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PWM debug ready! (might reimpliment better, the macros suck)

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This commit is contained in:
Brett Weiland 2023-11-04 01:42:06 -05:00
parent 1f74d8e77c
commit 4d61973a28
1 changed files with 7 additions and 11 deletions
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18
software_pwm.c
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@ -23,13 +23,14 @@ static struct pwm_event {
bool enabled; bool enabled;
} events[SOFTPWM_PIN_COUNT + 1]; } events[SOFTPWM_PIN_COUNT + 1];
//these macros and the list_insert/remove functions are kinda ass.
//if list_insert and list_remove end up being too slow, these have a lot of room for //if list_insert and list_remove end up being too slow, these have a lot of room for
//optimization. We could do a preprocessor IF/THEN instead of using member offset //optimization. We could do a preprocessor IF/THEN instead of using member offset,
//TODO accept pointer instead of actual value //who knows, maybe even a inline funciton that can handle all the cases would be better.
#define LIST_INSERT(new, prev, member) (\ #define LIST_INSERT(new, prev, member) (\
list_insert(new->member, prev->member, offsetof(struct pwm_event, member))) list_insert(&((new)->member), &((prev)->member), offsetof(struct pwm_event, member)))
#define LIST_REMOVE(event, member) list_remove((event)->member, offsetof(struct pwm_event, member)) #define LIST_REMOVE(event, member) list_remove(&((event)->member), offsetof(struct pwm_event, member))
#define EVENT_FROM_MEMBER(member_ptr, member_offset) \ #define EVENT_FROM_MEMBER(member_ptr, member_offset) \
((struct pwm_event *)(char *)member_ptr - member_offset) ((struct pwm_event *)(char *)member_ptr - member_offset)
@ -64,8 +65,8 @@ void init_softpwm() {
for(size_t event_i = 1; event_i <= SOFTPWM_PIN_COUNT; event_i++) { for(size_t event_i = 1; event_i <= SOFTPWM_PIN_COUNT; event_i++) {
events[event_i].time = event_i; events[event_i].time = event_i;
events[event_i].pins = (1 << event_i) - 1; events[event_i].pins = (1 << event_i) - 1;
LIST_INSERT(&(events[event_i]), LIST_INSERT(&events[event_i],
&events[((int)event_i - 1) % (SOFTPWM_PIN_COUNT + 1)], active); &(events[((int)event_i - 1) % (SOFTPWM_PIN_COUNT + 1)]), active);
events[event_i].enabled = true; events[event_i].enabled = true;
} }
@ -124,11 +125,6 @@ void softpwm_set(uint8_t pin, uint8_t duty) {
pin_event->time = duty; pin_event->time = duty;
} }
/**
ISR(TIMER0_OVF_vect) {
}
**/
ISR(TIMER0_COMP_vect) { ISR(TIMER0_COMP_vect) {
static struct pwm_event *on_event = &events[SOFTPWM_PIN_COUNT]; static struct pwm_event *on_event = &events[SOFTPWM_PIN_COUNT];
SOFTPWM_PORT = on_event->pins; SOFTPWM_PORT = on_event->pins;