Make return value of USBDeviceClass::send the bytes sent

sandeepmistry · sandeepmistry · commit 8ef9bb3d7bd0 · 2016-05-27T11:21:34.000-04:00
diff --git a/cores/arduino/USB/USBCore.cpp b/cores/arduino/USB/USBCore.cpp
@@ -605,6 +605,7 @@ uint8_t USBDeviceClass::armRecv(uint32_t ep)
 // Blocking Send of data to an endpoint
 uint32_t USBDeviceClass::send(uint32_t ep, const void *data, uint32_t len)
 {
+	uint32_t written = 0;
 	uint32_t length = 0;
 
 	if (!_usbConfiguration)
@@ -675,10 +676,11 @@ uint32_t USBDeviceClass::send(uint32_t ep, const void *data, uint32_t len)
 		while (!usbd.epBank1IsTransferComplete(ep)) {
 			;  // need fire exit.
 		}
+		written += length;
 		len -= length;
 		data = (char *)data + length;
 	}
-	return len;
+	return written;
 }
 
 uint32_t USBDeviceClass::armSend(uint32_t ep, const void* data, uint32_t len)

Original file line number	Diff line number	Diff line change
`@@ -605,6 +605,7 @@ uint8_t USBDeviceClass::armRecv(uint32_t ep)`
`605`	`605`	`// Blocking Send of data to an endpoint`
`606`	`606`	`uint32_t USBDeviceClass::send(uint32_t ep, const void *data, uint32_t len)`
`607`	`607`	`{`
	`608`	`+ uint32_t written = 0;`
`608`	`609`	`uint32_t length = 0;`
`609`	`610`
`610`	`611`	`if (!_usbConfiguration)`
`@@ -675,10 +676,11 @@ uint32_t USBDeviceClass::send(uint32_t ep, const void *data, uint32_t len)`
`675`	`676`	`while (!usbd.epBank1IsTransferComplete(ep)) {`
`676`	`677`	`; // need fire exit.`
`677`	`678`	`}`
	`679`	`+ written += length;`
`678`	`680`	`len -= length;`
`679`	`681`	`data = (char *)data + length;`
`680`	`682`	`}`
`681`		`- return len;`
	`683`	`+ return written;`
`682`	`684`	`}`
`683`	`685`
`684`	`686`	`uint32_t USBDeviceClass::armSend(uint32_t ep, const void* data, uint32_t len)`