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/*
* ===========================================================================================
*
* Filename: sunxi_drv_spi.h
*
* Description: sunxi_driver headfile.
*
* Version: Melis3.0
* Create: 2019-11-14 17:47:21
* Revision: none
* Compiler: GCC:version 9.2.1 20170904 (release),ARM/embedded-7-branch revision 25520
*
* Author: [email protected]
* Organization: SWC-BPD
* Last Modified: 2019-11-15 13:19:52
*
* ===========================================================================================
*/
#ifndef SUNXI_DRV_SPI_H
#define SUNXI_DRV_SPI_H
#ifdef __cplusplus
extern "C"
{
#endif
#include <sunxi_hal_spi.h>
#include <rtthread.h>
typedef struct sunxi_driver_spi
{
struct rt_device base;
int32_t dev_id;
const void *hal_drv;
} sunxi_driver_spi_t;
#if 0
typedef enum
{
SPI_WRITE_READ = 0, /**< SPI master is busy. */
SPI_CONFIG = 1 /**< SPI master is idle. */
} hal_spi_transfer_cmd_t;
typedef struct
{
const uint8_t *tx_buf; /**< Data buffer to send, */
uint32_t tx_len; /**< The total number of bytes to send. */
uint32_t
tx_single_len; /**< The number of bytes to send in single mode. */
uint8_t *rx_buf; /**< Received data buffer, */
uint32_t rx_len; /**< The valid number of bytes received. */
uint8_t tx_nbits : 3; /**< Data buffer to send in nbits mode */
uint8_t rx_nbits : 3; /**< Data buffer to received in nbits mode */
uint8_t dummy_byte; /**< Flash send dummy byte, default 0*/
#define SPI_NBITS_SINGLE 0x01 /* 1bit transfer */
#define SPI_NBITS_DUAL 0x02 /* 2bit transfer */
#define SPI_NBITS_QUAD 0x04 /* 4bit transfer */
uint8_t bits_per_word; /**< transfer bit_per_word */
} hal_spi_master_transfer_t;
#endif
typedef struct sunxi_hal_driver_spi
{
spi_master_status_t (*initialize)(hal_spi_master_port_t port);
spi_master_status_t (*uninitialize)(hal_spi_master_port_t port);
spi_master_status_t (*send)(hal_spi_master_port_t port,
const void *buf, uint32_t size);
spi_master_status_t (*receive)(hal_spi_master_port_t port,
void *buf, uint32_t size);
spi_master_status_t (*hw_config)(hal_spi_master_port_t port, hal_spi_master_config_t *spi_config);
spi_master_status_t (*transfer)(hal_spi_master_port_t port, hal_spi_master_transfer_t *transfer);
} const sunxi_hal_driver_spi_t;
#ifdef __cplusplus
}
#endif
#endif
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