Devan Lai / USBDevice_STM32F103

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Dependents:   STM32F103C8T6_WebUSBDFU STM32F103C8T6_USBDFU STM32F103C8T6_USBDFU dfu_usb_stm32f103

Fork of USBDevice_STM32F103 by Zoltan Hudak

Files at this revision

API Documentation at this revision

Revision 21:ee9f2fa6bdbc, committed 2014-03-27

Comitter:
mbed_official
Date:
Thu Mar 27 09:45:42 2014 +0000
Parent:
20:d38b72fed893
Child:
22:5b7d31d9d3f3
Commit message:
Synchronized with git revision 3d49a491d4dd16466354746d3c329428840f5a03

Full URL: https://github.com/mbedmicro/mbed/commit/3d49a491d4dd16466354746d3c329428840f5a03/

Fixed readNB() bug

Changed in this revision

USBHID/USBHID.cpp Show annotated file Show diff for this revision Revisions of this file 
--- a/USBHID/USBHID.cpp	Thu Feb 27 09:45:46 2014 +0000
+++ b/USBHID/USBHID.cpp	Thu Mar 27 09:45:42 2014 +0000
@@ -59,6 +59,9 @@
     uint32_t bytesRead = 0;
     bool result;
     result = USBDevice::readEP_NB(EPINT_OUT, report->data, &bytesRead, MAX_HID_REPORT_SIZE);
+    // if readEP_NB did not succeed, does not issue a readStart
+    if (!result)
+        return false;
     report->length = bytesRead;
     if(!readStart(EPINT_OUT, MAX_HID_REPORT_SIZE))
         return false;