flipperzero-firmware/firmware/targets/f4/api-hal/api-hal-pwm.c
coreglitch c1c069e95f
F2 F3 deprecate (#267)
* move f3-1 to f4, remove f3
* remove f2
* remove firmware F3 for pipeline
* remove patch for F4 makefile
* fix fw makefile
* migrate bootloader to f4
2020-12-14 19:36:07 +03:00

57 lines
2.1 KiB
C

#include "api-hal-pwm.h"
void hal_pwm_set(float value, float freq, TIM_HandleTypeDef* tim, uint32_t channel) {
tim->Init.CounterMode = TIM_COUNTERMODE_UP;
tim->Init.Period = (uint32_t)((SystemCoreClock / (tim->Init.Prescaler + 1)) / freq);
tim->Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
tim->Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
HAL_TIM_PWM_Init(tim);
TIM_OC_InitTypeDef sConfigOC;
sConfigOC.OCMode = TIM_OCMODE_PWM1;
sConfigOC.Pulse = (uint16_t)(tim->Init.Period * value);
sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
sConfigOC.OCNPolarity = TIM_OCNPOLARITY_HIGH;
sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
sConfigOC.OCIdleState = TIM_OCIDLESTATE_RESET;
sConfigOC.OCNIdleState = TIM_OCNIDLESTATE_RESET;
HAL_TIM_PWM_ConfigChannel(tim, &sConfigOC, channel);
HAL_TIM_PWM_Start(tim, channel);
}
void hal_pwmn_set(float value, float freq, TIM_HandleTypeDef* tim, uint32_t channel) {
tim->Init.CounterMode = TIM_COUNTERMODE_UP;
tim->Init.Period = (uint32_t)((SystemCoreClock / (tim->Init.Prescaler + 1)) / freq - 1);
tim->Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
tim->Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
HAL_TIM_PWM_Init(tim);
TIM_OC_InitTypeDef sConfigOC;
sConfigOC.OCMode = TIM_OCMODE_PWM1;
sConfigOC.Pulse = (uint16_t)(tim->Init.Period * value);
sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
sConfigOC.OCNPolarity = TIM_OCNPOLARITY_HIGH;
sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
sConfigOC.OCIdleState = TIM_OCIDLESTATE_RESET;
sConfigOC.OCNIdleState = TIM_OCNIDLESTATE_RESET;
HAL_TIM_PWM_ConfigChannel(tim, &sConfigOC, channel);
HAL_TIMEx_PWMN_Start(tim, channel);
}
void hal_pwm_stop(TIM_HandleTypeDef* tim, uint32_t channel) {
HAL_TIM_PWM_Stop(tim, channel);
}
void hal_pwmn_stop(TIM_HandleTypeDef* tim, uint32_t channel) {
HAL_TIMEx_PWMN_Stop(tim, channel);
}
void irda_pwm_set(float value, float freq){
hal_pwmn_set(value, freq, &IRDA_TX_TIM, IRDA_TX_CH);
}
void irda_pwm_stop(){
hal_pwmn_stop(&IRDA_TX_TIM, IRDA_TX_CH);
}