stm32f1: Add support for HID Bootloader
Signed-off-by: Eric Callahan <arksine.code@gmail.com>
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4b9b705b99
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@ -113,6 +113,25 @@ def flash_dfuutil(device, binfile, extra_flags=[], sudo=True):
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pathname = wait_path(devpath)
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call_dfuutil(["-p", buspath] + extra_flags, binfile, sudo)
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def call_hidflash(binfile, sudo):
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args = ["lib/hidflash/hid-flash", binfile]
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if sudo:
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args.insert(0, "sudo")
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sys.stderr.write(" ".join(args) + '\n\n')
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res = subprocess.call(args)
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if res != 0:
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raise error("Error running hid-flash")
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# Flash via call to hid-flash
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def flash_hidflash(device, binfile, sudo=True):
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hexfmt_r = re.compile(r"^[a-fA-F0-9]{4}:[a-fA-F0-9]{4}$")
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if hexfmt_r.match(device.strip()):
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call_hidflash(binfile, sudo)
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return
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buspath, devpath = translate_serial_to_usb_path(device)
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enter_bootloader(device)
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pathname = wait_path(devpath)
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call_hidflash(binfile, sudo)
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######################################################################
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# Device specific helpers
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@ -174,6 +193,8 @@ Failed to flash to %s: %s
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If the device is already in bootloader mode it can be flashed with the
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following command:
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make flash FLASH_DEVICE=1eaf:0003
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OR
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make flash FLASH_DEVICE=1209:beba
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If attempting to flash via 3.3V serial, then use:
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make serialflash FLASH_DEVICE=%s
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@ -182,7 +203,11 @@ If attempting to flash via 3.3V serial, then use:
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def flash_stm32f1(options, binfile):
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try:
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flash_dfuutil(options.device, binfile, ["-R", "-a", "2"], options.sudo)
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if options.start == 0x8000800:
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flash_hidflash(options.device, binfile, options.sudo)
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else:
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flash_dfuutil(options.device, binfile, ["-R", "-a", "2"],
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options.sudo)
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except error as e:
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sys.stderr.write(STM32F1_HELP % (
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options.device, str(e), options.device))
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@ -94,6 +94,8 @@ config STACK_SIZE
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choice
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prompt "Bootloader offset" if MACH_STM32F407 || MACH_STM32F103 || MACH_STM32F070
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config STM32_FLASH_START_800
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bool "2KiB bootloader (HID Bootloader)" if MACH_STM32F103
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config STM32_FLASH_START_2000
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bool "8KiB bootloader (stm32duino)" if MACH_STM32F103 || MACH_STM32F070
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config STM32_FLASH_START_7000
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@ -107,6 +109,7 @@ choice
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endchoice
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config FLASH_START
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hex
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default 0x8000800 if STM32_FLASH_START_800
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default 0x8002000 if STM32_FLASH_START_2000
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default 0x8007000 if STM32_FLASH_START_7000
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default 0x8008000 if STM32_FLASH_START_8000
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@ -52,7 +52,11 @@ $(OUT)klipper.bin: $(OUT)klipper.elf
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$(Q)$(OBJCOPY) -O binary $< $@
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# Flash rules
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flash: $(OUT)klipper.bin
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lib/hidflash/hid-flash:
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@echo " Building hid-flash"
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$(Q)make -C lib/hidflash
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flash: $(OUT)klipper.bin lib/hidflash/hid-flash
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@echo " Flashing $< to $(FLASH_DEVICE)"
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$(Q)$(PYTHON) ./scripts/flash_usb.py -t $(CONFIG_MCU) -d "$(FLASH_DEVICE)" -s "$(CONFIG_FLASH_START)" $(if $(NOSUDO),--no-sudo) $(OUT)klipper.bin
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@ -112,13 +112,18 @@ gpio_peripheral(uint32_t gpio, uint32_t mode, int pullup)
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void
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usb_request_bootloader(void)
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{
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if (!CONFIG_STM32_FLASH_START_2000)
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if (!(CONFIG_STM32_FLASH_START_2000 || CONFIG_STM32_FLASH_START_800))
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return;
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// Enter "stm32duino" bootloader
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// Enter "stm32duino" or HID bootloader
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irq_disable();
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RCC->APB1ENR |= RCC_APB1ENR_PWREN | RCC_APB1ENR_BKPEN;
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PWR->CR |= PWR_CR_DBP;
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BKP->DR10 = 0x01;
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if (CONFIG_STM32_FLASH_START_800)
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// HID Bootloader magic key
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BKP->DR4 = 0x424C;
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else
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// stm32duino bootloader magic key
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BKP->DR10 = 0x01;
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PWR->CR &=~ PWR_CR_DBP;
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NVIC_SystemReset();
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}
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