TT12-MCU/applications/w25q.c

/*
 * Copyright (c) 2006-2021, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2023-04-14     murmur       the first version
 */
#include <rtthread.h>

//#define LOG_TAG "flash"
//#define LOG_LVL  LOG_LVL_DBG
//#include <ulog.h>

#define DBG_TAG "w25q"
#define DBG_LVL DBG_LOG
#include <rtdbg.h>

#include "board.h"
#include <rtdevice.h>
#include "cfg/cfg.h"

int rt_hw_spi_flash_init(void)
{
//    rt_kprintf("SW Version: %s\n","1.4(temp)");
    __HAL_RCC_GPIOB_CLK_ENABLE();
//    __HAL_RCC_GPIOD_CLK_ENABLE();
//    rt_kprintf("sfud success.\n");
//    rt_tick_t t= rt_tick_get_millisecond();
    rt_hw_spi_device_attach("spi2", "spi10", GPIOB, GPIO_PIN_12);
//    rt_kprintf("sfud success.\n");
    if (RT_NULL == rt_sfud_flash_probe("W25Q128", "spi10"))
    {
        LOG_E("sfud error.");
        return -RT_ERROR;
    };
//    rt_kprintf("sfud success.\n");
    return RT_EOK;
}
/* 导出到自动初始化 */
INIT_COMPONENT_EXPORT(rt_hw_spi_flash_init);


void w25q128_mount(void)
{
//    dfs_mkfs("elm", "W25Q128");
    rt_device_t dev;
    dev = rt_device_find("W25Q128");
    if(dev != RT_NULL) {
    if(dfs_mount("W25Q128", "/", "elm", 0, 0) == 0){
//            rt_kprintf("spi_flash mount to spi!\n");
           mkdir("sd",0);
        } else {
            LOG_E("spi_flash mount to spi failed!");
        }
    }
}


/* 导出到自动初始化 */
INIT_COMPONENT_EXPORT(w25q128_mount);
//1.41版本之前挂载并未出现问题。
//1.41版出现flash能挂载而sd卡正确识别后却不能挂载的问题
//后发现是SD卡的挂载目录"sd"丢失，原因未知。


void sdmnt_init(void)
{
    rt_thread_mdelay(300);//这段延时必须加上，系统上电过程中存在延时，否则会出现先挂载后注册块设备sd0的情况
//    mkfs("elm","sd0");//挂在前需格式化
    if(dfs_mount("sd0","/sd","elm",0,0)==0) //挂载文件系统，参数：块设备名称、挂载目录、文件系统类型、读写标志、私有数据0
    {
//        rt_kprintf("dfs mount success\r\n");
    }
    else
    {
        LOG_E("dfs mount failed");
//        mkfs("elm","sd0");
    }
}
/* 导出到自动初始化 */
INIT_COMPONENT_EXPORT(sdmnt_init);

/**
 * 判断flash是否损坏
 */
void checkFlash()
{
    //间接判断。文件存在但大小为零则认为flash已损坏
    if (isFileExit("cfg.ini") && getFileSize("cfg.ini")==0 && isFileExit("map.geojson") && getFileSize("map.geojson")==0)
    {
        LOG_E("the flash is damaged, try formatting to fix.");
        dfs_mkfs("elm", "W25Q128");
        rt_hw_cpu_reset();
    }
}
/* 导出到自动初始化 */
INIT_COMPONENT_EXPORT(checkFlash);

void bootinfo()
{
    rt_kprintf("%d ms since boot.\n", rt_tick_get_millisecond());
//    add_val("bootCnt");
}
/* 导出到自动初始化 */
INIT_APP_EXPORT(bootinfo);

void sram_init(void)
{
    MX_FSMC_Init();
}
/* 导出到自动初始化 */
INIT_COMPONENT_EXPORT(sram_init);


static int sram_test(void)
{
    int i = 0;
    uint32_t start_time = 0, time_cast = 0;
#if SRAM_DATA_WIDTH == 8
    char data_width = 1;
    uint8_t data = 0;
#elif SRAM_DATA_WIDTH == 16
    char data_width = 2;
    uint16_t data = 0;
#else
    char data_width = 4;
    uint32_t data = 0;
#endif

    /* write data */
    LOG_D("Writing the %ld bytes data, waiting....", SRAM_SIZE);
    start_time = rt_tick_get();
    for (i = 0; i < SRAM_SIZE / data_width; i++)
    {
#if SRAM_DATA_WIDTH == 8
        *(__IO uint8_t *)(SRAM_BANK_ADDR + i * data_width) = (uint8_t)0x55;
#elif SRAM_DATA_WIDTH == 16
        *(__IO uint16_t *)(SRAM_BANK_ADDR + i * data_width) = (uint16_t)0x5555;
#else
        *(__IO uint32_t *)(SRAM_BANK_ADDR + i * data_width) = (uint32_t)0x55555555;
#endif
    }
    time_cast = rt_tick_get() - start_time;
    LOG_D("Write data success, total time: %d.%03dS.", time_cast / RT_TICK_PER_SECOND,
          time_cast % RT_TICK_PER_SECOND / ((RT_TICK_PER_SECOND * 1 + 999) / 1000));

    /* read data */
    LOG_D("start Reading and verifying data, waiting....");
    for (i = 0; i < SRAM_SIZE / data_width; i++)
    {
#if SRAM_DATA_WIDTH == 8
        data = *(__IO uint8_t *)(SRAM_BANK_ADDR + i * data_width);
        if (data != 0x55)
        {
            LOG_E("SRAM test failed!");
            break;
        }
#elif SRAM_DATA_WIDTH == 16
        data = *(__IO uint16_t *)(SRAM_BANK_ADDR + i * data_width);
        if (data != 0x5555)
        {
            LOG_E("SRAM test failed!");
            break;
        }
#else
        data = *(__IO uint32_t *)(SRAM_BANK_ADDR + i * data_width);
        if (data != 0x55555555)
        {
            LOG_E("SRAM test failed!");
            break;
        }
#endif
    }

    if (i >= SRAM_SIZE / data_width)
    {
        LOG_D("SRAM test success!");
    }

    return RT_EOK;
}
MSH_CMD_EXPORT(sram_test, sram test);