tmk_core/tool/mbed/mbed-sdk/libraries/USBDevice/USBSerial/USBCDC.h

   1 /* Copyright (c) 2010-2011 mbed.org, MIT License
   2 *
   3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
   4 * and associated documentation files (the "Software"), to deal in the Software without
   5 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
   6 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
   7 * Software is furnished to do so, subject to the following conditions:
   8 *
   9 * The above copyright notice and this permission notice shall be included in all copies or
  10 * substantial portions of the Software.
  11 *
  12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
  13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
  15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  17 */
  18
  19 #ifndef USBCDC_H
  20 #define USBCDC_H
  21
  22 /* These headers are included for child class. */
  23 #include "USBEndpoints.h"
  24 #include "USBDescriptor.h"
  25 #include "USBDevice_Types.h"
  26
  27 #include "USBDevice.h"
  28
  29 class USBCDC: public USBDevice {
  30 public:
  31
  32     /*
  33     * Constructor
  34     *
  35     * @param vendor_id Your vendor_id
  36     * @param product_id Your product_id
  37     * @param product_release Your preoduct_release
  38     * @param connect_blocking define if the connection must be blocked if USB not plugged in
  39     */
  40     USBCDC(uint16_t vendor_id, uint16_t product_id, uint16_t product_release, bool connect_blocking);
  41
  42 protected:
  43
  44     /*
  45     * Get device descriptor. Warning: this method has to store the length of the report descriptor in reportLength.
  46     *
  47     * @returns pointer to the device descriptor
  48     */
  49     virtual uint8_t * deviceDesc();
  50
  51     /*
  52     * Get string product descriptor
  53     *
  54     * @returns pointer to the string product descriptor
  55     */
  56     virtual uint8_t * stringIproductDesc();
  57
  58     /*
  59     * Get string interface descriptor
  60     *
  61     * @returns pointer to the string interface descriptor
  62     */
  63     virtual uint8_t * stringIinterfaceDesc();
  64
  65     /*
  66     * Get configuration descriptor
  67     *
  68     * @returns pointer to the configuration descriptor
  69     */
  70     virtual uint8_t * configurationDesc();
  71
  72     /*
  73     * Send a buffer
  74     *
  75     * @param endpoint endpoint which will be sent the buffer
  76     * @param buffer buffer to be sent
  77     * @param size length of the buffer
  78     * @returns true if successful
  79     */
  80     bool send(uint8_t * buffer, uint32_t size);
  81
  82     /*
  83     * Read a buffer from a certain endpoint. Warning: blocking
  84     *
  85     * @param endpoint endpoint to read
  86     * @param buffer buffer where will be stored bytes
  87     * @param size the number of bytes read will be stored in *size
  88     * @param maxSize the maximum length that can be read
  89     * @returns true if successful
  90     */
  91     bool readEP(uint8_t * buffer, uint32_t * size);
  92
  93     /*
  94     * Read a buffer from a certain endpoint. Warning: non blocking
  95     *
  96     * @param endpoint endpoint to read
  97     * @param buffer buffer where will be stored bytes
  98     * @param size the number of bytes read will be stored in *size
  99     * @param maxSize the maximum length that can be read
 100     * @returns true if successful
 101     */
 102     bool readEP_NB(uint8_t * buffer, uint32_t * size);
 103
 104     /*
 105     * Called by USBCallback_requestCompleted when CDC line coding is changed
 106     * Warning: Called in ISR
 107     *
 108     * @param baud The baud rate
 109     * @param bits The number of bits in a word (5-8)
 110     * @param parity The parity
 111     * @param stop The number of stop bits (1 or 2)
 112     */
 113     virtual void lineCodingChanged(int baud, int bits, int parity, int stop) {};
 114
 115 protected:
 116     virtual bool USBCallback_request();
 117     virtual void USBCallback_requestCompleted(uint8_t *buf, uint32_t length);
 118     virtual bool USBCallback_setConfiguration(uint8_t configuration);
 119     volatile bool terminal_connected;
 120
 121 };
 122
 123 #endif