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USB: Disable Vbus sensing by default #954

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Merged
merged 2 commits into from
Feb 28, 2020
+12 −2
Merged

USB: Disable Vbus sensing by default #954

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4aafc22
USB: Disable Vbus sensing by default
ABOSTM Feb 27, 2020
58d2483
board_template: add USBD_VBUS_DETECTION_ENABLE
ABOSTM Feb 28, 2020
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9 changes: 7 additions & 2 deletions cores/arduino/stm32/usb/usbd_conf.c
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,11 @@
#else
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
#if !defined(USBD_VBUS_DETECTION_ENABLE)
#define VBUS_SENSING DISABLE
#else
#define VBUS_SENSING ENABLE
#endif

/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
Expand Down Expand Up @@ -479,14 +484,14 @@ USBD_StatusTypeDef USBD_LL_Init(USBD_HandleTypeDef *pdev)
g_hpcd.Init.phy_itface = PCD_PHY_ULPI;
#endif
g_hpcd.Init.speed = PCD_SPEED_HIGH;
g_hpcd.Init.vbus_sensing_enable = ENABLE;
g_hpcd.Init.vbus_sensing_enable = VBUS_SENSING;
g_hpcd.Init.use_external_vbus = DISABLE;
#else /* USE_USB_FS */
#ifdef USB_OTG_FS
g_hpcd.Instance = USB_OTG_FS;
g_hpcd.Init.use_dedicated_ep1 = DISABLE;
g_hpcd.Init.dma_enable = DISABLE;
g_hpcd.Init.vbus_sensing_enable = DISABLE;
g_hpcd.Init.vbus_sensing_enable = VBUS_SENSING;
g_hpcd.Init.use_external_vbus = DISABLE;
#else
g_hpcd.Instance = USB;
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5 changes: 5 additions & 0 deletions variants/board_template/variant.h
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Expand Up @@ -157,6 +157,11 @@ extern "C" {
// SD Read/Write timeout, default value defined in STM32SD library
//#define SD_DATATIMEOUT x

// USB Vbus sensing. Require to have Vbus pin connected to Vbus signal.
// Warning, pin is different depending on FullSpeed or High Speed mode used
// See AN4879 https://www.st.com/content/st_com/en/search.html#q=AN4879-t=resources-page=1
//#define USBD_VBUS_DETECTION_ENABLE

#ifdef __cplusplus
} // extern "C"
#endif
Expand Down