88 lines
2.2 KiB
C
88 lines
2.2 KiB
C
/*
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* File : stm32f20x_40x_spi.c
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2009 RT-Thread Develop Team
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rt-thread.org/license/LICENSE
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*
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* Change Logs:
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* Date Author Notes
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* 2012-01-01 aozima first implementation.
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* 2012-07-27 aozima fixed variable uninitialized.
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*/
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#include <board.h>
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#include "drv_spi.h"
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#include "spi_flash.h"
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#include "spi_flash_sfud.h"
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#include <rthw.h>
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#include <finsh.h>
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static int rt_hw_spi5_init(void)
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{
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/* register spi bus */
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{
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GPIO_InitTypeDef GPIO_InitStructure;
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rt_err_t result;
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__HAL_RCC_GPIOF_CLK_ENABLE();
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GPIO_InitStructure.Alternate = GPIO_AF5_SPI5;
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GPIO_InitStructure.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStructure.Pull = GPIO_PULLUP;
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GPIO_InitStructure.Speed = GPIO_SPEED_FAST;
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GPIO_InitStructure.Pin = GPIO_PIN_7 | GPIO_PIN_8 | GPIO_PIN_9;
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HAL_GPIO_Init(GPIOF, &GPIO_InitStructure);
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result = stm32_spi_bus_register(SPI5, "spi5");
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if (result != RT_EOK)
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{
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return result;
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}
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}
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/* attach cs */
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{
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static struct rt_spi_device spi_device;
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static struct stm32_spi_cs spi_cs;
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rt_err_t result;
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GPIO_InitTypeDef GPIO_InitStructure;
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GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_InitStructure.Pull = GPIO_PULLUP;
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GPIO_InitStructure.Speed = GPIO_SPEED_FAST;
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spi_cs.GPIOx = GPIOF;
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spi_cs.GPIO_Pin = GPIO_PIN_6;
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//__HAL_RCC_GPIOF_CLK_ENABLE();
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GPIO_InitStructure.Pin = spi_cs.GPIO_Pin;
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HAL_GPIO_WritePin(spi_cs.GPIOx, spi_cs.GPIO_Pin, GPIO_PIN_SET);
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HAL_GPIO_Init(spi_cs.GPIOx, &GPIO_InitStructure);
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result = rt_spi_bus_attach_device(&spi_device, "spi50", "spi5", (void*)&spi_cs);
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if (result != RT_EOK)
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{
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return result;
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}
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}
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return RT_EOK;
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}
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INIT_DEVICE_EXPORT(rt_hw_spi5_init);
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static int rt_hw_spi_flash_with_sfud_init(void)
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{
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if (RT_NULL == rt_sfud_flash_probe("W25Q256", "spi50"))
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{
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return RT_ERROR;
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};
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return RT_EOK;
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}
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INIT_COMPONENT_EXPORT(rt_hw_spi_flash_with_sfud_init)
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