rt-thread-official/bsp/n32/libraries/n32_drivers/drv_spi.h

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2022-07-13 19:56:14 +08:00
/*****************************************************************************
* Copyright (c) 2019, Nations Technologies Inc.
*
* All rights reserved.
* ****************************************************************************
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the disclaimer below.
*
* Nations' name may not be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY NATIONS "AS IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
* DISCLAIMED. IN NO EVENT SHALL NATIONS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* ****************************************************************************/
/**
* @file drv_spi.h
* @author Nations
* @version v1.0.0
*
* @copyright Copyright (c) 2019, Nations Technologies Inc. All rights reserved.
*/
#ifndef __DRV_SPI_H__
#define __DRV_SPI_H__
#include <rthw.h>
#include <rtthread.h>
#include <board.h>
struct n32_spi_cs
{
GPIO_Module* GPIOx;
uint32_t GPIO_Pin;
};
#ifdef BSP_USING_SPI1
#define SPI1_SCK_PIN GPIO_PIN_5 /* PA.05 */
#define SPI1_SCK_GPIO_PORT GPIOA /* GPIOA */
#define SPI1_SCK_GPIO_CLK RCC_APB2_PERIPH_GPIOA
#define SPI1_MISO_PIN GPIO_PIN_6 /* PA.06 */
#define SPI1_MISO_GPIO_PORT GPIOA /* GPIOA */
#define SPI1_MISO_GPIO_CLK RCC_APB2_PERIPH_GPIOA
#define SPI1_MOSI_PIN GPIO_PIN_7 /* PA.07 */
#define SPI1_MOSI_GPIO_PORT GPIOA /* GPIOA */
#define SPI1_MOSI_GPIO_CLK RCC_APB2_PERIPH_GPIOA
#endif /* RT_USING_SPI1 */
#ifdef BSP_USING_SPI2
#define SPI2_SCK_PIN GPIO_PIN_13 /* PB.13 */
#define SPI2_SCK_GPIO_PORT GPIOB /* GPIOB */
#define SPI2_SCK_GPIO_CLK RCC_APB2_PERIPH_GPIOB
#define SPI2_MISO_PIN GPIO_PIN_14 /* PB.14 */
#define SPI2_MISO_GPIO_PORT GPIOB /* GPIOB */
#define SPI2_MISO_GPIO_CLK RCC_APB2_PERIPH_GPIOB
#define SPI2_MOSI_PIN GPIO_PIN_15 /* PB.15 */
#define SPI2_MOSI_GPIO_PORT GPIOB /* GPIOB */
#define SPI2_MOSI_GPIO_CLK RCC_APB2_PERIPH_GPIOB
#endif /* RT_USING_SPI2 */
#ifdef BSP_USING_SPI3
#define SPI3_SCK_PIN GPIO_PIN_3 /* PB.03 */
#define SPI3_SCK_GPIO_PORT GPIOB /* GPIOB */
#define SPI3_SCK_GPIO_CLK RCC_APB2_PERIPH_GPIOB
#define SPI3_MISO_PIN GPIO_PIN_4 /* PB.04 */
#define SPI3_MISO_GPIO_PORT GPIOB /* GPIOB */
#define SPI3_MISO_GPIO_CLK RCC_APB2_PERIPH_GPIOB
#define SPI3_MOSI_PIN GPIO_PIN_5 /* PB.05 */
#define SPI3_MOSI_GPIO_PORT GPIOB /* GPIOB */
#define SPI3_MOSI_GPIO_CLK RCC_APB2_PERIPH_GPIOB
#endif /* RT_USING_SPI3 */
int rt_hw_spi_init(void);
#endif /* __DRV_SPI_H__ */