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-rw-r--r--stmhal/boards/STM32F4DISC/mpconfigboard.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/stmhal/boards/STM32F4DISC/mpconfigboard.h b/stmhal/boards/STM32F4DISC/mpconfigboard.h
index ee207e65b..b2ccefda5 100644
--- a/stmhal/boards/STM32F4DISC/mpconfigboard.h
+++ b/stmhal/boards/STM32F4DISC/mpconfigboard.h
@@ -32,3 +32,6 @@
#define MICROPY_HW_LED_OTYPE (GPIO_MODE_OUTPUT_PP)
#define MICROPY_HW_LED_ON(pin) (pin->gpio->BSRRL = pin->pin_mask)
#define MICROPY_HW_LED_OFF(pin) (pin->gpio->BSRRH = pin->pin_mask)
+
+// USB VBUS detect pin
+#define MICROPY_HW_USB_VBUS_DETECT_PIN (pin_A9)