FaSTTUBe/mv-bms
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V1.0

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hamza
2024-07-04 18:07:32 +03:00
parent 7a4494f5ef
commit 537641a53a
3 changed files with 32 additions and 12 deletions
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32
Core/Src/PWM_control.c
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@ -1,4 +1,6 @@
#include "PWM_control.h"
#include "stm32f3xx_hal.h"
#include <stdint.h>
uint8_t battery_cooling_status;
//uint32_t powerground1_CCR, powerground2_CCR, battery_cooling_CCR;
@ -13,29 +15,49 @@ TIM_HandleTypeDef* powerground, *battery_cooling;
void PWM_control_init(TIM_HandleTypeDef* pg, TIM_HandleTypeDef* bat_cool){
powerground_status = 0;
battery_cooling_status = 0;
powerground = pg;
battery_cooling = bat_cool;
HAL_TIM_PWM_Start(pg, TIM_CHANNEL_1); //TIM15CH1
HAL_TIM_PWM_Start(pg, TIM_CHANNEL_2); //TIM15CH2
HAL_TIM_PWM_Start(bat_cool, TIM_CHANNEL_3); //TIM1CH3
powerground = pg;
battery_cooling = bat_cool;
__HAL_TIM_SET_COMPARE(powerground, TIM_CHANNEL_1, 2000);
__HAL_TIM_SET_COMPARE(powerground, TIM_CHANNEL_2, 2000);
__HAL_TIM_SET_COMPARE(powerground, TIM_CHANNEL_1, 0);
__HAL_TIM_SET_COMPARE(powerground, TIM_CHANNEL_2, 0);
//PWM_powerground_control(0);
//__HAL_TIM_SET_COMPARE(battery_cooling, TIM_CHANNEL_3, 2000);
}
/*
controls the duty cycle of the fans by setting the CCR of the channel percent/100 = x/ARR
DUTYCYCLE = 40000 * X/100
*/
void PWM_powerground_control(uint8_t percent){
if (percent > 100) //something went wrong
return;
powerground_status = percent;
int ccr = 2000 + ((2000) * (percent/100.0));
__HAL_TIM_SET_COMPARE(powerground, TIM_CHANNEL_1, ccr);
__HAL_TIM_SET_COMPARE(powerground, TIM_CHANNEL_2, 2000 + ((2000) * (percent/100.0)));
__HAL_TIM_SET_COMPARE(powerground, TIM_CHANNEL_2, ccr);
//TIM15->CCR1 = (TIM15->ARR*POWERGROUND_MAX_DUTY_CYCLE-TIM15->ARR*POWERGROUND_MIN_DUTY_CYCLE) * (percent/100.0) + TIM15->ARR*POWERGROUND_MIN_DUTY_CYCLE;
}
void PWM_set_throttle(){
uint32_t timestamp = HAL_GetTick() + 5000;
while (timestamp > HAL_GetTick()) {}
__HAL_TIM_SET_COMPARE(powerground, TIM_CHANNEL_1, 4000);
__HAL_TIM_SET_COMPARE(powerground, TIM_CHANNEL_2, 4000);
timestamp = HAL_GetTick() + 2000;
while (timestamp > HAL_GetTick()) {}
__HAL_TIM_SET_COMPARE(powerground, TIM_CHANNEL_1, 2000);
__HAL_TIM_SET_COMPARE(powerground, TIM_CHANNEL_2, 2000);
timestamp = HAL_GetTick() + 1000;
while (timestamp > HAL_GetTick()) {}
}
void PWM_battery_cooling_control(uint8_t percent){}