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path: root/src/stm32f1/usbserial.c
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* stm32f1: Remove now unused src/stm32f1/ directoryKevin O'Connor2019-08-051-305/+0
| | | | | | | Now that the stm32f1 code has been merged into the stm32 code, there is no longer a need to keep the stm32f1/ directory. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* armcm_timer: Unify udelay() implementationKevin O'Connor2019-06-091-0/+1
| | | | | | | Move the udelay() code from various arm board directories into the src/generic/armcm_timer.c code. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* stm32f1: Add support for entering the bootloader via USBKevin O'Connor2019-03-081-0/+11
| | | | | | | | | | | | Add support for entering the "stm32duino" bootloader via the arduino 1200 baud USB request. Add supprot for flashing over USB via the "make flash" command. Rename the existing "make flash" command to "make serialflash". Default to using a bootloader in Kconfig. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* stm32f1: Use internal functions for early USB gpio toggleKevin O'Connor2019-02-061-6/+5
| | | | | | | 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>
* usb_cdc: Add support for detecting a USB level Arduino bootloader requestKevin O'Connor2018-12-241-0/+5
| | | | Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* stm32f1: Pull the USB D+ line low briefly to signal a device connectKevin O'Connor2018-10-111-0/+8
| | | | Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* stm32f1: Initial support for serial over USBKevin O'Connor2018-10-111-0/+281
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
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