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start adding PWM

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This commit is contained in:
Edward Emelianov
2026-03-15 02:24:58 +03:00
parent 27eb723d80
commit 61262435a8
9 changed files with 175 additions and 22 deletions
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12
F0:F030,F042,F072/usbcan_gpio/gpio.h
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@@ -19,6 +19,7 @@
#pragma once
#include <stdint.h>
#include <stm32f0.h>
#ifdef EBUG
#define USBIF IGPIO
@@ -90,6 +91,15 @@ typedef struct{
uint16_t threshold; // threshold for ADC measurement
} pinconfig_t;
// Timers for PWM
typedef struct{
volatile TIM_TypeDef *tim; // timer
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;
/*
typedef struct{
uint32_t speed;
@@ -111,3 +121,5 @@ int gpio_reinit();
int pin_out(uint8_t port, uint8_t pin, uint8_t newval);
int16_t pin_in(uint8_t port, uint8_t pin);
uint16_t gpio_alert(uint8_t port);
int canPWM(uint8_t port, uint8_t pin, pwmtimer_t *t);