wipe and provision eeprom
This commit is contained in:
liamcottle
156
index.html
156
index.html
@@ -60,6 +60,20 @@
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</button>
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</div>
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<div>
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<div>4. Provision eeprom with device info, checksum and signature.</div>
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<button @click="provision" class="border border-gray-500 px-2 bg-gray-100 hover:bg-gray-200 rounded">
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Provision
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</button>
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</div>
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<div>
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<div>0. Extra Tools</div>
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<button @click="wipe" class="border border-gray-500 px-2 bg-gray-100 hover:bg-gray-200 rounded">
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Wipe EEPROM
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</button>
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</div>
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</div>
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<script>
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@@ -180,6 +194,148 @@
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await rnode.close();
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},
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packInt(value) {
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const buffer = new ArrayBuffer(4); // 4 bytes for a 32-bit integer
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const view = new DataView(buffer);
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view.setUint32(0, value, false); // false for big-endian
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return new Uint8Array(buffer);
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},
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unpackInt(byteArray) {
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const buffer = new Uint8Array(byteArray).buffer; // Get the underlying ArrayBuffer from the byte array
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const view = new DataView(buffer);
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return view.getUint32(0, false); // false for big-endian
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},
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async wipe() {
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// ask for serial port
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const serialPort = await this.askForSerialPort();
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if(!serialPort){
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return;
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}
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// ask user to confirm
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if(!confirm("Are you sure you want to wipe the eeprom on this device?")){
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return;
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}
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// check if device is an rnode
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const rnode = await RNode.fromSerialPort(serialPort);
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const isRNode = await rnode.detect();
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if(!isRNode){
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alert("Selected device is not an RNode!");
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return;
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}
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// wipe eeprom
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console.log("wiping eeprom");
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await rnode.wipeRom();
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console.log("wiping eeprom: done");
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// must reboot device after wipe
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await rnode.reset();
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await rnode.close();
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// done
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alert("eeprom has been wiped!");
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},
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async provision() {
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// ask for serial port
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const serialPort = await this.askForSerialPort();
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if(!serialPort){
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return;
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}
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// check if device is an rnode
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const rnode = await RNode.fromSerialPort(serialPort);
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const isRNode = await rnode.detect();
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if(!isRNode){
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alert("Selected device is not an RNode!");
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return;
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}
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const rom = await rnode.getRomAsObject();
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const details = rom.parse();
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if(details){
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console.log(details);
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alert("Eeprom is already provisioned. You must wipe it to reprovision!");
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await rnode.close();
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return;
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}
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console.log("device is not provisioned yet, doing it now...");
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// determine device info
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const product = ROM.PRODUCT_RAK4631;
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const model = ROM.MODEL_12;
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const hardwareRevision = 0x1;
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const serialNumber = 1;
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const timestampInSeconds = Math.floor(Date.now() / 1000);
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const serialBytes = this.packInt(serialNumber);
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const timestampBytes = this.packInt(timestampInSeconds);
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// compute device info checksum
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const checksum = Utils.md5([
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product,
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model,
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hardwareRevision,
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...serialBytes,
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...timestampBytes,
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]);
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console.log("checksum", checksum);
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// write device info to eeprom
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console.log("writing device info");
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await rnode.writeRom(ROM.ADDR_PRODUCT, product);
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await rnode.writeRom(ROM.ADDR_MODEL, model);
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await rnode.writeRom(ROM.ADDR_HW_REV, hardwareRevision);
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await rnode.writeRom(ROM.ADDR_SERIAL, serialBytes[0]);
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await rnode.writeRom(ROM.ADDR_SERIAL + 1, serialBytes[1]);
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await rnode.writeRom(ROM.ADDR_SERIAL + 2, serialBytes[2]);
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await rnode.writeRom(ROM.ADDR_SERIAL + 3, serialBytes[3]);
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await rnode.writeRom(ROM.ADDR_MADE, timestampBytes[0]);
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await rnode.writeRom(ROM.ADDR_MADE + 1, timestampBytes[1]);
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await rnode.writeRom(ROM.ADDR_MADE + 2, timestampBytes[2]);
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await rnode.writeRom(ROM.ADDR_MADE + 3, timestampBytes[3]);
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console.log("writing device info: done");
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// write checksum to eeprom
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console.log("writing checksum");
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for(var i = 0; i < 16; i++){
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await rnode.writeRom(ROM.ADDR_CHKSUM + i, checksum[i]);
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}
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console.log("writing checksum: done");
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// write signature to eeprom
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// fixme: actually implement signature, for now it's just zeroed out
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console.log("writing signature");
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for(var i = 0; i < 128; i++){
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// await rnode.writeRom(ROM.ADDR_SIGNATURE + i, signature[i]);
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await rnode.writeRom(ROM.ADDR_SIGNATURE + i, 0x00); // fixme: fake signature
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}
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console.log("writing signature: done");
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// write info lock byte to eeprom
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console.log("writing lock byte");
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await rnode.writeRom(ROM.ADDR_INFO_LOCK, ROM.INFO_LOCK_BYTE);
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console.log("writing lock byte: done");
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// todo get partition hash from release.json OR directly from the firmware.bin
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// partition_filename = fw_filename.replace(".zip", ".bin")
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// partition_hash = get_partition_hash(rnode.platform, UPD_DIR+"/"+selected_version+"/"+partition_filename)
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// todo set firmware hash in eeprom
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// RNS.log("Setting firmware checksum...")
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// rnode.set_firmware_hash(partition_hash)
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// done
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await rnode.reset();
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await rnode.close();
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console.log("done");
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},
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},
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}).mount('#app');
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</script>
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