stm32f1: Add support for HID Bootloader

Signed-off-by: Eric Callahan <arksine.code@gmail.com>
This commit is contained in:
Arksine 2020-04-24 14:29:56 -04:00 committed by KevinOConnor
parent 4b9b705b99
commit 05efccc874
4 changed files with 42 additions and 5 deletions

View File

@ -113,6 +113,25 @@ def flash_dfuutil(device, binfile, extra_flags=[], sudo=True):
pathname = wait_path(devpath)
call_dfuutil(["-p", buspath] + extra_flags, binfile, sudo)
def call_hidflash(binfile, sudo):
args = ["lib/hidflash/hid-flash", binfile]
if sudo:
args.insert(0, "sudo")
sys.stderr.write(" ".join(args) + '\n\n')
res = subprocess.call(args)
if res != 0:
raise error("Error running hid-flash")
# Flash via call to hid-flash
def flash_hidflash(device, binfile, sudo=True):
hexfmt_r = re.compile(r"^[a-fA-F0-9]{4}:[a-fA-F0-9]{4}$")
if hexfmt_r.match(device.strip()):
call_hidflash(binfile, sudo)
return
buspath, devpath = translate_serial_to_usb_path(device)
enter_bootloader(device)
pathname = wait_path(devpath)
call_hidflash(binfile, sudo)
######################################################################
# Device specific helpers
@ -174,6 +193,8 @@ Failed to flash to %s: %s
If the device is already in bootloader mode it can be flashed with the
following command:
make flash FLASH_DEVICE=1eaf:0003
OR
make flash FLASH_DEVICE=1209:beba
If attempting to flash via 3.3V serial, then use:
make serialflash FLASH_DEVICE=%s
@ -182,7 +203,11 @@ If attempting to flash via 3.3V serial, then use:
def flash_stm32f1(options, binfile):
try:
flash_dfuutil(options.device, binfile, ["-R", "-a", "2"], options.sudo)
if options.start == 0x8000800:
flash_hidflash(options.device, binfile, options.sudo)
else:
flash_dfuutil(options.device, binfile, ["-R", "-a", "2"],
options.sudo)
except error as e:
sys.stderr.write(STM32F1_HELP % (
options.device, str(e), options.device))

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@ -94,6 +94,8 @@ config STACK_SIZE
choice
prompt "Bootloader offset" if MACH_STM32F407 || MACH_STM32F103 || MACH_STM32F070
config STM32_FLASH_START_800
bool "2KiB bootloader (HID Bootloader)" if MACH_STM32F103
config STM32_FLASH_START_2000
bool "8KiB bootloader (stm32duino)" if MACH_STM32F103 || MACH_STM32F070
config STM32_FLASH_START_7000
@ -107,6 +109,7 @@ choice
endchoice
config FLASH_START
hex
default 0x8000800 if STM32_FLASH_START_800
default 0x8002000 if STM32_FLASH_START_2000
default 0x8007000 if STM32_FLASH_START_7000
default 0x8008000 if STM32_FLASH_START_8000

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@ -52,7 +52,11 @@ $(OUT)klipper.bin: $(OUT)klipper.elf
$(Q)$(OBJCOPY) -O binary $< $@
# Flash rules
flash: $(OUT)klipper.bin
lib/hidflash/hid-flash:
@echo " Building hid-flash"
$(Q)make -C lib/hidflash
flash: $(OUT)klipper.bin lib/hidflash/hid-flash
@echo " Flashing $< to $(FLASH_DEVICE)"
$(Q)$(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)
void
usb_request_bootloader(void)
{
if (!CONFIG_STM32_FLASH_START_2000)
if (!(CONFIG_STM32_FLASH_START_2000 || CONFIG_STM32_FLASH_START_800))
return;
// Enter "stm32duino" bootloader
// Enter "stm32duino" or HID bootloader
irq_disable();
RCC->APB1ENR |= RCC_APB1ENR_PWREN | RCC_APB1ENR_BKPEN;
PWR->CR |= PWR_CR_DBP;
BKP->DR10 = 0x01;
if (CONFIG_STM32_FLASH_START_800)
// HID Bootloader magic key
BKP->DR4 = 0x424C;
else
// stm32duino bootloader magic key
BKP->DR10 = 0x01;
PWR->CR &=~ PWR_CR_DBP;
NVIC_SystemReset();
}