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PWM works

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This commit is contained in:
Edward Emelianov
2026-03-15 23:44:58 +03:00
parent 61262435a8
commit 03b05051aa
9 changed files with 292 additions and 161 deletions
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28
F0:F030,F042,F072/usbcan_gpio/pwm.h
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@@ -18,4 +18,32 @@
#pragma once
#include <stdint.h>
// used timers
typedef enum{
TIM_UNSUPPORTED = 0,
TIM1_IDX,
TIM2_IDX,
TIM3_IDX,
TIM14_IDX,
TIM16_IDX,
TIMERS_AMOUNT
}timidx_t;
// Timers for PWM
typedef struct{
timidx_t timidx : 3; // timer index from array of timers used
uint8_t chidx : 2; // channel index (0..3)
uint8_t collision : 1; // have collision with other channel (1)
uint8_t collport : 1; // collision port index (0 - GPIOA, 1 - GPIOB)
uint8_t collpin : 4; // collision pin index (0..15)
} pwmtimer_t;
void pwm_setup();
int canPWM(uint8_t port, uint8_t pin, pwmtimer_t *t);
int startPWM(uint8_t port, uint8_t pin);
void stopPWM(uint8_t port, uint8_t pin);
int setPWM(uint8_t port, uint8_t pin, uint8_t val);
int16_t getPWM(uint8_t port, uint8_t pin);