Kevin O'Connor
eb8db46ca3
stm32f1: Use internal functions for early USB gpio toggle
...
Avoid using the "low-level" library timing utilities. This is in
preparation for using SysTick as part of the timer implementation.
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
2019-02-06 22:03:09 -05:00
Kevin O'Connor
b84ecebf8f
usb_cdc: Add support for detecting a USB level Arduino bootloader request
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Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
2018-12-24 11:42:19 -05:00
Kevin O'Connor
b8745bc973
stm32f1: Pull the USB D+ line low briefly to signal a device connect
...
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
2018-10-11 10:50:51 -04:00
Kevin O'Connor
bc5e961d73
stm32f1: Initial support for serial over USB
...
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
2018-10-11 10:50:51 -04:00
