43 lines
828 B
JavaScript
43 lines
828 B
JavaScript
let SerialPort = require('serialport')
|
|
|
|
let port = new SerialPort('/dev/ttyS7', {
|
|
baudRate: 115200,
|
|
stopBits: 1
|
|
});
|
|
|
|
let packetLength = 1
|
|
let lastChar = -1
|
|
let txCount = 0
|
|
let rxCount = 0
|
|
let errorCount = 0
|
|
let message = 'Now is the time for all good men to come to the aid of the party\0'
|
|
|
|
|
|
port.on('data', function (inBuff) {
|
|
process.stdout.write(inBuff)
|
|
rxCount += inBuff.length
|
|
|
|
})
|
|
|
|
|
|
let sendMsgs = function () {
|
|
port.write(message, 'binary', function () {
|
|
txCount += message.length
|
|
setTimeout(sendMsgs, 10)
|
|
})
|
|
}
|
|
|
|
|
|
sendMsgs()
|
|
|
|
|
|
process.on('SIGINT', function() {
|
|
console.log("\nCaught interrupt signal")
|
|
console.log("Tx bytes: ", txCount)
|
|
console.log("Rx bytes: ", rxCount)
|
|
console.log("Rx errors: ", errorCount)
|
|
port.write('Force error', 'binary', function () {
|
|
process.exit()
|
|
})
|
|
})
|