indigo/stm32_business_card
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about to add border tracing, thick in the weeds

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This commit is contained in:
Brett Weiland 2025-06-05 00:38:21 -05:00
parent 058f49254b
commit 7b1f043ac5
40 changed files with 17344 additions and 2031 deletions
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border_tracing_test.xcf Normal file
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border_tracing_visualized.xcf Normal file
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kicad/stm32card/#auto_saved_files# Normal file
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/home/indigo/projects/stm32_buisnesscard/kicad/stm32card/_autosave-stm32card.kicad_sch

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kicad/stm32card/_autosave-stm32card.kicad_sch Normal file
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kicad/stm32card/fp-info-cache
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kicad/stm32card/stm32card.kicad_pcb
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(end 147.313909 101.383602)
@ -27319,14 +27125,6 @@
(net 25)
(uuid "9c15adfb-634b-4f9f-8528-95fae93cd7bb")
)
(segment
(start 155.935429 117.129306)
(end 152.037231 113.231108)
(width 0.25)
(layer "F.Cu")
(net 25)
(uuid "a1ea3df5-caef-4cdb-bbb4-a6979714ad9e")
)
(segment
(start 144.950255 97.524097)
(end 144.950255 99.019948)
@ -27343,6 +27141,30 @@
(net 25)
(uuid "ffc3663c-da28-4a55-b1bc-afc335d5f682")
)
(segment
(start 173.057466 103.335534)
(end 173.983466 103.335534)
(width 0.5)
(layer "F.Cu")
(net 32)
(uuid "6c5a2c69-59df-41de-b210-6ff05e64e890")
)
(segment
(start 160.210741 114.553476)
(end 161.839524 114.553476)
(width 0.5)
(layer "F.Cu")
(net 32)
(uuid "f66b29a8-9bf5-4a19-9467-70769b9fefe5")
)
(segment
(start 161.839524 114.553476)
(end 173.057466 103.335534)
(width 0.5)
(layer "F.Cu")
(net 32)
(uuid "f7a30b63-a13a-46e0-a975-668f2cdc7650")
)
(segment
(start 173.307466 107.535534)
(end 174.559466 107.535534)
@ -27551,6 +27373,62 @@
(net 61)
(uuid "e51d7840-1c29-4e07-9ca6-3371114c25e5")
)
(segment
(start 168.777878 121.284125)
(end 167.890878 121.284125)
(width 0.25)
(layer "F.Cu")
(net 62)
(uuid "44077575-7aad-41de-ae89-0f59025a8cf5")
)
(segment
(start 163.597716 116.453476)
(end 166.467365 119.323125)
(width 0.25)
(layer "F.Cu")
(net 62)
(uuid "4e463f7e-705d-43b0-b1ab-6d33dd1c782e")
)
(segment
(start 166.467365 119.323125)
(end 168.719835 119.323125)
(width 0.25)
(layer "F.Cu")
(net 62)
(uuid "501f9b39-96d3-4e25-8ba7-edaeb557a44f")
)
(segment
(start 168.719835 119.323125)
(end 169.23276 119.83605)
(width 0.25)
(layer "F.Cu")
(net 62)
(uuid "67fefe55-844e-44b6-b515-cbcaeb80d9b8")
)
(segment
(start 160.210741 116.453476)
(end 163.597716 116.453476)
(width 0.25)
(layer "F.Cu")
(net 62)
(uuid "abe754a0-9398-4ee7-a082-f662052efb4d")
)
(segment
(start 169.23276 120.829243)
(end 168.777878 121.284125)
(width 0.25)
(layer "F.Cu")
(net 62)
(uuid "ae7127cc-5e7f-402b-9890-fbb02a22c94a")
)
(segment
(start 169.23276 119.83605)
(end 169.23276 120.829243)
(width 0.25)
(layer "F.Cu")
(net 62)
(uuid "c432c430-a203-47b3-86e0-fc37d9167ea8")
)
(zone
(net 1)
(net_name "GND")

6
kicad/stm32card/stm32card.kicad_prl
View File

@ -1,7 +1,7 @@
{
"board": {
"active_layer": 0,
"active_layer_preset": "",
"active_layer": 2,
"active_layer_preset": "Back Layers",
"auto_track_width": true,
"hidden_netclasses": [],
"hidden_nets": [],
@ -48,7 +48,7 @@
"conflict_shadows",
"shapes"
],
"visible_layers": "00000000_00000000_00000008_82082227",
"visible_layers": "00000000_00000000_00000002_2200888c",
"zone_display_mode": 1
},
"git": {

8
kicad/stm32card/stm32card.kicad_sch
View File

@ -5020,22 +5020,22 @@
)
(global_label "backlight_fet"
(shape input)
(at 144.78 86.36 180)
(at 187.96 86.36 0)
(fields_autoplaced yes)
(effects
(font
(size 1.27 1.27)
)
(justify right)
(justify left)
)
(uuid "0ce962d2-d7a6-4fbc-ac94-cf81640d341f")
(property "Intersheetrefs" "${INTERSHEET_REFS}"
(at 129.5788 86.36 0)
(at 203.1612 86.36 0)
(effects
(font
(size 1.27 1.27)
)
(justify right)
(justify left)
(hide yes)
)
)

0
kicad/stm32card/~stm32card.kicad_pcb.lck → kicad/stm32card/~stm32card.kicad_sch.lck
View File

BIN
program/stm32f1_buisnesscard_v1/.cache/clangd/index/benchmark.c.B092177E9C4A6341.idx Normal file
View File

Binary file not shown.

BIN
program/stm32f1_buisnesscard_v1/.cache/clangd/index/benchmark.h.CE823391C550AEDF.idx
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Binary file not shown.

BIN
program/stm32f1_buisnesscard_v1/.cache/clangd/index/main.c.5BFC0518E8029882.idx
View File

Binary file not shown.

BIN
program/stm32f1_buisnesscard_v1/.cache/clangd/index/main.h.7DBE1B8EF99687F2.idx
View File

Binary file not shown.

BIN
program/stm32f1_buisnesscard_v1/.cache/clangd/index/mandelbrot.c.FB8DE522EAEACE98.idx
View File

Binary file not shown.

BIN
program/stm32f1_buisnesscard_v1/.cache/clangd/index/mandelbrot.h.0F4977C005A86044.idx
View File

Binary file not shown.

BIN
program/stm32f1_buisnesscard_v1/.cache/clangd/index/st7735.c.F7FEF3B96F2E873D.idx
View File

Binary file not shown.

448
program/stm32f1_buisnesscard_v1/.gdb_history
View File

@ -1,22 +1,197 @@
ptype render_mandelbrot:cam
ptype render_mandelbrot:camera
set draw_mandelbrot:cam
set draw_mandelbrot()::cam
draw_mandelbrot()::cam
print $3
ptype $3
bruh = 1
set bruh = 1
set $bruh = 1
set $bruh = {
min_r = -1,
min_i = -0.5,
max_r = 1,
max_i = 0.5
}
set $bruh = {1, 2, 3, 4}
bruh
print $bruh
set draw_mandelbrot()::cam
set draw_mandelbrot()::cam = $bruh
set draw_mandelbrot()::cam.min_r = -2
set draw_mandelbrot()::cam
set draw_mandelbrot()::cam = 0
set draw_mandelbrot()::cam = {0}
print $bruh
print draw_mandelbrot()::cam
print draw_mandelbrot()::cam
set draw_mandelbrot()::cam = {
min_r = 0,
min_i = 0,
max_r = 0,
max_i = 0
}
set draw_mandelbrot()::cam = {0, 0, 0, 0}
set draw_mandelbrot()::cam = {0, 1, 2, 3}
print draw_mandelbrot()::cam
bruh
print $bruh
set draw_mandelbrot()::cam = bruh
set draw_mandelbrot()::cam = $bruh
set bruh = draw_mandelbrot()::cam
set $bruh = draw_mandelbrot()::cam
print $bruh
set draw_mandelbrot()::cam = $bruh
bruh = { asdf = 0 }
set $bruh = { asdf = 0 }
set $bruh = { min_r = 0 }
print bruh
print bruh
print $bruh
bruh.min_r
set $bruh.min_r = 1
set #bruh
print $bruh
set draw_mandelbrot()::cam = $bruh
print draw_mandelbrot()::cam
print $bruh[0]
print $bruh
set $bruh = {$bruh, $bruh}
bruh
print $bruh
print $bruh[0]
print $bruh[1]
load
c
print wait_time
c
print draw_mandelbrot()::cam
set $asdf = {
min_r = -1,
min_i = -0.5,
max_r = 1,
max_i = 0.5
}
set $bruh = {
min_r = -1,
min_i = -0.5,
max_r = 1,
max_i = 0.5
}
set $bruh[0] = {
min_r = -1,
min_i = -0.5,
max_r = 1,
max_i = 0.5
}
set $bruh[0] = {
.min_r = -1,
min_i = -0.5,
max_r = 1,
max_i = 0.5
}
print camera
print *cam
print draw_mandelbrot()::cam
c
quit
d
c
quit
c
quit
c
load
c
print *cam
print draw_mandelbrot()::cam
x
c
print draw_mandelbrot()::cam
c
load
c
print draw_mandelbrot()::cam
printf "%1.20f\n" draw_mandelbrot()::cam
printf "%1.20f\n", draw_mandelbrot()::cam.min_i
printf "%1.20f\n", draw_mandelbrot()::cam.max_r
print 3
print -1.4054856689592869e-05
for
while
exit
quit
len(vi
len(vi)
quit
quit
quit
quit
command render_mandelbrot(0xff)
c
command render_mandelbrot(0xff)
c
quit
c
quit
quit
quit
print render_mandelbrot
quit
quit
c
set draw_mandelbrot()::view_mode 0
set draw_mandelbrot()::view_mode = 0
quit
quit
load
c
quit
load
context
c
print time
b st7735.c:104
c
quit
disp benchmark_stop:time
disp benchmark_stop.time
disp benchmark_stop()::time
quit
quit
quit
exit
quit
quit
quit
c
c
load
quit
c
load
load
exit
load
c
quit
b st7735.c:102
quit
quit
quit
load
c
b mandelbrot.c:102
c
c
c
c
c
c
c
load
c
quit
info b
b render_mandelbrot
c
c
c
c
c
c
@ -25,232 +200,57 @@ c
c
c
quit
load
c
print time
quit
load
c
print time
quit
load
c
quit
quit
reload
load
b render_mandelbrot
c
context
quit
quit
load
c
load
c
quit
load
c
quit
load
c
f 2
f 4
f 5
next
context
f 6
p sizeof(bool)
p sizeof(uint16_t)
context
f 5
print bruh
print &bruh
print &framebuffer
context
quit
load
c
f 2
f 3
context
quit
load
context
c
p time
c
quit
load
c
p time
quit
load
c
p time
quit
load
c
p time
quit
quit
c
load
c
p time
quit
c
load
c
quit
quit
load
c
b st7735.c:320
b ST7735.c:320
b ST7735.c:320
c
load
c
quit
b ST7735.c:320
load
c
c
c
p time
b ST7735_DrawImage
c
p x
p y
c
quit
load
c
p time
b ST7735_DrawImage
c
p x
x y
p y
p x
c
f 4
c
quit
load
c
load
b ST7735_DrawImage
c
p x
p y
c
p x
p y
p h
p y
p h
quit
load
c
p time
c
f 2
f 1
print &framebuffer
context
p &view_mode
print bottom_buffered
print &bottom_buffered
print &bottom_buffered
print &view_mode
f 0
print bruh
print &bruh
print &bruh
exit
load
quit
quit
c
quit
c
b render_mandelbrot
c
c
d
b 80012d0
b 0x80012d0
b *0x80012d0
c
next
next
quit
load
reg
p _sbss
p (uintptr_32)_sbss
p/x_sbss
p/x _sbss
p (void *)_sbss
p (void)_sbss
p (void *)&_sbss
p (void *)&__bss_start__
p sp
reg
c
p itme
p time
d
c
c
print uwTick
c
print tickstart
print wait
quit
load
c
c
c
quit
load
c
quit
quit
load
c
load
c
quit
load
c
quit
load
c
p time
c
quit
load
c
c
quit
load
c
quitr
quit
load
c
quit
c
load
c
c
load
c
p time
quit
load
c
p time
quit
c
p itme
p time
quit
load
c
p time
quit
c
qquit
quit
load
c
p itme
p time
c
quit
load
c
quit
load
c
p itme
p time
quit
load
quit
load
c
quit
quit
c
load
c
b 153
b mandelbrot.c:153
c
p colorscheme
quit
load
c
quit

12
program/stm32f1_buisnesscard_v1/Core/Inc/benchmark.h
View File

@ -2,14 +2,6 @@
#include <signal.h>
#include "main.h"
static float time __attribute__((used));
__attribute__((always_inline)) void static inline benchmark_start() {
TIM4->CNT = 0;
TIM4->CR1 |= TIM_CR1_CEN;
}
__attribute__((always_inline)) void static inline benchmark_stop() {
TIM4->CR1 ^= TIM_CR1_CEN;
time = (float)(TIM4->CNT + 1) * (TIM4->PSC + 1) / HAL_RCC_GetSysClockFreq();
__BKPT();
}
void benchmark_start();
void benchmark_stop();

9
program/stm32f1_buisnesscard_v1/Core/Inc/main.h
View File

@ -31,7 +31,6 @@ extern "C" {
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
/* USER CODE END Includes */
/* Exported types ------------------------------------------------------------*/
@ -59,6 +58,14 @@ void Error_Handler(void);
/* Private defines -----------------------------------------------------------*/
/* USER CODE BEGIN Private defines */
#define GPIO_BUTTON_REG GPIOB
#define BUTTON_UP GPIO_PIN_3
#define BUTTON_RIGHT GPIO_PIN_2
#define BUTTON_DOWN GPIO_PIN_0
#define BUTTON_LEFT GPIO_PIN_1
#define BUTTON_A GPIO_PIN_13
#define BUTTON_B GPIO_PIN_14
/* USER CODE END Private defines */

13
program/stm32f1_buisnesscard_v1/Core/Inc/mandelbrot.h
View File

@ -9,16 +9,3 @@ enum states {
};
void draw_mandelbrot(int key_pressed);
/** the interrupt handler should read the pin pressed, then translate it into one of these.
* Ensures that if we have to change pins, adjustments are easy.
*/
enum buttons {
KEYCODE_UP,
KEYCODE_RIGHT,
KEYCODE_DOWN,
KEYCODE_LEFT,
KEYCODE_A,
KEYCODE_B,
//we need to call the function once during boot
KEYCODE_NONE = 0xff
};

16
program/stm32f1_buisnesscard_v1/Core/Src/benchmark.c Normal file
View File

@ -0,0 +1,16 @@
#include <signal.h>
#include "main.h"
static float time __attribute__((used));
void benchmark_start() {
TIM4->CNT = 0;
TIM4->CR1 |= TIM_CR1_CEN;
}
void benchmark_stop() {
TIM4->CR1 ^= TIM_CR1_CEN;
time = (float)(TIM4->CNT + 1) * (TIM4->PSC + 1) / HAL_RCC_GetSysClockFreq();
BENCHMARK_CHECKTIME:
__NOP();
// __BKPT();
}

57
program/stm32f1_buisnesscard_v1/Core/Src/main.c
View File

@ -70,13 +70,6 @@ static void MX_TIM4_Init(void);
//when idling, vreg stop mode, low power mode stop
//when sleeping, vreg stop mode, low power mode standby (RTC alarm)
#define GPIO_UP GPIO_PIN_3
#define GPIO_RIGHT GPIO_PIN_1
#define GPIO_DOWN GPIO_PIN_0
#define GPIO_LEFT GPIO_PIN_2
#define GPIO_A GPIO_PIN_13
#define GPIO_B GPIO_PIN_14
#define GPIO_BUTTON_REG GPIOB
bool button_event;
@ -85,35 +78,12 @@ void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef* htim) {
button_event = false;
}
int button_pressed = KEYCODE_NONE;
int button_pressed = 0;
bool button_event;
void HAL_GPIO_EXTI_Callback(uint16_t pin) {
button_event = true;
//we can write "modules" that don't need to know the specific pins to know hwat button was pressed
//(idk why I felt I needed to do this)
switch(pin) {
case GPIO_UP:
button_pressed = KEYCODE_UP;
break;
case GPIO_RIGHT:
button_pressed = KEYCODE_RIGHT;
break;
case GPIO_DOWN:
button_pressed = KEYCODE_DOWN;
break;
case GPIO_LEFT:
button_pressed = KEYCODE_LEFT;
break;
case GPIO_A:
button_pressed = KEYCODE_A;
break;
case GPIO_B:
button_pressed = KEYCODE_B;
break;
default:
button_pressed = KEYCODE_NONE;
}
button_pressed = pin;
}
/* USER CODE END 0 */
@ -133,7 +103,7 @@ int main(void)
/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
HAL_Init();
/* USER CODE BEGIN Init */
/* USE CODE BEGIN Init */
/* USER CODE END Init */
@ -155,31 +125,22 @@ int main(void)
//ST7735_FillScreenFast(ST7735_MAGENTA);
//HAL_GPIO_EXTI_Callback(0xff);
benchmark_start();
draw_mandelbrot(button_pressed);
benchmark_stop();
BENCHMARK_INIT: //for benchmarking gdb script
HAL_SuspendTick();
HAL_PWR_EnterSLEEPMode(PWR_LOWPOWERREGULATOR_ON, PWR_SLEEPENTRY_WFI);
//HAL_SuspendTick();
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
/**
ST7735_sleep();
HAL_SuspendTick();
HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI);
**/
//we'll clean everything up later
while (1)
{
//later we'll impliment menu
if(button_event) {
button_event = false;
HAL_ResumeTick();
HAL_TIM_Base_Stop_IT(&htim2);
draw_mandelbrot(button_pressed);
HAL_TIM_Base_Stop_IT(&htim2);
HAL_SuspendTick();
__HAL_TIM_SET_COUNTER(&htim2, 0);
HAL_TIM_Base_Start_IT(&htim2);
@ -187,7 +148,7 @@ int main(void)
HAL_ResumeTick();
}
else { //zzzzz
ST7735_sleep();
//ST7735_sleep();
HAL_SuspendTick();
HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI);
SystemClock_Config();

140
program/stm32f1_buisnesscard_v1/Core/Src/mandelbrot.c
View File

@ -1,7 +1,9 @@
#include <stdint.h>
#include <string.h>
#include "mandelbrot.h"
#include "st7735.h"
#include "benchmark.h"
#include "main.h"
#define RES_X 160
#define RES_Y 80
@ -10,7 +12,7 @@
#define STEP_SIZE .1
#define ZOOM_SIZE .1
#define DECIMAL_LOC 28 //TODO see if you can optimize without DSP module
#define DECIMAL_LOC 28
#define DOUBLE_SCALER (1 << DECIMAL_LOC)
#define DOUBLE_TO_FIXED(val) (int32_t)((val) * DOUBLE_SCALER)
#define FIXED_MULTIPLY(x,y) ((((uint64_t)(x))*(y)) >> DECIMAL_LOC)
@ -31,6 +33,14 @@
#define CAM_DEF_MIN_R -1
#define CAM_DEF_MAX_R 1
//set controls
#define CAM_MOVE_UP BUTTON_UP
#define CAM_MOVE_RIGHT BUTTON_RIGHT
#define CAM_MOVE_DOWN BUTTON_DOWN
#define CAM_MOVE_LEFT BUTTON_LEFT
#define CAM_ZOOM_IN BUTTON_A
#define CAM_ZOOM_OUT BUTTON_B
struct camera {
double min_r, min_i, max_r, max_i;
};
@ -75,18 +85,32 @@ void cam_zoom(struct camera *cam, double zoom) {
cam->max_r -= r_scale;
}
//TODO look into border tracing; this is too slow
void render_mandelbrot(uint16_t *framebuffer, uint16_t *colorscheme, struct camera cam, bool half) {
//TODO look into border tracing; this is too slow. Change name
//
void render_mandelbrot(uint16_t *framebuffer, uint16_t *colorscheme, struct camera cam, int x0, int y0, int w, int h) {
int32_t scale_i = DOUBLE_TO_FIXED((cam.max_i - cam.min_i) / (double)RES_Y);
int32_t scale_r = DOUBLE_TO_FIXED((cam.max_r - cam.min_r) / (double)RES_X);
int32_t c_i = DOUBLE_TO_FIXED(half ? ((cam.max_i - cam.min_i) / 2) + cam.min_i : (cam.max_i));
int32_t c_r, z_i, z_r, zn_r;
int32_t z_r_2, z_i_2;
int32_t c_i = DOUBLE_TO_FIXED((((cam.max_i - cam.min_i) * (RES_Y - y0)) / RES_Y) + cam.min_i);
int32_t c_r0 = DOUBLE_TO_FIXED((((cam.max_r - cam.min_r) * x0) / RES_X) + cam.min_r);
int32_t c_r, z_i, z_r, zn_r, z_r_2, z_i_2;
size_t fb_index = 0;
int i;
for(int y = 0; y < (RES_Y/2); y++) {
c_r = DOUBLE_TO_FIXED(cam.min_r);
for(int x = 0; x < RES_X; x++) {
/**
bool bruh[RES_X * (RES_Y/2)];
for(size_t i = 0; i < sizeof(bruh) / sizeof(bruh[0]); i++) {
bruh[i] = i % 1;
}
for(size_t i = sizeof(bruh) / sizeof(bruh[0]); i > 0; i--) {
framebuffer[i] = bruh[i];
}
**/
for(int y = y0; y < y0 + h; y++) {
c_r = c_r0;
for(int x = x0; x < x0 + w; x++) {
z_i = 0;
z_r = 0;
for(i = 0; i < ITERS; i++) {
@ -95,7 +119,6 @@ void render_mandelbrot(uint16_t *framebuffer, uint16_t *colorscheme, struct came
zn_r = z_r_2 - z_i_2 + c_r;
//z_i = abs(FIXED_MULTIPLY((DOUBLE_TO_FIXED(2)), (FIXED_MULTIPLY(z_r, z_i)))) + c_i;
z_i = (FIXED_MULTIPLY(z_r, z_i) << 1) + c_i;
z_r = zn_r;
@ -103,7 +126,6 @@ void render_mandelbrot(uint16_t *framebuffer, uint16_t *colorscheme, struct came
if(z_i_2 + z_r_2 > INFTY_SQR_FIXED) break;
}
framebuffer[fb_index++] = colorscheme[i];
// ST7735_DrawPixel(x, y, colorscheme[i]);
c_r += scale_r;
}
c_i -= scale_i;
@ -112,49 +134,97 @@ void render_mandelbrot(uint16_t *framebuffer, uint16_t *colorscheme, struct came
#define FB_SIZE_X RES_X
#define FB_SIZE_Y RES_Y/2
//TODO rename
void draw_mandelbrot(int key_pressed) {
uint16_t framebuffer[(RES_X * RES_Y) / 2];
static uint16_t framebuffer[FB_SIZE_X * FB_SIZE_Y];
uint16_t columnbuffer[8*RES_Y];
static bool bottom_buffered = true;
//program flow is awful atm becuase I was planning something different; will be improved soon.
static struct camera cam = {
.min_r = CAM_DEF_MIN_R,
.max_r = CAM_DEF_MAX_R,
.min_i = ((double)RES_Y / RES_X) * CAM_DEF_MIN_R,
.max_i = ((double)RES_Y / RES_X) * CAM_DEF_MAX_R,
};
static int view_mode = VIEW_UNINIT;
static uint16_t colorscheme[ITERS];
//yes, I know the following is disgusting. Before I clean it, I just wanna get the general idea out,
//it's more efficient in that order
//TODO once you get your idea ironed out, clean the code and improve the flow
benchmark_start();
if(view_mode == VIEW_UNINIT) {
view_mode = VIEW_MANDREL;
init_colorscheme_mandrel(colorscheme);
render_mandelbrot(framebuffer, colorscheme, cam, 0, 0, RES_X, RES_Y/2);
ST7735_DrawImage(0, 0, RES_X, (RES_Y / 2), framebuffer);
render_mandelbrot(framebuffer, colorscheme, cam, 0, RES_Y/2, RES_X, RES_Y/2);
ST7735_DrawImage(0, (RES_Y / 2), RES_X, (RES_Y / 2), framebuffer);
bottom_buffered = true;
}
else {
const int y_offset = STEP_SIZE * RES_Y;
const int x_offset = STEP_SIZE * RES_X;
const size_t bottom_space = RES_X * ((RES_Y/2) - y_offset) * sizeof(uint16_t);
uint16_t top_line = bottom_buffered ? (RES_Y/2) : 0;
switch(key_pressed) {
case BUTTON_UP:
cam_shift(&cam, 0, STEP_SIZE);
memmove(framebuffer + (RES_X * y_offset), framebuffer, bottom_space);
render_mandelbrot(framebuffer, colorscheme, cam, 0, top_line, RES_X, y_offset);
break;
case BUTTON_DOWN:
uint16_t bottom_line = (bottom_buffered ? RES_Y : (RES_Y/2)) - y_offset;
cam_shift(&cam, 0, -STEP_SIZE);
memmove(framebuffer, framebuffer + (RES_X * y_offset), bottom_space);
render_mandelbrot(framebuffer + (RES_X*((RES_Y/2)-y_offset)), colorscheme, cam, 0, bottom_line, RES_X, y_offset);
break;
case BUTTON_RIGHT:
cam_shift(&cam, STEP_SIZE, 0);
render_mandelbrot(columnbuffer, colorscheme, cam, RES_X - x_offset, top_line, x_offset, RES_Y/2);
for(uint16_t y = 0; y < RES_Y/2; y++) {
memmove(framebuffer + (RES_X * y), framebuffer + (RES_X * y) + x_offset, (RES_X - x_offset) * sizeof(*framebuffer));
memmove(framebuffer + (RES_X * y) + (RES_X - x_offset), columnbuffer + (x_offset * y), x_offset * sizeof(*framebuffer));
}
break;
case BUTTON_LEFT:
cam_shift(&cam, -STEP_SIZE, 0);
render_mandelbrot(columnbuffer, colorscheme, cam, 0, top_line, x_offset, RES_Y/2);
for(uint16_t y = 0; y < RES_Y/2; y++) {
memmove(framebuffer + (RES_X * y) + x_offset, framebuffer + (RES_X * y), (RES_X - x_offset) * sizeof(*framebuffer));
memmove(framebuffer + (RES_X * y), columnbuffer + (x_offset * y), x_offset * sizeof(*framebuffer));
}
break;
case BUTTON_A:
cam_zoom(&cam, ZOOM_SIZE);
render_mandelbrot(framebuffer, colorscheme, cam, 0, top_line, RES_X, RES_Y/2);
break;
case BUTTON_B:
cam_zoom(&cam, -ZOOM_SIZE);
render_mandelbrot(framebuffer, colorscheme, cam, 0, top_line, RES_X, RES_Y/2);
break;
default:
render_mandelbrot(framebuffer, colorscheme, cam, 0, top_line, RES_X, RES_Y/2);
}
ST7735_DrawImage(0, top_line, RES_X, (RES_Y/2), framebuffer);
switch(key_pressed) {
case KEYCODE_UP:
cam_shift(&cam, 0, STEP_SIZE);
break;
case KEYCODE_DOWN:
cam_shift(&cam, 0, -STEP_SIZE);
break;
case KEYCODE_RIGHT:
cam_shift(&cam, -STEP_SIZE, 0);
break;
case KEYCODE_LEFT:
cam_shift(&cam, STEP_SIZE, 0);
break;
case KEYCODE_A:
cam_zoom(&cam, ZOOM_SIZE);
break;
case KEYCODE_B:
cam_zoom(&cam, -ZOOM_SIZE);
break;
default:
bottom_buffered = !bottom_buffered;
top_line = bottom_buffered ? (RES_Y/2) : 0;
render_mandelbrot(framebuffer, colorscheme, cam, 0, top_line, RES_X, RES_Y/2);
ST7735_DrawImage(0, top_line, RES_X, (RES_Y/2), framebuffer);
}
render_mandelbrot(framebuffer, colorscheme, cam, false);
benchmark_stop();
/**
render_mandelbrot(framebuffer, colorscheme, cam, false, key_pressed);
ST7735_DrawImage(0, 0, ST7735_WIDTH, (ST7735_HEIGHT / 2), framebuffer);
render_mandelbrot(framebuffer, colorscheme, cam, true);
render_mandelbrot(framebuffer, colorscheme, cam, true, key_pressed);
ST7735_DrawImage(0, (ST7735_HEIGHT / 2), ST7735_WIDTH, (ST7735_HEIGHT / 2), framebuffer);
**/
// ST7735_DrawImage(0, 0, ST7735_WIDTH - 1, ST7735_HEIGHT - 1, (uint16_t *)0x80000000);
}

27
program/stm32f1_buisnesscard_v1/Makefile
View File

@ -1,5 +1,5 @@
##########################################################################################################################
# File automatically-generated by tool: [projectgenerator] version: [4.5.0-RC5] date: [Sat May 10 22:32:07 CDT 2025]
# File automatically-generated by tool: [projectgenerator] version: [4.5.0-RC5] date: [Tue May 13 23:21:12 CDT 2025]
##########################################################################################################################
# ------------------------------------------------
@ -37,7 +37,14 @@ BUILD_DIR = build
# C sources
C_SOURCES = \
Core/Src/main.c \
Core/Src/benchmark.c \
Core/Src/stm32f1xx_it.c \
Core/Src/system_stm32f1xx.c \
Core/Src/sysmem.c \
Core/Src/syscalls.c \
Core/Src/st7735.c \
Core/Src/fonts.c \
Core/Src/mandelbrot.c \
Core/Src/stm32f1xx_hal_msp.c \
Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_gpio_ex.c \
Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_spi.c \
@ -51,14 +58,8 @@ Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_pwr.c \
Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash.c \
Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash_ex.c \
Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_exti.c \
Core/Src/system_stm32f1xx.c \
Core/Src/sysmem.c \
Core/Src/syscalls.c \
Core/Src/st7735.c \
Core/Src/fonts.c \
Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_tim.c \
Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_tim_ex.c \
Core/Src/mandelbrot.c
Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_tim_ex.c
# ASM sources
ASM_SOURCES = \
@ -109,8 +110,8 @@ AS_DEFS =
# C defines
C_DEFS = \
-DUSE_HAL_DRIVER \
-DSTM32F103xB
-DSTM32F103xB \
-DUSE_HAL_DRIVER
# AS includes
@ -120,9 +121,9 @@ AS_INCLUDES =
C_INCLUDES = \
-ICore/Inc \
-IDrivers/STM32F1xx_HAL_Driver/Inc \
-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy \
-IDrivers/CMSIS/Device/ST/STM32F1xx/Include \
-IDrivers/CMSIS/Include
-IDrivers/CMSIS/Include \
-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy
# compile gcc flags
@ -148,7 +149,7 @@ LDSCRIPT = stm32f103c8tx_flash.ld
# libraries
LIBS = -lc -lm -lnosys
LIBDIR =
LDFLAGS = $(MCU) -specs=nano.specs -T$(LDSCRIPT) $(LIBDIR) $(LIBS) -Wl,-Map=$(BUILD_DIR)/$(TARGET).map,--cref -Wl,--gc-sections
LDFLAGS = $(MCU) -specs=nano.specs -T$(LDSCRIPT) $(LIBDIR) $(LIBS) -Wl,-Map=$(BUILD_DIR)/$(TARGET).map,--cref -Wl,--gc-sections -Xlinker --print-memory-usage
# default action: build all
all: $(BUILD_DIR)/$(TARGET).elf $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).bin

236
program/stm32f1_buisnesscard_v1/backup Normal file
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@ -0,0 +1,236 @@
#include <stdint.h>
#include <string.h>
#include "mandelbrot.h"
#include "st7735.h"
#include "benchmark.h"
#include "main.h"
#define RES_X 160
#define RES_Y 80
#define DEFAULT_CENTER_X 0
#define DEFAULT_CENTER_Y 0
#define STEP_SIZE .1
#define ZOOM_SIZE .1
#define DECIMAL_LOC 28
#define DOUBLE_SCALER (1 << DECIMAL_LOC)
#define DOUBLE_TO_FIXED(val) (int32_t)((val) * DOUBLE_SCALER)
#define FIXED_MULTIPLY(x,y) ((((uint64_t)(x))*(y)) >> DECIMAL_LOC)
#define FIXED_TO_DOUBLE(val) ((val) / (double)DOUBLE_SCALER)
#define INFTY 2
#define INFTY_SQR INFTY * INFTY
#define ITERS 255
#define INFTY_SQR_FIXED DOUBLE_TO_FIXED(INFTY_SQR)
//TODO move to some hardware.h or somethin
//channel order: B, G, R
#define R_BITS 5
#define G_BITS 6
#define B_BITS 5
//imaginary axis set automatically
#define CAM_DEF_MIN_R -1
#define CAM_DEF_MAX_R 1
//set controls
#define CAM_MOVE_UP BUTTON_UP
#define CAM_MOVE_RIGHT BUTTON_RIGHT
#define CAM_MOVE_DOWN BUTTON_DOWN
#define CAM_MOVE_LEFT BUTTON_LEFT
#define CAM_ZOOM_IN BUTTON_A
#define CAM_ZOOM_OUT BUTTON_B
struct camera {
double min_r, min_i, max_r, max_i;
};
enum VIEW_MODES { VIEW_UNINIT, VIEW_MANDREL, VIEW_SHIP };
void init_colorscheme_mandrel(uint16_t *scheme) {
uint16_t *tc = scheme;
for(unsigned int i = 0; i < ITERS; i++) {
if((i == 0) || (i == ITERS)) *tc = 0;
else if(i < 128) *tc = (((((i - 64) << 2)+0x1f) & 0x1f) | (((((i - 128) << 1)+0x1f) & 0x1f) << (5+6)));
else *tc = (-2*(i - 128)+0x1f) & 0xff;
*tc = (*tc << 8) | (*tc >> 8); //convert to little endian
tc++;
}
}
void init_colorscheme_ship(uint16_t *scheme) {
uint16_t *tc = scheme;
for(unsigned int i = 0; i < ITERS; i++) {
if((i == 0) || (i == ITERS)) *tc = 0;
else *tc = (((i - (128)) << 1)+0x1f) << (5+6);
tc++;
}
}
void cam_shift(struct camera *cam, double step_r, double step_i) {
double i_offset = (cam->max_i - cam->min_i) * step_i;
double r_offset = (cam->max_r - cam->min_r) * step_r;
cam->min_i += i_offset;
cam->max_i += i_offset;
cam->min_r += r_offset;
cam->max_r += r_offset;
}
void cam_zoom(struct camera *cam, double zoom) {
double i_scale = (cam->max_i - cam->min_i) * zoom;
double r_scale = (cam->max_r - cam->min_r) * zoom;
cam->min_i += i_scale;
cam->max_i -= i_scale;
cam->min_r += r_scale;
cam->max_r -= r_scale;
}
//TODO look into border tracing; this is too slow. Change name
//
void render_mandelbrot(uint16_t *framebuffer, uint16_t *colorscheme, struct camera cam, int x0, int y0, int w, int h) {
int32_t scale_i = DOUBLE_TO_FIXED((cam.max_i - cam.min_i) / (double)RES_Y);
int32_t scale_r = DOUBLE_TO_FIXED((cam.max_r - cam.min_r) / (double)RES_X);
int32_t c_i = DOUBLE_TO_FIXED((((cam.max_i - cam.min_i) * (RES_Y - y0)) / RES_Y) + cam.min_i);
int32_t c_r0 = DOUBLE_TO_FIXED((((cam.max_r - cam.min_r) * x0) / RES_X) + cam.min_r);
int32_t c_r, z_i, z_r, zn_r, z_r_2, z_i_2;
size_t fb_index = 0;
int i;
//for(;;);
for(int y = y0; y < y0 + h; y++) {
c_r = c_r0;
for(int x = x0; x < x0 + w; x++) {
z_i = 0;
z_r = 0;
for(i = 0; i < ITERS; i++) {
z_r_2 = FIXED_MULTIPLY(z_r, z_r);
z_i_2 = FIXED_MULTIPLY(z_i, z_i);
zn_r = z_r_2 - z_i_2 + c_r;
//z_i = abs(FIXED_MULTIPLY((DOUBLE_TO_FIXED(2)), (FIXED_MULTIPLY(z_r, z_i)))) + c_i;
z_i = (FIXED_MULTIPLY(z_r, z_i) << 1) + c_i;
z_r = zn_r;
if(z_i_2 + z_r_2 > INFTY_SQR_FIXED) break;
}
framebuffer[fb_index++] = colorscheme[i];
c_r += scale_r;
}
c_i -= scale_i;
}
}
#define FB_SIZE_X RES_X
#define FB_SIZE_Y RES_Y/2
//TODO rename
void draw_mandelbrot(int key_pressed) {
static uint16_t framebuffer[FB_SIZE_X * FB_SIZE_Y];
uint16_t columnbuffer[8*RES_Y];
static bool bottom_buffered = true;
//program flow is awful atm becuase I was planning something different; will be improved soon.
static struct camera cam = {
.min_r = CAM_DEF_MIN_R,
.max_r = CAM_DEF_MAX_R,
.min_i = ((double)RES_Y / RES_X) * CAM_DEF_MIN_R,
.max_i = ((double)RES_Y / RES_X) * CAM_DEF_MAX_R,
};
static int view_mode = VIEW_UNINIT;
static uint16_t colorscheme[ITERS];
//we could get rid of this and do some awful bitbashing lol
//but for readability, we shant
//TODO camera moves l/r more then u/d for some reason
/**
if(key_pressed & CAM_MOVE_UP) cam_shift(&cam, 0, STEP_SIZE);
if(key_pressed & CAM_MOVE_DOWN) cam_shift(&cam, 0, -STEP_SIZE);
if(key_pressed & CAM_MOVE_RIGHT) cam_shift(&cam, -STEP_SIZE, 0);
if(key_pressed & CAM_MOVE_LEFT) cam_shift(&cam, STEP_SIZE, 0);
if(key_pressed & CAM_ZOOM_IN) cam_zoom(&cam, ZOOM_SIZE);
if(key_pressed & CAM_ZOOM_OUT) cam_zoom(&cam, -ZOOM_SIZE);
**/
//yes, I know the following is disgusting. Before I clean it, I just wanna get the general idea out,
//it's more efficient in that order
//TODO once you get your idea ironed out, clean the code and improve the flow
benchmark_start();
if(view_mode == VIEW_UNINIT) {
view_mode = VIEW_MANDREL;
init_colorscheme_mandrel(colorscheme);
render_mandelbrot(framebuffer, colorscheme, cam, 0, 0, RES_X, RES_Y/2);
ST7735_DrawImage(0, 0, RES_X, (RES_Y / 2), framebuffer);
render_mandelbrot(framebuffer, colorscheme, cam, 0, RES_Y/2, RES_X, RES_Y/2);
ST7735_DrawImage(0, (RES_Y / 2), RES_X, (RES_Y / 2), framebuffer);
bottom_buffered = true;
}
else {
const int y_offset = STEP_SIZE * RES_Y;
const int x_offset = STEP_SIZE * RES_X;
const size_t bottom_space = RES_X * ((RES_Y/2) - y_offset) * sizeof(uint16_t);
uint16_t top_line = bottom_buffered ? (RES_Y/2) : 0;
switch(key_pressed) {
case BUTTON_UP:
cam_shift(&cam, 0, STEP_SIZE);
memmove(framebuffer + (RES_X * y_offset), framebuffer, bottom_space);
render_mandelbrot(framebuffer, colorscheme, cam, 0, top_line, RES_X, y_offset);
break;
case BUTTON_DOWN:
uint16_t bottom_line = (bottom_buffered ? RES_Y : (RES_Y/2)) - y_offset;
cam_shift(&cam, 0, -STEP_SIZE);
memmove(framebuffer, framebuffer + (RES_X * y_offset), bottom_space);
render_mandelbrot(framebuffer + (RES_X*((RES_Y/2)-y_offset)), colorscheme, cam, 0, bottom_line, RES_X, y_offset);
break;
case BUTTON_RIGHT:
cam_shift(&cam, STEP_SIZE, 0);
render_mandelbrot(columnbuffer, colorscheme, cam, RES_X - x_offset, top_line, x_offset, RES_Y/2);
for(uint16_t y = 0; y < RES_Y/2; y++) {
memmove(framebuffer + (RES_X * y), framebuffer + (RES_X * y) + x_offset, (RES_X - x_offset) * sizeof(*framebuffer));
memmove(framebuffer + (RES_X * y) + (RES_X - x_offset), columnbuffer + (x_offset * y), x_offset * sizeof(*framebuffer));
}
break;
case BUTTON_LEFT:
cam_shift(&cam, -STEP_SIZE, 0);
render_mandelbrot(columnbuffer, colorscheme, cam, 0, top_line, x_offset, RES_Y/2);
for(uint16_t y = 0; y < RES_Y/2; y++) {
memmove(framebuffer + (RES_X * y) + x_offset, framebuffer + (RES_X * y), (RES_X - x_offset) * sizeof(*framebuffer));
memmove(framebuffer + (RES_X * y), columnbuffer + (x_offset * y), x_offset * sizeof(*framebuffer));
}
break;
case BUTTON_A:
cam_zoom(&cam, ZOOM_SIZE);
render_mandelbrot(framebuffer, colorscheme, cam, 0, top_line, RES_X, RES_Y/2);
break;
case BUTTON_B:
cam_zoom(&cam, -ZOOM_SIZE);
render_mandelbrot(framebuffer, colorscheme, cam, 0, top_line, RES_X, RES_Y/2);
break;
default:
render_mandelbrot(framebuffer, colorscheme, cam, 0, top_line, RES_X, RES_Y/2);
}
ST7735_DrawImage(0, top_line, RES_X, (RES_Y/2), framebuffer);
bottom_buffered = !bottom_buffered;
top_line = bottom_buffered ? (RES_Y/2) : 0;
render_mandelbrot(framebuffer, colorscheme, cam, 0, top_line, RES_X, RES_Y/2);
ST7735_DrawImage(0, top_line, RES_X, (RES_Y/2), framebuffer);
}
benchmark_stop();
/**
render_mandelbrot(framebuffer, colorscheme, cam, false, key_pressed);
ST7735_DrawImage(0, 0, ST7735_WIDTH, (ST7735_HEIGHT / 2), framebuffer);
render_mandelbrot(framebuffer, colorscheme, cam, true, key_pressed);
ST7735_DrawImage(0, (ST7735_HEIGHT / 2), ST7735_WIDTH, (ST7735_HEIGHT / 2), framebuffer);
**/
// ST7735_DrawImage(0, 0, ST7735_WIDTH - 1, ST7735_HEIGHT - 1, (uint16_t *)0x80000000);
}

52
program/stm32f1_buisnesscard_v1/benchmark.gdb Normal file
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@ -0,0 +1,52 @@
file build/stm32f1_buisnesscard_v1.elf
target extended localhost:3333
set logging file benchmark.txt
set logging enabled on
set $camtype = draw_mandelbrot()::cam
set $views = {$camtype, $camtype, $camtype, $camtype, $camtype}
# default view; lots of black
set $views[0].min_r = -1
set $views[0].min_i = -.5
set $views[0].max_r = 1
set $views[0].max_i = .5
# noise and complex curves
set $views[1].min_r = 3.1577176569116192
set $views[1].min_i = 0.22066305108751161
set $views[1].max_r = 3.1577882779434727
set $views[1].max_i = 0.22069836160343248
#noise at high iter acount
set $views[2].min_r = 3.1576023402469482
set $views[2].min_i = 0.22069267606110915
set $views[2].max_r = 3.1576029655564359
set $views[2].max_i = 0.22069298871585336
# sub mandelbrot asscrack
set $views[3].min_r = 1.5143340717923357
set $views[3].min_i = -1.4054856689592869e-05
set $views[3].max_r = 1.5143697529846534
set $views[3].max_i = 3.7857394692316253e-06
#set gdb-workaround-stop-event 1
break main:BENCHMARK_INIT
commands
set $vi = 0
while($vi < 4)
print $views[$vi]
set draw_mandelbrot()::cam = $views[$vi]
set draw_mandelbrot()::view_mode = 0
call draw_mandelbrot(0xff)
print benchmark_stop()::time
set $vi = $vi + 1
end
end
load
continue
quit

531
program/stm32f1_buisnesscard_v1/benchmark.txt Normal file
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@ -0,0 +1,531 @@
Breakpoint 1 at 0x8000e9a: file Core/Src/main.c, line 129.
Note: automatically using hardware breakpoints for read-only addresses.
Loading section .isr_vector, size 0x10c lma 0x8000000
Loading section .text, size 0x38c0 lma 0x8000110
Loading section .rodata, size 0x9c lma 0x80039d0
Loading section .init_array, size 0x4 lma 0x8003a6c
Loading section .fini_array, size 0x4 lma 0x8003a70
Loading section .data, size 0x30 lma 0x8003a74
Start address 0x080038e4, load size 15008
Transfer rate: 15 KB/sec, 2501 bytes/write.
Breakpoint 1, main () at Core/Src/main.c:130
130 HAL_SuspendTick();
$1 = {min_r = -1, min_i = -0.5, max_r = 1, max_i = 0.5}
$2 = {min_r = 3.1577176569116192, min_i = 0.22066305108751161, max_r = 3.1577882779434727, max_i = 0.22069836160343248}
$3 = {min_r = 3.1576023402469482, min_i = 0.22069267606110915, max_r = 3.1576029655564359, max_i = 0.22069298871585336}
$4 = {min_r = 1.5143340717923357, min_i = -1.4054856689592869e-05, max_r = 1.5143697529846534, max_i = 3.7857394692316253e-06}
A debugging session is active.
Inferior 1 [Remote target] will be detached.
Quit anyway? (y or n) [answered Y; input not from terminal]
[Inferior 1 (Remote target) detached]
Breakpoint 1 at 0x8000e9a: file Core/Src/main.c, line 129.
Note: automatically using hardware breakpoints for read-only addresses.
Loading section .isr_vector, size 0x10c lma 0x8000000
Loading section .text, size 0x38c0 lma 0x8000110
Loading section .rodata, size 0x9c lma 0x80039d0
Loading section .init_array, size 0x4 lma 0x8003a6c
Loading section .fini_array, size 0x4 lma 0x8003a70
Loading section .data, size 0x30 lma 0x8003a74
Start address 0x080038e4, load size 15008
Transfer rate: 15 KB/sec, 2501 bytes/write.
Breakpoint 1, main () at Core/Src/main.c:130
130 HAL_SuspendTick();
$1 = {min_r = -1, min_i = -0.5, max_r = 1, max_i = 0.5}
$2 = 1.31749451
$3 = {min_r = 3.1577176569116192, min_i = 0.22066305108751161, max_r = 3.1577882779434727, max_i = 0.22069836160343248}
$4 = 0.183570281
$5 = {min_r = 3.1576023402469482, min_i = 0.22069267606110915, max_r = 3.1576029655564359, max_i = 0.22069298871585336}
$6 = 0.217522398
$7 = {min_r = 1.5143340717923357, min_i = -1.4054856689592869e-05, max_r = 1.5143697529846534, max_i = 3.7857394692316253e-06}
$8 = 0.761290252
A debugging session is active.
Inferior 1 [Remote target] will be detached.
Quit anyway? (y or n) [answered Y; input not from terminal]
[Inferior 1 (Remote target) detached]
Breakpoint 1 at 0x8000e9a: file Core/Src/main.c, line 129.
Note: automatically using hardware breakpoints for read-only addresses.
Loading section .isr_vector, size 0x10c lma 0x8000000
Loading section .text, size 0x38c0 lma 0x8000110
Loading section .rodata, size 0x9c lma 0x80039d0
Loading section .init_array, size 0x4 lma 0x8003a6c
Loading section .fini_array, size 0x4 lma 0x8003a70
Loading section .data, size 0x30 lma 0x8003a74
Start address 0x080038e4, load size 15008
Transfer rate: 15 KB/sec, 2501 bytes/write.
Breakpoint 1, main () at Core/Src/main.c:130
130 HAL_SuspendTick();
$1 = {min_r = -1, min_i = -0.5, max_r = 1, max_i = 0.5}
$2 = 1.31749451
$3 = {min_r = 3.1577176569116192, min_i = 0.22066305108751161, max_r = 3.1577882779434727, max_i = 0.22069836160343248}
$4 = 0.183570281
$5 = {min_r = 3.1576023402469482, min_i = 0.22069267606110915, max_r = 3.1576029655564359, max_i = 0.22069298871585336}
$6 = 0.217522398
$7 = {min_r = 1.5143340717923357, min_i = -1.4054856689592869e-05, max_r = 1.5143697529846534, max_i = 3.7857394692316253e-06}
$8 = 0.761290252
A debugging session is active.
Inferior 1 [Remote target] will be detached.
Quit anyway? (y or n) [answered Y; input not from terminal]
[Inferior 1 (Remote target) detached]
Breakpoint 1 at 0x8000e9a: file Core/Src/main.c, line 129.
Note: automatically using hardware breakpoints for read-only addresses.
Loading section .isr_vector, size 0x10c lma 0x8000000
Loading section .text, size 0x38c0 lma 0x8000110
Loading section .rodata, size 0x9c lma 0x80039d0
Loading section .init_array, size 0x4 lma 0x8003a6c
Loading section .fini_array, size 0x4 lma 0x8003a70
Loading section .data, size 0x30 lma 0x8003a74
Start address 0x080038e4, load size 15008
Transfer rate: 15 KB/sec, 2501 bytes/write.
Breakpoint 1, main () at Core/Src/main.c:130
130 HAL_SuspendTick();
$1 = {min_r = -1, min_i = -0.5, max_r = 1, max_i = 0.5}
$2 = 1.31749451
$3 = {min_r = 3.1577176569116192, min_i = 0.22066305108751161, max_r = 3.1577882779434727, max_i = 0.22069836160343248}
$4 = 0.183570281
$5 = {min_r = 3.1576023402469482, min_i = 0.22069267606110915, max_r = 3.1576029655564359, max_i = 0.22069298871585336}
$6 = 0.217522398
$7 = {min_r = 1.5143340717923357, min_i = -1.4054856689592869e-05, max_r = 1.5143697529846534, max_i = 3.7857394692316253e-06}
$8 = 0.761290252
A debugging session is active.
Inferior 1 [Remote target] will be detached.
Quit anyway? (y or n) [answered Y; input not from terminal]
[Inferior 1 (Remote target) detached]
Breakpoint 1 at 0x8000e9a: file Core/Src/main.c, line 129.
Note: automatically using hardware breakpoints for read-only addresses.
Loading section .isr_vector, size 0x10c lma 0x8000000
Loading section .text, size 0x38c0 lma 0x8000110
Loading section .rodata, size 0x9c lma 0x80039d0
Loading section .init_array, size 0x4 lma 0x8003a6c
Loading section .fini_array, size 0x4 lma 0x8003a70
Loading section .data, size 0x30 lma 0x8003a74
Start address 0x080038e4, load size 15008
Transfer rate: 15 KB/sec, 2501 bytes/write.
Breakpoint 1, main () at Core/Src/main.c:130
130 HAL_SuspendTick();
$1 = {min_r = -1, min_i = -0.5, max_r = 1, max_i = 0.5}
$2 = 1.31749451
$3 = {min_r = 3.1577176569116192, min_i = 0.22066305108751161, max_r = 3.1577882779434727, max_i = 0.22069836160343248}
$4 = 0.183570281
$5 = {min_r = 3.1576023402469482, min_i = 0.22069267606110915, max_r = 3.1576029655564359, max_i = 0.22069298871585336}
$6 = 0.217522398
$7 = {min_r = 1.5143340717923357, min_i = -1.4054856689592869e-05, max_r = 1.5143697529846534, max_i = 3.7857394692316253e-06}
$8 = 0.761290252
A debugging session is active.
Inferior 1 [Remote target] will be detached.
Quit anyway? (y or n) [answered Y; input not from terminal]
[Inferior 1 (Remote target) detached]
Breakpoint 1 at 0x8000e9a: file Core/Src/main.c, line 129.
Note: automatically using hardware breakpoints for read-only addresses.
benchmark.gdb:49: Error in sourced command file:
Error erasing flash with vFlashErase packet
------- tip of the day (disable with set show-tips off) -------
The set show-flags on setting will display CPU flags register in the regs context panel
LEGEND: STACK | HEAP | CODE | DATA | WX | RODATA
───────────────[ REGISTERS / show-flags off / show-compact-regs off ]───────────────
R0 0
R1 0x42420000
R2 0x12c0c0
R3 0x4b03
R4 0
R5 0x40021000
R6 0
R7 0x80000000
R8 0xffff
R9 0x1000
R10 0x20000054
R11 0x77bdd31d
R12 0xf8ff
SP 0x20005000
LR 0xffffffff
PC 0x80038e4
──────────────────[ DISASM / armcm / thumb mode / set emulate on ]──────────────────
► 0x80038e4 <Reset_Handler> movs r0, r0
0x80038e6 <Reset_Handler+2> movs r0, r0
0x80038e8 <Reset_Handler+4> movs r0, r0
0x80038ea <Reset_Handler+6> movs r0, r0
0x80038ec <Reset_Handler+8> movs r0, r0
0x80038ee <Reset_Handler+10> movs r0, r0
0x80038f0 <Reset_Handler+12> movs r0, r0
0x80038f2 <Reset_Handler+14> movs r0, r0
0x80038f4 <Reset_Handler+16> movs r0, r0
0x80038f6 <Reset_Handler+18> movs r0, r0
0x80038f8 <Reset_Handler+20> movs r0, r0
─────────────────────────────────[ SOURCE (CODE) ]──────────────────────────────────
In file: /home/indigo/projects/stm32_buisnesscard/program/stm32f1_buisnesscard_v1/startup_stm32f103xb.s:64
59 .weak Reset_Handler
60 .type Reset_Handler, %function
61 Reset_Handler:
62
63 /* Call the clock system initialization function.*/
► 64 bl SystemInit
65
66 /* Copy the data segment initializers from flash to SRAM */
67 ldr r0, =_sdata
68 ldr r1, =_edata
69 ldr r2, =_sidata
─────────────────────────────────────[ STACK ]──────────────────────────────────────
00:0000│ sp 0x20005000
... ↓ 7 skipped
───────────────────────────────────[ BACKTRACE ]────────────────────────────────────
► 0 0x80038e4 Reset_Handler
────────────────────────────────────────────────────────────────────────────────────
Continuing.
target not halted
target stm32f1x.cpu was not halted when resume was requested
Halt timed out, wake up GDB.
Program received signal SIGINT, Interrupt.
Reset_Handler () at startup_stm32f103xb.s:64
64 bl SystemInit
LEGEND: STACK | HEAP | CODE | DATA | WX | RODATA
───────────────[ REGISTERS / show-flags off / show-compact-regs off ]───────────────
R0 0
R1 0x42420000
R2 0x12c0c0
R3 0x4b03
R4 0
R5 0x40021000
R6 0
R7 0x80000000
R8 0xffff
R9 0x1000
R10 0x20000054
R11 0x77bdd31d
R12 0xf8ff
SP 0x20005000
LR 0xffffffff
PC 0x80038e4
──────────────────[ DISASM / armcm / thumb mode / set emulate on ]──────────────────
► 0x80038e4 <Reset_Handler> movs r0, r0
0x80038e6 <Reset_Handler+2> movs r0, r0
0x80038e8 <Reset_Handler+4> movs r0, r0
0x80038ea <Reset_Handler+6> movs r0, r0
0x80038ec <Reset_Handler+8> movs r0, r0
0x80038ee <Reset_Handler+10> movs r0, r0
0x80038f0 <Reset_Handler+12> movs r0, r0
0x80038f2 <Reset_Handler+14> movs r0, r0
0x80038f4 <Reset_Handler+16> movs r0, r0
0x80038f6 <Reset_Handler+18> movs r0, r0
0x80038f8 <Reset_Handler+20> movs r0, r0
─────────────────────────────────[ SOURCE (CODE) ]──────────────────────────────────
In file: /home/indigo/projects/stm32_buisnesscard/program/stm32f1_buisnesscard_v1/startup_stm32f103xb.s:64
59 .weak Reset_Handler
60 .type Reset_Handler, %function
61 Reset_Handler:
62
63 /* Call the clock system initialization function.*/
► 64 bl SystemInit
65
66 /* Copy the data segment initializers from flash to SRAM */
67 ldr r0, =_sdata
68 ldr r1, =_edata
69 ldr r2, =_sidata
─────────────────────────────────────[ STACK ]──────────────────────────────────────
00:0000│ sp 0x20005000
... ↓ 7 skipped
───────────────────────────────────[ BACKTRACE ]────────────────────────────────────
► 0 0x80038e4 Reset_Handler
────────────────────────────────────────────────────────────────────────────────────
Continuing.
target not halted
target stm32f1x.cpu was not halted when resume was requested
The target is not running when halt was requested, stopping GDB.
Program received signal SIGINT, Interrupt.
Reset_Handler () at startup_stm32f103xb.s:64
64 bl SystemInit
LEGEND: STACK | HEAP | CODE | DATA | WX | RODATA
───────────────[ REGISTERS / show-flags off / show-compact-regs off ]───────────────
R0 0
R1 0x42420000
R2 0x12c0c0
R3 0x4b03
R4 0
R5 0x40021000
R6 0
R7 0x80000000
R8 0xffff
R9 0x1000
R10 0x20000054
R11 0x77bdd31d
R12 0xf8ff
SP 0x20005000
LR 0xffffffff
PC 0x80038e4
──────────────────[ DISASM / armcm / thumb mode / set emulate on ]──────────────────
► 0x80038e4 <Reset_Handler> movs r0, r0
0x80038e6 <Reset_Handler+2> movs r0, r0
0x80038e8 <Reset_Handler+4> movs r0, r0
0x80038ea <Reset_Handler+6> movs r0, r0
0x80038ec <Reset_Handler+8> movs r0, r0
0x80038ee <Reset_Handler+10> movs r0, r0
0x80038f0 <Reset_Handler+12> movs r0, r0
0x80038f2 <Reset_Handler+14> movs r0, r0
0x80038f4 <Reset_Handler+16> movs r0, r0
0x80038f6 <Reset_Handler+18> movs r0, r0
0x80038f8 <Reset_Handler+20> movs r0, r0
─────────────────────────────────[ SOURCE (CODE) ]──────────────────────────────────
In file: /home/indigo/projects/stm32_buisnesscard/program/stm32f1_buisnesscard_v1/startup_stm32f103xb.s:64
59 .weak Reset_Handler
60 .type Reset_Handler, %function
61 Reset_Handler:
62
63 /* Call the clock system initialization function.*/
► 64 bl SystemInit
65
66 /* Copy the data segment initializers from flash to SRAM */
67 ldr r0, =_sdata
68 ldr r1, =_edata
69 ldr r2, =_sidata
─────────────────────────────────────[ STACK ]──────────────────────────────────────
00:0000│ sp 0x20005000
... ↓ 7 skipped
───────────────────────────────────[ BACKTRACE ]────────────────────────────────────
► 0 0x80038e4 Reset_Handler
────────────────────────────────────────────────────────────────────────────────────
Error erasing flash with vFlashErase packet
Detaching from program: /home/indigo/projects/stm32_buisnesscard/program/stm32f1_buisnesscard_v1/build/stm32f1_buisnesscard_v1.elf, Remote target
[Inferior 1 (Remote target) detached]
Breakpoint 1 at 0x8000e9a: file Core/Src/main.c, line 129.
Note: automatically using hardware breakpoints for read-only addresses.
benchmark.gdb:49: Error in sourced command file:
Error erasing flash with vFlashErase packet
------- tip of the day (disable with set show-tips off) -------
Use the pipe <cmd> | <prog> command to pass output of a GDB/Pwndbg command to a shell program, e.g. pipe elfsections | grep bss. This can also be shortened to: | <cmd> | <prog>
LEGEND: STACK | HEAP | CODE | DATA | WX | RODATA
───────────────[ REGISTERS / show-flags off / show-compact-regs off ]───────────────
R0 0x40
R1 0x80
R2 1
R3 0x20003548
R4 0x97
R5 6
R6 0x8003a20
R7 0
R8 0xffff
R9 0x1000
R10 0x20000054
R11 0x77bdd31d
R12 0
SP 0x20005000
LR 0xffffffff
PC 0x80038e4
──────────────────[ DISASM / armcm / thumb mode / set emulate on ]──────────────────
► 0x80038e4 <Reset_Handler> bl #SystemInit <SystemInit>
0x80038e8 <Reset_Handler+4> ldr r0, [pc, #0x2c] R0, [LoopFillZerobss+14]
0x80038ea <Reset_Handler+6> ldr r1, [pc, #0x30] R1, [LoopFillZerobss+18]
0x80038ec <Reset_Handler+8> ldr r2, [pc, #0x30] R2, [LoopFillZerobss+22]
0x80038ee <Reset_Handler+10> movs r3, #0 R3 => 0
0x80038f0 <Reset_Handler+12> b #Reset_Handler+20 <Reset_Handler+20>
↓
0x80038f8 <Reset_Handler+20> adds r4, r0, r3
0x80038fa <Reset_Handler+22> cmp r4, r1
0x80038fc <Reset_Handler+24> blo #Reset_Handler+14 <Reset_Handler+14>
0x80038fe <Reset_Handler+26> ldr r2, [pc, #0x24] R2, [LoopFillZerobss+26]
0x8003900 <Reset_Handler+28> ldr r4, [pc, #0x24] R4, [LoopFillZerobss+30]
─────────────────────────────────[ SOURCE (CODE) ]──────────────────────────────────
In file: /home/indigo/projects/stm32_buisnesscard/program/stm32f1_buisnesscard_v1/startup_stm32f103xb.s:64
59 .weak Reset_Handler
60 .type Reset_Handler, %function
61 Reset_Handler:
62
63 /* Call the clock system initialization function.*/
► 64 bl SystemInit
65
66 /* Copy the data segment initializers from flash to SRAM */
67 ldr r0, =_sdata
68 ldr r1, =_edata
69 ldr r2, =_sidata
─────────────────────────────────────[ STACK ]──────────────────────────────────────
00:0000│ sp 0x20005000
... ↓ 7 skipped
───────────────────────────────────[ BACKTRACE ]────────────────────────────────────
► 0 0x80038e4 Reset_Handler
────────────────────────────────────────────────────────────────────────────────────
Continuing.
target not halted
target stm32f1x.cpu was not halted when resume was requested
Program received signal SIGINT, Interrupt.
0x08003428 in HAL_PWR_EnterSLEEPMode (Regulator=Regulator@entry=1, SLEEPEntry=SLEEPEntry@entry=1 '\001') at Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_pwr.c:432
432 __WFI();
LEGEND: STACK | HEAP | CODE | DATA | WX | RODATA
───────────────[ REGISTERS / show-flags off / show-compact-regs off ]───────────────
*R0 1
*R1 1
*R2 0xe000ed00
*R3 0
*R4 0x2000009c
*R5 1
*R6 0
*R7 0x2000004c
R8 0xffff
R9 0x1000
R10 0x20000054
R11 0x77bdd31d
R12 0
*SP 0x20004fc0
LR 0x8000ea7
*PC 0x8003428
──────────────────[ DISASM / armcm / thumb mode / set emulate on ]──────────────────
► 0x8003428 <HAL_PWR_EnterSLEEPMode+24> bx lr <main+478>
↓
0x8000ea6 <main+478> ldr r5, [pc, #0x7c] R5, [main+604]
0x8000ea8 <main+480> ldrb r3, [r5] R3, [button_event]
0x8000eaa <main+482> ✔ cbz r3, #main+534 <main+534>
↓
0x8000ede <main+534> bl #HAL_SuspendTick <HAL_SuspendTick>
0x8000ee2 <main+538> movs r1, #1 R1 => 1
0x8000ee4 <main+540> mov r0, r1
0x8000ee6 <main+542> bl #HAL_PWR_EnterSTOPMode <HAL_PWR_EnterSTOPMode>
0x8000eea <main+546> bl #SystemClock_Config <SystemClock_Config>
0x8000eee <main+550> bl #HAL_ResumeTick <HAL_ResumeTick>
0x8000ef2 <main+554> bl #ST7735_wake <ST7735_wake>
─────────────────────────────────[ SOURCE (CODE) ]──────────────────────────────────
In file: /home/indigo/projects/stm32_buisnesscard/program/stm32f1_buisnesscard_v1/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_pwr.c:432
427
428 /* Select SLEEP mode entry -------------------------------------------------*/
429 if(SLEEPEntry == PWR_SLEEPENTRY_WFI)
430 {
431 /* Request Wait For Interrupt */
► 432 __WFI();
433 }
434 else
435 {
436 /* Request Wait For Event */
437 __SEV();
─────────────────────────────────────[ STACK ]──────────────────────────────────────
00:0000│ sp 0x20004fc0
01:0004│ 0x20004fc4
02:0008│ 0x20004fc8
... ↓ 3 skipped
06:0018│ 0x20004fd8
07:001c│ 0x20004fdc
───────────────────────────────────[ BACKTRACE ]────────────────────────────────────
► 0 0x8003428 HAL_PWR_EnterSLEEPMode+24
1 0x8000ea6 main+478
2 0x8003916 Reset_Handler+50
────────────────────────────────────────────────────────────────────────────────────
Error erasing flash with vFlashErase packet
Error erasing flash with vFlashErase packet
Detaching from program: /home/indigo/projects/stm32_buisnesscard/program/stm32f1_buisnesscard_v1/build/stm32f1_buisnesscard_v1.elf, Remote target
[Inferior 1 (Remote target) detached]
Breakpoint 1 at 0x8000e9a: file Core/Src/main.c, line 129.
Note: automatically using hardware breakpoints for read-only addresses.
benchmark.gdb:49: Error in sourced command file:
Error erasing flash with vFlashErase packet
------- tip of the day (disable with set show-tips off) -------
Use contextprev and contextnext to display a previous context output again without scrolling
LEGEND: STACK | HEAP | CODE | DATA | WX | RODATA
───────────────[ REGISTERS / show-flags off / show-compact-regs off ]───────────────
R0 1
R1 1
R2 0x40007000
R3 4
R4 0xe000ed00
R5 0x20000050
R6 0
R7 0x2000004c
R8 0xffff
R9 0x1000
R10 0x20000054
R11 0x77bdd31d
R12 0
SP 0x20005000
LR 0xffffffff
PC 0x80038e4
──────────────────[ DISASM / armcm / thumb mode / set emulate on ]──────────────────
► 0x80038e4 <Reset_Handler> movs r0, r0
0x80038e6 <Reset_Handler+2> movs r0, r0
0x80038e8 <Reset_Handler+4> movs r0, r0
0x80038ea <Reset_Handler+6> movs r0, r0
0x80038ec <Reset_Handler+8> movs r0, r0
0x80038ee <Reset_Handler+10> movs r0, r0
0x80038f0 <Reset_Handler+12> movs r0, r0
0x80038f2 <Reset_Handler+14> movs r0, r0
0x80038f4 <Reset_Handler+16> movs r0, r0
0x80038f6 <Reset_Handler+18> movs r0, r0
0x80038f8 <Reset_Handler+20> movs r0, r0
─────────────────────────────────[ SOURCE (CODE) ]──────────────────────────────────
In file: /home/indigo/projects/stm32_buisnesscard/program/stm32f1_buisnesscard_v1/startup_stm32f103xb.s:64
59 .weak Reset_Handler
60 .type Reset_Handler, %function
61 Reset_Handler:
62
63 /* Call the clock system initialization function.*/
► 64 bl SystemInit
65
66 /* Copy the data segment initializers from flash to SRAM */
67 ldr r0, =_sdata
68 ldr r1, =_edata
69 ldr r2, =_sidata
─────────────────────────────────────[ STACK ]──────────────────────────────────────
00:0000│ sp 0x20005000
... ↓ 7 skipped
───────────────────────────────────[ BACKTRACE ]────────────────────────────────────
► 0 0x80038e4 Reset_Handler
────────────────────────────────────────────────────────────────────────────────────
Error erasing flash with vFlashErase packet
Continuing.
target not halted
target stm32f1x.cpu was not halted when resume was requested
shutdown command invoked
Remote connection closed
Breakpoint 1 at 0x8000e9a: file Core/Src/main.c, line 129.
Note: automatically using hardware breakpoints for read-only addresses.
Loading section .isr_vector, size 0x10c lma 0x8000000
Loading section .text, size 0x38c0 lma 0x8000110
Loading section .rodata, size 0x9c lma 0x80039d0
Loading section .init_array, size 0x4 lma 0x8003a6c
Loading section .fini_array, size 0x4 lma 0x8003a70
Loading section .data, size 0x30 lma 0x8003a74
Start address 0x080038e4, load size 15008
Transfer rate: 14 KB/sec, 2501 bytes/write.
Breakpoint 1, main () at Core/Src/main.c:130
130 HAL_SuspendTick();
Breakpoint 1 at 0x8000e9a: file Core/Src/main.c, line 129.
Note: automatically using hardware breakpoints for read-only addresses.
Loading section .isr_vector, size 0x10c lma 0x8000000
Loading section .text, size 0x38c0 lma 0x8000110
Loading section .rodata, size 0x9c lma 0x80039d0
Loading section .init_array, size 0x4 lma 0x8003a6c
Loading section .fini_array, size 0x4 lma 0x8003a70
Loading section .data, size 0x30 lma 0x8003a74
Start address 0x080038e4, load size 15008
Transfer rate: 15 KB/sec, 2501 bytes/write.
Breakpoint 1, main () at Core/Src/main.c:130
130 HAL_SuspendTick();
$1 = {min_r = -1, min_i = -0.5, max_r = 1, max_i = 0.5}
$2 = 1.31749451
$3 = {min_r = 3.1577176569116192, min_i = 0.22066305108751161, max_r = 3.1577882779434727, max_i = 0.22069836160343248}
$4 = 0.183570281
$5 = {min_r = 3.1576023402469482, min_i = 0.22069267606110915, max_r = 3.1576029655564359, max_i = 0.22069298871585336}
$6 = 0.217522398
$7 = {min_r = 1.5143340717923357, min_i = -1.4054856689592869e-05, max_r = 1.5143697529846534, max_i = 3.7857394692316253e-06}
$8 = 0.761290252
Quit
Detaching from program: /home/indigo/projects/stm32_buisnesscard/program/stm32f1_buisnesscard_v1/build/stm32f1_buisnesscard_v1.elf, Remote target
Remote connection closed

127
program/stm32f1_buisnesscard_v1/compile_commands.json
View File

@ -6,13 +6,13 @@
"-c",
"-mcpu=cortex-m3",
"-mthumb",
"-DUSE_HAL_DRIVER",
"-DSTM32F103xB",
"-DUSE_HAL_DRIVER",
"-ICore/Inc",
"-IDrivers/STM32F1xx_HAL_Driver/Inc",
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
"-IDrivers/CMSIS/Device/ST/STM32F1xx/Include",
"-IDrivers/CMSIS/Include",
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
"-Ofast",
"-Wall",
"-fdata-sections",
@ -37,13 +37,13 @@
"-c",
"-mcpu=cortex-m3",
"-mthumb",
"-DUSE_HAL_DRIVER",
"-DSTM32F103xB",
"-DUSE_HAL_DRIVER",
"-ICore/Inc",
"-IDrivers/STM32F1xx_HAL_Driver/Inc",
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
"-IDrivers/CMSIS/Device/ST/STM32F1xx/Include",
"-IDrivers/CMSIS/Include",
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
"-Ofast",
"-Wall",
"-fdata-sections",
@ -68,13 +68,13 @@
"-c",
"-mcpu=cortex-m3",
"-mthumb",
"-DUSE_HAL_DRIVER",
"-DSTM32F103xB",
"-DUSE_HAL_DRIVER",
"-ICore/Inc",
"-IDrivers/STM32F1xx_HAL_Driver/Inc",
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
"-IDrivers/CMSIS/Device/ST/STM32F1xx/Include",
"-IDrivers/CMSIS/Include",
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
"-Ofast",
"-Wall",
"-fdata-sections",
@ -99,13 +99,13 @@
"-c",
"-mcpu=cortex-m3",
"-mthumb",
"-DUSE_HAL_DRIVER",
"-DSTM32F103xB",
"-DUSE_HAL_DRIVER",
"-ICore/Inc",
"-IDrivers/STM32F1xx_HAL_Driver/Inc",
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
"-IDrivers/CMSIS/Device/ST/STM32F1xx/Include",
"-IDrivers/CMSIS/Include",
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
"-Ofast",
"-Wall",
"-fdata-sections",
@ -130,13 +130,13 @@
"-c",
"-mcpu=cortex-m3",
"-mthumb",
"-DUSE_HAL_DRIVER",
"-DSTM32F103xB",
"-DUSE_HAL_DRIVER",
"-ICore/Inc",
"-IDrivers/STM32F1xx_HAL_Driver/Inc",
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
"-IDrivers/CMSIS/Device/ST/STM32F1xx/Include",
"-IDrivers/CMSIS/Include",
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
"-Ofast",
"-Wall",
"-fdata-sections",
@ -161,13 +161,13 @@
"-c",
"-mcpu=cortex-m3",
"-mthumb",
"-DUSE_HAL_DRIVER",
"-DSTM32F103xB",
"-DUSE_HAL_DRIVER",
"-ICore/Inc",
"-IDrivers/STM32F1xx_HAL_Driver/Inc",
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
"-IDrivers/CMSIS/Device/ST/STM32F1xx/Include",
"-IDrivers/CMSIS/Include",
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
"-Ofast",
"-Wall",
"-fdata-sections",
@ -192,13 +192,13 @@
"-c",
"-mcpu=cortex-m3",
"-mthumb",
"-DUSE_HAL_DRIVER",
"-DSTM32F103xB",
"-DUSE_HAL_DRIVER",
"-ICore/Inc",
"-IDrivers/STM32F1xx_HAL_Driver/Inc",
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
"-IDrivers/CMSIS/Device/ST/STM32F1xx/Include",
"-IDrivers/CMSIS/Include",
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
"-Ofast",
"-Wall",
"-fdata-sections",
@ -223,13 +223,13 @@
"-c",
"-mcpu=cortex-m3",
"-mthumb",
"-DUSE_HAL_DRIVER",
"-DSTM32F103xB",
"-DUSE_HAL_DRIVER",
"-ICore/Inc",
"-IDrivers/STM32F1xx_HAL_Driver/Inc",
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
"-IDrivers/CMSIS/Device/ST/STM32F1xx/Include",
"-IDrivers/CMSIS/Include",
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
"-Ofast",
"-Wall",
"-fdata-sections",
@ -254,13 +254,13 @@
"-c",
"-mcpu=cortex-m3",
"-mthumb",
"-DUSE_HAL_DRIVER",
"-DSTM32F103xB",
"-DUSE_HAL_DRIVER",
"-ICore/Inc",
"-IDrivers/STM32F1xx_HAL_Driver/Inc",
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
"-IDrivers/CMSIS/Device/ST/STM32F1xx/Include",
"-IDrivers/CMSIS/Include",
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
"-Ofast",
"-Wall",
"-fdata-sections",
@ -285,13 +285,13 @@
"-c",
"-mcpu=cortex-m3",
"-mthumb",
"-DUSE_HAL_DRIVER",
"-DSTM32F103xB",
"-DUSE_HAL_DRIVER",
"-ICore/Inc",
"-IDrivers/STM32F1xx_HAL_Driver/Inc",
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
"-IDrivers/CMSIS/Device/ST/STM32F1xx/Include",
"-IDrivers/CMSIS/Include",
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
"-Ofast",
"-Wall",
"-fdata-sections",
@ -316,13 +316,13 @@
"-c",
"-mcpu=cortex-m3",
"-mthumb",
"-DUSE_HAL_DRIVER",
"-DSTM32F103xB",
"-DUSE_HAL_DRIVER",
"-ICore/Inc",
"-IDrivers/STM32F1xx_HAL_Driver/Inc",
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
"-IDrivers/CMSIS/Device/ST/STM32F1xx/Include",
"-IDrivers/CMSIS/Include",
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
"-Ofast",
"-Wall",
"-fdata-sections",
@ -347,13 +347,13 @@
"-c",
"-mcpu=cortex-m3",
"-mthumb",
"-DUSE_HAL_DRIVER",
"-DSTM32F103xB",
"-DUSE_HAL_DRIVER",
"-ICore/Inc",
"-IDrivers/STM32F1xx_HAL_Driver/Inc",
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
"-IDrivers/CMSIS/Device/ST/STM32F1xx/Include",
"-IDrivers/CMSIS/Include",
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
"-Ofast",
"-Wall",
"-fdata-sections",
@ -378,13 +378,13 @@
"-c",
"-mcpu=cortex-m3",
"-mthumb",
"-DUSE_HAL_DRIVER",
"-DSTM32F103xB",
"-DUSE_HAL_DRIVER",
"-ICore/Inc",
"-IDrivers/STM32F1xx_HAL_Driver/Inc",
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
"-IDrivers/CMSIS/Device/ST/STM32F1xx/Include",
"-IDrivers/CMSIS/Include",
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
"-Ofast",
"-Wall",
"-fdata-sections",
@ -409,13 +409,13 @@
"-c",
"-mcpu=cortex-m3",
"-mthumb",
"-DUSE_HAL_DRIVER",
"-DSTM32F103xB",
"-DUSE_HAL_DRIVER",
"-ICore/Inc",
"-IDrivers/STM32F1xx_HAL_Driver/Inc",
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
"-IDrivers/CMSIS/Device/ST/STM32F1xx/Include",
"-IDrivers/CMSIS/Include",
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
"-Ofast",
"-Wall",
"-fdata-sections",
@ -440,13 +440,13 @@
"-c",
"-mcpu=cortex-m3",
"-mthumb",
"-DUSE_HAL_DRIVER",
"-DSTM32F103xB",
"-DUSE_HAL_DRIVER",
"-ICore/Inc",
"-IDrivers/STM32F1xx_HAL_Driver/Inc",
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
"-IDrivers/CMSIS/Device/ST/STM32F1xx/Include",
"-IDrivers/CMSIS/Include",
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
"-Ofast",
"-Wall",
"-fdata-sections",
@ -471,13 +471,13 @@
"-c",
"-mcpu=cortex-m3",
"-mthumb",
"-DUSE_HAL_DRIVER",
"-DSTM32F103xB",
"-DUSE_HAL_DRIVER",
"-ICore/Inc",
"-IDrivers/STM32F1xx_HAL_Driver/Inc",
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
"-IDrivers/CMSIS/Device/ST/STM32F1xx/Include",
"-IDrivers/CMSIS/Include",
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
"-Ofast",
"-Wall",
"-fdata-sections",
@ -502,13 +502,13 @@
"-c",
"-mcpu=cortex-m3",
"-mthumb",
"-DUSE_HAL_DRIVER",
"-DSTM32F103xB",
"-DUSE_HAL_DRIVER",
"-ICore/Inc",
"-IDrivers/STM32F1xx_HAL_Driver/Inc",
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
"-IDrivers/CMSIS/Device/ST/STM32F1xx/Include",
"-IDrivers/CMSIS/Include",
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
"-Ofast",
"-Wall",
"-fdata-sections",
@ -533,13 +533,13 @@
"-c",
"-mcpu=cortex-m3",
"-mthumb",
"-DUSE_HAL_DRIVER",
"-DSTM32F103xB",
"-DUSE_HAL_DRIVER",
"-ICore/Inc",
"-IDrivers/STM32F1xx_HAL_Driver/Inc",
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
"-IDrivers/CMSIS/Device/ST/STM32F1xx/Include",
"-IDrivers/CMSIS/Include",
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
"-Ofast",
"-Wall",
"-fdata-sections",
@ -564,13 +564,13 @@
"-c",
"-mcpu=cortex-m3",
"-mthumb",
"-DUSE_HAL_DRIVER",
"-DSTM32F103xB",
"-DUSE_HAL_DRIVER",
"-ICore/Inc",
"-IDrivers/STM32F1xx_HAL_Driver/Inc",
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
"-IDrivers/CMSIS/Device/ST/STM32F1xx/Include",
"-IDrivers/CMSIS/Include",
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
"-Ofast",
"-Wall",
"-fdata-sections",
@ -595,13 +595,13 @@
"-c",
"-mcpu=cortex-m3",
"-mthumb",
"-DUSE_HAL_DRIVER",
"-DSTM32F103xB",
"-DUSE_HAL_DRIVER",
"-ICore/Inc",
"-IDrivers/STM32F1xx_HAL_Driver/Inc",
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
"-IDrivers/CMSIS/Device/ST/STM32F1xx/Include",
"-IDrivers/CMSIS/Include",
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
"-Ofast",
"-Wall",
"-fdata-sections",
@ -626,13 +626,13 @@
"-c",
"-mcpu=cortex-m3",
"-mthumb",
"-DUSE_HAL_DRIVER",
"-DSTM32F103xB",
"-DUSE_HAL_DRIVER",
"-ICore/Inc",
"-IDrivers/STM32F1xx_HAL_Driver/Inc",
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
"-IDrivers/CMSIS/Device/ST/STM32F1xx/Include",
"-IDrivers/CMSIS/Include",
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
"-Ofast",
"-Wall",
"-fdata-sections",
@ -657,13 +657,13 @@
"-c",
"-mcpu=cortex-m3",
"-mthumb",
"-DUSE_HAL_DRIVER",
"-DSTM32F103xB",
"-DUSE_HAL_DRIVER",
"-ICore/Inc",
"-IDrivers/STM32F1xx_HAL_Driver/Inc",
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
"-IDrivers/CMSIS/Device/ST/STM32F1xx/Include",
"-IDrivers/CMSIS/Include",
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
"-Ofast",
"-Wall",
"-fdata-sections",
@ -688,13 +688,13 @@
"-c",
"-mcpu=cortex-m3",
"-mthumb",
"-DUSE_HAL_DRIVER",
"-DSTM32F103xB",
"-DUSE_HAL_DRIVER",
"-ICore/Inc",
"-IDrivers/STM32F1xx_HAL_Driver/Inc",
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
"-IDrivers/CMSIS/Device/ST/STM32F1xx/Include",
"-IDrivers/CMSIS/Include",
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
"-Ofast",
"-Wall",
"-fdata-sections",
@ -721,13 +721,13 @@
"-c",
"-mcpu=cortex-m3",
"-mthumb",
"-DUSE_HAL_DRIVER",
"-DSTM32F103xB",
"-DUSE_HAL_DRIVER",
"-ICore/Inc",
"-IDrivers/STM32F1xx_HAL_Driver/Inc",
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
"-IDrivers/CMSIS/Device/ST/STM32F1xx/Include",
"-IDrivers/CMSIS/Include",
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
"-Ofast",
"-Wall",
"-fdata-sections",
@ -743,5 +743,36 @@
"build/startup_stm32f103xb.o"
],
"file": "startup_stm32f103xb.s"
},
{
"directory": "/home/indigo/projects/stm32_buisnesscard/program/stm32f1_buisnesscard_v1",
"arguments": [
"arm-none-eabi-gcc",
"-c",
"-mcpu=cortex-m3",
"-mthumb",
"-DSTM32F103xB",
"-DUSE_HAL_DRIVER",
"-ICore/Inc",
"-IDrivers/STM32F1xx_HAL_Driver/Inc",
"-IDrivers/CMSIS/Device/ST/STM32F1xx/Include",
"-IDrivers/CMSIS/Include",
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
"-Ofast",
"-Wall",
"-fdata-sections",
"-ffunction-sections",
"-ggdb",
"-g3",
"-MMD",
"-MP",
"-MFbuild/benchmark.d",
"-Wall",
"-Wa,-a,-ad,-alms=build/benchmark.lst",
"Core/Src/benchmark.c",
"-o",
"build/benchmark.o"
],
"file": "Core/Src/benchmark.c"
}
]

5
program/stm32f1_buisnesscard_v1/debug.gdb Normal file
View File

@ -0,0 +1,5 @@
source /usr/share/pwndbg/gdbinit.py
file build/stm32f1_buisnesscard_v1.elf
target extended localhost:3333
load

4
program/stm32f1_buisnesscard_v1/optimizations Normal file
View File

@ -0,0 +1,4 @@
border tracing - 255 iter only!
frame shift
change: side that has most iterations is the saved fb
benchamrking: make shift benchmark

5
program/stm32f1_buisnesscard_v1/stm32f103c8tx_flash.ld
View File

@ -56,7 +56,7 @@ ENTRY(Reset_Handler)
_estack = ORIGIN(RAM) + LENGTH(RAM); /* end of RAM */
/* Generate a link error if heap and stack don't fit into RAM */
_Min_Heap_Size = 0x0; /* required amount of heap */
_Min_Stack_Size = 0x4b16; /* required amount of stack */
_Min_Stack_Size = 0x400; /* required amount of stack */
/* Specify the memory areas */
MEMORY
@ -102,7 +102,7 @@ SECTIONS
. = ALIGN(4);
} >FLASH
.ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >FLASH
.ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >FLASH
.ARM : {
__exidx_start = .;
*(.ARM.exidx*)
@ -163,6 +163,7 @@ SECTIONS
} >RAM
/* User_heap_stack section, used to check that there is enough RAM left */
/* just a check */
._user_heap_stack :
{
. = ALIGN(8);

2
program/stm32f1_buisnesscard_v1/stm32f1_buisnesscard_v1.ioc
View File

@ -125,7 +125,7 @@ ProjectManager.ProjectFileName=stm32f1_buisnesscard_v1.ioc
ProjectManager.ProjectName=stm32f1_buisnesscard_v1
ProjectManager.ProjectStructure=
ProjectManager.RegisterCallBack=
ProjectManager.StackSize=0x4b16
ProjectManager.StackSize=0x400
ProjectManager.TargetToolchain=Makefile
ProjectManager.ToolChainLocation=
ProjectManager.UAScriptAfterPath=

239
program/stm32f1_buisnesscard_v1/thereisnogoodwaytodothis Normal file
View File

@ -0,0 +1,239 @@
#include <stdint.h>
#include <string.h>
#include "mandelbrot.h"
#include "st7735.h"
#include "benchmark.h"
#include "main.h"
#define RES_X 160
#define RES_Y 80
#define DEFAULT_CENTER_X 0
#define DEFAULT_CENTER_Y 0
#define STEP_SIZE .1
#define ZOOM_SIZE .1
#define DECIMAL_LOC 28
#define DOUBLE_SCALER (1 << DECIMAL_LOC)
#define DOUBLE_TO_FIXED(val) (int32_t)((val) * DOUBLE_SCALER)
#define FIXED_MULTIPLY(x,y) ((((uint64_t)(x))*(y)) >> DECIMAL_LOC)
#define FIXED_TO_DOUBLE(val) ((val) / (double)DOUBLE_SCALER)
#define INFTY 2
#define INFTY_SQR INFTY * INFTY
#define ITERS 255
#define INFTY_SQR_FIXED DOUBLE_TO_FIXED(INFTY_SQR)
//TODO move to some hardware.h or somethin
//channel order: B, G, R
#define R_BITS 5
#define G_BITS 6
#define B_BITS 5
//imaginary axis set automatically
#define CAM_DEF_MIN_R -1
#define CAM_DEF_MAX_R 1
//set controls
#define CAM_MOVE_UP BUTTON_UP
#define CAM_MOVE_RIGHT BUTTON_RIGHT
#define CAM_MOVE_DOWN BUTTON_DOWN
#define CAM_MOVE_LEFT BUTTON_LEFT
#define CAM_ZOOM_IN BUTTON_A
#define CAM_ZOOM_OUT BUTTON_B
struct camera {
double min_r, min_i, max_r, max_i;
};
enum VIEW_MODES { VIEW_UNINIT, VIEW_MANDREL, VIEW_SHIP };
void init_colorscheme_mandrel(uint16_t *scheme) {
uint16_t *tc = scheme;
for(unsigned int i = 0; i < ITERS; i++) {
if((i == 0) || (i == ITERS)) *tc = 0;
else if(i < 128) *tc = (((((i - 64) << 2)+0x1f) & 0x1f) | (((((i - 128) << 1)+0x1f) & 0x1f) << (5+6)));
else *tc = (-2*(i - 128)+0x1f) & 0xff;
*tc = (*tc << 8) | (*tc >> 8); //convert to little endian
tc++;
}
}
void init_colorscheme_ship(uint16_t *scheme) {
uint16_t *tc = scheme;
for(unsigned int i = 0; i < ITERS; i++) {
if((i == 0) || (i == ITERS)) *tc = 0;
else *tc = (((i - (128)) << 1)+0x1f) << (5+6);
tc++;
}
}
void cam_shift(struct camera *cam, double step_r, double step_i) {
double i_offset = (cam->max_i - cam->min_i) * step_i;
double r_offset = (cam->max_r - cam->min_r) * step_r;
cam->min_i += i_offset;
cam->max_i += i_offset;
cam->min_r += r_offset;
cam->max_r += r_offset;
}
void cam_zoom(struct camera *cam, double zoom) {
double i_scale = (cam->max_i - cam->min_i) * zoom;
double r_scale = (cam->max_r - cam->min_r) * zoom;
cam->min_i += i_scale;
cam->max_i -= i_scale;
cam->min_r += r_scale;
cam->max_r -= r_scale;
}
//TODO look into border tracing; this is too slow. Change name
//
void render_mandelbrot(uint16_t *framebuffer, uint16_t *colorscheme, struct camera cam, int x0, int y0, int w, int h) {
int32_t scale_i = DOUBLE_TO_FIXED((cam.max_i - cam.min_i) / (double)RES_Y);
int32_t scale_r = DOUBLE_TO_FIXED((cam.max_r - cam.min_r) / (double)RES_X);
int32_t c_i = DOUBLE_TO_FIXED((((cam.max_i - cam.min_i) * (RES_Y - y0)) / RES_Y) + cam.min_i);
int32_t c_r0 = DOUBLE_TO_FIXED((((cam.max_r - cam.min_r) * x0) / RES_X) + cam.min_r);
int32_t c_r, z_i, z_r, zn_r, z_r_2, z_i_2;
size_t fb_index = 0;
int i;
//for(;;);
for(int y = y0; y < y0 + h; y++) {
c_r = c_r0;
for(int x = x0; x < x0 + w; x++) {
z_i = 0;
z_r = 0;
for(i = 0; i < ITERS; i++) {
z_r_2 = FIXED_MULTIPLY(z_r, z_r);
z_i_2 = FIXED_MULTIPLY(z_i, z_i);
zn_r = z_r_2 - z_i_2 + c_r;
//z_i = abs(FIXED_MULTIPLY((DOUBLE_TO_FIXED(2)), (FIXED_MULTIPLY(z_r, z_i)))) + c_i;
z_i = (FIXED_MULTIPLY(z_r, z_i) << 1) + c_i;
z_r = zn_r;
if(z_i_2 + z_r_2 > INFTY_SQR_FIXED) break;
}
framebuffer[fb_index++] = colorscheme[i];
c_r += scale_r;
}
c_i -= scale_i;
}
}
#define FB_SIZE_X RES_X
#define FB_SIZE_Y RES_Y/2
//TODO rename
void draw_mandelbrot(int key_pressed) {
static uint16_t framebuffer[FB_SIZE_X * FB_SIZE_Y];
uint16_t columnbuffer[8*RES_Y];
static bool bottom_buffered = true;
//program flow is awful atm becuase I was planning something different; will be improved soon.
static struct camera cam = {
.min_r = CAM_DEF_MIN_R,
.max_r = CAM_DEF_MAX_R,
.min_i = ((double)RES_Y / RES_X) * CAM_DEF_MIN_R,
.max_i = ((double)RES_Y / RES_X) * CAM_DEF_MAX_R,
};
static int view_mode = VIEW_UNINIT;
static uint16_t colorscheme[ITERS];
//we could get rid of this and do some awful bitbashing lol
//but for readability, we shant
//TODO camera moves l/r more then u/d for some reason
/**
if(key_pressed & CAM_MOVE_UP) cam_shift(&cam, 0, STEP_SIZE);
if(key_pressed & CAM_MOVE_DOWN) cam_shift(&cam, 0, -STEP_SIZE);
if(key_pressed & CAM_MOVE_RIGHT) cam_shift(&cam, -STEP_SIZE, 0);
if(key_pressed & CAM_MOVE_LEFT) cam_shift(&cam, STEP_SIZE, 0);
if(key_pressed & CAM_ZOOM_IN) cam_zoom(&cam, ZOOM_SIZE);
if(key_pressed & CAM_ZOOM_OUT) cam_zoom(&cam, -ZOOM_SIZE);
**/
//yes, I know the following is disgusting. Before I clean it, I just wanna get the general idea out,
//it's more efficient in that order
//TODO once you get your idea ironed out, clean the code and improve the flow
benchmark_start();
if(view_mode == VIEW_UNINIT) {
view_mode = VIEW_MANDREL;
init_colorscheme_mandrel(colorscheme);
render_mandelbrot(framebuffer, colorscheme, cam, 0, 0, RES_X, RES_Y/2);
ST7735_DrawImage(0, 0, RES_X, (RES_Y / 2), framebuffer);
render_mandelbrot(framebuffer, colorscheme, cam, 0, RES_Y/2, RES_X, RES_Y/2);
ST7735_DrawImage(0, (RES_Y / 2), RES_X, (RES_Y / 2), framebuffer);
bottom_buffered = true;
}
else {
uint16_t top_line = bottom_buffered ? (RES_Y/2) : 0;
switch(key_pressed) {
const int y_offset = STEP_SIZE * RES_Y;
const int x_offset = STEP_SIZE * RES_X;
const size_t lines_rendered = (RES_Y/2) - y_offset;
const size_t rendered_area_y = RES_X * lines_rendered * sizeof(uint16_t);
const uint16_t framebuffer_offset_y = framebuffer + (RES_X * y_offset);
const uint16_t columns_rendered = RES_X - x_offset;
const uint16_t
case BUTTON_UP:
cam_shift(&cam, 0, STEP_SIZE);
memmove(framebuffer_offset, framebuffer, rendered_area_y);
render_mandelbrot(framebuffer, colorscheme, cam, 0, top_line, RES_X, y_offset);
break;
case BUTTON_DOWN:
cam_shift(&cam, 0, -STEP_SIZE);
memmove(framebuffer, framebuffer_offset_y, rendered_area_y);
render_mandelbrot(framebuffer+(RES_X*lines_rendered), colorscheme, cam, 0, bottom_buffered ? RES_Y : lines_rendered, RES_X, y_offset);
break;
case BUTTON_RIGHT:
cam_shift(&cam, STEP_SIZE, 0);
render_mandelbrot(columnbuffer, colorscheme, cam, RES_X - x_offset, top_line, x_offset, RES_Y/2);
for(uint16_t y = 0; y < RES_Y/2; y++) {
memmove(framebuffer + (RES_X * y), framebuffer + (RES_X * y) + x_offset, (RES_X - x_offset) * sizeof(*framebuffer));
memmove(framebuffer + (RES_X * y) + (RES_X - x_offset), columnbuffer + (x_offset * y), x_offset * sizeof(*framebuffer));
}
break;
case BUTTON_LEFT:
cam_shift(&cam, -STEP_SIZE, 0);
render_mandelbrot(columnbuffer, colorscheme, cam, 0, top_line, x_offset, RES_Y/2);
for(uint16_t y = 0; y < RES_Y/2; y++) {
memmove(framebuffer + (RES_X * y) + x_offset, framebuffer + (RES_X * y), (RES_X - x_offset) * sizeof(*framebuffer));
memmove(framebuffer + (RES_X * y), columnbuffer + (x_offset * y), x_offset * sizeof(*framebuffer));
}
break;
case BUTTON_A:
cam_zoom(&cam, ZOOM_SIZE);
render_mandelbrot(framebuffer, colorscheme, cam, 0, top_line, RES_X, RES_Y/2);
break;
case BUTTON_B:
cam_zoom(&cam, -ZOOM_SIZE);
render_mandelbrot(framebuffer, colorscheme, cam, 0, top_line, RES_X, RES_Y/2);
break;
default:
render_mandelbrot(framebuffer, colorscheme, cam, 0, top_line, RES_X, RES_Y/2);
}
ST7735_DrawImage(0, top_line, RES_X, (RES_Y/2), framebuffer);
bottom_buffered = !bottom_buffered;
top_line = bottom_buffered ? (RES_Y/2) : 0;
render_mandelbrot(framebuffer, colorscheme, cam, 0, top_line, RES_X, RES_Y/2);
ST7735_DrawImage(0, top_line, RES_X, (RES_Y/2), framebuffer);
}
benchmark_stop();
/**
render_mandelbrot(framebuffer, colorscheme, cam, false, key_pressed);
ST7735_DrawImage(0, 0, ST7735_WIDTH, (ST7735_HEIGHT / 2), framebuffer);
render_mandelbrot(framebuffer, colorscheme, cam, true, key_pressed);
ST7735_DrawImage(0, (ST7735_HEIGHT / 2), ST7735_WIDTH, (ST7735_HEIGHT / 2), framebuffer);
**/
// ST7735_DrawImage(0, 0, ST7735_WIDTH - 1, ST7735_HEIGHT - 1, (uint16_t *)0x80000000);
}

28
recon/mandelbrot_tests/c/.gdb_history Normal file
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@ -0,0 +1,28 @@
start_pwndbg
break test
c
start
print bitarray
context
next
nexti
print bitarray
quit
start_pwndbg
break test
c
r
next
print bitarray
next
print bitarray
quit
start_pwndbg
start
break test
c
next
print bitarray
next
print bitarray
exit

210
recon/mandelbrot_tests/c/backup Normal file
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@ -0,0 +1,210 @@
#include <stdlib.h>
#include <stdio.h>
#include <stdint.h>
#include <raylib.h>
#include <raymath.h>
#include <limits.h>
#define WINDOW_SIZE_X 1600
#define WINDOW_SIZE_Y 800
#define RES_X 1600
#define RES_Y 800
#define DEFAULT_CENTER_X 0
#define DEFAULT_CENTER_Y 0
#define MOUSE_BUTTON 0
#define STEP_SIZE .1
#define ZOOM_SIZE .1
#define DECIMAL_LOC 28
#define DOUBLE_SCALER (1 << DECIMAL_LOC)
#define DOUBLE_TO_FIXED(val) (int32_t)((val) * DOUBLE_SCALER)
#define FIXED_MULTIPLY(x,y) ((((uint64_t)(x))*(y)) >> DECIMAL_LOC)
#define FIXED_TO_DOUBLE(val) ((val) / (double)DOUBLE_SCALER)
#define INFTY 2
#define INFTY_SQR INFTY * INFTY
#define ITERS 255
#define INFTY_SQR_FIXED DOUBLE_TO_FIXED(INFTY_SQR)
//#define SHIP
#undef SHIP
#ifdef SHIP
Color get_color(int i) {
if(i == ITERS) return (Color){0, 0, 0, 255};
if(i == 0) return (Color){0, 0, 0, 255};
return (Color) {
2*(i - 128)+255,
0,
0,
255
};
}
#else
Color get_color(int i) {
if((i == ITERS) || (i == 0)) return (Color){0, 0, 0, 255};
if(i < 128) {
return (Color) {
(8*(i - 128)+255) & 0xff,
0,
(16*(i - 64)+255) & 0xff,
255
};
}
return (Color) {
0,
0,
((unsigned int)-2*(i - 128)+255) & 0xff,
255
};
}
#endif
struct camera {
double min_r, min_i, max_r, max_i;
};
struct vec2_double {
double x, y;
};
struct vec2_float {
int32_t x, y;
};
static inline int iterate(int32_t r, int32_t i) {
int32_t z_i = 0;
int32_t z_r = 0;
int32_t z_r_2, z_i_2, zn_r, zn_i;
for(int it = 0; it < ITERS; it++) {
z_r_2 = FIXED_MULTIPLY(z_r, z_r);
z_i_2 = FIXED_MULTIPLY(z_i, z_i);
zn_r = z_r_2 - z_i_2 + r;
#ifdef SHIP
zn_i = abs(FIXED_MULTIPLY((DOUBLE_TO_FIXED(2)), (FIXED_MULTIPLY(z_r, z_i)))) + i;
#else
zn_i = (FIXED_MULTIPLY((DOUBLE_TO_FIXED(2)), (FIXED_MULTIPLY(z_r, z_i)))) + i;
#endif
z_i = zn_i;
z_r = zn_r;
if(z_i_2 + z_r_2 > INFTY_SQR_FIXED) return it;
}
return ITERS;
}
//blllluuuuurg, matracies and vectors in raylib are floats and we need doubles
void shift_cam(struct camera *cam, double step_r, double step_i) {
double i_offset = (cam->max_i - cam->min_i) * step_i;
double r_offset = (cam->max_r - cam->min_r) * step_r;
cam->min_i += i_offset;
cam->max_i += i_offset;
cam->min_r += r_offset;
cam->max_r += r_offset;
}
void zoom_cam(struct camera *cam, double zoom) {
double i_scale = (cam->max_i - cam->min_i) * zoom;
double r_scale = (cam->max_r - cam->min_r) * zoom;
cam->min_i += i_scale;
cam->max_i -= i_scale;
cam->min_r += r_scale;
cam->max_r -= r_scale;
}
enum DIRECTIONS {
N, NE, E, SE, S, SW, W, NW
};
int main() {
Color *pixels = malloc(RES_X * RES_Y * sizeof(Color));
struct camera cam = {
.min_r = -1,
.max_r = 1,
// .min_i = -1,
// .max_i = 1
};
cam.min_i = ((double)RES_Y / RES_X) * cam.min_r;
cam.max_i = ((double)RES_Y / RES_X) * cam.max_r;
InitWindow(WINDOW_SIZE_X, WINDOW_SIZE_Y, "mandelbrot fixed point test");
Image img = GenImageColor(RES_X, RES_Y, BLUE);
Texture tex = LoadTextureFromImage(img);
UnloadImage(img);
SetTargetFPS(10);
while(!WindowShouldClose()) {
switch(GetKeyPressed()) {
case KEY_UP:
shift_cam(&cam, 0, STEP_SIZE);
break;
case KEY_DOWN:
shift_cam(&cam, 0, -STEP_SIZE);
break;
case KEY_RIGHT:
shift_cam(&cam, STEP_SIZE, 0);
break;
case KEY_LEFT:
shift_cam(&cam, -STEP_SIZE, 0);
break;
case KEY_W:
zoom_cam(&cam, ZOOM_SIZE);
break;
case KEY_S:
zoom_cam(&cam, -ZOOM_SIZE);
break;
default:
BeginDrawing();
EndDrawing();
continue;
break;
}
printf("(%.6f, %.6f) - (%.6f, %.6f)\n", cam.min_r, cam.min_i, cam.max_r, cam.max_i);
struct coords {
int x, y
};
{
int32_t scale_i = DOUBLE_TO_FIXED((cam.max_i - cam.min_i) / (double)RES_Y);
int32_t scale_r = DOUBLE_TO_FIXED((cam.max_r - cam.min_r) / (double)RES_X);
int32_t c_i = DOUBLE_TO_FIXED(cam.max_i);
int32_t c_r;
uint8_t rendered[(RES_X * RES_Y) / 8] = {0};
uint8_t edges[(RES_X * RES_Y) / 8] = {0};
int32_t directions_r[8] = {0, scale_r, scale_r, scale_r, 0, -scale_r, -scale_r, -scale_r};
int32_t directions_i[8] = {scale_i, scale_i, 0, -scale_i, -scale_i, -scale_i, 0, scale_i};
int i;
for(int y = 0; y < RES_Y; y++) {
c_r = DOUBLE_TO_FIXED(cam.min_r);
for(int x = 0; x < RES_X; x++) {
int i = iterate(c_r, c_i);
if(i >= ITERS) {
int start_x = x;
int start_y = y;
do {
for(int canidate_d = 0; canidate_d < NW; canidate_d++) {
}
} while((x != start_x) && (y != start_y));
}
pixels[((y * RES_X) + x)] = get_color(iterate(c_r, c_i));
c_r += scale_r;
}
c_i -= scale_i;
}
}
BeginDrawing();
UpdateTexture(tex, pixels);
DrawTextureEx(tex, (Vector2){0,0}, 0, (float)GetRenderWidth()/RES_X, WHITE);
EndDrawing();
}
return 0;
}

161
recon/mandelbrot_tests/c/backup.c
View File

@ -1,26 +1,105 @@
#include <stdlib.h>
#include <stdio.h>
#include <stdint.h>
#include <math.h>
#include <raylib.h>
#include <raymath.h>
#include <limits.h>
#define RES_X 160
#define RES_Y 80
#define DEFAULT_CENTER_X 0
#define DEFAULT_CENTER_Y 0
#define MOUSE_BUTTON 0
#define STEP_SIZE .25
#define ZOOM_SIZE .25
#define WINDOW_SIZE_X 1600
#define WINDOW_SIZE_Y 800
#define RES_X 160
#define RES_Y 80
#define DEFAULT_CENTER_X 0
#define DEFAULT_CENTER_Y 0
#define MOUSE_BUTTON 0
#define STEP_SIZE .1
#define ZOOM_SIZE .1
#define INFTY 2
#define DECIMAL_LOC 28
#define DOUBLE_SCALER (1 << DECIMAL_LOC)
#define DOUBLE_TO_FIXED(val) (int32_t)((val) * DOUBLE_SCALER)
#define FIXED_MULTIPLY(x,y) ((((uint64_t)(x))*(y)) >> DECIMAL_LOC)
#define FIXED_TO_DOUBLE(val) ((val) / (double)DOUBLE_SCALER)
#define INFTY 2
#define INFTY_SQR INFTY * INFTY
#define ITERS 255
#define ITERS 255
#define INFTY_SQR_FIXED DOUBLE_TO_FIXED(INFTY_SQR)
//#define SHIP
#undef SHIP
#ifdef SHIP
Color get_color(int i) {
if(i == ITERS) return (Color){0, 0, 0, 255};
if(i == 0) return (Color){0, 0, 0, 255};
return (Color) {
2*(i - 128)+255,
0,
0,
255
};
}
#else
Color get_color(int i) {
// if((i == ITERS) || (i == 0)) return (Color){0, 0, 0, 255};
if(i == ITERS) return (Color){0,255,0,255};
if(i == 0) return (Color){0, 0, 0, 255};
if(i < 128) {
return (Color) {
(8*(i - 128)+255) & 0xff,
0,
(16*(i - 64)+255) & 0xff,
255
};
}
return (Color) {
0,
0,
((unsigned int)-2*(i - 128)+255) & 0xff,
255
};
}
#endif
struct camera {
double min_r, min_i, max_r, max_i;
};
struct vec2_double {
double x, y;
};
struct vec2_float {
int32_t x, y;
};
static inline int iterate(int32_t r, int32_t i) {
int32_t z_i = 0;
int32_t z_r = 0;
int32_t z_r_2, z_i_2, zn_r, zn_i;
for(int it = 0; it < ITERS; it++) {
z_r_2 = FIXED_MULTIPLY(z_r, z_r);
z_i_2 = FIXED_MULTIPLY(z_i, z_i);
zn_r = z_r_2 - z_i_2 + r;
#ifdef SHIP
zn_i = abs(FIXED_MULTIPLY((DOUBLE_TO_FIXED(2)), (FIXED_MULTIPLY(z_r, z_i)))) + i;
#else
zn_i = (FIXED_MULTIPLY((DOUBLE_TO_FIXED(2)), (FIXED_MULTIPLY(z_r, z_i)))) + i;
#endif
z_i = zn_i;
z_r = zn_r;
if(z_i_2 + z_r_2 > INFTY_SQR_FIXED) return it;
}
return ITERS;
}
//blllluuuuurg, matracies and vectors in raylib are floats and we need doubles
void shift_cam(struct camera *cam, double step_r, double step_i) {
double i_offset = (cam->max_i - cam->min_i) * step_i;
@ -40,23 +119,29 @@ void zoom_cam(struct camera *cam, double zoom) {
cam->max_r -= r_scale;
}
enum DIRECTIONS {
N, NE, E, SE, S, SW, W, NW
};
int main() {
int key_pressed;
Color *pixels = malloc(RES_X * RES_Y * sizeof(Color));
struct camera cam = {
.min_r = -1,
.max_r = 1,
yru += di*(targety - yru)/10.;
} .min_i = -1,
.max_i = 1
// .min_i = -1,
// .max_i = 1
};
InitWindow(RES_X, RES_Y, "mandelbrot fixed point test");
cam.min_i = ((double)RES_Y / RES_X) * cam.min_r;
cam.max_i = ((double)RES_Y / RES_X) * cam.max_r;
InitWindow(WINDOW_SIZE_X, WINDOW_SIZE_Y, "mandelbrot fixed point test");
Image img = GenImageColor(RES_X, RES_Y, BLUE);
Texture tex = LoadTextureFromImage(img);
UnloadImage(img);
SetTargetFPS(10);
while(!WindowShouldClose()) {
switch(GetKeyPressed()) {
case KEY_UP:
@ -72,7 +157,6 @@ int main() {
shift_cam(&cam, -STEP_SIZE, 0);
break;
case KEY_W:
printf("a\n");
zoom_cam(&cam, ZOOM_SIZE);
break;
case KEY_S:
@ -84,35 +168,26 @@ int main() {
continue;
break;
}
printf("(%f, %f) - (%f, %f)\n", cam.min_r, cam.min_i, cam.max_r, cam.max_i);
printf("(%.21f, %.21f) - (%.21f, %.21f)\n", cam.min_r, cam.min_i, cam.max_r, cam.max_i);
{
//double scale_i = (cam.max_i - cam.min_i) / (double)GetRenderHeight();
//double scale_r = (cam.max_r - cam.min_r) / (double)GetRenderWidth();
double scale_i = (cam.max_i - cam.min_i) / (double)RES_Y;
double scale_r = (cam.max_r - cam.min_r) / (double)RES_X;
double c_i = cam.max_i;
double c_r;
double z_i;
double z_r;
double zn_r, zn_i;
int i;
uint8_t color;
int32_t scale_i = DOUBLE_TO_FIXED((cam.max_i - cam.min_i) / (double)RES_Y);
int32_t scale_r = DOUBLE_TO_FIXED((cam.max_r - cam.min_r) / (double)RES_X);
int32_t c_i = DOUBLE_TO_FIXED(cam.max_i);
int32_t c_r;
for(int y = 0; y < RES_Y; y++) {
c_r = cam.min_r;
c_r = DOUBLE_TO_FIXED(cam.min_r);
for(int x = 0; x < RES_X; x++) {
z_i = 0;
z_r = 0;
for(i = 0; i < ITERS; i++) {
zn_r = pow(z_r, 2.0) - pow(z_i, 2.0) + c_r;
zn_i = (2.0 * z_r * z_i) + c_i;
z_i = zn_i;
z_r = zn_r;
if((pow(z_i, 2.0) + pow(z_r, 2.0)) > INFTY_SQR) {
break;
}
int i = iterate(c_r, c_i);
if(i >= ITERS) {
int start_x = x;
int start_y = y;
do {
for(int canidate_d = 0; canidate_d < NW; canidate_d++) {
}
} while((x != start_x) && (y != start_y));
}
color = ((float)i / ITERS) * UINT8_MAX;
pixels[((y * RES_X) + x)] = (Color){color, color, color, 255};
pixels[((y * RES_X) + x)] = get_color(iterate(c_r, c_i));
c_r += scale_r;
}
c_i -= scale_i;
@ -121,7 +196,7 @@ int main() {
BeginDrawing();
UpdateTexture(tex, pixels);
DrawTexture(tex, 0, 0, WHITE);
DrawTextureEx(tex, (Vector2){0,0}, 0, (float)GetRenderWidth()/RES_X, WHITE);
EndDrawing();
}

206
recon/mandelbrot_tests/c/main.c
View File

@ -4,6 +4,7 @@
#include <raylib.h>
#include <raymath.h>
#include <limits.h>
#include <complex.h>
#define WINDOW_SIZE_X 1600
#define WINDOW_SIZE_Y 800
@ -28,6 +29,7 @@
#define INFTY_SQR_FIXED DOUBLE_TO_FIXED(INFTY_SQR)
#define SHIP
//#undef SHIP
#ifdef SHIP
Color get_color(int i) {
@ -42,7 +44,9 @@ Color get_color(int i) {
}
#else
Color get_color(int i) {
if((i == ITERS) || (i == 0)) return (Color){0, 0, 0, 255};
// if((i == ITERS) || (i == 0)) return (Color){0, 0, 0, 255};
if(i == ITERS) return (Color){0,255,0,255};
if(i == 0) return (Color){0, 0, 0, 255};
if(i < 128) {
return (Color) {
(8*(i - 128)+255) & 0xff,
@ -65,6 +69,38 @@ struct camera {
double min_r, min_i, max_r, max_i;
};
struct vec2_double {
double x, y;
};
struct vec2_float {
int32_t x, y;
};
static inline int iterate(int32_t r, int32_t i) {
int32_t z_i = 0;
int32_t z_r = 0;
int32_t z_r_2, z_i_2, zn_r, zn_i;
for(int it = 0; it < ITERS; it++) {
z_r_2 = FIXED_MULTIPLY(z_r, z_r);
z_i_2 = FIXED_MULTIPLY(z_i, z_i);
zn_r = z_r_2 - z_i_2 + r;
#ifdef SHIP
zn_i = abs(FIXED_MULTIPLY((DOUBLE_TO_FIXED(2)), (FIXED_MULTIPLY(z_r, z_i)))) + i;
#else
zn_i = (FIXED_MULTIPLY((DOUBLE_TO_FIXED(2)), (FIXED_MULTIPLY(z_r, z_i)))) + i;
#endif
z_i = zn_i;
z_r = zn_r;
if(z_i_2 + z_r_2 > INFTY_SQR_FIXED) return it;
}
return ITERS;
}
//blllluuuuurg, matracies and vectors in raylib are floats and we need doubles
void shift_cam(struct camera *cam, double step_r, double step_i) {
double i_offset = (cam->max_i - cam->min_i) * step_i;
@ -84,7 +120,132 @@ void zoom_cam(struct camera *cam, double zoom) {
cam->max_r -= r_scale;
}
enum DIRECTIONS {
N, NE, E, SE, S, SW, W, NW
};
typedef struct {
double x; double y;
} coordinate;
//we can inline these if needed
inline bool bitarray_check(uint8_t *array, size_t i) {
return array[i/8] & (1 << (i%8));
}
inline void bitarray_set(uint8_t *array, size_t i) {
array[i/8] |= (1 << (i%8));
}
/**
inline coordinate get_neighbor_coord(coordinate from_coord, int direction, coordinate step) {
if((direction == NW) && (direction < E)) from_coord.x += ;
if((direction > N) && (direction < S)) from_coord += 1;
if((direction > E) && (direction < W)) from_coord += RES_X;
if(direction > S) from_coord -= 1;
return from_coord;
}
**/
size_t get_neighbor_index(size_t from_pixel, int direction) {
//canidate for optimization; lots of branches. maybe inline
if((direction == NW) && (direction < E)) from_pixel -= RES_X;
if((direction > N) && (direction < S)) from_pixel += 1;
if((direction > E) && (direction < W)) from_pixel += RES_X;
if(direction > S) from_pixel -= 1;
return from_pixel;
}
bool bitarray_check(uint8_t *array, size_t i);
void bitarray_set(uint8_t *array, size_t i);
#define BITARRAY_SET(array, i) ((array)[(i)/8] |= (1 << ((i) % 8)))
#define BITARRAY_CHECK(array, i) ((array)[(i)/8] & (1 << ((i) % 8)))
/**
enum CANIDATE_STATUS {
UNSOLVED = 0,
CANIDATE,
NONCANIDATE
};
**/
unsigned int mandelbrot_bordertrace(struct camera *cam, Color *pixels) {
//these lookup tables r cheap cuz on the stm32f1, 1 memory read is 1 instruction
const size_t neighbor_index_accl[8] = {-RES_X, -RES_X + 1, 1, RES_X + 1, RES_X, RES_X - 1, -1, -RES_X - 1};
int32_t scale_i = DOUBLE_TO_FIXED((cam->max_i - cam->min_i) / (double)RES_Y);
int32_t scale_r = DOUBLE_TO_FIXED((cam->max_r - cam->min_r) / (double)RES_X);
int32_t c_i = DOUBLE_TO_FIXED(cam->max_i);
int32_t c_r;
unsigned int total_iters = 0;
size_t on_pixel = 0;
uint8_t border[(160*80)/8] = {0};
//for keeping track of border only. will organize later
uint8_t set[(160*80)/8] = {0};
uint8_t unset[(160*80)/8] = {0};
for(int y = 0; y < RES_Y; y++) {
c_r = DOUBLE_TO_FIXED(cam->min_r);
for(int x = 0; x < RES_X; x++) {
int i = iterate(c_r, c_i);
total_iters += i;
pixels[((y * RES_X) + x)] = get_color(i);
//this is where it all begins
if(i == ITERS) {
int current_border_pixel = on_pixel;
uint8_t visited_border[(160*80)/8] = {0};
int filled_neighbors = 0;
//unroll and manually get_neighbor if this is too slow
for(int nei_dir = 0; nei_dir < 8; nei_dir++) {
size_t nei_i = current_border_pixel + neighbor_index_accl[nei_dir];
if(bitarray_check(set, nei_i)) {
filled_neighbors++;
continue;
}
if(bitarray_check(unset, nei_i)) continue;
}
//if c_d == 7 go back
}
c_r += scale_r;
}
on_pixel++;
c_i -= scale_i;
}
return total_iters;
}
unsigned int mandelbrot_unoptimized(struct camera *cam, Color *pixels) {
int32_t scale_i = DOUBLE_TO_FIXED((cam->max_i - cam->min_i) / (double)RES_Y);
int32_t scale_r = DOUBLE_TO_FIXED((cam->max_r - cam->min_r) / (double)RES_X);
int32_t c_i = DOUBLE_TO_FIXED(cam->max_i);
int32_t c_r;
unsigned int total_iters = 0;
for(int y = 0; y < RES_Y; y++) {
c_r = DOUBLE_TO_FIXED(cam->min_r);
for(int x = 0; x < RES_X; x++) {
int i = iterate(c_r, c_i);
total_iters += i;
pixels[((y * RES_X) + x)] = get_color(i);
c_r += scale_r;
}
c_i -= scale_i;
}
return total_iters;
}
void test() {
uint8_t bitarray[(160*80)/8] = {0};
int test_i = 9;
BITARRAY_SET(bitarray, test_i);
printf("%s\n", BITARRAY_CHECK(bitarray, 9) ? "true" : "false");
}
int main() {
test();
return 0;
Color *pixels = malloc(RES_X * RES_Y * sizeof(Color));
struct camera cam = {
.min_r = -1,
@ -129,47 +290,10 @@ int main() {
continue;
break;
}
printf("(%.6f, %.6f) - (%.6f, %.6f)\n", cam.min_r, cam.min_i, cam.max_r, cam.max_i);
{
int32_t scale_i = DOUBLE_TO_FIXED((cam.max_i - cam.min_i) / (double)RES_Y);
int32_t scale_r = DOUBLE_TO_FIXED((cam.max_r - cam.min_r) / (double)RES_X);
int32_t c_i = DOUBLE_TO_FIXED(cam.max_i);
int32_t c_r, z_i, z_r, zn_i, zn_r;
int32_t z_r_2, z_i_2;
printf("(%.21f, %.21f) - (%.21f, %.21f)\n", cam.min_r, cam.min_i, cam.max_r, cam.max_i);
int i;
int min = INT_MAX;
int max = INT_MIN;
for(int y = 0; y < RES_Y; y++) {
c_r = DOUBLE_TO_FIXED(cam.min_r);
for(int x = 0; x < RES_X; x++) {
z_i = 0;
z_r = 0;
for(i = 0; i < ITERS; i++) {
z_r_2 = FIXED_MULTIPLY(z_r, z_r);
z_i_2 = FIXED_MULTIPLY(z_i, z_i);
zn_r = z_r_2 - z_i_2 + c_r;
#ifdef SHIP
zn_i = abs(FIXED_MULTIPLY((DOUBLE_TO_FIXED(2)), (FIXED_MULTIPLY(z_r, z_i)))) + c_i;
#else
zn_i = (FIXED_MULTIPLY((DOUBLE_TO_FIXED(2)), (FIXED_MULTIPLY(z_r, z_i)))) + c_i;
#endif
z_i = zn_i;
z_r = zn_r;
if(z_i_2 + z_r_2 > INFTY_SQR_FIXED) break;
}
if(i > max) max = i;
if(i < min) min = i;
pixels[((y * RES_X) + x)] = get_color(i);
c_r += scale_r;
}
c_i -= scale_i;
}
}
printf("Unoptimized: %u iterations\n", mandelbrot_unoptimized(&cam, pixels));
//printf("Border tracing: %u iterations\n", mandelbrot_unoptimized(cam, pixels);
BeginDrawing();
UpdateTexture(tex, pixels);

2
recon/mandelbrot_tests/c/makefile
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@ -1,6 +1,6 @@
.default: make
make:
gcc main.c -o mandelbrot -lraylib -lm -Wall -ggdb
gcc main.c -O0 -o mandelbrot -lraylib -lm -Wall -ggdb
clean:
rm -f mandelbrot

BIN
recon/mandelbrot_tests/c/mandelbrot
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1
stm32_buisnesscard.prf Symbolic link
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@ -0,0 +1 @@
/home/indigo/.unison/stm32_buisnesscard.prf