Jack Shao / USBDevice

USB device stack

Fork of USBDevice by mbed official

USBSerial/USBSerial.h@1:80ab0d068708, 2012-07-17 (annotated)

Committer:
samux
Date:
Tue Jul 17 14:30:29 2012 +0000
Revision:
1:80ab0d068708
Child:
15:849c0c0f2769
Update USBDevice lib

Who changed what in which revision?

UserRevisionLine numberNew contents of line
samux 1:80ab0d068708 1 /* Copyright (c) 2010-2011 mbed.org, MIT License
samux 1:80ab0d068708 2 *
samux 1:80ab0d068708 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
samux 1:80ab0d068708 4 * and associated documentation files (the "Software"), to deal in the Software without
samux 1:80ab0d068708 5 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
samux 1:80ab0d068708 6 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
samux 1:80ab0d068708 7 * Software is furnished to do so, subject to the following conditions:
samux 1:80ab0d068708 8 *
samux 1:80ab0d068708 9 * The above copyright notice and this permission notice shall be included in all copies or
samux 1:80ab0d068708 10 * substantial portions of the Software.
samux 1:80ab0d068708 11 *
samux 1:80ab0d068708 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
samux 1:80ab0d068708 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
samux 1:80ab0d068708 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
samux 1:80ab0d068708 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
samux 1:80ab0d068708 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
samux 1:80ab0d068708 17 */
samux 1:80ab0d068708 18
samux 1:80ab0d068708 19 #ifndef USBSERIAL_H
samux 1:80ab0d068708 20 #define USBSERIAL_H
samux 1:80ab0d068708 21
samux 1:80ab0d068708 22 #include "USBCDC.h"
samux 1:80ab0d068708 23 #include "Stream.h"
samux 1:80ab0d068708 24 #include "CircBuffer.h"
samux 1:80ab0d068708 25
samux 1:80ab0d068708 26
samux 1:80ab0d068708 27 /**
samux 1:80ab0d068708 28 * USBSerial example
samux 1:80ab0d068708 29 *
samux 1:80ab0d068708 30 * @code
samux 1:80ab0d068708 31 * #include "mbed.h"
samux 1:80ab0d068708 32 * #include "USBSerial.h"
samux 1:80ab0d068708 33 *
samux 1:80ab0d068708 34 * //Virtual serial port over USB
samux 1:80ab0d068708 35 * USBSerial serial;
samux 1:80ab0d068708 36 *
samux 1:80ab0d068708 37 * int main(void) {
samux 1:80ab0d068708 38 *
samux 1:80ab0d068708 39 * while(1)
samux 1:80ab0d068708 40 * {
samux 1:80ab0d068708 41 * serial.printf("I am a virtual serial port\n");
samux 1:80ab0d068708 42 * wait(1);
samux 1:80ab0d068708 43 * }
samux 1:80ab0d068708 44 * }
samux 1:80ab0d068708 45 * @endcode
samux 1:80ab0d068708 46 */
samux 1:80ab0d068708 47 class USBSerial: public USBCDC, public Stream {
samux 1:80ab0d068708 48 public:
samux 1:80ab0d068708 49
samux 1:80ab0d068708 50 /**
samux 1:80ab0d068708 51 * Constructor
samux 1:80ab0d068708 52 *
samux 1:80ab0d068708 53 * @param vendor_id Your vendor_id (default: 0x1f00)
samux 1:80ab0d068708 54 * @param product_id Your product_id (default: 0x2012)
samux 1:80ab0d068708 55 * @param product_release Your preoduct_release (default: 0x0001)
samux 1:80ab0d068708 56 *
samux 1:80ab0d068708 57 */
samux 1:80ab0d068708 58 USBSerial(uint16_t vendor_id = 0x1f00, uint16_t product_id = 0x2012, uint16_t product_release = 0x0001): USBCDC(vendor_id, product_id, product_release), buf(128){ };
samux 1:80ab0d068708 59
samux 1:80ab0d068708 60
samux 1:80ab0d068708 61 /**
samux 1:80ab0d068708 62 * Send a character. You can use puts, printf.
samux 1:80ab0d068708 63 *
samux 1:80ab0d068708 64 * @param c character to be sent
samux 1:80ab0d068708 65 * @returns true if there is no error, false otherwise
samux 1:80ab0d068708 66 */
samux 1:80ab0d068708 67 virtual int _putc(int c);
samux 1:80ab0d068708 68
samux 1:80ab0d068708 69 /**
samux 1:80ab0d068708 70 * Read a character: blocking
samux 1:80ab0d068708 71 *
samux 1:80ab0d068708 72 * @returns character read
samux 1:80ab0d068708 73 */
samux 1:80ab0d068708 74 virtual int _getc();
samux 1:80ab0d068708 75
samux 1:80ab0d068708 76 /**
samux 1:80ab0d068708 77 * Check the number of bytes available.
samux 1:80ab0d068708 78 *
samux 1:80ab0d068708 79 * @returns the number of bytes available
samux 1:80ab0d068708 80 */
samux 1:80ab0d068708 81 uint8_t available();
samux 1:80ab0d068708 82
samux 1:80ab0d068708 83 /**
samux 1:80ab0d068708 84 * Write a block of data.
samux 1:80ab0d068708 85 *
samux 1:80ab0d068708 86 * For more efficiency, a block of size 64 (maximum size of a bulk endpoint) has to be written.
samux 1:80ab0d068708 87 *
samux 1:80ab0d068708 88 * @param buf pointer on data which will be written
samux 1:80ab0d068708 89 * @param size size of the buffer. The maximum size of a block is limited by the size of the endpoint (64 bytes)
samux 1:80ab0d068708 90 *
samux 1:80ab0d068708 91 * @returns true if successfull
samux 1:80ab0d068708 92 */
samux 1:80ab0d068708 93 bool writeBlock(uint8_t * buf, uint16_t size);
samux 1:80ab0d068708 94
samux 1:80ab0d068708 95 /**
samux 1:80ab0d068708 96 * Attach a member function to call when a packet is received.
samux 1:80ab0d068708 97 *
samux 1:80ab0d068708 98 * @param tptr pointer to the object to call the member function on
samux 1:80ab0d068708 99 * @param mptr pointer to the member function to be called
samux 1:80ab0d068708 100 */
samux 1:80ab0d068708 101 template<typename T>
samux 1:80ab0d068708 102 void attach(T* tptr, void (T::*mptr)(void)) {
samux 1:80ab0d068708 103 if((mptr != NULL) && (tptr != NULL)) {
samux 1:80ab0d068708 104 rx.attach(tptr, mptr);
samux 1:80ab0d068708 105 }
samux 1:80ab0d068708 106 }
samux 1:80ab0d068708 107
samux 1:80ab0d068708 108 /**
samux 1:80ab0d068708 109 * Attach a callback called when a packet is received
samux 1:80ab0d068708 110 *
samux 1:80ab0d068708 111 * @param fptr function pointer
samux 1:80ab0d068708 112 */
samux 1:80ab0d068708 113 void attach(void (*fn)(void)) {
samux 1:80ab0d068708 114 if(fn != NULL) {
samux 1:80ab0d068708 115 rx.attach(fn);
samux 1:80ab0d068708 116 }
samux 1:80ab0d068708 117 }
samux 1:80ab0d068708 118
samux 1:80ab0d068708 119
samux 1:80ab0d068708 120 protected:
samux 1:80ab0d068708 121 virtual bool EP2_OUT_callback();
samux 1:80ab0d068708 122
samux 1:80ab0d068708 123 private:
samux 1:80ab0d068708 124 FunctionPointer rx;
samux 1:80ab0d068708 125 CircBuffer<uint8_t> buf;
samux 1:80ab0d068708 126 };
samux 1:80ab0d068708 127
samux 1:80ab0d068708 128 #endif