Update i2c_slave_register_read.ino

7 years ago · 12d3bf6999
parent 2ff2ad2e12
commit 12d3bf6999
1 changed files with 3 additions and 0 deletions
--- a/arduino/i2c_slave_register_read.ino
+++ b/arduino/i2c_slave_register_read.ino
@ -18,6 +18,9 @@ unsigned int reg_0_value, reg_1_value, reg_2_value, reg_3_value;  // register va
 void setup() {

  Wire.begin(I2C_ADDRESS);
+  Wire.setClock(400000); // set I2C clock for full speed
+  digitalWrite(A4, LOW); 
+  digitalWrite(A5, LOW);
  Wire.onRequest(requestEvent);
  Wire.onReceive(receiveEvent);
  pinMode(LED_BUILTIN, OUTPUT);