Ledda/rpi-sensors
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This commit is contained in:
Daniel Ledda
2020-10-31 15:33:27 +01:00
parent e6bac6d626
commit 148524f55b
1 changed files with 10 additions and 11 deletions
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21
main.go
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@@ -2,6 +2,7 @@ package main
import ( import (
"fmt" "fmt"
"errors"
"github.com/warthog618/gpio" "github.com/warthog618/gpio"
"math" "math"
"time" "time"
@@ -62,14 +63,12 @@ func readDataFromDHT(pin *gpio.Pin) ([5]byte, error) {
time.Sleep(40 * time.Microsecond) time.Sleep(40 * time.Microsecond)
// Get Data // Get Data
time.Sleep(80 * time.Microsecond) if cyclesForReading(pin, gpio.Low) == Timeout {
time.Sleep(80 * time.Microsecond) return receivedInput, errors.New(fmt.Sprintf(TimeoutErrInitial, "low"))
//if cyclesForReading(pin, gpio.Low) == Timeout { }
// return receivedInput, errors.New(fmt.Sprintf(TimeoutErrInitial, "low")) if cyclesForReading(pin, gpio.High) == Timeout {
//} return receivedInput, errors.New(fmt.Sprintf(TimeoutErrInitial, "high"))
//if cyclesForReading(pin, gpio.High) == Timeout { }
// return receivedInput, errors.New(fmt.Sprintf(TimeoutErrInitial, "high"))
//}
// Store cycle number for each low and high pulse // Store cycle number for each low and high pulse
cycles := [80]int{} cycles := [80]int{}
@@ -90,9 +89,9 @@ func storeCycleCountsAsBinarySequence(store *[5]byte, cycles *[80]int) error {
for i := 0; i < 40; i++ { for i := 0; i < 40; i++ {
lowCycles := cycles[2 * i] lowCycles := cycles[2 * i]
highCycles := cycles[2 * i + 1] highCycles := cycles[2 * i + 1]
//if (lowCycles == Timeout) || (highCycles == Timeout) { if (lowCycles == Timeout) || (highCycles == Timeout) {
// return errors.New("Timed out waiting for sensor pulse!") return errors.New("Timed out waiting for sensor pulse!")
//} }
store[i / 8] <<= 1 store[i / 8] <<= 1
if highCycles > lowCycles { if highCycles > lowCycles {
store[i / 8] |= 1 store[i / 8] |= 1