private byte i2c_write_byte_data(byte reg, byte data)
{
AppStatus = I2C.I2C_SetStart(); // I2C START
if (AppStatus != 0)
{
return(1);
}
AppStatus = I2C.I2C_SendDeviceAddrAndCheckACK(OLED_ADDRESS, false); // I2C ADDRESS (for write)
if (AppStatus != 0)
{
return(1);
}
if (I2C.I2C_Ack != true)
{
I2C.I2C_SetStop(); return(1);
} // if oled NAKs then send stop and return
AppStatus = I2C.I2C_SendByteAndCheckACK(reg); // SEND REGISTER ID
if (AppStatus != 0)
{
return(1);
}
if (I2C.I2C_Ack != true)
{
I2C.I2C_SetStop(); return(1);
} // if oled NAKs then send stop and return
AppStatus = I2C.I2C_SendByteAndCheckACK(data); // SEND VALUE TO WRITE
if (AppStatus != 0)
{
return(1);
}
if (I2C.I2C_Ack != true)
{
I2C.I2C_SetStop(); return(1);
} // if oled NAKs then send stop and return
AppStatus = I2C.I2C_SetStop(); // I2C STOP
if (AppStatus != 0)
{
return(1);
}
return(0);
}