ADC Niose test Connect four analog signals to your MBED. and then run the Windows app. The four traces are displayed on an oscilloscope like display. I have used a USB HID DEVICE link, so connections to D+, D- are required. The MBED code is otherwise quite basic, So you can modify it to your own test needs. Additionaly, there is a 16 bit count value, in my MBED code Mainly to test if MSB & LSB are correct.
Diff: HID/USBBusInterface.h
- Revision:
- 0:cbe01b678bd4
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/HID/USBBusInterface.h Sat Nov 19 22:54:22 2011 +0000 @@ -0,0 +1,59 @@ +/* USBBusInterface.h */ +/* USB Bus Interface */ +/* Copyright (c) 2011 ARM Limited. All rights reserved. */ + +#ifndef USBBUSINTERFACE_H +#define USBBUSINTERFACE_H + +#include "mbed.h" +#include "USBEndpoints.h" + +class USBHAL { +public: + /* Configuration */ + USBHAL(); + ~USBHAL(); + void connect(void); + void disconnect(void); + void configureDevice(void); + void unconfigureDevice(void); + void setAddress(uint8_t address); + void remoteWakeup(void); + + /* Endpoint 0 */ + void EP0setup(uint8_t *buffer); + void EP0read(void); + uint32_t EP0getReadResult(uint8_t *buffer); + void EP0write(uint8_t *buffer, uint32_t size); + void EP0getWriteResult(void); + void EP0stall(void); + + /* Other endpoints */ + EP_STATUS endpointRead(uint8_t endpoint, uint32_t maximumSize); + EP_STATUS endpointReadResult(uint8_t endpoint, uint8_t *data, uint32_t *bytesRead); + EP_STATUS endpointWrite(uint8_t endpoint, uint8_t *data, uint32_t size); + EP_STATUS endpointWriteResult(uint8_t endpoint); + void stallEndpoint(uint8_t endpoint); + void unstallEndpoint(uint8_t endpoint); + bool realiseEndpoint(uint8_t endpoint, uint32_t maxPacket, uint32_t options); + bool getEndpointStallState(unsigned char endpoint); + +protected: + virtual void busReset(void){}; + virtual void EP0setupCallback(void){}; + virtual void EP0out(void){}; + virtual void EP0in(void){}; + virtual void connectStateChanged(unsigned int connected){}; + virtual void suspendStateChanged(unsigned int suspended){}; + void SOF(int frameNumber){}; + virtual bool EPBULK_OUT_callback(){return false;}; + virtual bool EPBULK_IN_callback(){return false;}; + +private: + void usbisr(void); + static void _usbisr(void); + static USBHAL * instance; +}; +#endif + +