add files

1 files changed, 34 insertions, 0 deletions

diff --git a/spi_comm/arduino_slave_write/arduino_slave_write.ino b/spi_comm/arduino_slave_write/arduino_slave_write.ino
new file mode 100644
index 0000000..d6f838f
--- /dev/null
+++ b/spi_comm/arduino_slave_write/arduino_slave_write.ino
@@ -0,0 +1,34 @@
+#include <SPI.h>
+
+int x;
+long randNumber;
+
+
+volatile boolean received;
+volatile byte Slavereceived,Slavesend;
+
+void setup() {
+  Serial.begin(115200);
+  randomSeed(analogRead(0));
+  
+  pinMode(MISO,OUTPUT);                  
+  SPCR |= _BV(SPE);    
+  received = false;
+  SPI.attachInterrupt();    
+            
+}
+
+ISR (SPI_STC_vect){
+  Slavereceived = SPDR;   
+  received = true; 
+}
+
+void loop() {
+  // put your main code here, to run repeatedly:
+  randNumber = random(0, 1);
+  Serial.println(randNumber);
+  Slavesend=randNumber;                             
+  SPDR = Slavesend;
+  delay(1000);
+
+}