Files
agent/packages/usb/get-slave-i2c-errors.js
2018-01-15 01:07:23 +01:00

57 lines
1.3 KiB
JavaScript
Executable File

#!/usr/bin/env node
const process = require('process');
const uhk = require('./uhk');
const slaveId = parseInt(process.argv[2]);
const device = uhk.getUhkDevice();
const sendData = new Buffer([uhk.usbCommands.getSlaveI2cErrors, slaveId]);
device.write(uhk.getTransferData(sendData));
const response = Buffer.from(device.readSync());
//console.log(response);
let status = response[0];
if (status != 0) {
console.log('Invalid slave id');
process.exit(1);
}
function slaveI2cErrorBufferToString(buffer) {
let statusCount = buffer[1];
const slaveIdToName = [
'leftHalf',
'leftAddon',
'rightAddon',
'rightLedDriver',
'leftLedDriver',
'kboot',
];
let str = `${slaveIdToName[slaveId].padEnd(14)}: `;
const statusCodesToStrings = {
0: 'nak',
1: 'failure',
1100: 'busy',
1101: 'idle',
1102: 'nak',
1103: 'arbitrationLost',
1104: 'timeout',
20000: 'idleSlave',
20001: 'idleCycle',
};
for (let i=0; i<statusCount; i++) {
let status = uhk.getUint32(buffer, i*8+2);
let count = uhk.getUint32(buffer, i*8+4+2);
str += `${statusCodesToStrings[status]}:${count} `;
}
return str;
}
let str = slaveI2cErrorBufferToString(response);
console.log(str);