MatthiasQuintern/ad-spi
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wip: xfer size

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Matthias@Dell 2023-12-28 11:22:55 +01:00
parent 283076a9ab
commit 6384d0ea2e
1 changed files with 11 additions and 0 deletions
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11
arduino/arduino.ino
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@ -95,6 +95,9 @@ void write() {
/* Serial.print(","); */ /* Serial.print(","); */
/* } */ /* } */
/* Serial.println("."); */ /* Serial.println("."); */
// transfer the size in LE
SPI.transfer(static_cast<uint8_t>(size));
SPI.transfer(static_cast<uint8_t>(size >> 8));
SPI.transfer(buffer, size); SPI.transfer(buffer, size);
Serial.write(ControlBytes::WRITE); Serial.write(ControlBytes::WRITE);
@ -154,6 +157,14 @@ void loop() {
break; break;
} }
case ControlBytes::WRITE: { case ControlBytes::WRITE: {
digitalWrite(LEDG, LOW);
digitalWrite(LEDR, HIGH);
read();
digitalWrite(LEDR, LOW);
digitalWrite(LEDG, HIGH);
break;
}
case ControlBytes::READ: {
digitalWrite(LEDG, LOW); digitalWrite(LEDG, LOW);
digitalWrite(LEDR, HIGH); digitalWrite(LEDR, HIGH);
write(); write();