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Use physical PIN number in blinker example.

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The behavior of the test is not changed, now it hides BCM bin number and
used physical PIN number.
This commit is contained in:
Aleksei Fedotov 2020-04-26 17:36:56 +02:00
parent 904f4f9711
commit b79c58a7a3
1 changed files with 7 additions and 5 deletions
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12
examples/blinker/blinker.go
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@ -17,11 +17,6 @@ import (
"time" "time"
) )
var (
// Use mcu pin 10, corresponds to physical pin 19 on the pi
pin = rpio.Pin(10)
)
func main() { func main() {
// Open and map memory to access gpio, check for errors // Open and map memory to access gpio, check for errors
if err := rpio.Open(); err != nil { if err := rpio.Open(); err != nil {
@ -32,6 +27,13 @@ func main() {
// Unmap gpio memory when done // Unmap gpio memory when done
defer rpio.Close() defer rpio.Close()
// Use physical pin 19, mappings to GPIO numers are done internally
pin, err := rpio.GetBoardPin(19)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
// Set pin to output mode // Set pin to output mode
pin.Output() pin.Output()