56 lines
1.6 KiB
C
56 lines
1.6 KiB
C
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/*
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* Copyright (c) 2006-2023, 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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* 2023-04-14 Wangyuqiang the first version
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*/
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#ifndef DRV_SOFT_SPI_H_
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#define DRV_SOFT_SPI_H_
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#include <rtdevice.h>
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#include <spi-bit-ops.h>
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/* lpc soft spi config */
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struct lpc_soft_spi_config
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{
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rt_uint8_t sck;
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rt_uint8_t mosi;
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rt_uint8_t miso;
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const char *bus_name;
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};
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/* lpc soft spi dirver */
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struct lpc_soft_spi
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{
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struct rt_spi_bit_obj spi;
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struct lpc_soft_spi_config *cfg;
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};
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#ifdef BSP_USING_SOFT_SPI1
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#define SOFT_SPI1_BUS_CONFIG \
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{ \
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.sck = BSP_S_SPI1_SCK_PIN, \
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.mosi = BSP_S_SPI1_MOSI_PIN, \
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.miso = BSP_S_SPI1_MISO_PIN, \
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.bus_name = "sspi1", \
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}
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#endif /* BSP_USING_SOFT_SPI1 */
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#ifdef BSP_USING_SOFT_SPI2
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#define SOFT_SPI2_BUS_CONFIG \
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{ \
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.sck = BSP_S_SPI2_SCK_PIN, \
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.mosi = BSP_S_SPI2_MOSI_PIN, \
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.miso = BSP_S_SPI2_MISO_PIN, \
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.bus_name = "sspi2", \
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}
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#endif /* BSP_USING_SOFT_SPI2 */
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rt_err_t rt_hw_softspi_device_attach(const char *bus_name, const char *device_name, rt_base_t cs_pin);
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int rt_soft_spi_init(void);
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#endif /* __DRV_SOFT_SPI__ */
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