stm32h7: Enable USB peripheral (device does not enumerate yet).

2019-08-30 21:57:06 -04:00
parent 0afbf1a9bb
commit 7153561984
3 changed files with 45 additions and 1 deletions
@@ -163,6 +163,11 @@ void board_init(void)
  GPIO_InitStruct.Pull = GPIO_PULLUP;
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
  HAL_GPIO_Init(LED_PORT, &GPIO_InitStruct);
+
+  // https://community.st.com/s/question/0D50X00009XkYZLSA3/stm32h7-nucleo-usb-fs-cdc
+  // TODO: Board init actually works fine without this line.
+  HAL_PWREx_EnableUSBVoltageDetector();
+  __HAL_RCC_USB2_OTG_FS_CLK_ENABLE();
 }

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