63 lines
1.2 KiB
C
63 lines
1.2 KiB
C
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/*
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* Copyright (c) 2006-2018, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2018-11-5 SummerGift first version
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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 stm32_hw_spi_cs
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{
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GPIO_TypeDef* GPIOx;
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uint16_t GPIO_Pin;
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};
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struct stm32_spi_config
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{
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SPI_TypeDef *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 stm32_spi
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{
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SPI_HandleTypeDef handle;
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struct stm32_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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DMA_HandleTypeDef handle_rx;
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DMA_HandleTypeDef 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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