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-rw-r--r--digital-controller/arduino-uno-controller/firmware/firmware.ino41
1 files changed, 41 insertions, 0 deletions
diff --git a/digital-controller/arduino-uno-controller/firmware/firmware.ino b/digital-controller/arduino-uno-controller/firmware/firmware.ino
new file mode 100644
index 0000000..e87db8d
--- /dev/null
+++ b/digital-controller/arduino-uno-controller/firmware/firmware.ino
@@ -0,0 +1,41 @@
+#include <Wire.h>
+
+#define I2C_SLAVE_ADDR 0x26 // I2C slave address (38, 0x26)
+
+void setup()
+{
+ pinMode(A4, OUTPUT);
+ pinMode(A5, OUTPUT);
+ // init the Wire object
+ Wire.begin();
+
+ // wait for slave to finish any init sequence
+ delay(2000);
+
+ Serial.begin(9600);
+}
+
+void loop()
+{
+ for( int a=10; a<=255; a++ ){
+ //generate buffer containing data to send via I2C
+ uint8_t buf[1];
+ buf[0] = 255-a; // adjusting this byte changes fan speed. Can be adjusted from 0 to 256.
+ buf[1] = a; // adjusting this byte changes LED intensity. Can be adjusted from 0 to 256.
+ Serial.println(int(buf));
+
+ // send buffer
+ Wire.beginTransmission(I2C_SLAVE_ADDR);
+ Wire.write(buf, 2);
+ Wire.endTransmission();
+
+ // delay 20 milliseconds to accomodate slave onReceive()
+ delay(20);
+
+ /////////////////////// WHY DO I NEED THIS PART?//////////////////////////
+ Wire.requestFrom(I2C_SLAVE_ADDR, 1);
+
+ // delay 1 second so user can watch results
+ delay(50);
+ }
+}