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[Beta] Jump to system memory boot from user application #710

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[Beta] Jump to system memory boot from user application #710

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59a0936
Clean declaration
fpistm Oct 16, 2019
13945e3
Jump to system memory boot from user application
fpistm Oct 16, 2019
6c081f4
Add upload.use_1200bps_touch=true
fpistm Nov 5, 2019
b32a37a
Do not use the RTC to track a bootloader request
matthijskooijman Mar 4, 2020
c40cfdd
Override Reset_Handler to jump to bootloader
matthijskooijman Mar 11, 2020
c0ef636
Use handcoded delay in USBD_reenumerate
matthijskooijman Mar 18, 2020
93de06d
Clear reset flags before starting bootloader
matthijskooijman Mar 18, 2020
c6edf2b
Simplify system flash address detection
matthijskooijman Mar 18, 2020
0871fee
Forward declare Original_Reset_handler
matthijskooijman Mar 19, 2020
6179810
Jump to bootloader from asm block
matthijskooijman Mar 19, 2020
8e5ad31
Delay autoreset to bootloader
matthijskooijman Mar 24, 2020
63c49b0
HACK: Do not use USB_DevDisconnect in early startup
matthijskooijman Sep 3, 2020
2f148bf
HACK: Extend HACK to boards with DPPU-based pullup control (e.g. F0)
matthijskooijman Sep 16, 2020
3da8f2d
[USB] Support DFU runtime protocol along CDC
matthijskooijman Jan 22, 2020
a37e822
Do not build for STM32MP1xx
fpistm Sep 18, 2020
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HACK: Extend HACK to boards with DPPU-based pullup control (e.g. F0)
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@matthijskooijman @fpistm
matthijskooijman authored and fpistm committed Sep 18, 2020
commit 2f148bfb69959df6e996a509b510a019a64a7d85
6 changes: 6 additions & 0 deletions cores/arduino/stm32/usb/usbd_if.c
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Original file line number Diff line number Diff line change
Expand Up @@ -194,12 +194,18 @@ WEAK void USBD_reenumerate(void)
digitalWriteFast(USBD_PULLUP_CONTROL_PINNAME, USBD_ATTACH_LEVEL);
#endif /* defined(USBD_PULLUP_CONTROL_FLOATING) */
#elif defined(USBD_HAVE_INTERNAL_PULLUPS)
#ifdef USB_OTG_DCTL_SDIS
uint32_t USBx_BASE = (uint32_t)USBD_USB_INSTANCE;
USBx_DEVICE->DCTL |= USB_OTG_DCTL_SDIS;
//USB_DevDisconnect(USBD_USB_INSTANCE);
USBD_early_startup_delay_us(USBD_ENUM_DELAY * 1000);
//USB_DevConnect(USBD_USB_INSTANCE);
USBx_DEVICE->DCTL &= ~USB_OTG_DCTL_SDIS;
#else
USBD_USB_INSTANCE->BCDR &= (uint16_t)(~(USB_BCDR_DPPU));
USBD_early_startup_delay_us(USBD_ENUM_DELAY * 1000);
USBD_USB_INSTANCE->BCDR |= (uint16_t)(USB_BCDR_DPPU);
#endif
#else
#warning "No USB attach/detach method, USB might not be reliable through system resets"
#endif
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