#ifndef STM32F3_HAL_SECCAN_H #define STM32F3_HAL_SECCAN_H #include int init_can(void); int init_adc(void); int init_pwm(void); int write_can(uint32_t addr, uint8_t *data, int len); int read_can(uint8_t *data, uint32_t *addr, int len); int read_adc(uint16_t *val); void change_pwm(uint16_t duty_cycle); #endif