USER PASS / USBHost

keyboard->mbed->PC (mbed->SDcard)

Dependencies:   mbed-rtos

Fork of USBHost by mbed official

USBHostSerial/USBHostSerial.h@0:a554658735bf, 2013-03-06 (annotated)

Committer:
mbed_official
Date:
Wed Mar 06 16:27:14 2013 +0000
Revision:
0:a554658735bf
Child:
1:0a457e34fa9e
first commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 0:a554658735bf 1 /* Copyright (c) 2010-2011 mbed.org, MIT License
mbed_official 0:a554658735bf 2 *
mbed_official 0:a554658735bf 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
mbed_official 0:a554658735bf 4 * and associated documentation files (the "Software"), to deal in the Software without
mbed_official 0:a554658735bf 5 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
mbed_official 0:a554658735bf 6 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
mbed_official 0:a554658735bf 7 * Software is furnished to do so, subject to the following conditions:
mbed_official 0:a554658735bf 8 *
mbed_official 0:a554658735bf 9 * The above copyright notice and this permission notice shall be included in all copies or
mbed_official 0:a554658735bf 10 * substantial portions of the Software.
mbed_official 0:a554658735bf 11 *
mbed_official 0:a554658735bf 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
mbed_official 0:a554658735bf 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
mbed_official 0:a554658735bf 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
mbed_official 0:a554658735bf 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
mbed_official 0:a554658735bf 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
mbed_official 0:a554658735bf 17 */
mbed_official 0:a554658735bf 18
mbed_official 0:a554658735bf 19 #ifndef USBHOSTSERIAL_H
mbed_official 0:a554658735bf 20 #define USBHOSTSERIAL_H
mbed_official 0:a554658735bf 21
mbed_official 0:a554658735bf 22 #include "USBHostConf.h"
mbed_official 0:a554658735bf 23
mbed_official 0:a554658735bf 24 #if USBHOST_SERIAL
mbed_official 0:a554658735bf 25
mbed_official 0:a554658735bf 26 #include "USBHost.h"
mbed_official 0:a554658735bf 27 #include "Stream.h"
mbed_official 0:a554658735bf 28 #include "MtxCircBuffer.h"
mbed_official 0:a554658735bf 29
mbed_official 0:a554658735bf 30 class USBHostSerial : public IUSBEnumerator, public Stream {
mbed_official 0:a554658735bf 31 public:
mbed_official 0:a554658735bf 32 /**
mbed_official 0:a554658735bf 33 * Constructor
mbed_official 0:a554658735bf 34 */
mbed_official 0:a554658735bf 35 USBHostSerial();
mbed_official 0:a554658735bf 36
mbed_official 0:a554658735bf 37 enum IrqType {
mbed_official 0:a554658735bf 38 RxIrq,
mbed_official 0:a554658735bf 39 TxIrq
mbed_official 0:a554658735bf 40 };
mbed_official 0:a554658735bf 41
mbed_official 0:a554658735bf 42 /**
mbed_official 0:a554658735bf 43 * Check if a virtual serial port is connected
mbed_official 0:a554658735bf 44 *
mbed_official 0:a554658735bf 45 * @returns true if a serial device is connected
mbed_official 0:a554658735bf 46 */
mbed_official 0:a554658735bf 47 bool connected();
mbed_official 0:a554658735bf 48
mbed_official 0:a554658735bf 49 /**
mbed_official 0:a554658735bf 50 * Try to connect a serial device
mbed_official 0:a554658735bf 51 *
mbed_official 0:a554658735bf 52 * * @return true if connection was successful
mbed_official 0:a554658735bf 53 */
mbed_official 0:a554658735bf 54 bool connect();
mbed_official 0:a554658735bf 55
mbed_official 0:a554658735bf 56 /**
mbed_official 0:a554658735bf 57 * Check the number of bytes available.
mbed_official 0:a554658735bf 58 *
mbed_official 0:a554658735bf 59 * @returns the number of bytes available
mbed_official 0:a554658735bf 60 */
mbed_official 0:a554658735bf 61 uint8_t available();
mbed_official 0:a554658735bf 62
mbed_official 0:a554658735bf 63 /**
mbed_official 0:a554658735bf 64 * Attach a member function to call when a packet is received.
mbed_official 0:a554658735bf 65 *
mbed_official 0:a554658735bf 66 * @param tptr pointer to the object to call the member function on
mbed_official 0:a554658735bf 67 * @param mptr pointer to the member function to be called
mbed_official 0:a554658735bf 68 */
mbed_official 0:a554658735bf 69 template<typename T>
mbed_official 0:a554658735bf 70 inline void attach(T* tptr, void (T::*mptr)(void), IrqType irq = RxIrq) {
mbed_official 0:a554658735bf 71 if ((mptr != NULL) && (tptr != NULL)) {
mbed_official 0:a554658735bf 72 if (irq == RxIrq) {
mbed_official 0:a554658735bf 73 rx.attach(tptr, mptr);
mbed_official 0:a554658735bf 74 } else {
mbed_official 0:a554658735bf 75 tx.attach(tptr, mptr);
mbed_official 0:a554658735bf 76 }
mbed_official 0:a554658735bf 77 }
mbed_official 0:a554658735bf 78 }
mbed_official 0:a554658735bf 79
mbed_official 0:a554658735bf 80 /**
mbed_official 0:a554658735bf 81 * Attach a callback called when a packet is received
mbed_official 0:a554658735bf 82 *
mbed_official 0:a554658735bf 83 * @param fptr function pointer
mbed_official 0:a554658735bf 84 */
mbed_official 0:a554658735bf 85 inline void attach(void (*fn)(void), IrqType irq = RxIrq) {
mbed_official 0:a554658735bf 86 if (fn != NULL) {
mbed_official 0:a554658735bf 87 if (irq == RxIrq) {
mbed_official 0:a554658735bf 88 rx.attach(fn);
mbed_official 0:a554658735bf 89 } else {
mbed_official 0:a554658735bf 90 tx.attach(fn);
mbed_official 0:a554658735bf 91 }
mbed_official 0:a554658735bf 92 }
mbed_official 0:a554658735bf 93 }
mbed_official 0:a554658735bf 94
mbed_official 0:a554658735bf 95
mbed_official 0:a554658735bf 96 protected:
mbed_official 0:a554658735bf 97 //From IUSBEnumerator
mbed_official 0:a554658735bf 98 virtual void setVidPid(uint16_t vid, uint16_t pid);
mbed_official 0:a554658735bf 99 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
mbed_official 0:a554658735bf 100 virtual bool useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir); //Must return true if the endpoint will be used
mbed_official 0:a554658735bf 101
mbed_official 0:a554658735bf 102 virtual int _getc();
mbed_official 0:a554658735bf 103 virtual int _putc(int c);
mbed_official 0:a554658735bf 104
mbed_official 0:a554658735bf 105 private:
mbed_official 0:a554658735bf 106 USBHost * host;
mbed_official 0:a554658735bf 107 USBDeviceConnected * dev;
mbed_official 0:a554658735bf 108 USBEndpoint * bulk_in;
mbed_official 0:a554658735bf 109 USBEndpoint * bulk_out;
mbed_official 0:a554658735bf 110 uint32_t size_bulk_in;
mbed_official 0:a554658735bf 111 uint32_t size_bulk_out;
mbed_official 0:a554658735bf 112
mbed_official 0:a554658735bf 113 bool dev_connected;
mbed_official 0:a554658735bf 114
mbed_official 0:a554658735bf 115 void init();
mbed_official 0:a554658735bf 116
mbed_official 0:a554658735bf 117 MtxCircBuffer<uint8_t, 64> circ_buf;
mbed_official 0:a554658735bf 118
mbed_official 0:a554658735bf 119 uint8_t buf[64];
mbed_official 0:a554658735bf 120
mbed_official 0:a554658735bf 121 void rxHandler();
mbed_official 0:a554658735bf 122 void txHandler();
mbed_official 0:a554658735bf 123 FunctionPointer rx;
mbed_official 0:a554658735bf 124 FunctionPointer tx;
mbed_official 0:a554658735bf 125
mbed_official 0:a554658735bf 126 int serial_intf;
mbed_official 0:a554658735bf 127 bool serial_device_found;
mbed_official 0:a554658735bf 128
mbed_official 0:a554658735bf 129 };
mbed_official 0:a554658735bf 130
mbed_official 0:a554658735bf 131 #endif
mbed_official 0:a554658735bf 132
mbed_official 0:a554658735bf 133 #endif
mbed_official 0:a554658735bf 134