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* stm32: Initial support for stm32f070Kevin O'Connor2019-10-231-6/+17
| | | | Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* stm32: Support 16bit packet memory access on usbfs controllerKevin O'Connor2019-10-231-9/+15
| | | | | | | The stm32f0 line uses 16bit packet memory reads/writes (as opposed to the goofy 32bit accesses required on the stm32f103). Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* stm32: Make sure to turn on the usb clock before writing to the packet memoryKevin O'Connor2019-10-131-4/+4
| | | | | | | The USB clock needs to be enabled prior to writing to the USB packet memory. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* stm32: Move usb_request_bootloader() to chip specific codeKevin O'Connor2019-09-181-15/+0
| | | | Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* stm32: Fix usbfs rx buffer sizingKevin O'Connor2019-09-161-2/+2
| | | | | | | | | The usbfs receive buffers must also have space for the 2 byte crc at the end of a transmission. This fixes an error that could lead to lost messages from mcu to host (resulting in bytes_invalid increasing in stats) on the stm32f103. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* stm32: Use official defines for EPR bitsKevin O'Connor2019-09-161-30/+23
| | | | | | Use the standard definitions for the endpoint register bits. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* stm32: Rename USB_BTABLE to EPM in usbfs.cKevin O'Connor2019-09-161-20/+20
| | | | | | | Rename the internal definition so it isn't in conflict with the USB_BTABLE register. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* stm32: Update code to use armcm_boot mechanismKevin O'Connor2019-08-221-3/+3
| | | | | | | Replace the stm32 provided assembler with the src/generic/armcm_boot.c mechanism. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* stm32: Move irq handler code above irq setupKevin O'Connor2019-08-221-28/+28
| | | | | | Only code movement. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* stm32: Rename stm32f4/ directory to stm32/Kevin O'Connor2019-08-051-0/+307
Now that the code in stm32f4/ can handle both stm32f1 and stm32f4 chips, rename the directory to just "stm32". Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
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