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i2c: refactor all i2c drivers to use Address property of Driver. Allows variations to override the default address as discussed in #14 (#30)

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Signed-off-by: Ron Evans <ron@hybridgroup.com>
This commit is contained in:
Ron Evans
2019-04-07 10:50:34 +02:00
committed by GitHub
parent b8e278e08f
commit d9b426b90b
7 changed files with 65 additions and 50 deletions
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vl53v1x/vl53l1x.go
+9 -7
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@@ -35,6 +35,7 @@ type resultBuffer struct {
// Device wraps an I2C connection to a VL53L1X device.
type Device struct {
bus machine.I2C
Address uint16
mode DistanceMode
timeout uint32
fastOscillatorFreq uint16
@@ -53,6 +54,7 @@ type Device struct {
func New(bus machine.I2C) Device {
return Device{
bus: bus,
Address: Address,
mode: LONG,
timeout: 500,
}
@@ -287,7 +289,7 @@ func (d *Device) readResults() {
data := make([]byte, 17)
msb := byte((RESULT_RANGE_STATUS >> 8) & 0xFF)
lsb := byte(RESULT_RANGE_STATUS & 0xFF)
d.bus.Tx(Address, []byte{msb, lsb}, data)
d.bus.Tx(d.Address, []byte{msb, lsb}, data)
d.results.status = data[0]
// data[1] report_status : not used
d.results.streamCount = data[2]
@@ -430,7 +432,7 @@ func (d *Device) StopContinuous() {
func (d *Device) writeReg(reg uint16, value uint8) {
msb := byte((reg >> 8) & 0xFF)
lsb := byte(reg & 0xFF)
d.bus.Tx(Address, []byte{msb, lsb, value}, nil)
d.bus.Tx(d.Address, []byte{msb, lsb, value}, nil)
}
// writeReg16Bit sends two bytes to the specified register address
@@ -440,7 +442,7 @@ func (d *Device) writeReg16Bit(reg uint16, value uint16) {
data[1] = byte(reg & 0xFF)
data[2] = byte((value >> 8) & 0xFF)
data[3] = byte(value & 0xFF)
d.bus.Tx(Address, data, nil)
d.bus.Tx(d.Address, data, nil)
}
// writeReg32Bit sends four bytes to the specified register address
@@ -452,7 +454,7 @@ func (d *Device) writeReg32Bit(reg uint16, value uint32) {
data[3] = byte((value >> 16) & 0xFF)
data[4] = byte((value >> 8) & 0xFF)
data[5] = byte(value & 0xFF)
d.bus.Tx(Address, data, nil)
d.bus.Tx(d.Address, data, nil)
}
// readReg reads a single byte from the specified address
@@ -460,7 +462,7 @@ func (d *Device) readReg(reg uint16) uint8 {
data := []byte{0}
msb := byte((reg >> 8) & 0xFF)
lsb := byte(reg & 0xFF)
d.bus.Tx(Address, []byte{msb, lsb}, data)
d.bus.Tx(d.Address, []byte{msb, lsb}, data)
return data[0]
}
@@ -470,7 +472,7 @@ func (d *Device) readReg16Bit(reg uint16) uint16 {
data := []byte{0, 0}
msb := byte((reg >> 8) & 0xFF)
lsb := byte(reg & 0xFF)
d.bus.Tx(Address, []byte{msb, lsb}, data)
d.bus.Tx(d.Address, []byte{msb, lsb}, data)
return readUint(data[0], data[1])
}
@@ -480,7 +482,7 @@ func (d *Device) readReg32Bit(reg uint16) uint32 {
data := make([]byte, 4)
msb := byte((reg >> 8) & 0xFF)
lsb := byte(reg & 0xFF)
d.bus.Tx(Address, []byte{msb, lsb}, data)
d.bus.Tx(d.Address, []byte{msb, lsb}, data)
return readUint32(data)
}