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Added more description about the BOOT0 pin

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Richard Eoin Meadows 2013-09-04 20:46:48 +01:00
parent 1ca1c6c470
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hardware/contrib/richardeoin/README.md
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@ -36,16 +36,22 @@ header. The hole centres are
As well as the standard button for entering USB DFU mode, this variant
also provides a button for pulling the BOOT0 pin high to activate the
STM32 SystemMemory bootloeader. This means that /scripts/bootprog.py
can be used to program and reprogram the chip over the USART1
interface.
STM32 SystemMemory bootloader. Hold this button when plugging in the
module to enter bootloader mode where
[scripts/bootprog.py](scripts/bootprog.py) can be used to program and
reprogram the chip over the USART1 interface.
This is useful for programming a brand new or 'bricked' blackmagic
with the DFU firmware (src/blackmagic_dfu.bin), the standard DFU mode
should be used for regualar firmware updates.
## Parts and Costings
* [Parts List](Parts.md)
Parts Cost (Approximate): £14 + VAT
([uk.farnell.com](http://uk.farnell.com) August 2013) Programming
Cable: £8.49 + VAT
([uk.farnell.com](http://uk.farnell.com) August 2013)
Programming Cable: £8.49 + VAT
([uk.farnell.com](http://uk.farnell.com/samtec/ffsd-05-d-06-00-01-n/ribbon-cable-idc-152-4mm-grey-10way/dp/1667659)
August 2013)