DP_AUX_I2C_WRITE
message.request = DP_AUX_I2C_WRITE;
case DP_AUX_I2C_WRITE:
case DP_AUX_I2C_WRITE:
case DP_AUX_I2C_WRITE:
case DP_AUX_I2C_WRITE:
message.request = DP_AUX_I2C_WRITE;