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hub / github.com/PaulStoffregen/SerialFlash / readSerialNumber

Method readSerialNumber

SerialFlashChip.cpp:432–446  ·  view source on GitHub ↗

Source from the content-addressed store, hash-verified

430}
431
432void SerialFlashChip::readSerialNumber(uint8_t *buf) //needs room for 8 bytes
433{
434 if (busy) wait();
435 SPIPORT.beginTransaction(SPICONFIG);
436 CSASSERT();
437 SPIPORT.transfer(0x4B);
438 SPIPORT.transfer16(0);
439 SPIPORT.transfer16(0);
440 for (int i=0; i<8; i++) {
441 buf[i] = SPIPORT.transfer(0);
442 }
443 CSRELEASE();
444 SPIPORT.endTransaction();
445// Serial.printf("Serial Number: %02X %02X %02X %02X %02X %02X %02X %02X\n", buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6], buf[7]);
446}
447
448uint32_t SerialFlashChip::capacity(const uint8_t *id)
449{

Callers

nothing calls this directly

Calls

no outgoing calls

Tested by

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