Important changes to repositories hosted on mbed.com
Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.
To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.
It is also possible to export all your personal repositories from the account settings page.
USBHostSerial.h
00001 /* Copyright (c) 2010-2011 mbed.org, MIT License 00002 * 00003 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software 00004 * and associated documentation files (the "Software"), to deal in the Software without 00005 * restriction, including without limitation the rights to use, copy, modify, merge, publish, 00006 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the 00007 * Software is furnished to do so, subject to the following conditions: 00008 * 00009 * The above copyright notice and this permission notice shall be included in all copies or 00010 * substantial portions of the Software. 00011 * 00012 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING 00013 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 00014 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 00015 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 00016 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 00017 */ 00018 00019 #ifndef USBHOSTSERIAL_H 00020 #define USBHOSTSERIAL_H 00021 00022 #include "USBHost.h" 00023 #include "Stream.h" 00024 #include "MtxCircBuffer.h" 00025 00026 enum IrqType { 00027 RxIrq, 00028 TxIrq 00029 }; 00030 00031 class USBHostSerial: public Stream { 00032 public: 00033 /* 00034 * Constructor 00035 */ 00036 USBHostSerial(); 00037 00038 /* 00039 * Check if a serial port device is connected 00040 * 00041 * @returns true if a serial device is connected 00042 */ 00043 bool connected(); 00044 00045 /* 00046 * _getc overriden to provide scanf capabilities 00047 */ 00048 virtual int _getc(); 00049 00050 /* 00051 * _putc overriden to provide printf capabilities 00052 */ 00053 virtual int _putc(int c); 00054 00055 /** 00056 * Check the number of bytes available. 00057 * 00058 * @returns the number of bytes available 00059 */ 00060 uint8_t available(); 00061 00062 /** 00063 * Attach a member function to call when a packet is received. 00064 * 00065 * @param tptr pointer to the object to call the member function on 00066 * @param mptr pointer to the member function to be called 00067 */ 00068 template<typename T> 00069 void attach(T* tptr, void (T::*mptr)(void), IrqType irq = RxIrq) { 00070 if ((mptr != NULL) && (tptr != NULL)) { 00071 if (irq == RxIrq) { 00072 rx.attach(tptr, mptr); 00073 } else { 00074 tx.attach(tptr, mptr); 00075 } 00076 } 00077 } 00078 00079 /** 00080 * Attach a callback called when a packet is received 00081 * 00082 * @param fptr function pointer 00083 */ 00084 void attach(void (*fn)(void), IrqType irq = RxIrq) { 00085 if (fn != NULL) { 00086 if (irq == RxIrq) { 00087 rx.attach(fn); 00088 } else { 00089 tx.attach(fn); 00090 } 00091 } 00092 } 00093 00094 00095 private: 00096 USBHost * host; 00097 USBDeviceConnected * dev; 00098 Endpoint * bulk_in; 00099 Endpoint * bulk_out; 00100 00101 bool dev_connected; 00102 00103 void init(); 00104 00105 MtxCircBuffer<uint8_t, 64> circ_buf; 00106 00107 uint8_t buf[20]; 00108 00109 void rxHandler(); 00110 void txHandler(); 00111 FunctionPointer rx; 00112 FunctionPointer tx; 00113 00114 }; 00115 00116 #endif
Generated on Tue Jul 12 2022 17:50:57 by
