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/* Copyright (c) 2010-2011 mbed.org, MIT License
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
* and associated documentation files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or
* substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef USB_HID_H
#define USB_HID_H
/* These headers are included for child class. */
#include "USBEndpoints.h"
#include "USBDescriptor.h"
#include "USBDevice_Types.h"
#include "USBHID_Types.h"
#include "USBDevice.h"
/**
* USBHID example
* @code
* #include "mbed.h"
* #include "USBHID.h"
*
* USBHID hid;
* HID_REPORT recv;
* BusOut leds(LED1,LED2,LED3,LED4);
*
* int main(void) {
* while (1) {
* hid.read(&recv);
* leds = recv.data[0];
* }
* }
* @endcode
*/
class USBHID: public USBDevice {
public:
/**
* Constructor
*
* @param output_report_length Maximum length of a sent report (up to 64 bytes) (default: 64 bytes)
* @param input_report_length Maximum length of a received report (up to 64 bytes) (default: 64 bytes)
* @param vendor_id Your vendor_id
* @param product_id Your product_id
* @param product_release Your preoduct_release
* @param connect Connect the device
*/
USBHID(uint8_t output_report_length = 64, uint8_t input_report_length = 64, uint16_t vendor_id = 0x1234, uint16_t product_id = 0x0006, uint16_t product_release = 0x0001, bool connect = true);
/**
* Send a Report. warning: blocking
*
* @param report Report which will be sent (a report is defined by all data and the length)
* @returns true if successful
*/
bool send(HID_REPORT *report);
/**
* Send a Report. warning: non blocking
*
* @param report Report which will be sent (a report is defined by all data and the length)
* @returns true if successful
*/
bool sendNB(HID_REPORT *report);
/**
* Read a report: blocking
*
* @param report pointer to the report to fill
* @returns true if successful
*/
bool read(HID_REPORT * report);
/**
* Read a report: non blocking
*
* @param report pointer to the report to fill
* @returns true if successful
*/
bool readNB(HID_REPORT * report);
protected:
uint16_t reportLength;
/*
* Get the Report descriptor
*
* @returns pointer to the report descriptor
*/
virtual uint8_t * reportDesc();
/*
* Get the length of the report descriptor
*
* @returns the length of the report descriptor
*/
virtual uint16_t reportDescLength();
/*
* Get string product descriptor
*
* @returns pointer to the string product descriptor
*/
virtual uint8_t * stringIproductDesc();
/*
* Get string interface descriptor
*
* @returns pointer to the string interface descriptor
*/
virtual uint8_t * stringIinterfaceDesc();
/*
* Get configuration descriptor
*
* @returns pointer to the configuration descriptor
*/
virtual uint8_t * configurationDesc();
/*
* HID Report received by SET_REPORT request. Warning: Called in ISR context
* First byte of data will be the report ID
*
* @param report Data and length received
*/
virtual void HID_callbackSetReport(HID_REPORT *report){};
/*
* Called by USBDevice on Endpoint0 request. Warning: Called in ISR context
* This is used to handle extensions to standard requests
* and class specific requests
*
* @returns true if class handles this request
*/
virtual bool USBCallback_request();
/*
* Called by USBDevice layer. Set configuration of the device.
* For instance, you can add all endpoints that you need on this function.
*
* @param configuration Number of the configuration
* @returns true if class handles this request
*/
virtual bool USBCallback_setConfiguration(uint8_t configuration);
private:
HID_REPORT outputReport;
uint8_t output_length;
uint8_t input_length;
};
#endif
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