68 lines
1.3 KiB
C
68 lines
1.3 KiB
C
/**
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* @file drv_spi.h
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* @author 100ask development team
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* @brief
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* @version 0.1
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* @date 2022-06-16
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*
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* @copyright Copyright (c) 2022 Chongqing 100ASK Technology Co., LTD
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*
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*/
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#ifndef __DRV_SPI_H_
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#define __DRV_SPI_H_
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#include <rtthread.h>
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#include "rtdevice.h"
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#include <rthw.h>
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#include "drv_common.h"
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#include "drv_dma.h"
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rt_err_t rt_hw_spi_device_attach(const char *bus_name, const char *device_name, GPIO_TypeDef* cs_gpiox, uint16_t cs_gpio_pin);
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struct mm32_hw_spi_cs
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{
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GPIO_Type* GPIOx;
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uint16_t GPIO_Pin;
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};
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struct mm32_spi_config
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{
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SPI_Type *Instance;
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char *bus_name;
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struct dma_config *dma_rx, *dma_tx;
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};
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struct stm32_spi_device
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{
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rt_uint32_t pin;
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char *bus_name;
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char *device_name;
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};
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#define SPI_USING_RX_DMA_FLAG (1<<0)
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#define SPI_USING_TX_DMA_FLAG (1<<1)
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/* stm32 spi dirver class */
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struct mm32_spi
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{
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SPI_Master_Init_Type handle;
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struct mm32_spi_config *config;
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struct rt_spi_configuration *cfg;
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struct
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{
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rt_uint16_t rx_buf_len;
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rt_uint8_t *rx_buf;
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DMA_Channel_Init_Type handle_rx;
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rt_uint16_t tx_buf_len;
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rt_uint8_t *tx_buf;
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DMA_Channel_Init_Type handle_tx;
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} dma;
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rt_uint8_t spi_dma_flag;
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struct rt_spi_bus spi_bus;
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};
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#endif /* __DRV_SPI_H_ */
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