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#!/usr/bin/env node
"use strict";
let fs = require("fs")
let child_process = require("child_process")
function fatal(msg) {
console.log("Fatal error:", msg)
process.exit(1)
}
function main() {
let mapFileName = process.argv[2]
if (!mapFileName) {
console.log("usage: node " + process.argv[1] + " build/mytarget/source/myprog.map")
return
}
console.log("Map file: " + mapFileName)
let mapFile = fs.readFileSync(mapFileName, "utf8")
let addr = 0
let logSize = 1024 * 4 + 4
for (let ln of mapFile.split(/\r?\n/)) {
let m = /^\s*0x00000([0-9a-f]+)\s+(\S+)/.exec(ln)
if (m && m[2] == "codalLogStore") {
addr = parseInt(m[1], 16)
break
}
}
if (!addr) fatal("Cannot find codalLogStore symbol in map file")
let dirs = [
process.env["HOME"] + "/Library/Arduino15",
process.env["USERPROFILE"] + "/AppData/Local/Arduino15",
process.env["HOME"] + "/.arduino15",
]
let pkgDir = ""
for (let d of dirs) {
pkgDir = d + "/packages/arduino/"
if (fs.existsSync(pkgDir)) break
pkgDir = ""
}
if (!pkgDir) fatal("cannot find Arduino packages directory")
let openocdPath = pkgDir + "tools/openocd/0.9.0-arduino/"
if (!fs.existsSync(openocdPath)) fatal("openocd not installed in Arduino")
let openocdBin = openocdPath + "bin/openocd"
if (process.platform == "win32")
openocdBin += ".exe"
let zeroCfg = pkgDir + "hardware/samd/1.6.8/variants/arduino_zero/openocd_scripts/arduino_zero.cfg"
let cmd = `init; set M(0) 0; mem2array M 8 ${addr} ${logSize}; parray M; exit`
console.log("Starting openocd")
child_process.execFile(openocdBin, ["-d2",
"-s", openocdPath + "/share/openocd/scripts/",
"-f", zeroCfg,
"-c", cmd], {
maxBuffer: 1 * 1024 * 1024,
}, (err, stdout, stderr) => {
if (err) {
fatal("error: " + err.message)
}
let buf = new Buffer(logSize)
for (let l of stdout.split(/\r?\n/)) {
let m = /^M\((\d+)\)\s*=\s*(\d+)/.exec(l)
if (m) {
buf[parseInt(m[1])] = parseInt(m[2])
}
}
let len = buf.readUInt32LE(0)
if (len == 0 || len > buf.length) {
console.log(stderr)
console.log("No logs.")
} else {
console.log("*\n* Logs\n*\n")
console.log(buf.slice(4, 4 + len).toString("binary"))
}
})
}
main()
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