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stm32f407vg broken
Posted: Sat Apr 09, 2016 1:10 am
by omar
Hello evry body i have stm32f4 discovery card wen i connecting some wires to it (i connect them to the right GND an +5V and +3V near the ST logo so might be short circuit) and it is connected to pc.It broken it cannot be readed by my computer even LD1 is off all leds are off but when i power it with external supply the old program keep working.
Re: stm32f407vg broken
Posted: Sat Apr 09, 2016 7:26 am
by Giovanni
May be just the ST-Link part is broken, you may try to use an external ST-Link to reprogram it.
Giovanni
Re: stm32f407vg broken
Posted: Sat Apr 09, 2016 3:13 pm
by omar
how to use an external stlink please.
Re: stm32f407vg broken
Posted: Sat Apr 09, 2016 4:19 pm
by Giovanni
Read the user manual of the board, you can disconnect the stlink on board.
Giovanni
Re: stm32f407vg broken
Posted: Sat Apr 09, 2016 7:58 pm
by omar
hi the problem is that D1 is burned so when i change it the card come back working.