#ifndef INC_PWM_CONTROL_H_ #define INC_PWM_CONTROL_H_ #include "stm32f3xx_hal.h" #include "ADBMS_LL_Driver.h" #include "main.h" /* The PWM period (1/FPWM) is defined by the following parameters: ARR value, the Prescaler value, and the internal clock itself which drives the timer module FCLK. F_PWM = (F_CLK)/((ARR + 1) * (PSC + 1)) F_CLK = 16 MHz POWERGROUND ESC Signal: pulse every 20 ms, 1 ms = 0%, 2 ms = 100% FREQ = 50 Hz -> 16 MHz/50 Hz = 320000 = ((9999 + 1) * (31 + 1)) DUTY CYCLE = 1/20 -> 0%, DUTY CYCLE = 2/20 -> 100% CCR * DUTY_CYCLE CCR: 1/20 -> 500, 2/20 -> 1000 */ #define POWERGROUND_FREQ 50 #define POWERGROUND_MAX_DUTY_CYCLE 0.1 #define POWERGROUND_MIN_DUTY_CYCLE 0.05 //#define BATTERY_COOLING_FREQ 20000 void PWM_control_init(TIM_HandleTypeDef powerground1, TIM_HandleTypeDef powerground2, TIM_HandleTypeDef battery_cooling); void PWM_powerground_control(uint8_t percent); void PWM_battery_cooling_control(uint8_t percent); #endif /* INC_CHANNEL_CONTROL_H_ */