Autoboot with USB shell.

Author: linguini1

configs/autoboot/defconfig

@@ -32,12 +32,14 @@ CONFIG_ARMV7M_ICACHE=y
 CONFIG_BCH=y
 CONFIG_BOARDCTL=y
 CONFIG_BOARDCTL_MKRD=y
+CONFIG_BOARDCTL_USBDEVCTRL=y
 CONFIG_BOARD_COREDUMP_SYSLOG=y
 CONFIG_BOARD_CUSTOM_LEDS=y
 CONFIG_BOARD_INITTHREAD_STACKSIZE=2048
 CONFIG_BOARD_LATE_INITIALIZE=y
 CONFIG_BOARD_LOOPSPERMSEC=79943
 CONFIG_BUILTIN=y
+CONFIG_CDCACM=y
 CONFIG_COREDUMP=y
 CONFIG_DEBUG_ANALOG=y
 CONFIG_DEBUG_ANALOG_ERROR=y
@@ -109,9 +111,11 @@ CONFIG_START_YEAR=2024
 CONFIG_STM32H7_ADC2=y
 CONFIG_STM32H7_ADC2_SAMPLE_FREQUENCY=10
 CONFIG_STM32H7_ADC2_TIMTRIG=1
+CONFIG_STM32H7_HSI48=y
 CONFIG_STM32H7_I2C1=y
 CONFIG_STM32H7_I2C2=y
 CONFIG_STM32H7_I2C4=y
+CONFIG_STM32H7_OTGFS=y
 CONFIG_STM32H7_SDMMC1=y
 CONFIG_STM32H7_TIM1=y
 CONFIG_STM32H7_TIM1_CH3OUT=y
@@ -134,6 +138,7 @@ CONFIG_USART1_SERIAL_CONSOLE=y
 CONFIG_USART2_BAUD=57600
 CONFIG_USART3_BAUD=9600
 CONFIG_USART3_RXBUFSIZE=1024
+CONFIG_USBDEV=y
 CONFIG_USENSOR=y
 CONFIG_WIRELESS=y
 CONFIG_WIRELESS_PKTRADIO=y