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79 lines
2.0 KiB
79 lines
2.0 KiB
5 years ago
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// Force exFAT formatting for all SD cards larger than 512MB.
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#include "SdFs.h"
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/*
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Change the value of SD_CS_PIN if you are using SPI and
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your hardware does not use the default value, SS.
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Common values are:
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Arduino Ethernet shield: pin 4
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Sparkfun SD shield: pin 8
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Adafruit SD shields and modules: pin 10
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*/
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// SDCARD_SS_PIN is defined for the built-in SD on some boards.
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#ifndef SDCARD_SS_PIN
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const uint8_t SD_CS_PIN = SS;
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#else // SDCARD_SS_PIN
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// Assume built-in SD is used.
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const uint8_t SD_CS_PIN = SDCARD_SS_PIN;
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#endif // SDCARD_SS_PIN
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// Select fastest interface.
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#if HAS_SDIO_CLASS
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// SD config for Teensy 3.6 SDIO.
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#define SD_CONFIG SdioConfig(FIFO_SDIO)
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//#define SD_CONFIG SdioConfig(DMA_SDIO)
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#elif ENABLE_DEDICATED_SPI
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#define SD_CONFIG SdSpiConfig(SD_CS_PIN, DEDICATED_SPI)
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#else // HAS_SDIO_CLASS
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#define SD_CONFIG SdSpiConfig(SD_CS_PIN, SHARED_SPI)
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#endif // HAS_SDIO_CLASS
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SdExFat sd;
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//------------------------------------------------------------------------------
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void errorHalt() {
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sd.printSdError(&Serial);
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SysCall::halt();
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}
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#define error(s) (Serial.println(F(s)),errorHalt())
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//------------------------------------------------------------------------------
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void setup() {
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Serial.begin(9600);
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while (!Serial) {}
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Serial.println(F("Type any character to begin"));
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while (!Serial.available()) {
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yield();
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}
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do {
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delay(10);
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} while(Serial.read() >= 0);
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Serial.println();
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Serial.println(F(
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"Your SD will be formated exFAT.\r\n"
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"All data on the SD will be lost.\r\n"
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"Type 'Y' to continue.\r\n"));
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while (!Serial.available()) {
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yield();
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}
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if (Serial.read() != 'Y') {
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Serial.println(F("Exiting, 'Y' not typed."));
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return;
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}
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if (!sd.cardBegin(SD_CONFIG)) {
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error("cardBegin failed");
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}
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if(!sd.format(&Serial)) {
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error("format failed");
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}
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if (!sd.volumeBegin()) {
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error("volumeBegin failed");
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}
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Serial.print(F("Bytes per cluster: "));
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Serial.println(sd.bytesPerCluster());
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Serial.println(F("Done"));
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}
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void loop() {
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}
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