go-embedded/embd
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embd
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reformat

This commit is contained in:
Cullen Jennings 2016-05-22 09:39:30 -06:00
parent e87156263c
commit 802db1c399
1 changed files with 7 additions and 6 deletions
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13
sensor/ina219/ina219.go
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@ -3,6 +3,7 @@
// interfcace.
// TODO - add options to config voltage range, sensitivity and averaging
// TODO - Current and Power can overflow within normal ranges
// TODO - add documentation
package ina219
@ -24,7 +25,7 @@ const (
calibReg = 0x05
)
// INA219 represents a Bosch INA219 current sensor.
// INA219 represents an INA219 current sensor.
type INA219 struct {
Bus embd.I2CBus
@ -58,7 +59,7 @@ func (d *INA219) setup() error {
//config := uint16(0x219F) // 12, bit no integration, 32v bus range , 40mV shunt range
//config := uint16(0x2777) // 12, bit 64x integration, 32v bus range , 40mV shunt range
config := uint16(0x2F77) // 12, bit 64x integration, 32v bus range , 80mV shunt range
err := d.Bus.WriteWordToReg(d.address, configReg, config)
if err != nil {
return err
@ -66,7 +67,7 @@ func (d *INA219) setup() error {
calib := uint16(0.5 + 40.96/d.shuntResitance)
err = d.Bus.WriteWordToReg(d.address, calibReg, calib)
err = d.Bus.WriteWordToReg(d.address, calibReg, calib)
if err != nil {
return err
}
@ -88,7 +89,7 @@ func (d *INA219) ShuntVoltage() (float64, error) {
return math.NaN(), err
}
voltage := float64( int16(v) ) / 100000.0
voltage := float64(int16(v)) / 100000.0
return voltage, nil
}
@ -118,7 +119,7 @@ func (d *INA219) Current() (float64, error) {
return math.NaN(), err
}
current := float64( int16(v) ) / 1000.0
current := float64(int16(v)) / 1000.0
return current, nil
}
@ -133,7 +134,7 @@ func (d *INA219) Power() (float64, error) {
return math.NaN(), err
}
current := float64( int16(v) ) / 50.0
current := float64(int16(v)) / 50.0
return current, nil
}