Update USBCore.cpp

Flamethr0wer · web-flow · commit e9d7e85d2a7f · 2025-10-03T17:02:58.000+02:00
diff --git a/cores/arduino/USBCore.cpp b/cores/arduino/USBCore.cpp
@@ -468,7 +468,8 @@ bool SendDescriptor(USBSetup& setup)
 
 	if (t == 0x21) {
         InitControl(setup.wLength);
-    	USB_SendControl(TRANSFER_PGM, hidClassDescriptor, hidClassDescriptorSize, setup.wLength));
+    	int toSend = setup.wLength < sizeof(hidClassDescriptor) ? setup.wLength : sizeof(hidClassDescriptor);
+		USB_SendControl(TRANSFER_PGM, hidClassDescriptor, toSend);
     	return true;
     }
 

Original file line number	Diff line number	Diff line change
`@@ -468,7 +468,8 @@ bool SendDescriptor(USBSetup& setup)`
`468`	`468`
`469`	`469`	`if (t == 0x21) {`
`470`	`470`	`InitControl(setup.wLength);`
`471`		`- USB_SendControl(TRANSFER_PGM, hidClassDescriptor, hidClassDescriptorSize, setup.wLength));`
	`471`	`+ int toSend = setup.wLength < sizeof(hidClassDescriptor) ? setup.wLength : sizeof(hidClassDescriptor);`
	`472`	`+ USB_SendControl(TRANSFER_PGM, hidClassDescriptor, toSend);`
`472`	`473`	`return true;`
`473`	`474`	`}`
`474`	`475`