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