Port constants to JS

constants.mjs

@@ -0,0 +1,44 @@
+export default {
+	RESET: 8,
+	NSS: 7,
+	MOSI: 4,
+	CLK: 3,
+	MISO: 5,
+	DIO0PIN: 31,
+
+	// RGB led pins acive high
+	RLED: 17,
+	GLED: 18,
+	BLED: 19,
+
+	MAPLELED: 33,
+
+	// REGISTERS in RFM95
+	REG_FIFO: 0x00,
+	REG_MODE: 0x01,
+	REG_FREQ_H: 0x06,
+	REG_FREQ_M: 0x07,
+	REG_FREQ_L: 0x08,
+	REG_PACONFIG: 0x09,
+	REG_FIFOADDRPTR: 0x0D,
+	REG_FIFOTXBASEADDR: 0X0E,
+	REG_FIFORXBASEADDR: 0x0F,
+	REG_MODEMCONFIG: 0x1D,
+	REG_MODEMCONFIG2: 0x1E,
+	REG_SYMBTIMEOUT: 0x1F,
+	REG_PREAMBLE_MSB: 0x20,
+	REG_PREAMBLE_LSB: 0x21,
+	REG_PAYLOADLENGTH: 0x22,
+	REG_MODEMCONFIG3: 0x26,
+	REG_NODEADR: 0x33,
+	REG_SYNC: 0x39,
+	REG_IMAGECAL: 0x3B,
+	REG_DIOMAPPING1: 0x40,
+
+	// Mode constants
+	MODE_SLEEP: 0x00,
+	MODE_STANDBY: 0x01,
+	MODE_LORA_SLEEP: 0x80,
+	MODE_LORA_STANDBY: 0x81,
+	MODE_LORA_TX: 0x83,
+};

gateway.js

@@ -1,6 +1,6 @@
 #!/usr/bin/env node
 const settings = {
-	
+	spi_device: "/dev/spidev0.0"
 };
 
 // Skip the first 2 items - they are node file.js
@@ -27,5 +27,8 @@ for(let i = 2; i < process.argv.length; i++) {
 			console.log("    (none yet)");
 			return;
 		
+		case "--spi-device":
+			settings.spi_device = process.argv[++i];
+			break;
 	}
 }