Hello
I fiddle with my ESP32-S3 board and get my SD Card not to work.
/*
* pin 1 - not used | Micro SD card |
* pin 2 - CS (SS) | /
* pin 3 - DI (MOSI) | |__
* pin 4 - VDD (3.3V) | |
* pin 5 - SCK (SCLK) | 8 7 6 5 4 3 2 1 /
* pin 6 - VSS (GND) | ▄ ▄ ▄ ▄ ▄ ▄ ▄ ▄ /
* pin 7 - DO (MISO) | ▀ ▀ █ ▀ █ ▀ ▀ ▀ |
* pin 8 - not used |_________________|
* ║ ║ ║ ║ ║ ║ ║ ║
* ╔═══════╝ ║ ║ ║ ║ ║ ║ ╚═════════╗
* ║ ║ ║ ║ ║ ║ ╚══════╗ ║
* ║ ╔═════╝ ║ ║ ║ ╚═════╗ ║ ║
* Connections for ║ ║ ╔═══╩═║═║═══╗ ║ ║ ║
* full-sized ║ ║ ║ ╔═╝ ║ ║ ║ ║ ║
* SD card ║ ║ ║ ║ ║ ║ ║ ║ ║
* Pin name | - DO VSS SCK VDD VSS DI CS - |
* SD pin number | 8 7 6 5 4 3 2 1 9 /
* | █/
* |__▍___▊___█___█___█___█___█___█___/
*
* Note: The SPI pins can be manually configured by using `SPI.begin(sck, miso, mosi, cs).`
* Alternatively, you can change the CS pin and use the other default settings by using `SD.begin(cs)`.
*
* +--------------+---------+-------+----------+----------+----------+
* | SPI Pin Name | ESP8266 | ESP32 | ESP32-S2 | ESP32-C3 | ESP32-S3 |
* +==============+=========+=======+==========+==========+==========+
* | CS (SS) | GPIO15 | GPIO5 | GPIO5 | GPIO13 | GPIO13 |
* +--------------+---------+-------+----------+----------+----------+
* | DI (MOSI) | GPIO13 | GPIO23| GPIO24 | GPIO14 | GPIO14 |
* +--------------+---------+-------+----------+----------+----------+
* | DO (MISO) | GPIO12 | GPIO19| GPIO25 | GPIO15 | GPIO15 |
* +--------------+---------+-------+----------+----------+----------+
* | SCK (SCLK) | GPIO14 | GPIO18| GPIO19 | GPIO16 | GPIO16 |
* +--------------+---------+-------+----------+----------+----------+
*
* For more info see file README.md in this library or on URL:
* https://github.com/espressif/arduino-esp32/tree/master/libraries/SD
*/
#include "FS.h"
#include "SD.h"
#include "SPI.h"
/*
Uncomment and set up if you want to use custom pins for the SPI communication
#define REASSIGN_PINS
int sck = -1;
int miso = -1;
int mosi = -1;
int cs = -1;
*/
void TestLed(int Value);
void listDir(fs::FS &fs, const char * dirname, uint8_t levels);
void createDir(fs::FS &fs, const char * path);
void removeDir(fs::FS &fs, const char * path);
void readFile(fs::FS &fs, const char * path);
void writeFile(fs::FS &fs, const char * path, const char * message);
void appendFile(fs::FS &fs, const char * path, const char * message);
void renameFile(fs::FS &fs, const char * path1, const char * path2);
void deleteFile(fs::FS &fs, const char * path);
void testFileIO(fs::FS &fs, const char * path);
bool testSD();
/*
* Connect the SD card to the following pins:
*
* SD Card | ESP32
* D2 -
* D3 SS
* CMD MOSI
* VSS GND
* VDD 3.3V
* CLK SCK
* VSS GND
* D0 MISO
* D1 -
*/
#if CONFIG_IDF_TARGET_ESP32
#define SD_SCK GPIO_NUM_14
#define SD_MISO GPIO_NUM_12
#define SD_MOSI GPIO_NUM_13
#define SD_SS GPIO_NUM_15
#elif CONFIG_IDF_TARGET_ESP32S3
/*
#define SD_SCK GPIO_NUM_14
#define SD_MISO GPIO_NUM_12
#define SD_MOSI GPIO_NUM_13
#define SD_SS GPIO_NUM_5
*/
#else
#error Board not found!
#endif
//SPIClass * hspi = NULL;
SPIClass fspi = SPIClass(HSPI);
#define SD_SPI_FREQ 1000000
//#define SD_SPI_FREQ 4000000
//#define SD_SPI_FREQ 25000000
void setup(){
Serial.begin(115200);
delay(2000);
//hspi = new SPIClass(HSPI);
//hspi->begin(SD_SCK, SD_MISO, SD_MOSI, SD_SS);
fspi.begin(SD_SCK, SD_MISO, SD_MOSI, SD_SS);
Serial.printf("%d-%d-%d-%d ",MISO, MOSI, SCK, SS );
Serial.printf("%d-%d-%d-%d ",MISO, MOSI, SCK, SS );
pinMode(MISO, OUTPUT);
pinMode(MOSI, OUTPUT);
pinMode(SCK, OUTPUT);
pinMode(SS, OUTPUT);
/*
for (int i= 0;i<200; i++)
TestLed(7000);
*/
if(!SD.begin(SD_SS, fspi, SD_SPI_FREQ)){
Serial.println("Card Mount Failed");
return;
}
testSD();
SD.end();
}
void loop(){
/*
bool ok;
ok = testSD();
if (ok) {
Serial.println("OK");
} else {
Serial.println("FAIL");
}
*/
delay(5000);
}
void TestLed(int Value)
{
digitalWrite(MISO, HIGH);
Serial.printf("MISO: %d \n", MISO);
delay(Value);
digitalWrite(MISO, LOW);
digitalWrite(MOSI, HIGH);
Serial.printf("MOSI: %d \n", MOSI);
delay(Value);
digitalWrite(MOSI, LOW);
digitalWrite(SS, HIGH);
Serial.printf("SS: %d \n", SS);
delay(Value);
digitalWrite(SS, LOW);
digitalWrite(SCK, HIGH);
Serial.printf("SCK: %d \n", SCK);
delay(Value);
digitalWrite(SCK, LOW);
}
void listDir(fs::FS &fs, const char * dirname, uint8_t levels){
Serial.printf("Listing directory: %s\r\n", dirname);
File root = fs.open(dirname);
if(!root){
Serial.println("Failed to open directory");
return;
}
if(!root.isDirectory()){
Serial.println("Not a directory");
return;
}
File file = root.openNextFile();
while(file){
if(file.isDirectory()){
Serial.print(" DIR : ");
Serial.println(file.name());
if(levels){
listDir(fs, file.path(), levels -1);
// listDir(fs, file.name(), levels -1);
}
} else {
Serial.print(" FILE: ");
Serial.print(file.name());
Serial.print(" SIZE: ");
Serial.println(file.size());
}
file = root.openNextFile();
}
}
void createDir(fs::FS &fs, const char * path){
Serial.printf("Creating Dir: %s\r\n", path);
if(fs.mkdir(path)){
Serial.println("Dir created");
} else {
Serial.println("mkdir failed");
}
}
void removeDir(fs::FS &fs, const char * path){
Serial.printf("Removing Dir: %s\r\n", path);
if(fs.rmdir(path)){
Serial.println("Dir removed");
} else {
Serial.println("rmdir failed");
}
}
void readFile(fs::FS &fs, const char * path){
Serial.printf("Reading file: %s\r\n", path);
File file = fs.open(path);
if(!file){
Serial.println("Failed to open file for reading");
return;
}
Serial.print("Read from file: ");
while(file.available()){
Serial.write(file.read());
}
file.close();
}
void writeFile(fs::FS &fs, const char * path, const char * message){
Serial.printf("Writing file: %s\r\n", path);
File file = fs.open(path, FILE_WRITE);
if(!file){
Serial.println("Failed to open file for writing");
return;
}
if(file.print(message)){
Serial.println("File written");
} else {
Serial.println("Write failed");
}
file.close();
}
void appendFile(fs::FS &fs, const char * path, const char * message){
Serial.printf("Appending to file: %s\r\n", path);
File file = fs.open(path, FILE_APPEND);
if(!file){
Serial.println("Failed to open file for appending");
return;
}
if(file.print(message)){
Serial.println("Message appended");
} else {
Serial.println("Append failed");
}
file.close();
}
void renameFile(fs::FS &fs, const char * path1, const char * path2){
Serial.printf("Renaming file %s to %s\r\n", path1, path2);
if (fs.rename(path1, path2)) {
Serial.println("File renamed");
} else {
Serial.println("Rename failed");
}
}
void deleteFile(fs::FS &fs, const char * path){
Serial.printf("Deleting file: %s\r\n", path);
if(fs.remove(path)){
Serial.println("File deleted");
} else {
Serial.println("Delete failed");
}
}
void testFileIO(fs::FS &fs, const char * path){
File file = fs.open(path);
static uint8_t buf[512];
size_t len = 0;
uint32_t start = millis();
uint32_t end = start;
if(file){
len = file.size();
size_t flen = len;
start = millis();
while(len){
size_t toRead = len;
if(toRead > 512){
toRead = 512;
}
file.read(buf, toRead);
len -= toRead;
}
end = millis() - start;
Serial.printf("%u bytes read for %u ms\r\n", flen, end);
file.close();
} else {
Serial.println("Failed to open file for reading");
}
file = fs.open(path, FILE_WRITE);
if(!file){
Serial.println("Failed to open file for writing");
return;
}
size_t i;
start = millis();
for(i=0; i<2048; i++){
file.write(buf, 512);
}
end = millis() - start;
Serial.printf("%u bytes written for %u ms\r\n", 2048 * 512, end);
file.close();
}
bool testSD()
{
/*
Serial.printf("Trying mount of SD card at freq %u...\r\n", SD_SPI_FREQ);
if(!SD.begin(SD_SS, *hspi, SD_SPI_FREQ)) {
Serial.println("Card Mount Failed");
return false;
}
*/
uint8_t cardType = SD.cardType();
if(cardType == CARD_NONE){
Serial.println("No SD card attached");
return false;
}
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");
}
uint64_t cardSize = SD.cardSize() / (1024 * 1024);
Serial.printf("SD Card Size: %lluMB\r\n", cardSize);
listDir(SD, "/", 0);
createDir(SD, "/mydir");
listDir(SD, "/", 0);
removeDir(SD, "/mydir");
listDir(SD, "/", 2);
writeFile(SD, "/hello.txt", "Hello ");
appendFile(SD, "/hello.txt", "World!\n");
readFile(SD, "/hello.txt");
deleteFile(SD, "/foo.txt");
renameFile(SD, "/hello.txt", "/foo.txt");
readFile(SD, "/foo.txt");
testFileIO(SD, "/test.txt");
Serial.printf("Total space: %lluMB\r\n", SD.totalBytes() / (1024 * 1024));
Serial.printf("Used space: %lluMB\r\n", SD.usedBytes() / (1024 * 1024));
return true;
}
I tried it with FSPI and HSPI no luck. I soldered a simple board with LEDs to check if I use the right GPIOs