SD card interface

Committer:
lharoon
Date:
Mon Oct 08 11:14:07 2012 +0000
Revision:
0:22612ae617a0
1st edition

Who changed what in which revision?

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lharoon 0:22612ae617a0 1 /* Copyright (c) 2010-2011 mbed.org, MIT License
lharoon 0:22612ae617a0 2 *
lharoon 0:22612ae617a0 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
lharoon 0:22612ae617a0 4 * and associated documentation files (the "Software"), to deal in the Software without
lharoon 0:22612ae617a0 5 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
lharoon 0:22612ae617a0 6 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
lharoon 0:22612ae617a0 7 * Software is furnished to do so, subject to the following conditions:
lharoon 0:22612ae617a0 8 *
lharoon 0:22612ae617a0 9 * The above copyright notice and this permission notice shall be included in all copies or
lharoon 0:22612ae617a0 10 * substantial portions of the Software.
lharoon 0:22612ae617a0 11 *
lharoon 0:22612ae617a0 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
lharoon 0:22612ae617a0 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
lharoon 0:22612ae617a0 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
lharoon 0:22612ae617a0 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
lharoon 0:22612ae617a0 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
lharoon 0:22612ae617a0 17 */
lharoon 0:22612ae617a0 18
lharoon 0:22612ae617a0 19 #ifndef USBSERIAL_H
lharoon 0:22612ae617a0 20 #define USBSERIAL_H
lharoon 0:22612ae617a0 21
lharoon 0:22612ae617a0 22 #include "USBCDC.h"
lharoon 0:22612ae617a0 23 #include "Stream.h"
lharoon 0:22612ae617a0 24 #include "CircBuffer.h"
lharoon 0:22612ae617a0 25
lharoon 0:22612ae617a0 26
lharoon 0:22612ae617a0 27 /**
lharoon 0:22612ae617a0 28 * USBSerial example
lharoon 0:22612ae617a0 29 *
lharoon 0:22612ae617a0 30 * @code
lharoon 0:22612ae617a0 31 * #include "mbed.h"
lharoon 0:22612ae617a0 32 * #include "USBSerial.h"
lharoon 0:22612ae617a0 33 *
lharoon 0:22612ae617a0 34 * //Virtual serial port over USB
lharoon 0:22612ae617a0 35 * USBSerial serial;
lharoon 0:22612ae617a0 36 *
lharoon 0:22612ae617a0 37 * int main(void) {
lharoon 0:22612ae617a0 38 *
lharoon 0:22612ae617a0 39 * while(1)
lharoon 0:22612ae617a0 40 * {
lharoon 0:22612ae617a0 41 * serial.printf("I am a virtual serial port\n");
lharoon 0:22612ae617a0 42 * wait(1);
lharoon 0:22612ae617a0 43 * }
lharoon 0:22612ae617a0 44 * }
lharoon 0:22612ae617a0 45 * @endcode
lharoon 0:22612ae617a0 46 */
lharoon 0:22612ae617a0 47 class USBSerial: public USBCDC, public Stream {
lharoon 0:22612ae617a0 48 public:
lharoon 0:22612ae617a0 49
lharoon 0:22612ae617a0 50 /**
lharoon 0:22612ae617a0 51 * Constructor
lharoon 0:22612ae617a0 52 *
lharoon 0:22612ae617a0 53 * @param vendor_id Your vendor_id (default: 0x1f00)
lharoon 0:22612ae617a0 54 * @param product_id Your product_id (default: 0x2012)
lharoon 0:22612ae617a0 55 * @param product_release Your preoduct_release (default: 0x0001)
lharoon 0:22612ae617a0 56 *
lharoon 0:22612ae617a0 57 */
lharoon 0:22612ae617a0 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){ };
lharoon 0:22612ae617a0 59
lharoon 0:22612ae617a0 60
lharoon 0:22612ae617a0 61 /**
lharoon 0:22612ae617a0 62 * Send a character. You can use puts, printf.
lharoon 0:22612ae617a0 63 *
lharoon 0:22612ae617a0 64 * @param c character to be sent
lharoon 0:22612ae617a0 65 * @returns true if there is no error, false otherwise
lharoon 0:22612ae617a0 66 */
lharoon 0:22612ae617a0 67 virtual int _putc(int c);
lharoon 0:22612ae617a0 68
lharoon 0:22612ae617a0 69 /**
lharoon 0:22612ae617a0 70 * Read a character: blocking
lharoon 0:22612ae617a0 71 *
lharoon 0:22612ae617a0 72 * @returns character read
lharoon 0:22612ae617a0 73 */
lharoon 0:22612ae617a0 74 virtual int _getc();
lharoon 0:22612ae617a0 75
lharoon 0:22612ae617a0 76 /**
lharoon 0:22612ae617a0 77 * Check the number of bytes available.
lharoon 0:22612ae617a0 78 *
lharoon 0:22612ae617a0 79 * @returns the number of bytes available
lharoon 0:22612ae617a0 80 */
lharoon 0:22612ae617a0 81 uint8_t available();
lharoon 0:22612ae617a0 82
lharoon 0:22612ae617a0 83 /**
lharoon 0:22612ae617a0 84 * Write a block of data.
lharoon 0:22612ae617a0 85 *
lharoon 0:22612ae617a0 86 * For more efficiency, a block of size 64 (maximum size of a bulk endpoint) has to be written.
lharoon 0:22612ae617a0 87 *
lharoon 0:22612ae617a0 88 * @param buf pointer on data which will be written
lharoon 0:22612ae617a0 89 * @param size size of the buffer. The maximum size of a block is limited by the size of the endpoint (64 bytes)
lharoon 0:22612ae617a0 90 *
lharoon 0:22612ae617a0 91 * @returns true if successfull
lharoon 0:22612ae617a0 92 */
lharoon 0:22612ae617a0 93 bool writeBlock(uint8_t * buf, uint16_t size);
lharoon 0:22612ae617a0 94
lharoon 0:22612ae617a0 95 /**
lharoon 0:22612ae617a0 96 * Attach a member function to call when a packet is received.
lharoon 0:22612ae617a0 97 *
lharoon 0:22612ae617a0 98 * @param tptr pointer to the object to call the member function on
lharoon 0:22612ae617a0 99 * @param mptr pointer to the member function to be called
lharoon 0:22612ae617a0 100 */
lharoon 0:22612ae617a0 101 template<typename T>
lharoon 0:22612ae617a0 102 void attach(T* tptr, void (T::*mptr)(void)) {
lharoon 0:22612ae617a0 103 if((mptr != NULL) && (tptr != NULL)) {
lharoon 0:22612ae617a0 104 rx.attach(tptr, mptr);
lharoon 0:22612ae617a0 105 }
lharoon 0:22612ae617a0 106 }
lharoon 0:22612ae617a0 107
lharoon 0:22612ae617a0 108 /**
lharoon 0:22612ae617a0 109 * Attach a callback called when a packet is received
lharoon 0:22612ae617a0 110 *
lharoon 0:22612ae617a0 111 * @param fptr function pointer
lharoon 0:22612ae617a0 112 */
lharoon 0:22612ae617a0 113 void attach(void (*fn)(void)) {
lharoon 0:22612ae617a0 114 if(fn != NULL) {
lharoon 0:22612ae617a0 115 rx.attach(fn);
lharoon 0:22612ae617a0 116 }
lharoon 0:22612ae617a0 117 }
lharoon 0:22612ae617a0 118
lharoon 0:22612ae617a0 119
lharoon 0:22612ae617a0 120 protected:
lharoon 0:22612ae617a0 121 virtual bool EP2_OUT_callback();
lharoon 0:22612ae617a0 122
lharoon 0:22612ae617a0 123 private:
lharoon 0:22612ae617a0 124 FunctionPointer rx;
lharoon 0:22612ae617a0 125 CircBuffer<uint8_t> buf;
lharoon 0:22612ae617a0 126 };
lharoon 0:22612ae617a0 127
lharoon 0:22612ae617a0 128 #endif