usart_priv.h

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#ifndef __PHAL_G4_USART_PRIV_H__
#define __PHAL_G4_USART_PRIV_H__
 
#include <sys/types.h> // ssize_t
 
#include "common/phal_G4/dma/dma.h"
#include "stm32g474xx.h"
#include "common/phal_G4/usart/usart.h" // PHAL_USART_Idx_t
 
typedef struct {
    volatile uint32_t *rcc_enable_rg;   
    uint32_t rcc_enable_msk;            
    volatile uint32_t *rcc_reset_rg;    
    uint32_t rcc_reset_msk;             
    USART_TypeDef *periph;              
    IRQn_Type irq;                      
    const PHAL_DMA_Wiring_t *tx_wiring; 
    const PHAL_DMA_Wiring_t *rx_wiring; 
} PHAL_USART_HwMap_t;
 
USART_TypeDef *PHAL_USART_priv_periph(PHAL_USART_Idx_t periph_idx);
 
void PHAL_USART_priv_configure(PHAL_USART_Idx_t periph_idx, uint32_t baud_rate, uint32_t clock_rate);
 
void PHAL_USART_priv_buildDma(PHAL_USART_Idx_t periph_idx, PHAL_DMA_Handle_t *tx_dma, PHAL_DMA_Handle_t *rx_dma);
 
void PHAL_USART_priv_startTx(USART_TypeDef *periph);
 
void PHAL_USART_priv_finishTx(USART_TypeDef *periph);
 
bool PHAL_USART_priv_txCompleteActive(USART_TypeDef *periph);
 
void PHAL_USART_priv_startRx(USART_TypeDef *periph);
 
void PHAL_USART_priv_stopRx(USART_TypeDef *periph);
 
void PHAL_USART_priv_flushRx(USART_TypeDef *periph);
 
bool PHAL_USART_priv_idleActive(const USART_TypeDef *periph);
 
void PHAL_USART_priv_clearIdle(USART_TypeDef *periph);
 
void PHAL_USART_priv_enableIrq(PHAL_USART_Idx_t periph_idx);
 
#endif // __PHAL_G4_USART_PRIV_H__