70 lines
2.0 KiB
C
70 lines
2.0 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2006-2023, RT-Thread Development Team
|
||
|
|
*
|
||
|
|
* SPDX-License-Identifier: Apache-2.0
|
||
|
|
*
|
||
|
|
* Change Logs:
|
||
|
|
* Date Author Notes
|
||
|
|
* 2023-04-14 Wangyuqiang the first version
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef DRV_SOFT_SPI_H_
|
||
|
|
#define DRV_SOFT_SPI_H_
|
||
|
|
|
||
|
|
#include <rthw.h>
|
||
|
|
#include <rtdevice.h>
|
||
|
|
#include <spi-bit-ops.h>
|
||
|
|
#include <drv_pin.h>
|
||
|
|
|
||
|
|
/* Notice: PIO1_11(sck) --> 93; PIO0_15(miso) --> 22; PIO1_8(mosi) --> 24 */
|
||
|
|
|
||
|
|
#define BSP_S_SPI1_SCK_PIN GET_PINS(1,11)
|
||
|
|
#define BSP_S_SPI1_MISO_PIN GET_PINS(0,15)
|
||
|
|
#define BSP_S_SPI1_MOSI_PIN GET_PINS(1,8)
|
||
|
|
|
||
|
|
/* Notice: PIO1_9(sck) --> 10; PIO0_18(miso) --> 56; PIO1_10(mosi) --> 40 */
|
||
|
|
|
||
|
|
#define BSP_S_SPI2_SCK_PIN GET_PINS(1,9)
|
||
|
|
#define BSP_S_SPI2_MISO_PIN GET_PINS(0,18)
|
||
|
|
#define BSP_S_SPI2_MOSI_PIN GET_PINS(1,10)
|
||
|
|
|
||
|
|
/* lpc soft spi config */
|
||
|
|
struct lpc_soft_spi_config
|
||
|
|
{
|
||
|
|
rt_uint8_t sck;
|
||
|
|
rt_uint8_t mosi;
|
||
|
|
rt_uint8_t miso;
|
||
|
|
const char *bus_name;
|
||
|
|
};
|
||
|
|
|
||
|
|
/* lpc soft spi dirver */
|
||
|
|
struct lpc_soft_spi
|
||
|
|
{
|
||
|
|
struct rt_spi_bit_obj spi;
|
||
|
|
struct lpc_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__ */
|