USB device stack - modified
Fork of USBDevice by
Diff: USBHID/USBHID.h
- Revision:
- 1:80ab0d068708
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/USBHID/USBHID.h Tue Jul 17 14:30:29 2012 +0000 @@ -0,0 +1,172 @@ +/* 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