INA219 (Texas Instruments) High-Side Measurement,Bi-Directional CURRENT/POWER MONITOR with I2C Interface
Diff: INA219.cpp
- Revision:
- 2:088b8d5de7e9
- Parent:
- 1:fea983b0385b
- Child:
- 3:8c444591d7f2
--- a/INA219.cpp Mon Apr 20 12:00:02 2015 +0000 +++ b/INA219.cpp Tue May 05 07:47:02 2015 +0000 @@ -7,7 +7,7 @@ * http://www.page.sannet.ne.jp/kenjia/index.html * http://mbed.org/users/kenjiArai/ * Created: January 25th, 2015 - * Revised: March 22nd, 2015 + * Revised: May 5th, 2015 * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE @@ -185,11 +185,11 @@ void INA219::initialize() { uint16_t data = 0; - data = ina219_set_data.v_max << 13; - data += ina219_set_data.gain << 11; - data += ina219_set_data.adc_resolution << 3; // use same vale for BUS & SHUNT - data += ina219_set_data.adc_resolution << 6; - data += ina219_set_data.mode; + data = (ina219_set_data.v_max & 0x01) << 13; + data |= (ina219_set_data.gain & 0x03) << 11; + data |= (ina219_set_data.bus_adc_resolution & 0x0f) << 6; + data |= (ina219_set_data.Shunt_adc_resolution & 0x0f) << 3; + data |= (ina219_set_data.mode & 0x07); dt[0] = INA219_CONFIG; dt[1] = data >> 8; // MSB 1st dt[2] = data & 0xff; // LSB 2nd