hal_spi.h File Reference

#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>
#include "hal_gpio.h"

Include dependency graph for hal_spi.h:

Data Structures
struct	spi_channel_attr_t
struct	spi_handle_t

Enumerations
enum	spi_result_t {   SPI_RESULT_OK ,   SPI_RESULT_INVALID ,   SPI_RESULT_UNSUPPORTED ,   SPI_RESULT_TIMEOUT ,   SPI_RESULT_IDLE ,   SPI_RESULT_BUSY ,   SPI_RESULT_ERR ,   TOTAL_SPI_RESULT }
enum	spi_status_t {   SPI_STATUS_UNKNOWN ,   SPI_STATUS_OK ,   SPI_STATUS_BUSY ,   SPI_STATUS_STOP ,   SPI_STATUS_SENDING ,   SPI_STATUS_RECEIVING ,   SPI_STATUS_ERR ,   TOTAL_SPI_STATUS }
enum	spi_mode_t {   SPI_MODE_MASTER ,   SPI_MODE_SLAVE ,   TOTAL_SPI_MODE }
enum	spi_direction_t {   SPI_DIRECTION_MSB_FIRST ,   SPI_DIRECTION_LSB_FIRST ,   TOTAL_SPI_DIRECTION }

Functions
spi_result_t	hal_spi_init (spi_handle_t *handle, const spi_channel_attr_t attr)
	Configure SPI channel with specific attributes.
spi_result_t	hal_spi_write (spi_handle_t *handle, const uint8_t *tx_buffer, const size_t len)
	Write data to SPI bus.
spi_result_t	hal_spi_read (spi_handle_t *handle, uint8_t *rx_buffer, const size_t len)
	Read data from SPI bus.
spi_result_t	hal_spi_read_write (spi_handle_t *handle, const uint8_t *tx_buffer, uint8_t *rx_buffer, const size_t len)
	Simultaneous read and write operation.
spi_result_t	hal_spi_stop (spi_handle_t *handle)
	Stop SPI operation.
spi_result_t	hal_spi_mutex_take (const uint8_t channel, const uint32_t timeout_ms)
	Try acquire RTOS mutex for specified channel.
spi_result_t	hal_spi_mutex_give (const uint8_t channel)
	Release RTOS mutex for specified channel.