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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: bantao@allwinnertech.com
- * 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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