deuxyeux/RNode_Flasher
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start implementing rnode management over web serial

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liamcottle
2024-07-14 02:42:49 +12:00
commit d18874c384
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rnode.js Normal file
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class RNode {
static BAUD_RATE = 115200;
KISS_FEND = 0xC0;
KISS_FESC = 0xDB;
KISS_TFEND = 0xDC;
KISS_TFESC = 0xDD;
CMD_FREQUENCY = 0x01;
CMD_BANDWIDTH = 0x02;
CMD_TXPOWER = 0x03;
CMD_SF = 0x04;
CMD_CR = 0x05;
CMD_RADIO_STATE = 0x06;
CMD_STAT_RX = 0x21;
CMD_STAT_TX = 0x22
CMD_STAT_RSSI = 0x23;
CMD_STAT_SNR = 0x24;
CMD_BOARD = 0x47;
CMD_PLATFORM = 0x48;
CMD_MCU = 0x49;
CMD_RESET = 0x55;
CMD_RESET_BYTE = 0xF8;
CMD_DEV_HASH = 0x56;
CMD_FW_VERSION = 0x50;
CMD_ROM_READ = 0x51;
CMD_CONF_SAVE = 0x53;
CMD_CONF_DELETE = 0x54;
CMD_HASHES = 0x60;
CMD_BT_CTRL = 0x46;
CMD_BT_PIN = 0x62;
CMD_DETECT = 0x08;
DETECT_REQ = 0x73;
DETECT_RESP = 0x46;
PLATFORM_AVR = 0x90;
PLATFORM_ESP32 = 0x80;
PLATFORM_NRF52 = 0x70;
MCU_1284P = 0x91;
MCU_2560 = 0x92;
MCU_ESP32 = 0x81;
MCU_NRF52 = 0x71;
BOARD_RNODE = 0x31;
BOARD_HMBRW = 0x32;
BOARD_TBEAM = 0x33;
BOARD_HUZZAH32 = 0x34;
BOARD_GENERIC_ESP32 = 0x35;
BOARD_LORA32_V2_0 = 0x36;
BOARD_LORA32_V2_1 = 0x37;
BOARD_RAK4631 = 0x51;
HASH_TYPE_TARGET_FIRMWARE = 0x01;
HASH_TYPE_FIRMWARE = 0x02;
constructor() {
this.readable = null;
this.writable = null;
}
static fromSerialPort(port) {
const rnode = new RNode();
rnode.readable = port.readable;
rnode.writable = port.writable;
return rnode;
}
async write(bytes) {
const writer = this.writable.getWriter();
try {
await writer.write(new Uint8Array(bytes));
} finally {
writer.releaseLock();
}
}
async readFromSerialPort() {
const reader = this.readable.getReader();
try {
let buffer = [];
while(true){
const { value, done } = await reader.read();
if(done){
break;
}
if(value){
for(let byte of value){
buffer.push(byte);
if(byte === this.KISS_FEND){
if(buffer.length > 1){
return this.handleKISSFrame(buffer);
}
buffer = [this.KISS_FEND]; // Start new frame
}
}
}
}
} catch (error) {
console.error('Error reading from serial port: ', error);
} finally {
reader.releaseLock();
}
}
handleKISSFrame(frame) {
let data = [];
let escaping = false;
// Skip the initial 0xC0 and process the rest
for(let i = 1; i < frame.length; i++){
let byte = frame[i];
if (escaping) {
if (byte === this.KISS_TFEND) {
data.push(this.KISS_FEND);
} else if (byte === this.KISS_TFESC) {
data.push(this.KISS_FESC);
}
escaping = false;
} else {
if (byte === this.KISS_FESC) {
escaping = true;
} else if (byte === this.KISS_FEND) {
// Ignore the end frame delimiter
break;
} else {
data.push(byte);
}
}
}
console.log('Received KISS frame data:', new Uint8Array(data));
return data;
}
createKissFrame(data) {
let frame = [this.KISS_FEND];
for(let byte of data){
if(byte === this.KISS_FEND){
frame.push(this.KISS_FESC, this.KISS_TFEND);
} else if(byte === this.KISS_FESC){
frame.push(this.KISS_FESC, this.KISS_TFESC);
} else {
frame.push(byte);
}
}
frame.push(this.KISS_FEND);
return new Uint8Array(frame);
}
async sendKissCommand(data) {
await this.write(this.createKissFrame(data));
}
async reset() {
await this.sendKissCommand([
this.CMD_RESET,
this.CMD_RESET_BYTE,
]);
}
async detect() {
// ask if device is rnode
await this.sendKissCommand([
this.CMD_DETECT,
this.DETECT_REQ,
]);
// read response from device
const [ command, responseByte ] = await this.readFromSerialPort();
// device is an rnode if response is as expected
return command === this.CMD_DETECT && responseByte === this.DETECT_RESP;
}
async getFirmwareVersion() {
await this.sendKissCommand([
this.CMD_FW_VERSION,
0x00,
]);
// read response from device
var [ command, majorVersion, minorVersion ] = await this.readFromSerialPort();
if(minorVersion.length === 1){
minorVersion = "0" + minorVersion;
}
// 1.23
return majorVersion + "." + minorVersion;
}
async getPlatform() {
await this.sendKissCommand([
this.CMD_PLATFORM,
0x00,
]);
// read response from device
const [ command, platformByte ] = await this.readFromSerialPort();
return platformByte;
}
async getMcu() {
await this.sendKissCommand([
this.CMD_MCU,
0x00,
]);
// read response from device
const [ command, mcuByte ] = await this.readFromSerialPort();
return mcuByte;
}
async getBoard() {
await this.sendKissCommand([
this.CMD_BOARD,
0x00,
]);
// read response from device
const [ command, boardByte ] = await this.readFromSerialPort();
return boardByte;
}
async getDeviceHash() {
await this.sendKissCommand([
this.CMD_DEV_HASH,
0x01, // anything != 0x00
]);
// read response from device
const [ command, ...deviceHash ] = await this.readFromSerialPort();
return deviceHash;
}
async getTargetFirmwareHash() {
await this.sendKissCommand([
this.CMD_HASHES,
this.HASH_TYPE_TARGET_FIRMWARE,
]);
// read response from device
const [ command, hashType, ...targetFirmwareHash ] = await this.readFromSerialPort();
return targetFirmwareHash;
}
async getFirmwareHash() {
await this.sendKissCommand([
this.CMD_HASHES,
this.HASH_TYPE_FIRMWARE,
]);
// read response from device
const [ command, hashType, ...firmwareHash ] = await this.readFromSerialPort();
return firmwareHash;
}
async getRom() {
await this.sendKissCommand([
this.CMD_ROM_READ,
0x00,
]);
// read response from device
const [ command, ...eepromBytes ] = await this.readFromSerialPort();
return eepromBytes;
}
async getFrequency() {
await this.sendKissCommand([
this.CMD_FREQUENCY,
// request frequency by sending zero as 4 bytes
0x00,
0x00,
0x00,
0x00,
]);
// read response from device
const [ command, ...frequencyBytes ] = await this.readFromSerialPort();
// convert 4 bytes to 32bit integer representing frequency in hertz
const frequencyInHz = frequencyBytes[0] << 24 | frequencyBytes[1] << 16 | frequencyBytes[2] << 8 | frequencyBytes[3];
return frequencyInHz;
}
async getBandwidth() {
await this.sendKissCommand([
this.CMD_BANDWIDTH,
// request bandwidth by sending zero as 4 bytes
0x00,
0x00,
0x00,
0x00,
]);
// read response from device
const [ command, ...bandwidthBytes ] = await this.readFromSerialPort();
// convert 4 bytes to 32bit integer representing bandwidth in hertz
const bandwidthInHz = bandwidthBytes[0] << 24 | bandwidthBytes[1] << 16 | bandwidthBytes[2] << 8 | bandwidthBytes[3];
return bandwidthInHz;
}
async getTxPower() {
await this.sendKissCommand([
this.CMD_TXPOWER,
0xFF, // request tx power
]);
// read response from device
const [ command, txPower ] = await this.readFromSerialPort();
return txPower;
}
async getSpreadingFactor() {
await this.sendKissCommand([
this.CMD_SF,
0xFF, // request spreading factor
]);
// read response from device
const [ command, spreadingFactor ] = await this.readFromSerialPort();
return spreadingFactor;
}
async getCodingRate() {
await this.sendKissCommand([
this.CMD_CR,
0xFF, // request coding rate
]);
// read response from device
const [ command, codingRate ] = await this.readFromSerialPort();
return codingRate;
}
async getRadioState() {
await this.sendKissCommand([
this.CMD_RADIO_STATE,
0xFF, // request radio state
]);
// read response from device
const [ command, radioState ] = await this.readFromSerialPort();
return radioState;
}
async getRxStat() {
await this.sendKissCommand([
this.CMD_STAT_RX,
0x00,
]);
// read response from device
const [ command, ...statBytes ] = await this.readFromSerialPort();
// convert 4 bytes to 32bit integer
const stat = statBytes[0] << 24 | statBytes[1] << 16 | statBytes[2] << 8 | statBytes[3];
return stat;
}
async getTxStat() {
await this.sendKissCommand([
this.CMD_STAT_TX,
0x00,
]);
// read response from device
const [ command, ...statBytes ] = await this.readFromSerialPort();
// convert 4 bytes to 32bit integer
const stat = statBytes[0] << 24 | statBytes[1] << 16 | statBytes[2] << 8 | statBytes[3];
return stat;
}
async getRssiStat() {
await this.sendKissCommand([
this.CMD_STAT_RSSI,
0x00,
]);
// read response from device
const [ command, rssi ] = await this.readFromSerialPort();
return rssi;
}
async disableBluetooth() {
await this.sendKissCommand([
this.CMD_BT_CTRL,
0x00, // stop
]);
}
async enableBluetooth() {
await this.sendKissCommand([
this.CMD_BT_CTRL,
0x01, // start
]);
}
async startBluetoothPairing() {
await this.sendKissCommand([
this.CMD_BT_CTRL,
0x02, // enable pairing
]);
}
// setTNCMode
async saveConfig() {
await this.sendKissCommand([
this.CMD_CONF_SAVE,
0x00,
]);
}
// setNormalMode
async deleteConfig() {
await this.sendKissCommand([
this.CMD_CONF_DELETE,
0x00,
]);
}
}