蓝牙模块下载不了程序

Topic

FAQ

蓝牙模块下载不了程序

zhenhuang

Jul 27, 2017 15:21

中 /A

我是黄老师的学生！
一开始，蓝牙模块可以下载程序，最近不能下载程序了。
下载软件中这样提示：
tcdb -i light_8266.bin -bu
TC32 EVK: Not Found
USB write adrress 8000
Program download error at: 0 (expect fd8)
这是怎么回事？

3 replies

zhenhuang [Author] Jul 27, 2017 15:22

中 _/A

感觉不像是下载线的问题

TL_dafeng.chen Aug 04, 2017 15:11

中 _/A

There are two methods to connect the target board with the burning EVK, USB and SWS. It is recommand to use sws method, for the reason that many projects in sdks have lower-power function. Mcu will enter lower-power mode when it is idle. so the burning Evk cannot reset the target board`s mcu when using usb method.

if fails to reset mcu via sws method, please try following solutions to recover the board with these problems.
one way：Cut off the power of burning EVK, connect the DUT to burning EVK, use a tool or a wire to short the two point of the capacitance in PIN VDDEC , then connect the burning EVK to PC, release the short wire of the capacitance. Now you should be able to reset the DUT.
second way：sometimes you can connect GND(DUT) to GND(burning EVK), SWS(DUT) to (burning EVK), then reset mcu by wtcdb, if worked, connect the VCC wire, you will operate as usual later.

aithinker_zhang Jan 04, 2020 13:12

中 _/A

可以参考下我们整理后的SDK，支持串口烧录，串口调试(需预先烧录uart_boot)：

[code]
make all //编译
make erase_fw //擦除固件
make erase_key //擦除Mesh相关数据
make monitor //打开串口监控
python3 ../../make/Telink_Tools.py -p /dev/ttyUSB0 burn_triad 1345 78da07fa44a7 221746e805ac0e6269bd4d3e55f1145c //烧录三元组
python3 ../../make/Telink_Tools.py -p /dev/ttyUSB0 write_flash 0x30000 235798abdfc //写Flash
python3 ../../make/Telink_Tools.py -p /dev/ttyUSB0 read_flash 0x30000 256 //读Flash
[/code]

https://github.com/Ai-Thinker-Open/Telink_SIG_Mesh