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#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <ws2811/ws2811.h>
#include <string.h>
#include <ncurses.h>
#include <wchar.h>
#include "led_info.h"
#include "gradient.h"
void refresh_strip(ws2811_t *ledstring, segment_t *segments, unsigned int segment_amount) {
unsigned int s = 0;
unsigned int led = 0;
for(; s < segment_amount; s++) {
for(; led < segments[s].size; led++) {
ledstring->channel[0].leds[led] = segments[s].color;
}
}
if(led < (LED_COUNT - 1)) {
for(; led < LED_COUNT; led++) {
ledstring->channel[0].leds[led] = segments[s].color;
}
}
ws2811_render(ledstring);
}
unsigned int find_starting_pos(segment_t *segments, unsigned int index) {
unsigned int position = 0;
for(int i = 0; i < position; i++) position += segments[i].size;
return(position);
}
int main() {
initscr();
clear();
noecho();
cbreak();
keypad(stdscr, TRUE);
ws2811_return_t ret;
if((ret = ws2811_init(&ledstring)) != WS2811_SUCCESS) {
printf("Error initilizing ws8211 strip: %s\n", ws2811_get_return_t_str(ret));
return(ret);
}
segment_t *segments = malloc(sizeof(segment_t)); //just start with one
segments[0].size = LED_COUNT - 1;
segments[0].color = 0;
int prev_program_state = EXITED;
int program_state = VIEW_MODE;
int ui_selection = 0;
unsigned int i = 0;
unsigned int starting_pos;
unsigned int segment_selection = 0;
unsigned int segment_quanity = 1;
int selection_state = 0; //just for asthetics
int user_key;
char *main_msg = "Press the arrow keys to select the segment, and enter to edit it.\nTo create new segments, select the segment you want to divide.\n";
char *modification_menu[7] = {
"Change red",
"Change green",
"Change blue",
"Change size",
"Subdivide (create segment)",
"Delete",
"Go back"
};
int modification_menu_items = 7;
for(;;) {
//prev_program_state = program_state;
if(prev_program_state != program_state) {
switch(program_state) {
case MODIFY_MODE:
clear();
for(i = 0; i < modification_menu_items; i++) {
cbreak();
if(ui_selection == i) attron(A_STANDOUT);
printw("%s, %i, %i\n", modification_menu[i], ui_selection, user_key);
if(ui_selection == i) attroff(A_STANDOUT);
}
refresh();
break;
case MODIFY_R:
printw("Modifying red value.\n");
refresh_strip(&ledstring, segments, segment_quanity);
refresh();
break;
case MODIFY_G:
printw("Modifying green value.\n");
refresh_strip(&ledstring, segments, segment_quanity);
refresh();
break;
case MODIFY_B:
printw("Modifying blue value.\n");
refresh_strip(&ledstring, segments, segment_quanity);
refresh();
break;
case MODIFY_SIZE:
printw("Modifying size.\n");
refresh_strip(&ledstring, segments, segment_quanity);
refresh();
break;
case VIEW_MODE:
clear();
refresh_strip(&ledstring, segments, segment_quanity);
printw("%s\n", main_msg);
cbreak();
break;
case SELECT_MODE:
clear();
printw("Press enter to modify segment %i, or [q] to return.\n", segment_selection);
halfdelay(10);
break;
case EXITED:
for(i = 0; i < LED_COUNT; i++) {
ledstring.channel[0].leds[i] = 0;
}
ws2811_render(&ledstring);
ws2811_fini(&ledstring);
clear();
endwin();
printf("goodbye\n");
return 0;
break;
default:
break;
}
}
if((user_key = getch()) != ERR) {
switch(user_key) {
case KEY_UP:
case KEY_LEFT:
switch(program_state) {
case VIEW_MODE:
program_state = SELECT_MODE;
segment_selection = segment_quanity;
break;
case SELECT_MODE:
if(segment_selection < segment_quanity) segment_selection++;
break;
case MODIFY_MODE:
if(ui_selection < modification_menu_items) ui_selection++;
break;
case MODIFY_R:
if ((segments[segment_selection].color >> 16) < 0xff) segments[segment_selection].color += 0x10000;
break;
case MODIFY_G:
if ((segments[segment_selection].color >> 8 & 0xff) < 0xff) segments[segment_selection].color += 0x100;
break;
case MODIFY_B:
if ((segments[segment_selection].color & 0xff) < 0xff) segments[segment_selection].color += 1;
break;
case MODIFY_SIZE:
if(find_starting_pos(segments, segment_quanity - 1) < LED_COUNT - 1) segments[segment_selection].size++;
break;
default:
break;
}
break;
case KEY_DOWN:
case KEY_RIGHT:
switch(program_state) {
case VIEW_MODE:
program_state = SELECT_MODE;
segment_selection = 0;
break;
case SELECT_MODE:
if(segment_selection > 0) segment_selection--;
break;
case MODIFY_MODE:
if(ui_selection > 0) ui_selection--;
case MODIFY_R:
if (!(segments[segment_selection].color >> 16)) segments[segment_selection].color -= 0x10000;
break;
case MODIFY_G:
if (!(segments[segment_selection].color >> 8 & 0xff)) segments[segment_selection].color -= 0x100;
break;
case MODIFY_B:
if (!(segments[segment_selection].color & 0xff)) segments[segment_selection].color -= 1;
break;
case MODIFY_SIZE:
if(segments[segment_selection].size >= 4) segments[segment_selection].size--;
break;
default:
break;
}
break;
case 10:
switch(program_state) {
case VIEW_MODE:
program_state = SELECT_MODE;
break;
case SELECT_MODE:
program_state = MODIFY_MODE;
break;
case MODIFY_MODE:
switch(ui_selection) {
case 0:
program_state = MODIFY_R;
break;
case 1:
program_state = MODIFY_G;
break;
case 2:
program_state = MODIFY_B;
break;
case 3:
program_state = MODIFY_SIZE;
break;
case 4:
//create new segment
//TODO: prevent user stupidity
program_state = MODIFY_MODE;
segments[segment_selection].size = segments[segment_selection].size / 2;
segment_quanity++;
segments = realloc(segments, sizeof(segment_t) * segment_quanity);
memmove(&segments[segment_selection + 2],
&segments[segment_selection] + sizeof(segment_t),
&segments[segment_quanity - 1] - &segments[segment_selection + 1]);
memcpy(&segments[segment_selection + 1], &segments[segment_selection], sizeof(segment_t));
segment_selection++;
break;
case 5:
program_state = VIEW_MODE;
segments[segment_selection + 1].size += segments[segment_selection].size;
memmove(&segments[segment_selection], &segments[segment_selection + 1], &segments[segment_quanity] - &segments[segment_selection + 1]);
segment_quanity--;
segments = realloc(&segments, &segments[segment_quanity] - &segments[0]);
break;
case 6:
program_state = VIEW_MODE;
break;
default:
break;
}
break;
case MODIFY_R:
case MODIFY_G:
case MODIFY_B:
case MODIFY_SIZE:
program_state = MODIFY_MODE;
break;
default:
break;
}
break;
case 'q':
switch(program_state) {
case VIEW_MODE:
program_state = EXITED;
break;
case SELECT_MODE:
program_state = VIEW_MODE;
break;
case MODIFY_MODE:
program_state = SELECT_MODE;
break;
case MODIFY_R:
case MODIFY_G:
case MODIFY_B:
case MODIFY_SIZE:
program_state = MODIFY_MODE;
default:
break;
}
break;
default:
break;
}
}
else if(program_state = SELECT_MODE) {
starting_pos = find_starting_pos(segments, segment_selection);
for(i = starting_pos; i <= starting_pos + segments[segment_selection].size; i++) {
ledstring.channel[0].leds[i] = (selection_state ? (i % 2) : ((i+1) % 2)) ? 0xffffff : 0;
}
selection_state = selection_state ? 0 : 1;
ws2811_render(&ledstring);
}
}
return 0;
}
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