From 322af92d45d1d4cc74d0761b3837ca47fb8bf02b Mon Sep 17 00:00:00 2001
From: cTn <ctndesigner@gmail.com>
Date: Sat, 30 Aug 2014 08:59:21 +0200
Subject: [PATCH] add / implement flash slowly option in firmware flasher

this will allow flashing via serial adapters that doesn't support 921600
flashing via various bluetooth adapters will be also possible now
(untested)
---
 _locales/en/messages.json  |  6 ++++++
 js/protocols/stm32.js      | 13 +++++++++----
 tabs/firmware_flasher.html |  7 ++++++-
 tabs/firmware_flasher.js   | 25 ++++++++++++++++++++-----
 4 files changed, 41 insertions(+), 10 deletions(-)

diff --git a/_locales/en/messages.json b/_locales/en/messages.json
index b5569f7696..eec2601be2 100644
--- a/_locales/en/messages.json
+++ b/_locales/en/messages.json
@@ -530,6 +530,12 @@
     "firmwareFlasherFullChipErase": {
         "message": "Full Chip Erase"
     },
+    "firmwareFlasherFlashSlowly": {
+        "message": "Flash slowly"
+    },
+    "firmwareFlasherFlashSlowlyTitle": {
+        "message": "Use 115200 baudrate for flashing"
+    },
     "firmwareFlasherButtonLoadLocal": {
         "message": "Load Firmware [Local]"
     },
diff --git a/js/protocols/stm32.js b/js/protocols/stm32.js
index 8558bf1224..1cb4bdd94d 100644
--- a/js/protocols/stm32.js
+++ b/js/protocols/stm32.js
@@ -51,11 +51,12 @@ STM32_protocol.prototype.connect = function (port, baud, hex, options) {
     var self = this;
     self.hex = hex;
 
-    // we will crunch the options here since doing it inside initialization routine would be too late / redundant
+    // we will crunch the options here since doing it inside initialization routine would be too late
     self.options = {
         no_reboot:      false,
         reboot_baud:    false,
-        erase_chip:     false
+        erase_chip:     false,
+        flash_slowly:   false
     };
 
     if (options.no_reboot) {
@@ -68,8 +69,12 @@ STM32_protocol.prototype.connect = function (port, baud, hex, options) {
         self.options.erase_chip = true;
     }
 
+    if (options.flash_slowly) {
+        self.options.flash_slowly = true;
+    }
+
     if (self.options.no_reboot) {
-        serial.connect(port, {bitrate: baud, parityBit: 'even', stopBits: 'one'}, function (openInfo) {
+        serial.connect(port, {bitrate: (!self.options.flash_slowly) ? baud : 115200, parityBit: 'even', stopBits: 'one'}, function (openInfo) {
             if (openInfo) {
                 // we are connected, disabling connect button in the UI
                 GUI.connect_lock = true;
@@ -95,7 +100,7 @@ STM32_protocol.prototype.connect = function (port, baud, hex, options) {
                 serial.send(bufferOut, function () {
                     serial.disconnect(function (result) {
                         if (result) {
-                            serial.connect(port, {bitrate: baud, parityBit: 'even', stopBits: 'one'}, function (openInfo) {
+                            serial.connect(port, {bitrate: (!self.options.flash_slowly) ? baud : 115200, parityBit: 'even', stopBits: 'one'}, function (openInfo) {
                                 if (openInfo) {
                                     self.initialize();
                                 } else {
diff --git a/tabs/firmware_flasher.html b/tabs/firmware_flasher.html
index 4f94451f64..59adba33a0 100644
--- a/tabs/firmware_flasher.html
+++ b/tabs/firmware_flasher.html
@@ -1,6 +1,6 @@
 <div class="tab-firmware_flasher">
     <div class="info">
-        <strong i18n="firmwareFlasherPath"></strong><span class="path">empty</span><br />
+        <strong i18n="firmwareFlasherPath"></strong><span class="path">Please load firmware file</span><br />
         <strong i18n="firmwareFlasherSize"></strong><span class="size">0 bytes</span><br />
         <strong i18n="firmwareFlasherProgress"></strong><progress class="progress" value="0" min="0" max="100"></progress>
     </div>
@@ -22,6 +22,11 @@
             <span i18n="firmwareFlasherFullChipErase"></span>
         </label>
         <div class="clear-both"></div>
+        <label i18n_title="firmwareFlasherFlashSlowlyTitle">
+            <input class="flash_slowly" type="checkbox" />
+            <span i18n="firmwareFlasherFlashSlowly"></span>
+        </label>
+        <div class="clear-both"></div>
     </div>
     <div class="clear-both"></div>
     <div class="git_info">
diff --git a/tabs/firmware_flasher.js b/tabs/firmware_flasher.js
index d8daf285ca..d5b5ceb55f 100644
--- a/tabs/firmware_flasher.js
+++ b/tabs/firmware_flasher.js
@@ -111,9 +111,9 @@ TABS.firmware_flasher.initialize = function (callback) {
                     if (parsed_hex != false) {
                         if (String($('div#port-picker #port').val()) != 'DFU') {
                             if (String($('div#port-picker #port').val()) != '0') {
-                                var options = {};
-                                var port = String($('div#port-picker #port').val());
-                                var baud;
+                                var options = {},
+                                    port = String($('div#port-picker #port').val()),
+                                    baud;
 
                                 switch (GUI.operating_system) {
                                     case 'Windows':
@@ -138,6 +138,10 @@ TABS.firmware_flasher.initialize = function (callback) {
                                     options.erase_chip = true;
                                 }
 
+                                if ($('input.flash_slowly').is(':checked')) {
+                                    options.flash_slowly = true;
+                                }
+
                                 STM32.connect(port, baud, parsed_hex, options);
                             } else {
                                 console.log('Please select valid serial port');
@@ -241,9 +245,20 @@ TABS.firmware_flasher.initialize = function (callback) {
 
             // bind UI hook so the status is saved on change
             $('input.erase_chip').change(function () {
-                var status = $(this).is(':checked');
+                chrome.storage.local.set({'erase_chip': $(this).is(':checked')});
+            });
+        });
 
-                chrome.storage.local.set({'erase_chip': status});
+        chrome.storage.local.get('flash_slowly', function (result) {
+            if (result.flash_slowly) {
+                $('input.flash_slowly').prop('checked', true);
+            } else {
+                $('input.flash_slowly').prop('checked', false);
+            }
+
+            // bind UI hook so the status is saved on change
+            $('input.flash_slowly').change(function () {
+                chrome.storage.local.set({'flash_slowly': $(this).is(':checked')});
             });
         });