diff options
| -rw-r--r-- | hw/bsp/stm32f072disco/stm32f072disco.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/hw/bsp/stm32f072disco/stm32f072disco.c b/hw/bsp/stm32f072disco/stm32f072disco.c index 1e2e2b855..cb9a1ddb5 100644 --- a/hw/bsp/stm32f072disco/stm32f072disco.c +++ b/hw/bsp/stm32f072disco/stm32f072disco.c @@ -104,7 +104,15 @@ void board_init(void) GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; HAL_GPIO_Init(BUTTON_PORT, &GPIO_InitStruct); - // Start USB clock + // USB Pins + // Configure USB DM and DP pins. This is optional, and maintained only for user guidance. + GPIO_InitStruct.Pin = (GPIO_PIN_11 | GPIO_PIN_12); + GPIO_InitStruct.Mode = GPIO_MODE_INPUT; + GPIO_InitStruct.Pull = GPIO_NOPULL; + GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; + HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); + + // USB Clock enable __HAL_RCC_USB_CLK_ENABLE(); } |