d

vendor/periph.io/x/host/v3/allwinner/detect.go

@@ -5,6 +5,7 @@
 package allwinner
 
 import (
+	"fmt"
 	"strings"
 	"sync"
 
@@ -41,6 +42,7 @@ func IsA20() bool {
 // It looks for the string "sun50iw1p1" in /proc/device-tree/compatible.
 func IsA64() bool {
 	detection.do()
+	fmt.Printf("IsA64?  %t\n", detection.isA64)
 	return detection.isA64
 }
 

vendor/periph.io/x/host/v3/allwinner/gpio.go

@@ -1007,6 +1007,7 @@ func (d *driverGPIO) Init() (bool, error) {
 
 	// Mark the right pins as available even if the memory map fails so they can
 	// callback to sysfs.Pins.
+	fmt.Println("Didier initiating allwinner gpio")
 	switch {
 	case IsA64():
 		if err := mapA64Pins(); err != nil {
@@ -1029,10 +1030,12 @@ func (d *driverGPIO) Init() (bool, error) {
 			return true, err
 		}
 	case IsH6():
+		fmt.Println("Is H6 CPU!!!")
 		if err := mapH5Pins(); err != nil {
 			return true, err
 		}
 	default:
+		fmt.Println("error: unknown Allwinner CPU model")
 		return false, errors.New("unknown Allwinner CPU model")
 	}
 
@@ -1050,6 +1053,7 @@ func (d *driverGPIO) Init() (bool, error) {
 
 func init() {
 	if isArm {
+		fmt.Println("Stating to initiate allwinner")
 		driverreg.MustRegister(&drvGPIO)
 	}
 }