deuxyeux/RNode_Flasher
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implement parsing eeprom

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liamcottle
2024-07-14 21:56:50 +12:00
parent 4c6372c814
commit 71dc545df8
1 changed files with 234 additions and 1 deletions
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235
rnode.js
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@@ -478,4 +478,237 @@ class RNode {
]);
}
}
async getRomAsObject() {
const rom = await this.getRom();
return new ROM(rom);
}
}
class ROM {
static PLATFORM_AVR = 0x90
static PLATFORM_ESP32 = 0x80
static PLATFORM_NRF52 = 0x70
static MCU_1284P = 0x91
static MCU_2560 = 0x92
static MCU_ESP32 = 0x81
static MCU_NRF52 = 0x71
static PRODUCT_RAK4631 = 0x10
static MODEL_11 = 0x11
static MODEL_12 = 0x12
static PRODUCT_RNODE = 0x03
static MODEL_A1 = 0xA1
static MODEL_A6 = 0xA6
static MODEL_A4 = 0xA4
static MODEL_A9 = 0xA9
static MODEL_A3 = 0xA3
static MODEL_A8 = 0xA8
static MODEL_A2 = 0xA2
static MODEL_A7 = 0xA7
static PRODUCT_T32_10 = 0xB2
static MODEL_BA = 0xBA
static MODEL_BB = 0xBB
static PRODUCT_T32_20 = 0xB0
static MODEL_B3 = 0xB3
static MODEL_B8 = 0xB8
static PRODUCT_T32_21 = 0xB1
static MODEL_B4 = 0xB4
static MODEL_B9 = 0xB9
static MODEL_B4_TCXO = 0x04 // The TCXO model codes are only used here to select the
static MODEL_B9_TCXO = 0x09 // correct firmware, actual model codes in firmware is still 0xB4 and 0xB9.
static PRODUCT_H32_V2 = 0xC0
static MODEL_C4 = 0xC4
static MODEL_C9 = 0xC9
static PRODUCT_H32_V3 = 0xC1
static MODEL_C5 = 0xC5
static MODEL_CA = 0xCA
static PRODUCT_TBEAM = 0xE0
static MODEL_E4 = 0xE4
static MODEL_E9 = 0xE9
static MODEL_E3 = 0xE3
static MODEL_E8 = 0xE8
static PRODUCT_HMBRW = 0xF0
static MODEL_FF = 0xFF
static MODEL_FE = 0xFE
static ADDR_PRODUCT = 0x00
static ADDR_MODEL = 0x01
static ADDR_HW_REV = 0x02
static ADDR_SERIAL = 0x03
static ADDR_MADE = 0x07
static ADDR_CHKSUM = 0x0B
static ADDR_SIGNATURE = 0x1B
static ADDR_INFO_LOCK = 0x9B
static ADDR_CONF_SF = 0x9C
static ADDR_CONF_CR = 0x9D
static ADDR_CONF_TXP = 0x9E
static ADDR_CONF_BW = 0x9F
static ADDR_CONF_FREQ = 0xA3
static ADDR_CONF_OK = 0xA7
static INFO_LOCK_BYTE = 0x73
static CONF_OK_BYTE = 0x73
static BOARD_RNODE = 0x31
static BOARD_HMBRW = 0x32
static BOARD_TBEAM = 0x33
static BOARD_HUZZAH32 = 0x34
static BOARD_GENERIC_ESP32 = 0x35
static BOARD_LORA32_V2_0 = 0x36
static BOARD_LORA32_V2_1 = 0x37
static BOARD_RAK4631 = 0x51
static MANUAL_FLASH_MODELS = [ROM.MODEL_A1, ROM.MODEL_A6]
constructor(eeprom) {
this.eeprom = eeprom;
}
getProduct() {
return this.eeprom[ROM.ADDR_PRODUCT];
}
getModel() {
return this.eeprom[ROM.ADDR_MODEL];
}
getHardwareRevision() {
return this.eeprom[ROM.ADDR_HW_REV];
}
getSerialNumber() {
return [
this.eeprom[ROM.ADDR_SERIAL],
this.eeprom[ROM.ADDR_SERIAL + 1],
this.eeprom[ROM.ADDR_SERIAL + 2],
this.eeprom[ROM.ADDR_SERIAL + 3],
];
}
getMade() {
return [
this.eeprom[ROM.ADDR_MADE],
this.eeprom[ROM.ADDR_MADE + 1],
this.eeprom[ROM.ADDR_MADE + 2],
this.eeprom[ROM.ADDR_MADE + 3],
];
}
getChecksum() {
const checksum = [];
for(var i = 0; i < 16; i++){
checksum.push(this.eeprom[ROM.ADDR_CHKSUM + i]);
}
return checksum;
}
getSignature() {
const signature = [];
for(var i = 0; i < 128; i++){
signature.push(this.eeprom[ROM.ADDR_SIGNATURE + i]);
}
return signature;
}
getCalculatedChecksum() {
return this.md5([
this.getProduct(),
this.getModel(),
this.getHardwareRevision(),
this.getSerialNumber(),
this.getMade(),
]);
}
getConfiguredSpreadingFactor() {
return this.eeprom[ROM.ADDR_CONF_SF];
}
getConfiguredCodingRate() {
return this.eeprom[ROM.ADDR_CONF_CR];
}
getConfiguredTxPower() {
return this.eeprom[ROM.ADDR_CONF_TXP];
}
getConfiguredFrequency() {
return this.eeprom[ROM.ADDR_CONF_FREQ] << 24
| this.eeprom[ROM.ADDR_CONF_FREQ + 1] << 16
| this.eeprom[ROM.ADDR_CONF_FREQ + 2] << 8
| this.eeprom[ROM.ADDR_CONF_FREQ + 3];
}
getConfiguredBandwidth() {
return this.eeprom[ROM.ADDR_CONF_BW] << 24
| this.eeprom[ROM.ADDR_CONF_BW + 1] << 16
| this.eeprom[ROM.ADDR_CONF_BW + 2] << 8
| this.eeprom[ROM.ADDR_CONF_BW + 3];
}
isInfoLocked() {
return this.eeprom[ROM.ADDR_INFO_LOCK] === ROM.INFO_LOCK_BYTE;
}
isConfigured() {
return this.eeprom[ROM.ADDR_CONF_OK] === ROM.CONF_OK_BYTE;
}
md5(data) {
var bytes = [];
const hash = CryptoJS.MD5(data);
for(var i = 0; i < hash.sigBytes; i++){
bytes.push((hash.words[i >>> 2] >>> (24 - (i % 4) * 8)) & 0xff);
}
return bytes;
}
parse() {
// ensure info lock byte is set
if(!this.isInfoLocked()){
return null;
}
// parse expected details
var details = {
is_provisioned: true,
is_configured: this.isConfigured(),
product: this.getProduct(),
model: this.getModel(),
hardware_revision: this.getHardwareRevision(),
serial_number: this.getSerialNumber(),
made: this.getMade(),
checksum: this.getChecksum(),
signature: this.getSignature(),
calculated_checksum: this.getCalculatedChecksum(),
}
// if configured, add configuration to details
if(details.is_configured){
details = {
...details,
configured_spreading_factor: this.getConfiguredSpreadingFactor(),
configured_coding_rate: this.getConfiguredCodingRate(),
configured_tx_power: this.getConfiguredTxPower(),
configured_frequency: this.getConfiguredFrequency(),
configured_bandwidth: this.getConfiguredBandwidth(),
};
}
return details;
}
}