/* * 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. * 2018-03-30 misonyo porting to gd32f30x */ #include #include #include #include "spi_flash.h" #include "spi_flash_sfud.h" #define SPI_BUS_NAME "spi0" #define SPI_DEVICE_NAME "spi01" #define SPI_FLASH_DEVICE_NAME "gd25q" #define GD25Q_SPI_CS_PIN 2 //PE3,在 drv_gpio.c 文件 pin_index pins[]中查到 PE3 编号为 2 static int rt_hw_gd25q40_init(void) { rt_err_t res; static struct rt_spi_device spi_dev_gd25q; /* SPI设备对象 */ static rt_base_t gd25q_cs_pin; /* SPI设备CS片选引脚 */ gd25q_cs_pin = GD25Q_SPI_CS_PIN; rt_pin_mode(GD25Q_SPI_CS_PIN, GPIO_MODE_OUT_PP); res = rt_spi_bus_attach_device(&spi_dev_gd25q, SPI_DEVICE_NAME, SPI_BUS_NAME, (void*)gd25q_cs_pin); if (res != RT_EOK) { rt_kprintf("rt_spi_bus_attach_device() run failed!\n"); return res; } return RT_EOK; } INIT_DEVICE_EXPORT(rt_hw_gd25q40_init); static int rt_hw_spi_flash_with_sfud_init(void) { if (RT_NULL == rt_sfud_flash_probe(SPI_FLASH_DEVICE_NAME, SPI_DEVICE_NAME)) { return RT_ERROR; } return RT_EOK; } INIT_COMPONENT_EXPORT(rt_hw_spi_flash_with_sfud_init); #ifdef RT_USING_DFS #include int mnt_init(void) { if (dfs_mount(SPI_FLASH_DEVICE_NAME, "/", "elm", 0, 0) == 0) { rt_kprintf("spi flash mount success !\n"); } else { rt_kprintf("spi flash mount failed!\n"); } return 0; } MSH_CMD_EXPORT(mnt_init, mount spi flash to file system); #endif