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/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2022-6-14 solar first version
*/
#ifndef __DRV_SOFT_SPI__
#define __DRV_SOFT_SPI__
#include <rthw.h>
#include <rtdevice.h>
#include <spi-bit-ops.h>
/* stm32 soft spi config */
struct stm32_soft_spi_config
{
rt_uint8_t sck;
rt_uint8_t mosi;
rt_uint8_t miso;
const char *bus_name;
};
/* stm32 soft spi dirver */
struct stm32_soft_spi
{
struct rt_spi_bit_obj spi;
struct stm32_soft_spi_config *cfg;
};
#ifdef BSP_USING_SOFT_SPI1
#define SOFT_SPI1_BUS_CONFIG \
{ \
.sck = BSP_S_SPI1_SCK_PIN, \
.mosi = BSP_S_SPI1_MOSI_PIN, \
.miso = BSP_S_SPI1_MISO_PIN, \
.bus_name = "sspi1", \
}
#endif /* BSP_USING_SOFT_SPI1 */
#ifdef BSP_USING_SOFT_SPI2
#define SOFT_SPI2_BUS_CONFIG \
{ \
.sck = BSP_S_SPI2_SCK_PIN, \
.mosi = BSP_S_SPI2_MOSI_PIN, \
.miso = BSP_S_SPI2_MISO_PIN, \
.bus_name = "sspi2", \
}
#endif /* BSP_USING_SOFT_SPI2 */
rt_err_t rt_hw_softspi_device_attach(const char *bus_name, const char *device_name, rt_base_t cs_pin);
int rt_soft_spi_init(void);
#endif /* __DRV_SOFT_SPI__ */
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