diff options
Diffstat (limited to 'digital-controller/firmware')
-rw-r--r-- | digital-controller/firmware/firmware.ino | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/digital-controller/firmware/firmware.ino b/digital-controller/firmware/firmware.ino new file mode 100644 index 0000000..7693835 --- /dev/null +++ b/digital-controller/firmware/firmware.ino @@ -0,0 +1,35 @@ +#include <Wire.h> + +#define I2C_SLAVE_ADDR 0x26 // I2C slave address (38, 0x26) + +void setup() +{ + // init the Wire object + Wire.begin(); + + // wait for slave to finish any init sequence + delay(2000); +} + +void loop() +{ + + //generate buffer containing data to send via I2C + uint8_t buf[1]; + buf[0] = 255; // adjusting this byte changes fan speed. Can be adjusted from 0 to 256. + buf[1] = 0; // adjusting this byte changes LED intensity. Can be adjusted from 0 to 256. + + // 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(100); +} |