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Karl Palsson 90262eb880 stm32-h103: use proper HSE for USB

HSI is out of spec for reliable USB operation, even though it sometimes
works.  stm32-h103 board has an 8Mhz external crystal which should
therefore be used for any USB work.

Originally reported as https://github.com/libopencm3/libopencm3-examples/pull/192

2019-04-21 21:50:42 +00:00

Makefile

rules: provide default C and C++ standards

2016-08-18 22:41:23 +00:00

README.md

[README] Coarse sweep to use markup in READMEs.

2015-01-19 19:20:12 -08:00

usbdfu.c

stm32-h103: use proper HSE for USB

2019-04-21 21:50:42 +00:00

README.md

README

This example implements a USB Device Firmware Upgrade (DFU) bootloader to demonstrate the use of the USB device stack.