add latest barebone additions

.gitignore

@@ -7,6 +7,7 @@
 
 # Test binary, built with `go test -c`
 *.test
+local
 
 # Output of the go coverage tool, specifically when used with LiteIDE
 *.out

examples/barebones/barebones.go

@@ -9,13 +9,11 @@ import (
 )
 
 const (
-	pinCS0  = machine.GPIO27
-	pinCS1  = machine.GPIO28
-	pinRST0 = machine.GPIO29
-	pinRST1 = machine.GPIO29
-	pinMOSI = machine.GPIO3
-	pinMISO = machine.GPIO4
-	pinSCK  = machine.GPIO6
+	pinSCK  = machine.GPIO18
+	pinMOSI = machine.GPIO19
+	pinMISO = machine.GPIO16
+	pinCS0  = machine.GPIO8
+	pinRST0 = machine.GPIO9
 	pinDIO0 = machine.GPIO7
 )
 
@@ -69,11 +67,11 @@ func setup() {
 		panic(err.Error())
 	}
 	pinCS0.Configure(machine.PinConfig{Mode: machine.PinOutput})
-	pinCS1.Configure(machine.PinConfig{Mode: machine.PinOutput})
 	pinRST0.Configure(machine.PinConfig{Mode: machine.PinOutput})
-	pinRST1.Configure(machine.PinConfig{Mode: machine.PinOutput})
-	dev0 = &sx127x.DeviceLoRaBare{DL: *sx127x.NewLoRa(bus, pinCS0.Set, pinRST0.Set)}
 	pinDIO0.Configure(machine.PinConfig{Mode: machine.PinInputPulldown})
+
+	dev0 = &sx127x.DeviceLoRaBare{DL: *sx127x.NewLoRa(bus, pinCS0.Set, pinRST0.Set)}
+
 	// dev1 = sx127x.NewLoRa(bus, pinCS1.Set, pinRST1.Set)
 
 	cfg = sx127x.DefaultConfig(lora.Freq433_0M)

sx127x/barebones.go

@@ -12,6 +12,9 @@ type DeviceLoRaBare struct {
 }
 
 func (d *DeviceLoRaBare) Configure(c lora.Config) (err error) {
+	// Taken from both:
+	// pico-lorawan/src/lorawan.c
+	// pico-lorawan/lib/LoRaMac-node/src/radio/sx1276/sx1276.c
 	d.DL.Reset()
 	// Seems to take just under ~6ms. Wait 20ms.
 	err = d.DL.rxFSKChainCalibration(20 * time.Millisecond)

sx127x/sx127x.go

@@ -245,6 +245,7 @@ func (d *DeviceLoRa) Reset() {
 	time.Sleep(1 * time.Millisecond)
 	d.rst(true)
 	time.Sleep(6 * time.Millisecond)
+	d.csEnable(false)
 }
 
 // IsConnected reads the version register and checks if it matches the expected value.
@@ -947,7 +948,7 @@ func (d *DeviceLoRa) setHopPeriod(val uint8) error { return d.Write8(regHOP_PERI
 
 func (d *DeviceLoRa) writeMasked8(addr uint8, mask, value byte) error {
 	if value != 0 && value&^mask != 0 {
-		println("value", value, "mask", mask)
+		println("addr", addr, "value", value, "mask", mask)
 		panic("misuse of writeMasked8") // Bug in this package if hit.
 	}
 	existing, err := d.read8(addr)