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#include <SPI.h> | |
void setup() { | |
Serial.begin(115200); | |
Serial.println("Test1"); | |
pinMode(MISO, OUTPUT); | |
pinMode(SS, INPUT); | |
pinMode(SCK, INPUT); | |
pinMode(MOSI, INPUT); | |
SPCR |= _BV(SPE); | |
SPCR &= ~_BV(MSTR); | |
SPI.attachInterrupt(); | |
} | |
// SPI interrupt routine | |
ISR (SPI_STC_vect) | |
{ | |
Serial.println((char)SPDR); | |
//SPI.transfer('X'); //Enabling this line produces problems | |
} // end of interrupt routine SPI_STC_vect | |
void loop() { | |
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#include <SPI.h> | |
void setup() { | |
Serial.begin(115200); | |
while (!Serial) { | |
; // wait for serial port to connect. Needed for native USB port only | |
} | |
Serial.println("Test2"); | |
SPI.begin(); | |
//SPI.attachInterrupt(); //Enabling this line produces problems | |
} | |
// SPI interrupt routine | |
ISR (SPI_STC_vect) | |
{ | |
Serial.println((char)SPDR); | |
} | |
void loop() { | |
SPI.transfer('A'); | |
delay(1000); | |
} | |
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