move to esptool-wrapper for flashing esp devices

package.json

@@ -22,6 +22,7 @@
   },
   "dependencies": {
     "async": "^2.6.1",
+    "esptool-wrapper": "^1.0.4",
     "serialport": "^6.2.2",
     "tape": "^4.9.1",
     "testbed-query-fixtures": "^1.0.0"

test/lora32/main/main.c

@@ -121,9 +121,11 @@ void set_mode(void *args) {
 }
 
 void send(void *args) {
-  ESP_LOGI(TAG, "sending: %s\n", (char*)args);
+  ESP_LOGI(TAG, "sending: %s", (char*)args);
 
   lora32_send(&lora, (uint8_t *)args, 12);
+
+  ESP_LOGI(TAG, "done");
 };
 
 void set_spreadfactor(void *args) {

test/test.js

@@ -1,4 +1,5 @@
 var async = require("async");
+var esptool = require("esptool-wrapper");
 var homedir = require("homedir")();
 var spawn = require("child_process").spawn;
 var SerialPort = require("serialport");
@@ -6,8 +7,6 @@ var path = require("path");
 var test = require("tape");
 var testbed = require("testbed-query-fixtures");
 
-const exec = path.join(process.env.IDF_PATH, "components", "esptool_py", "esptool", "esptool.py");
-
 const buildPath = path.join(__dirname, "lora32", "build");
 
 try {
@@ -31,41 +30,39 @@ if(devices.length < 2) {
 const TB_DEV1 = devices[0].DEVNAME;
 const TB_DEV2 = devices[1].DEVNAME;
 
-var args = [
-	"--chip",
-	"esp32",
-	"--baud",
-	"460800",
+var testBins = {
+	0x1000: path.join(buildPath, "bootloader/bootloader.bin"),
+	0x8000: path.join(buildPath, "partitions_singleapp.bin"),
+	0x10000: path.join(buildPath, "lora32.bin")
+};
+
+function flash(port, cb) {
+  var argsReset = [
     "--before",
     "default_reset",
     "--after",
-	"hard_reset",
-	"write_flash",
+    "hard_reset"
+  ];
+
+  var argsWriteFlash = [
     "-z",
     "--flash_mode",
     "dio",
     "--flash_freq",
     "40m",
     "--flash_size",
-	"detect",
-	"0x1000",
-	path.join(buildPath, "bootloader/bootloader.bin"),
-	"0x10000",
-	path.join(buildPath, "lora32.bin"),
-	"0x8000",
-	path.join(buildPath, "partitions_singleapp.bin")
+    "detect"
   ];
 
-function flash(port, cb) {
   console.log("Flashing devices at %s", port);
 
-  var cp = spawn(exec, ["--port", port].concat(args));
-
-  cp.on("exit", function(code) {
-    console.log("%s\nexited: %d", port, code);
-
-    cb(code === 0 ? null : new Error("exited non-zero: " + code));
-  });
+  esptool({
+    port: port,
+    baud: 460800,
+    files: testBins,
+    args: argsReset,
+    cmdArgs: argsWriteFlash
+  }, cb);
 }
 
 function toggleReset(sp) {