2019款天籁航盛车机V9716简单拆机,求ttl接线法

cqaj

2019款天籁航盛车机V9716，板子是IMX6S，基于Linux+QT开发的系统，支持mp3、收音机、倒车后视。更改刷机文件刷机升级后卡在TSLIB触摸校准那，进不去系统了，左思右想，不得解，于是拆了看看。:lol:
7寸800*480的屏幕。



想好了拆机，说拆就拆。开动。。。。

拆螺丝的过程就不写了，直接上主板图。













至此拆解完成。求大神们，帮忙分析分析，怎样ttl接线，谢谢。

jhjjrr

航盛的太垃圾了  扔了吧

cqaj

jhjjrr 发表于 2020-9-29 07:37
航盛的太垃圾了  扔了吧

呵呵。。。。。。

cqaj

通过参考其他核心板找到了调试串口，发现一直循环启动，求大神指点，怎样打断循环，刷入正确的系统包，谢谢。具体输出部分如下，明细见附件：

1. --xcq---start---
   
2. 
   
3. 
   
4. ----Starting kernel ...
   
5. 
   
6. 
   
7. open /proc/schedstat: No such file or directory
   
8. [Reverse-ctrl] Enter Reading configuration file
   
9. [Reverse-ctrl] reverse_ctrl_main.c, line 434 : line_buf: gdbus_poll_time = 20 # interval in ms for polling gdbus service
   
10. 
    
11. [Reverse-ctrl] reverse_ctrl_main.c, line 438 : param_name is gdbus_poll_time, param_value is 20
    
12. [Reverse-ctrl] reverse_ctrl_main.c, line 446 : gdbus_poll_time, tv_sec = 0, tv_nsec = 20000000
    
13. [Reverse-ctrl] reverse_ctrl_main.c, line 434 : line_buf: dev_path = /dev/fb1
    
14. 
    
15. [Reverse-ctrl] reverse_ctrl_main.c, line 438 : param_name is dev_path, param_value is /dev/fb1
    
16. [Reverse-ctrl] reverse_ctrl_main.c, line 451 : dev_path is /dev/fb1
    
17. [Reverse-ctrl] reverse_ctrl_main.c, line 434 : line_buf: filename = /usr/app/hsae-reverse-ctrl/bootlogo/logo.hsae
    
18. 
    
19. [Reverse-ctrl] reverse_ctrl_main.c, line 438 : param_name is filename, param_value is /usr/app/hsae-reverse-ctrl/bootlogo/logo.hsae
    
20. [Reverse-ctrl] reverse_ctrl_main.c, line 460 : filename is /usr/app/hsae-reverse-ctrl/bootlogo/logo.hsae
    
21. [Reverse-ctrl] reverse_ctrl_main.c, line 434 : line_buf: pic_count = 120
    
22. 
    
23. [Reverse-ctrl] reverse_ctrl_main.c, line 438 : param_name is pic_count, param_value is 120
    
24. [Reverse-ctrl] reverse_ctrl_main.c, line 465 : pic_count is 120
    
25. [Reverse-ctrl] reverse_ctrl_main.c, line 434 : line_buf: interval = 55 # interval in ms for playing each animation frame
    
26. 
    
27. [Reverse-ctrl] reverse_ctrl_main.c, line 438 : param_name is interval, param_value is 55
    
28. [Reverse-ctrl] reverse_ctrl_main.c, line 470 : interval is 55
    
29. [Reverse-ctrl] reverse_ctrl_main.c, line 434 : line_buf: reverse_state_file = /dev/hsae
    
30. 
    
31. [Reverse-ctrl] reverse_ctrl_main.c, line 438 : param_name is reverse_state_file, param_value is /dev/hsae
    
32. [Reverse-ctrl] reverse_ctrl_main.c, line 476 : reverse state file is /dev/hsae
    
33. [Reverse-ctrl] reverse_ctrl_main.c, line 434 : line_buf: trace_level = 1
    
34. 
    
35. [Reverse-ctrl] reverse_ctrl_main.c, line 438 : param_name is trace_level, param_value is 1
    
36. [Reverse-ctrl] reverse_ctrl_main.c, line 158 : open_rev_dev
    
37. [Reverse-ctrl] reverse_ctrl_main.c, line 166 : open_rev_dev--end rev_fd:3
    
38. [Reverse-ctrl] reverse_ctrl_main.c, line 625 : Reverse status changed to 0, hmi_ok:0,tmp_status:0
    
39. [Reverse-ctrl] Enter Starting playing boot animation
    
40. before width = 800,height = 480,bits_per_pixel = 16
    
41. before setFbShow width = 800,height = 480,bits_per_pixel = 16
    
42. setFbShow width = 800,height = 480,bits_per_pixel = 24
    
43. start setFbAlpha
    
44. 77
    
45.  [MCU AGENT] Server Version 18.05.180822 .
    
46. ********mcu_Agent log_level:2********
    
47. tslib library built on Nov  6 2015 17:03:28
    
48. Open at24c02 fail!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
    
49. [cxl] [creatplugins start] test time = 4 s, 413877 us
    
50. 
    
51. TheXPresenter start up...
    
52. TheXMCUAGT start up...
    
53. [TheXMCUAGT] ----- TheXMCUAGT-----thread: [7328b220]
    
54. 
    
55. [TheXMCUAGT]------------ init -------
    
56. 
    
57.  [MCU AGENT] Client Library Version 18.05.181548 .
    
58. success
    
59. 0000: E0 02 00 02
    
60. [TheXMCUAGT]---mcuagtInit
    
61. [TheXMCUAGT] ----- getCoreboardResumeInfo
    
62. 0000: E0 81 04 00 00 00 20 A5
    
63. [TheXMCUAGT]------------ HEARTBEAT_ON !-------
    
64. [TheXMCUAGT]------------ init m_bRadioInited = 0
    
65. [TheMcuCtl] ----- TheMcuCtl start up...
    
66. [TheMcuCtl] ----- Init-----thread: [7328b220]
    
67. !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!TheXPower start up...
    
68. HSRegisterPlugin 0 .
    
69. !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!TheXMRev start up...
    
70. HSRegisterPlugin 1792 .
    
71. TheXBT start up...
    
72. [UsbMedia] : Music start up...
    
73. [UsbMedia] : create hsFileScan!!
    
74. **[devicemanage]**TheXDeviceDetect start up...
    
75. 
    
76. **[ipod]**TheXIpod start up...
    
77. 
    
78. **[TheiPodPlayThread]**TheiPodCommand start up...
    
79. 
    
80. **[iPodCommand]**TheiPodCommand start up...
    
81. 
    
82. **[iPodCommand]**initiPod****
    
83. 
    
84. **[iPodCommand]**initListIdData****
    
85. 
    
86. **[TheDeviceThread]**TheDeviceThread start up...
    
87. 
    
88. TheXDiag start up...
    
89. HSRegisterPlugin 8448 .
    
90. HSBluetoothControl::HSBluetoothControl thread:1932046880
    
91. shmid:0
    
92. 0000: 24 21 01 04 24
    
93. 0000: 24 30 02 06 00 34
    
94. 0000: 24 A3 01 00 A2
    
95. 0000: 24 08 01 01 08
    
96. 0000: 24 A7 01 00 A6
    
97. 0000: 24 11 02 00 01 12
    
98. 0000: 24 31 02 10 18 3B
    
99. 0000: 24 31 02 09 10 2A
    
100. 0000: 24 27 01 01 27
     
101. 0000: 24 23 08 20 05 05 05 05 05 00 00 0E
     
102. 0000: 24 30 02 00 01 33
     
103. 0000: 24 2A 02 00 00 28
     
104. 0000: 24 30 02 02 01 31
     
105. 0000: 24 30 02 05 01 36
     
106. 0000: 24 AC 03 00 08 00 A7
     
107. [TheXMCUAGT] -----  g_CurSourceId Id = [4]
     
108. [TheXMCUAGT] ---RetDevicePlugStatus _hasCamera = 0
     
109. [TheXMCUAGT] ---RetDevicePlugStatus _eqPinValue = 0
     
110. [TheXMCUAGT] _language  = 0
     
111. [TheXMCUAGT] -----RetTimeDispStatus : 1
     
112. [TheXMCUAGT] -----RetTFTBackLightStatus  _backlight:0
     
113. [TheXMCUAGT] ---RetPowerStatus --power_status:0 ,power_mode : 1
     
114. [TheXMCUAGT] ---RetDevicePlugStatus _iLLlightState :1
     
115. [TheXMCUAGT] ----- RetDayNightModeInfo dayNightMode :1,isAutoMode:1
     
116. Level 2
     
117. HSBluetoothControl::getAutoHoldState m_autoHoldState:0
     
118. HSBluetoothControl::getMicVolume m_micVolume:0
     
119. HSBluetoothControl::getVisibleMode m_visibleMode:2
     
120. PhonebookListModel::PhonebookListModel!!!!
     
121. PhonebookListModel::PhonebookListModel!!!!
     
122. **[TheDeviceThread]**registDeviceDetectSlot**
     
123. 
     
124. 0000: 24 03 14 02 00 54 35 F7 FF FF FF 55 4B 00 08 78
     
125. 0010: 3D 00 20 00 00 00 00 0F
     
126. 0000: 24 29 01 00 28
     
127. 0000: 24 25 01 02 26
     
128. 0000: 24 13 08 00 00 00 05 00 12 01 01 0C
     
129. 0000: 24 1F 14 05 05 05 30 30 30 30 30 14 05 05 05 30
     
130. 0010: 30 30 30 30 14 05 05 0B
     
131. 0000: 24 3B 01 00 3A
     
132. 0000: 24 A9 01 3E 96
     
133. 0000: 24 AB 01 18 B2
     
134. 0000: 24 51 32 00 00 00 21 FC 00 00 23 32 00 00 26 52
     
135. 0010: 00 00 29 72 00 00 2A 30 00 00 2A 30 00 00 2A 30
     
136. 0020: 00 00 2A 30 00 00 2A 30 00 00 2A 30 00 00 2A 30
     
137. 0030: 00 00 2A 30 04 84
     
138. 0000: 24 51 32 04 00 00 02 13 00 00 02 5B 00 00 03 E7
     
139. 0010: 00 00 05 7C 00 00 06 42 00 00 06 42 00 00 06 42
     
140. 0020: 00 00 06 42 00 00 06 42 00 00 06 42 00 00 06 42
     
141. 0030: 00 00 06 42 04 B6
     
142. 0000: 24 50 07 04 04 00 00 00 05 7C 2E
     
143. 0000: 24 0D 04 00 00 00 00 09
     
144. 0000: 24 81 24 00 00 00 20 00 00 00 00 00 00 00 00 00
     
145. 0010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
     
146. 0020: 00 00 00 00 00 00 00 85
     
147. [TheXMCUAGT] ----- RetSetupParamInfo ,bHMIReady = 0
     
148. [TheXMCUAGT]-------!bHMIReady init setup param.
     
149. McuAgent_receive_packet_handle : MCU_MSG_ID[0xA9] no registration handle.
     
150. McuAgent_receive_packet_handle : MCU_MSG_ID[0xAB] no registration handle.
     
151. [TheXMCUAGT]-- _ampresetList.size() = [6],_fmpresetList.size() =[12]
     
152. [TheXMCUAGT]-- _ampresetList.size() = [6],_fmpresetList.size() =[12]
     
153. McuMsgHandle_RetNxpPorCntInfo size: 4 msg: 0 0 0 0 0 0
     
154. McuCheckData:24 0d 04 00 00 00 00 09
     
155. 
     
156. [TheXMCUAGT] -----RetCoreBoardResumeInfo
     
157. HSBluetoothControl::getConnectedDeviceCount:0
     
158. HSBluetoothControl::getSignalLevel signalLevel:-1
     
159. HSBluetoothControl::getBatteryLevel batteryLevel:-1
     
160. HSBluetoothControl::getPowerState m_powerState = 1
     
161. HSBluetoothControl::getHFPProfileState m_hfpConnectState = 00
     
162. TheXBT::getHfpconnectstate hfpConnectState:0
     
163. HSBluetoothControl::getA2DPProfileState m_a2dpConnectState = 00
     
164. [cxl] [MultiApplications Completed] test time = 1514764802 s, 478729 us
     
165. 
     
166. [cxl] [AppStackContainer Completed] test time = 1514764802 s, 479643 us
     
167. 
     
168. [cxl] [StatusBar Completed] test time = 1514764802 s, 479929 us
     
169. 
     
170. [cxl] [Window Completed] test time = 1514764802 s, 481607 us
     
171. 
     
172. write /dev/fsprober >> 1
     
173. [TheXMCUAGT] ----- startHeartBeat! ON---
     
174. mcuStatusChangedSource:4,18
     
175. mcuStatusChangedBL:0
     
176. mcuStatusChangedPower:1,1,0
     
177. [cxl] [firstMemoryPLay] test time = 1514764802 s, 872520 us
     
178. 
     
179. firstMemoryPLay curSourceId, 18, _powerStatus, 0,_dispState, 0,_RearView, 0,bFirstMomeyPLay ,1
     
180. requireSourceOnFirst() screenID:[18],type:[0],IGN[1],temp[0]
     
181. getCurSourceInfo sourceID 0
     
182. activeUpdate AudioSourceList :18
     
183. enable active current source: 18
     
184. [btaudio]stopOldSourceSlots newSource:18 oldSource:0
     
185. HSBluetoothControl::getConnectedDeviceCount:0
     
186. [usb]stopOldSourceSlots, 18, 0
     
187. **[ipod]stopOldSourceSlots*** 18, 0,m_bBTiPodSameDev= 0,forward=0
     
188. 
     
189. [btaudio]switchNewSourceSlots newSource:18 oldSource:0 bA2dpOffFlag:0, otgDevType:0
     
190. [usb]switchNewSourceSlots, 18, 0
     
191. [TheMcuCtl] ----- TheMcuCtl--- mcuCmdHandle---MsgId: 6 ,param = 1
     
192. liuyipage, 0, 0
     
193. **[ipod]switchNewSourceSlots*** 18, 0
     
194. 
     
195. [TheXMCUAGT] ----- mcanDataInfo.size = 3
     
196. 0000: E0 FD 03 04 00 00 FA
     
197. cxlresponseSourceOn() screenID = 18
     
198. [TheXMCUAGT] ----- setAudioSource :4
     
199. 0000: E0 20 01 04 25
     
200. firstMemoryPLay22:0,0
     
201. [TheXDiag] -----isTscalFileExist
     
202. [TheXDiag]-----No tscal file!
     
203. ---cameraParaSet---9963776,20---ret=0--
     
204. [TheXMCUAGT] ----- cameraParamInfo brightness = 20,contrast = 0,hue = 0
     
205. 
     
206. [TheXMCUAGT] --emit _cameraBrightness: 5
     
207. [TheXMCUAGT] ----- setSaveSettingsInfo
     
208. 0000: E0 1E 14 05 05 05 30 30 30 30 30 14 05 05 05 30
     
209. 0010: 30 30 30 30 14 05 05 0A
     
210. ---cameraParaSet---9963777,68---ret=0--
     
211. [TheXMCUAGT] ----- cameraParamInfo brightness = 20,contrast = 68,hue = 0
     
212. 
     
213. [TheXMCUAGT] --emit _cameraContrast: 5
     
214. [TheXMCUAGT] ----- setSaveSettingsInfo
     
215. 0000: E0 1E 14 05 05 05 30 30 30 30 30 14 05 05 05 30
     
216. 0010: 30 30 30 30 14 05 05 0A
     
217. ---cameraParaSet---9963779,27---ret=0--
     
218. [TheXMCUAGT] ----- cameraParamInfo brightness = 20,contrast = 68,hue = 27
     
219. 
     
220. [TheXMCUAGT] --emit _cameraGrayScale: 5
     
221. [TheXMCUAGT] ----- setSaveSettingsInfo
     
222. 0000: E0 1E 14 05 05 05 30 30 30 30 30 14 05 05 05 30
     
223. 0010: 30 30 30 30 14 05 05 0A
     
224. setDiagnosisMod() [1]
     
225. 0000: E0 06 01 01 06
     
226. requireSourceOn() screenID:[22],type:[0],powerStatus[0],temp[1]
     
227. getCurSourceInfo sourceID 18
     
228. activeUpdate AudioSourceList :22
     
229. enable active current source: 22
     
230. [btaudio]stopOldSourceSlots newSource:22 oldSource:18
     
231. HSBluetoothControl::getConnectedDeviceCount:0
     
232. [usb]stopOldSourceSlots, 22, 18
     
233. **[ipod]stopOldSourceSlots*** 22, 18,m_bBTiPodSameDev= 0,forward=0
     
234. 
     
235. [btaudio]switchNewSourceSlots newSource:22 oldSource:18 bA2dpOffFlag:0, otgDevType:0
     
236. [usb]switchNewSourceSlots, 22, 18
     
237. liuyipage, 0, 0
     
238. **[ipod]switchNewSourceSlots*** 22, 18
     
239. 
     
240. cxlresponseSourceOn() screenID = 22
     
241. [cxl] [switchScreen] test time = 1514764802 s, 891113 us
     
242. 
     
243. qml: [url=home.php?mod=space&uid=1745334]@@@@[/url] Output JS.stack -- BEGIN
     
244. qml: @@@@ Output JS.stack -- END
     
245. 0000: 24 21 01 04 24
     
246. 0000: 24 C0 05 02 00 00 00 00 C7
     
247. [TheXMCUAGT] -----  g_CurSourceId Id = [4]
     
248. McuAgent_receive_packet_handle : MCU_MSG_ID[0xC0] no registration handle.
     
249. 0000: 24 1F 14 05 05 05 30 30 30 30 30 14 05 05 05 30
     
250. 0010: 30 30 30 30 14 05 05 0B
     
251. [TheXMCUAGT] ----- RetSetupParamInfo ,bHMIReady = 0
     
252. [TheXMCUAGT]-------!bHMIReady init setup param.
     
253. [cxl] [changeTo] test time = 1514764803 s, 164620 us
     
254. 
     
255. qml: cxl_findAllById
     
256. 0000: 24 1F 14 05 05 05 30 30 30 30 30 14 05 05 05 30
     
257. 0010: 30 30 30 30 14 05 05 0B
     
258. [TheXMCUAGT] ----- RetSetupParamInfo ,bHMIReady = 0
     
259. [TheXMCUAGT]-------!bHMIReady init setup param.
     
260. qml: cxl_findAllById112
     
261. qml: cxl_findAllById113
     
262. qml: cxl_findAllById114
     
263. removeTsCalFile
     
264. [cxl] [updateAfterAmiInfo] test time = 1514764803 s, 231629 us
     
265. 
     
266. 0000: 24 1F 14 05 05 05 30 30 30 30 30 14 05 05 05 30
     
267. 0010: 30 30 30 30 14 05 05 0B
     
268. [TheXMCUAGT] ----- RetSetupParamInfo ,bHMIReady = 0
     
269. [TheXMCUAGT]-------!bHMIReady init setup param.
     
270. hmistart
     
271. log: show first frame 2 sec, 353517 usec[Reverse-ctrl] reverse_ctrl_main.c, line 253 : HMI started
     
272. [Reverse-ctrl] reverse_ctrl_main.c, line 279 : Shut down the animation
     
273. [Reverse-ctrl] reverse_ctrl_main.c, line 625 : Reverse status changed to 0, hmi_ok:1,tmp_status:0
     
274. [Reverse-ctrl] reverse_ctrl_main.c, line 226 : rev_stop
     
275. [Reverse-ctrl] reverse_ctrl_main.c, line 237 : rev_stop --end
     
276. 0000: E0 01 00 01
     
277. [TheXMCUAGT]---setHMIReady
     
278. [TheXMCUAGT] ----- getSaveSettingsInfo
     
279. 0000: E0 1F 00 1F
     
280. 0000: E0 50 00 50
     
281. 0000: E0 A3 00 A3
     
282. [Reverse-ctrl] reverse_ctrl_main.c, line 192 : rev_thread_end
     
283. [Reverse-ctrl] reverse_ctrl_main.c, line 203 : rev_thread_end --end
     
284. qml: @@@@ Output JS.stack -- BEGIN
     
285. qml: @@@@   0 : diagnosticsecond
     
286. qml: @@@@ Output JS.stack -- END
     
287. 0000: 24 50 07 04 04 00 00 00 05 7C 2E
     
288. 0000: 24 1F 14 05 05 05 30 30 30 30 30 14 05 05 05 30
     
289. 0010: 30 30 30 30 14 05 05 0B
     
290. 0000: 24 50 07 04 04 00 00 00 05 7C 2E
     
291. 0000: 24 A3 01 00 A2
     
292. [TheXMCUAGT] ----- RetSetupParamInfo ,bHMIReady = 1
     
293. [TheXMCUAGT] _language  = 0
     
294. mcuStatusChangedSource:4,18
     
295. BBBBBBBBBBBB
     
296. BBBBBBBBBBBB
     
297. 
     
298. Inside mycallback
     
299. 
     
300. 
     
301. mx6q ttymxc0
     
302. 
     
303. Mentor Embedded Automotive Technology Platform 2014.05+snapshot-20160229 mx6q ttymxc0
     
304. 
     
305. mx6q login: start bt...
     
306. start gst...
     
307. /usr/app/media/start_gst.sh: line 11: /usr/app/carplay/mdns: Permission denied
     
308. start gst...
     
309. /usr/app/media/start_gst.sh: line 11: /usr/app/media/start_gst.sh: line 11: /usr/app/bluetooth/btServer: not found/usr/app/media/start_gst.sh: line 11: /usr/app/carplay/mdns: Permission denied/usr/app/phonelink/phoneLink.bin: not found
     
310. 
     
311. 
     
312. start gst...
     
313. /usr/app/media/start_gst.sh: line 11: /usr/app/bluetooth/btServer: not found
     
314. /usr/app/media/start_gst.sh: line 11: /usr/app/phonelink/phoneLink.bin: not found
     
315. /usr/app/media/start_gst.sh: line 11: /usr/app/carplay/mdns: Permission denied
     
316. start gst...
     
317. /usr/app/media/start_gst.sh: line 11: /usr/app/phonelink/phoneLink.bin: not found/usr/app/media/start_gst.sh: line 11: /usr/app/media/start_gst.sh: line 11: /usr/app/bluetooth/btServer: not found
     
318. /usr/app/carplay/mdns: Permission denied
     
319. start gst...
     
320. 
     
321. /usr/app/media/start_gst.sh: line 11: /usr/app/phonelink/phoneLink.bin: not found/usr/app/media/start_gst.sh: line 11: /usr/app/carplay/mdns: Permission denied
     
322. /usr/app/media/start_gst.sh: line 11: /usr/app/bluetooth/btServer: not found
     
323. 
     
324. start gst...
     
325. /usr/app/media/start_gst.sh: line 11: /usr/app/bluetooth/btServer: not found
     
326. /usr/app/media/start_gst.sh: line 11: /usr/app/phonelink/phoneLink.bin: not found
     
327. /usr/app/media/start_gst.sh: line 11: /usr/app/carplay/mdns: Permission denied
     
328. start gst...
     
329. /usr/app/media/start_gst.sh: line 11: /usr/app/bluetooth/btServer: not found
     
330. /usr/app/media/start_gst.sh: line 11: /usr/app/carplay/mdns: Permission denied
     
331. start gst...
     
332. /usr/app/media/start_gst.sh: line 11: /usr/app/phonelink/phoneLink.bin: not found
     
333. /usr/app/media/start_gst.sh: line 11: /usr/app/phonelink/phoneLink.bin: not found
     
334. /usr/app/media/start_gst.sh: line 11: /usr/app/carplay/mdns: Permission denied
     
335. start gst...
     
336. /usr/app/media/start_gst.sh: line 11: /usr/app/bluetooth/btServer: not found
     
337. /usr/app/media/start_gst.sh: line 11: /usr/app/bluetooth/btServer: not found
     
338. /usr/app/media/start_gst.sh: line 11: /usr/app/phonelink/phoneLink.bin: not found
     
339. /usr/app/media/start_gst.sh: line 11: /usr/app/carplay/mdns: Permission denied
     
340. start gst...
     
341. /usr/app/media/start_gst.sh: line 11: /usr/app/carplay/mdns: Permission denied/usr/app/media/start_gst.sh: line 11: /usr/app/phonelink/phoneLink.bin: not found
     
342. /usr/app/media/start_gst.sh: line 11: /usr/app/bluetooth/btServer: not found
     
343. 
     
344. start gst...
     
345. /usr/app/media/start_gst.sh: line 11: /usr/app/bluetooth/btServer: not found
     
346. /usr/app/media/start_gst.sh: line 11: /usr/app/phonelink/phoneLink.bin: not found
     
347. /usr/app/media/start_gst.sh: line 11: /usr/app/carplay/mdns: Permission denied
     
348. 
     

复制代码

cqaj

通过参考：mengxp大神发帖大众车机天宝187A Hack笔记，已成功救砖。但是。。。。。。

下面简单说下:
参考mengxp大神的方法，直接将uboot.env.img中bootdelay=改名。
然后dd if=/storage/external_storage/sda1/u-boot.imx of=/dev/block/system还原。

接下来将车机连接电脑，将官方升级包解压，打开imx刷机工具MfgTool2，直接刷写，刷机的时候电脑将识别一个磁盘，提示格式化，不用管它，继续刷，时间大约20分钟左右。

刷完后断开usb,重启机器。测试优盘播放正常。




至此救砖完成。。。。。。。

接下里戏剧性的一幕出现了，拔掉优盘的时候不小心碰到了ttl线，由于针脚有点长，GND与RX碰到了一起，机器瞬间卡住了，重启机器后花屏（拔掉核心板开机也是花屏），应该是板子烧掉了，测试ttl转接线也不通了，也烧掉了。心里:huffy::huffy::huffy::huffy::huffy::huffy:，好不容易救好了，这下彻底砖了。。。。。。。


不甘心啊:cry::cry::cry:。。。。。。用万用表测试GND与RX通路了，这样一弄rx跟gnd连在一起了，求懂电路的大神帮忙分析分析是不是图中那个电阻坏了，先谢谢了。

scside

不幸啊，同情一下。:titter:

qianjiakun

喜剧变悲剧了

qianjiakun

不懂也支持一下