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px4flow board debug for "USB device not recognized" issues #46

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molyswu opened this issue Apr 2, 2015 · 1 comment
Closed

px4flow board debug for "USB device not recognized" issues #46

molyswu opened this issue Apr 2, 2015 · 1 comment

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@molyswu
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molyswu commented Apr 2, 2015

Hello ,LorenzMeier !
I used STLINK-V2(JTAG) full chip erase px4flow board and build px4 Flow-master file (2015-01-24 Flow-master)
, make all Flow(firmware) for px4flow_bl.elf and px4flow.bin , compiler code Successful and connect STLINK-V2 JTAG ,then STLINK-V2 program px4flow_bl.elf or px4flow.bin to px4flow board in Flow(c/px4/Flow/).restart the board show "USB device not recognized" . the pxflow board
didn't communicated with PC USB, The three LED is lit.
is the problem Bootloader of code jump to app?Ho to process the problem? (I was under the windows compiler and debug PX4 Toolchain v14/eclipse/clonse .)

Thank you very much for your help!
2015-04-02
@molyswu
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molyswu commented Apr 2, 2015

Checking STM32F407VG "clock_setup " with GPIO 12PIN ,13PIN ，voltage only have 0.7V. Righten the tow PIN voltage have 1.7V。boot didn‘t jump to app.

kevinmehall added a commit to kevinmehall/Flow that referenced this issue Nov 10, 2015
@kevinmehall
Merge pull request PX4#46 from 3drobotics/i2cfix
80f9cfc 
i2c_slave: Test individual interrupt-pending bits.
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@LorenzMeier @molyswu