#38 warning message

eez-open · Jul 22, 2020 · 9071958 · 9071958
1 parent 7e2070a
commit 9071958
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Showing 3 changed files with 15 additions and 1 deletion.
diff --git a/src/eez/action_impl.cpp b/src/eez/action_impl.cpp
@@ -1386,9 +1386,17 @@ void action_channel_toggle_ramp_state() {
     }
 }
 
+void doSetDeviceMode() {
+    sendMessageToLowPriorityThread(THREAD_MESSAGE_SELECT_USB_MODE, USB_MODE_DEVICE);
+}
+
 void onSetUsbMode(uint16_t value) {
 	popPage();
-    sendMessageToLowPriorityThread(THREAD_MESSAGE_SELECT_USB_MODE, value);
+    if (value == USB_MODE_DEVICE && usb::isOtgHostModeDetected()) {
+        areYouSureWithMessage("OTG cable detected.", doSetDeviceMode);
+    } else {
+        sendMessageToLowPriorityThread(THREAD_MESSAGE_SELECT_USB_MODE, value);
+    }
 }
 
 void action_select_usb_mode() {

diff --git a/src/eez/usb.cpp b/src/eez/usb.cpp
@@ -273,6 +273,10 @@ bool isMassStorageActive() {
     return (g_usbMode == USB_MODE_DEVICE || (g_usbMode == USB_MODE_OTG && g_otgMode == USB_MODE_DEVICE)) && g_usbDeviceClass == USB_DEVICE_CLASS_MASS_STORAGE_CLIENT;
 }
 
+bool isOtgHostModeDetected() {
+    return !HAL_GPIO_ReadPin(USB_OTG_FS_ID_GPIO_Port, USB_OTG_FS_ID_Pin);
+}
+
 } // usb
 } // eez
 

diff --git a/src/eez/usb.h b/src/eez/usb.h
@@ -35,6 +35,8 @@ void selectUsbDeviceClass(int usbDeviceClass);
 bool isVirtualComPortActive();
 bool isMassStorageActive();
 
+bool isOtgHostModeDetected();
+
 } // usb
 } // eez