mirror of
https://github.com/Ai-Thinker-Open/Ai-Thinker-Open_RTL8710BX_ALIOS_SDK.git
synced 2025-03-19 19:22:55 +00:00
81 lines
2.1 KiB
C
81 lines
2.1 KiB
C
|
/*
|
||
|
|
* Copyright (C) 2015-2017 Alibaba Group Holding Limited
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef HAL_SPI_H
|
||
|
|
#define HAL_SPI_H
|
||
|
|
|
||
|
|
#define HAL_SPI_MODE_MASTER 1 /* spi communication is master mode */
|
||
|
|
#define HAL_SPI_MODE_SLAVE 2 /* spi communication is slave mode */
|
||
|
|
|
||
|
|
typedef struct {
|
||
|
|
uint32_t mode; /* spi communication mode */
|
||
|
|
uint32_t freq; /* communication frequency Hz */
|
||
|
|
} spi_config_t;
|
||
|
|
|
||
|
|
typedef struct {
|
||
|
|
uint8_t port; /* spi port */
|
||
|
|
spi_config_t config; /* spi config */
|
||
|
|
void *priv; /* priv data */
|
||
|
|
} spi_dev_t;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Initialises the SPI interface for a given SPI device
|
||
|
|
*
|
||
|
|
* @param[in] spi the spi device
|
||
|
|
*
|
||
|
|
* @return 0 : on success, EIO : if the SPI device could not be initialised
|
||
|
|
*/
|
||
|
|
int32_t hal_spi_init(spi_dev_t *spi);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Spi send
|
||
|
|
*
|
||
|
|
* @param[in] spi the spi device
|
||
|
|
* @param[in] data spi send data
|
||
|
|
* @param[in] size spi send data size
|
||
|
|
* @param[in] timeout timeout in ms
|
||
|
|
*
|
||
|
|
* @return 0 : on success, EIO : if the SPI device could not be initialised
|
||
|
|
*/
|
||
|
|
int32_t hal_spi_send(spi_dev_t *spi, const uint8_t *data, uint16_t size, uint32_t timeout);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* spi_recv
|
||
|
|
*
|
||
|
|
* @param[in] spi the spi device
|
||
|
|
* @param[out] data spi recv data
|
||
|
|
* @param[in] size spi recv data size
|
||
|
|
* @param[in] timeout timeout in ms
|
||
|
|
*
|
||
|
|
* @return 0 : on success, EIO : if the SPI device could not be initialised
|
||
|
|
*/
|
||
|
|
int32_t hal_spi_recv(spi_dev_t *spi, uint8_t *data, uint16_t size, uint32_t timeout);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* spi send data and recv
|
||
|
|
*
|
||
|
|
* @param[in] spi the spi device
|
||
|
|
* @param[in] tx_data spi send data
|
||
|
|
* @param[in] rx_data spi recv data
|
||
|
|
* @param[in] size spi data to be sent and recived
|
||
|
|
* @param[in] timeout timeout in ms
|
||
|
|
*
|
||
|
|
* @return 0, on success; EIO : if the SPI device could not be initialised
|
||
|
|
*/
|
||
|
|
int32_t hal_spi_send_recv(spi_dev_t *spi, uint8_t *tx_data, uint8_t *rx_data,
|
||
|
|
uint16_t size, uint32_t timeout);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* De-initialises a SPI interface
|
||
|
|
*
|
||
|
|
*
|
||
|
|
* @param[in] spi the SPI device to be de-initialised
|
||
|
|
*
|
||
|
|
* @return 0 : on success, EIO : if an error occurred
|
||
|
|
*/
|
||
|
|
int32_t hal_spi_finalize(spi_dev_t *spi);
|
||
|
|
|
||
|
|
#endif /* HAL_SPI_H */
|
||
|
|
|