rt-thread-stm32f072/libraries/HAL_Drivers/drv_spi.h

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2022-10-30 15:41:02 +08:00
/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2018-11-5 SummerGift first version
*/
#ifndef __DRV_SPI_H__
#define __DRV_SPI_H__
#include <rtthread.h>
#include "rtdevice.h"
#include <rthw.h>
#include <drv_common.h>
#include "drv_dma.h"
#include <ipc/completion.h>
#ifdef __cplusplus
extern "C" {
#endif
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);
#ifdef __cplusplus
}
#endif
struct stm32_hw_spi_cs
{
GPIO_TypeDef* GPIOx;
uint16_t GPIO_Pin;
};
struct stm32_spi_config
{
SPI_TypeDef *Instance;
char *bus_name;
IRQn_Type irq_type;
struct dma_config *dma_rx, *dma_tx;
};
struct stm32_spi_device
{
rt_uint32_t pin;
char *bus_name;
char *device_name;
};
#define SPI_USING_RX_DMA_FLAG (1<<0)
#define SPI_USING_TX_DMA_FLAG (1<<1)
/* stm32 spi dirver class */
struct stm32_spi
{
SPI_HandleTypeDef handle;
struct stm32_spi_config *config;
struct rt_spi_configuration *cfg;
struct
{
DMA_HandleTypeDef handle_rx;
DMA_HandleTypeDef handle_tx;
} dma;
rt_uint8_t spi_dma_flag;
struct rt_spi_bus spi_bus;
struct rt_completion cpt;
};
#endif /*__DRV_SPI_H__ */