stm32/boards/NUCLEO_G0B1RE: Add config for USB and mboot.

But leave these disabled. Signed-off-by: Damien George <damien@micropython.org>

Author: dpgeorge

ports/stm32/boards/NUCLEO_G0B1RE/mpconfigboard.h

@@ -6,6 +6,7 @@
 #define MICROPY_HW_ENABLE_RNG (0)
 #define MICROPY_HW_ENABLE_RTC (1)
 #define MICROPY_HW_ENABLE_DAC (0)
+#define MICROPY_HW_ENABLE_USB (0) // can be enabled if USB cable connected to PA11/PA12
 #define MICROPY_PY_PYB_LEGACY (0)
 
 #define MICROPY_HW_ENABLE_INTERNAL_FLASH_STORAGE (1)
@@ -87,3 +88,9 @@
 #define MICROPY_HW_LED1 (pin_A5) // Green LD2 LED on Nucleo
 #define MICROPY_HW_LED_ON(pin) (mp_hal_pin_high(pin))
 #define MICROPY_HW_LED_OFF(pin) (mp_hal_pin_low(pin))
+
+// USB config
+#define MICROPY_HW_USB_FS (1)
+#define MICROPY_HW_USB_MAIN_DEV (USB_PHY_FS_ID)
+#define MICROPY_HW_USB_MSC (0)
+#define MICROPY_HW_USB_HID (0)

ports/stm32/boards/NUCLEO_G0B1RE/mpconfigboard.mk

@@ -1,7 +1,13 @@
 MCU_SERIES = g0
 CMSIS_MCU = STM32G0B1xx
 AF_FILE = boards/stm32g0b1_af.csv
+
+ifeq ($(USE_MBOOT),1)
+LD_FILES = boards/stm32g0b1xe.ld boards/common_bl.ld
+TEXT0_ADDR = 0x08008000
+else
 LD_FILES = boards/stm32g0b1xe.ld boards/common_basic.ld
+endif
 
 # LTO reduces final binary size, may be slower to build depending on gcc version and hardware
 LTO ?= 1