CDC/ECM driver for mbed, based on USBDevice by mbed-official. Uses PicoTCP to access Ethernet USB device. License: GPLv2
Fork of USB_Ethernet by
Diff: USBCDC_ECM.cpp
- Revision:
- 1:759afa79ebe8
- Parent:
- 0:34c829fbc7a8
- Child:
- 2:540f6e142d59
--- a/USBCDC_ECM.cpp Fri Aug 02 08:04:58 2013 +0000 +++ b/USBCDC_ECM.cpp Sat Aug 03 08:51:00 2013 +0000 @@ -78,14 +78,19 @@ // We activate the endpoint to be able to recceive data readStart(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK); printf("Set config: OK!\n"); + return true; } bool USBCDC_ECM::send(uint8_t * buffer, uint32_t size) { + if (!configured()) + return false; return USBDevice::write(EPBULK_IN, buffer, size, MAX_CDC_REPORT_SIZE); } bool USBCDC_ECM::readEP(uint8_t * buffer, uint32_t * size) { + if (!configured()) + return false; if (!USBDevice::readEP(EPBULK_OUT, buffer, size, MAX_CDC_REPORT_SIZE)) return false; if (!readStart(EPBULK_OUT, MAX_CDC_REPORT_SIZE)) @@ -94,6 +99,8 @@ } bool USBCDC_ECM::readEP_NB(uint8_t * buffer, uint32_t * size) { + if (!configured()) + return false; if (!USBDevice::readEP_NB(EPBULK_OUT, buffer, size, MAX_CDC_REPORT_SIZE)) return false; if (!readStart(EPBULK_OUT, MAX_CDC_REPORT_SIZE))