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bmp180: change method names/signature for obtaining temperature and pressure uniform with other similar drivers

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Signed-off-by: Ron Evans <ron@hybridgroup.com>
This commit is contained in:
Ron Evans
2019-04-24 10:57:30 +02:00
parent f6b9080f9e
commit cd992bd7d6
4 changed files with 17 additions and 15 deletions
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README.md
+2 -2
View File
@@ -39,10 +39,10 @@ func main() {
println("BMP180 detected")
for {
temp, _ := sensor.Temperature()
temp, _ := sensor.ReadTemperature()
println("Temperature:", float32(temp)/1000, "ºC")
pressure, _ := sensor.Pressure()
pressure, _ := sensor.ReadPressure()
println("Pressure", float32(pressure)/100000, "hPa")
time.Sleep(2 * time.Second)
bmp180/bmp180.go
+9 -8
View File
@@ -1,5 +1,5 @@
// Package bmp180 provides a driver for the BMP180 digital pressure sensor
// by Bosch
// by Bosch.
//
// Datasheet:
// https://cdn-shop.adafruit.com/datasheets/BST-BMP180-DS000-09.pdf
@@ -12,7 +12,7 @@ import (
"machine"
)
// BMP180OversamplingMode is the oversampling ratio of the pressure measurement.
// OversamplingMode is the oversampling ratio of the pressure measurement.
type OversamplingMode uint
// calibrationCoefficients reads at startup and stores the calibration coefficients
@@ -41,7 +41,8 @@ type Device struct {
// New creates a new BMP180 connection. The I2C bus must already be
// configured.
//
// This function only creates the Device object, it does not touch the device.
// This function only creates the Device object, it does not initialize the device.
// You must call Configure() first in order to use the device itself.
func New(bus machine.I2C) Device {
return Device{
bus: bus,
@@ -59,7 +60,7 @@ func (d *Device) Connected() bool {
}
// Configure sets up the device for communication and
// read the calibration coefficientes.
// read the calibration coefficients.
func (d *Device) Configure() {
data := make([]byte, 22)
err := d.bus.ReadRegister(uint8(d.Address), AC1_MSB, data)
@@ -79,8 +80,8 @@ func (d *Device) Configure() {
d.calibrationCoefficients.md = readInt(data[20], data[21])
}
// Temperature returns the temperature in celsius milli degrees (ºC/1000)
func (d *Device) Temperature() (temperature int32, err error) {
// ReadTemperature returns the temperature in celsius milli degrees (ºC/1000).
func (d *Device) ReadTemperature() (temperature int32, err error) {
rawTemp, err := d.rawTemp()
if err != nil {
return
@@ -90,8 +91,8 @@ func (d *Device) Temperature() (temperature int32, err error) {
return 100 * t, nil
}
// Pressure returns the pressure in milli pascals (mPa)
func (d *Device) Pressure() (pressure int32, err error) {
// ReadPressure returns the pressure in milli pascals (mPa).
func (d *Device) ReadPressure() (pressure int32, err error) {
rawTemp, err := d.rawTemp()
if err != nil {
return
drivers.go
+2 -2
View File
@@ -25,10 +25,10 @@
// println("BMP180 detected")
//
// for {
// temp, _ := sensor.Temperature()
// temp, _ := sensor.ReadTemperature()
// println("Temperature:", float32(temp)/1000, "ºC")
//
// pressure, _ := sensor.Pressure()
// pressure, _ := sensor.ReadPressure()
// println("Pressure", float32(pressure)/100000, "hPa")
//
// time.Sleep(2 * time.Second)
examples/bmp180/main.go
+4 -3
View File
@@ -3,8 +3,9 @@ package main
import (
"time"
"github.com/tinygo-org/drivers/bmp180"
"machine"
"github.com/tinygo-org/drivers/bmp180"
)
func main() {
@@ -20,10 +21,10 @@ func main() {
println("BMP180 detected")
for {
temp, _ := sensor.Temperature()
temp, _ := sensor.ReadTemperature()
println("Temperature:", float32(temp)/1000, "ºC")
pressure, _ := sensor.Pressure()
pressure, _ := sensor.ReadPressure()
println("Pressure", float32(pressure)/100000, "hPa")
time.Sleep(2 * time.Second)