diff options
| -rw-r--r-- | ports/stm32f4/boards/stm32f411ce_blackpill/mpconfigboard.h | 1 | ||||
| -rw-r--r-- | ports/stm32f4/supervisor/usb.c | 29 |
2 files changed, 29 insertions, 1 deletions
diff --git a/ports/stm32f4/boards/stm32f411ce_blackpill/mpconfigboard.h b/ports/stm32f4/boards/stm32f411ce_blackpill/mpconfigboard.h index a438b5baa..b8e374f05 100644 --- a/ports/stm32f4/boards/stm32f411ce_blackpill/mpconfigboard.h +++ b/ports/stm32f4/boards/stm32f411ce_blackpill/mpconfigboard.h @@ -33,6 +33,7 @@ #define FLASH_PAGE_SIZE (0x4000) #define BOARD_OSC_DIV 25 +#define BOARD_NO_VBUS // On-board flash // #define SPI_FLASH_MOSI_PIN (&pin_PA07) diff --git a/ports/stm32f4/supervisor/usb.c b/ports/stm32f4/supervisor/usb.c index f327050f5..23fff1a36 100644 --- a/ports/stm32f4/supervisor/usb.c +++ b/ports/stm32f4/supervisor/usb.c @@ -32,8 +32,33 @@ #include "lib/mp-readline/readline.h" #include "stm32f4xx_hal.h" +#include "py/mpconfig.h" + #include "common-hal/microcontroller/Pin.h" +STATIC void init_usb_vbus_sense(void) { + +#ifdef BOARD_NO_VBUS + // Disable VBUS sensing + #ifdef USB_OTG_GCCFG_VBDEN + USB_OTG_FS->GCCFG &= ~USB_OTG_GCCFG_VBDEN; + #else + USB_OTG_FS->GCCFG |= USB_OTG_GCCFG_NOVBUSSENS; + USB_OTG_FS->GCCFG &= ~USB_OTG_GCCFG_VBUSBSEN; + USB_OTG_FS->GCCFG &= ~USB_OTG_GCCFG_VBUSASEN; + #endif +#else + // Enable VBUS hardware sensing + #ifdef USB_OTG_GCCFG_VBDEN + USB_OTG_FS->GCCFG |= USB_OTG_GCCFG_VBDEN; + #else + USB_OTG_FS->GCCFG &= ~USB_OTG_GCCFG_NOVBUSSENS; + USB_OTG_FS->GCCFG |= USB_OTG_GCCFG_VBUSBSEN; // B Device sense + #endif +#endif +} + + void init_usb_hardware(void) { //TODO: if future chips overload this with options, move to peripherals management. @@ -79,7 +104,9 @@ void init_usb_hardware(void) { HAL_GPIO_Init(GPIOG, &GPIO_InitStruct); never_reset_pin_number(0, 8); #endif - + /* Peripheral clock enable */ __HAL_RCC_USB_OTG_FS_CLK_ENABLE(); + + init_usb_vbus_sense(); } |