USBHost library for WAVE file player
Fork of USBHost by
USBHostSerial/USBHostSerial.h
- Committer:
- samux
- Date:
- 2013-03-06
- Revision:
- 2:5e8fdc541b98
- Parent:
- 1:0a457e34fa9e
- Child:
- 3:0f5c32575eb8
File content as of revision 2:5e8fdc541b98:
/* Copyright (c) 2010-2011 mbed.org, MIT License * * Permission is hereby granted, free of charge, to any person obtaining a copy of this software * and associated documentation files (the "Software"), to deal in the Software without * restriction, including without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all copies or * substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef USBHOSTSERIAL_H #define USBHOSTSERIAL_H #include "USBHostConf.h" #if USBHOST_SERIAL #include "USBHost.h" #include "Stream.h" #include "MtxCircBuffer.h" /** * A class to communicate a USB virtual serial port */ class USBHostSerial : public IUSBEnumerator, public Stream { public: /** * Constructor */ USBHostSerial(); enum IrqType { RxIrq, TxIrq }; /** * Check if a virtual serial port is connected * * @returns true if a serial device is connected */ bool connected(); /** * Try to connect a serial device * * * @return true if connection was successful */ bool connect(); /** * Check the number of bytes available. * * @returns the number of bytes available */ uint8_t available(); /** * Attach a member function to call when a packet is received. * * @param tptr pointer to the object to call the member function on * @param mptr pointer to the member function to be called * @param irq irq type */ template<typename T> inline void attach(T* tptr, void (T::*mptr)(void), IrqType irq = RxIrq) { if ((mptr != NULL) && (tptr != NULL)) { if (irq == RxIrq) { rx.attach(tptr, mptr); } else { tx.attach(tptr, mptr); } } } /** * Attach a callback called when a packet is received * * @param ptr function pointer */ inline void attach(void (*fn)(void), IrqType irq = RxIrq) { if (fn != NULL) { if (irq == RxIrq) { rx.attach(fn); } else { tx.attach(fn); } } } protected: //From IUSBEnumerator virtual void setVidPid(uint16_t vid, uint16_t pid); virtual bool parseInterface(uint8_t intf_nb, uint8_t intf_class, uint8_t intf_subclass, uint8_t intf_protocol); //Must return true if the interface should be parsed virtual bool useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir); //Must return true if the endpoint will be used virtual int _getc(); virtual int _putc(int c); private: USBHost * host; USBDeviceConnected * dev; USBEndpoint * bulk_in; USBEndpoint * bulk_out; uint32_t size_bulk_in; uint32_t size_bulk_out; bool dev_connected; void init(); MtxCircBuffer<uint8_t, 64> circ_buf; uint8_t buf[64]; void rxHandler(); void txHandler(); FunctionPointer rx; FunctionPointer tx; int serial_intf; bool serial_device_found; }; #endif #endif