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/*
* File : stm32f20x_40x_spi.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2009 RT-Thread Develop Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rt-thread.org/license/LICENSE
*
* Change Logs:
* Date Author Notes
* 2012-01-01 aozima first implementation.
* 2012-07-27 aozima fixed variable uninitialized.
*/
#include <board.h>
#include "drv_spi.h"
#include "spi_flash.h"
#ifdef RT_USING_SFUD
#include "spi_flash_sfud.h"
#endif
#ifdef RT_USING_W25QXX
#include "spi_flash_w25qxx.h"
#endif
#include <rthw.h>
#include <finsh.h>
#if defined(RT_USING_SFUD) && defined(RT_USING_W25QXX)
#error "RT_USING_SFUD and RT_USING_W25QXX only need one"
#endif
#define SPI_BUS_NAME "spi1"
#define SPI_FLASH_DEVICE_NAME "spi10"
#define SPI_FLASH_CHIP "W25Q64"
static int rt_hw_spi1_init(void)
{
/* register spi bus */
{
GPIO_InitTypeDef GPIO_InitStructure;
rt_err_t result;
__HAL_RCC_GPIOB_CLK_ENABLE();
GPIO_InitStructure.Pin = GPIO_PIN_3|GPIO_PIN_4|GPIO_PIN_5;
GPIO_InitStructure.Mode = GPIO_MODE_AF_PP;
GPIO_InitStructure.Pull = GPIO_NOPULL;
GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStructure.Alternate = GPIO_AF5_SPI1;
HAL_GPIO_Init(GPIOB, &GPIO_InitStructure);
result = stm32_spi_bus_register(SPI1, SPI_BUS_NAME);
if (result != RT_EOK)
{
return result;
}
}
/* attach cs */
{
static struct rt_spi_device spi_device;
static struct stm32_spi_cs spi_cs;
rt_err_t result;
GPIO_InitTypeDef GPIO_InitStructure;
__HAL_RCC_GPIOD_CLK_ENABLE();
spi_cs.GPIOx = GPIOD;
spi_cs.GPIO_Pin = GPIO_PIN_13;
GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStructure.Pull = GPIO_PULLUP;
GPIO_InitStructure.Speed = GPIO_SPEED_FAST;
GPIO_InitStructure.Pin = spi_cs.GPIO_Pin;
HAL_GPIO_Init(spi_cs.GPIOx, &GPIO_InitStructure);
HAL_GPIO_WritePin(spi_cs.GPIOx, spi_cs.GPIO_Pin, GPIO_PIN_SET);
result = rt_spi_bus_attach_device(&spi_device, SPI_FLASH_DEVICE_NAME, SPI_BUS_NAME, (void*)&spi_cs);
if (result != RT_EOK)
{
return result;
}
}
return RT_EOK;
}
INIT_DEVICE_EXPORT(rt_hw_spi1_init);
#ifdef RT_USING_SFUD
static int rt_hw_spi_flash_with_sfud_init(void)
{
if (RT_NULL == rt_sfud_flash_probe(SPI_FLASH_CHIP, SPI_FLASH_DEVICE_NAME))
{
return RT_ERROR;
};
return RT_EOK;
}
INIT_COMPONENT_EXPORT(rt_hw_spi_flash_with_sfud_init)
#endif
#ifdef RT_USING_W25QXX
static int rt_hw_spi_flash_init(void)
{
return w25qxx_init(SPI_FLASH_CHIP, SPI_FLASH_DEVICE_NAME);
}
INIT_COMPONENT_EXPORT(rt_hw_spi_flash_init)
#endif
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