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UsbSerial.h
00001 00002 /* 00003 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com) 00004 00005 Permission is hereby granted, free of charge, to any person obtaining a copy 00006 of this software and associated documentation files (the "Software"), to deal 00007 in the Software without restriction, including without limitation the rights 00008 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 00009 copies of the Software, and to permit persons to whom the Software is 00010 furnished to do so, subject to the following conditions: 00011 00012 The above copyright notice and this permission notice shall be included in 00013 all copies or substantial portions of the Software. 00014 00015 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 00016 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 00017 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 00018 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 00019 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 00020 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 00021 THE SOFTWARE. 00022 */ 00023 00024 #ifndef USB_SERIAL_H 00025 #define USB_SERIAL_H 00026 00027 //DG 2010 00028 //Essentially a clone of Serial if 00029 #include "Stream.h" 00030 #include "mbed.h" 00031 00032 namespace mbed { 00033 00034 class UsbSerial : public Stream { 00035 00036 public: 00037 00038 UsbSerial(int usbDev, int usbIf, const char *name = NULL); 00039 virtual ~UsbSerial(); 00040 //Apart from the ctor/dtor, exactly the same protos as Serial 00041 00042 00043 void baud(int baudrate); 00044 00045 enum Parity { 00046 None = 0, 00047 Odd = 1, 00048 Even = 2, 00049 Forced1 = 3, 00050 Forced0 = 4 00051 }; 00052 00053 void format(int bits, int parity, int stop); 00054 00055 00056 #if 0 // Inhereted from Stream, for documentation only 00057 00058 /* Function: putc 00059 * Write a character 00060 * 00061 * Variables: 00062 * c - The character to write to the serial port 00063 */ 00064 int putc(int c); 00065 00066 /* Function: getc 00067 * Read a character 00068 * 00069 * Variables: 00070 * returns - The character read from the serial port 00071 */ 00072 int getc(); 00073 00074 /* Function: printf 00075 * Write a formated string 00076 * 00077 * Variables: 00078 * format - A printf-style format string, followed by the 00079 * variables to use in formating the string. 00080 */ 00081 int printf(const char* format, ...); 00082 00083 /* Function: scanf 00084 * Read a formated string 00085 * 00086 * Variables: 00087 * format - A scanf-style format string, 00088 * followed by the pointers to variables to store the results. 00089 */ 00090 int scanf(const char* format, ...); 00091 00092 #endif 00093 00094 /* Function: readable 00095 * Determine if there is a character available to read 00096 * 00097 * Variables: 00098 * returns - 1 if there is a character available to read, else 0 00099 */ 00100 int readable(); 00101 00102 /* Function: writeable 00103 * Determine if there is space available to write a character 00104 * 00105 * Variables: 00106 * returns - 1 if there is space to write a character, else 0 00107 */ 00108 int writeable(); 00109 00110 virtual const struct rpc_method *get_rpc_methods(); 00111 static struct rpc_class *get_rpc_class(); 00112 00113 protected: 00114 00115 virtual int _getc(); 00116 virtual int _putc(int c); 00117 00118 private: 00119 00120 void startTx(); 00121 void startRx(); 00122 00123 Timeout m_txTimeout; 00124 00125 volatile char* m_inBufEven; 00126 volatile char* m_inBufOdd; 00127 volatile char* m_inBufUsr; 00128 volatile char* m_inBufTrmt; 00129 00130 volatile char* m_outBufEven; 00131 volatile char* m_outBufOdd; 00132 volatile char* m_outBufUsr; 00133 volatile char* m_outBufTrmt; 00134 00135 volatile int m_inBufLen; 00136 volatile int m_outBufLen; 00137 00138 volatile char* m_pInBufPos; 00139 volatile char* m_pOutBufPos; 00140 00141 00142 00143 }; 00144 00145 } 00146 00147 00148 00149 #endif
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