SDuser.cpp

#include <SDuser.h>

#define SD_CS         9
#define SD_SCK        15
#define SD_MISO       17
#define SD_MOSI       7

// #define SD_CS         12
// #define SD_SCK        22
// #define SD_MISO       21
// #define SD_MOSI       32

void initSD(void) 
{
    pinMode(SD_CS, OUTPUT);
    digitalWrite(SD_CS, HIGH);
    SPI.begin(SD_SCK, SD_MISO, SD_MOSI);
    SPI.setFrequency(1000000);
    if(!SD.begin(SD_CS, SPI))Serial.println("Card Mount Failed");
    else Serial.println("Card Mount Success");
    
    uint8_t cardType = SD.cardType();
    if(cardType == CARD_NONE)Serial.println("No SD card attached");
    else
    {
        Serial.print("SD Card Type: ");
        if(cardType == CARD_MMC)Serial.println("MMC");
        else if(cardType == CARD_SD)Serial.println("SDSC");
        else if(cardType == CARD_SDHC)Serial.println("SDHC");
        else Serial.println("UNKNOWN");
    }

    // lv_fs_fatfs_init();
}

void lv_fs_test(void)
{
	lv_fs_file_t f;
	lv_fs_res_t res;
	res = lv_fs_open(&f, "S:test/file.txt", LV_FS_MODE_RD);
	if(res != LV_FS_RES_OK) 
	{
		Serial.println("Open fail");
	}
	else
	{
		Serial.println("Open OK");
		uint32_t read_num;
		uint8_t buf[8];
		res = lv_fs_read(&f, buf, 8, &read_num);
		Serial.printf("read:%s",buf);
		lv_fs_close(&f);
	}
}