usart.h

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#ifndef __PHAL_G4_USART_H__
#define __PHAL_G4_USART_H__
 
#include "stm32g474xx.h"
 
typedef enum {
    USART1_IDX = 0,
    USART2_IDX = 1,
    USART3_IDX = 2,
    NUM_USART
} PHAL_USART_Idx_t;
 
bool PHAL_USART_init(PHAL_USART_Idx_t periph_idx, uint32_t baud_rate, const uint32_t clock_rate);
 
bool PHAL_USART_tx(PHAL_USART_Idx_t periph_idx, uint8_t *data, uint16_t len);
 
void PHAL_USART_rx(PHAL_USART_Idx_t periph_idx, uint8_t *data, uint16_t len, bool cont);
 
bool PHAL_USART_txBusy(PHAL_USART_Idx_t periph_idx);
 
uint16_t PHAL_USART_rxCount(PHAL_USART_Idx_t periph_idx);
 
bool PHAL_USART_txBlocking(PHAL_USART_Idx_t periph_idx, uint8_t *data, uint16_t len);
 
void PHAL_USART_rxBlocking(PHAL_USART_Idx_t periph_idx, uint8_t *data, uint16_t len);
 
extern void PHAL_USART_rxCallback(PHAL_USART_Idx_t periph_idx, uint16_t len);
 
#endif // __PHAL_G4_USART_H__