| 1 | /* |
| 2 | PluggableUSB.h |
| 3 | Copyright (c) 2015 Arduino LLC |
| 4 | |
| 5 | This library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | This library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with this library; if not, write to the Free Software |
| 17 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 18 | */ |
| 19 |
|
| 20 | #ifndef PUSB_h |
| 21 | #define PUSB_h |
| 22 |
|
| 23 | #include "USBAPI.h" |
| 24 | #include <stdint.h> |
| 25 |
|
| 26 | #if defined(USBCON) |
| 27 |
|
| 28 | class PluggableUSBModule { |
| 29 | public: |
| 30 | PluggableUSBModule(uint8_t numEps, uint8_t numIfs, uint8_t *epType) : |
| 31 | numEndpoints(numEps), numInterfaces(numIfs), endpointType(epType) |
| 32 | { } |
| 33 |
|
| 34 | protected: |
| 35 | virtual bool setup(USBSetup& setup) = 0; |
| 36 | virtual int getInterface(uint8_t* interfaceCount) = 0; |
| 37 | virtual int getDescriptor(USBSetup& setup) = 0; |
| 38 | virtual uint8_t getShortName(char *name) { name[0] = 'A'+pluggedInterface; return 1; } |
| 39 |
|
| 40 | uint8_t pluggedInterface; |
| 41 | uint8_t pluggedEndpoint; |
| 42 |
|
| 43 | const uint8_t numEndpoints; |
| 44 | const uint8_t numInterfaces; |
| 45 | const uint8_t *endpointType; |
| 46 |
|
| 47 | PluggableUSBModule *next = NULL; |
| 48 |
|
| 49 | friend class PluggableUSB_; |
| 50 | }; |
| 51 |
|
| 52 | class PluggableUSB_ { |
| 53 | public: |
| 54 | PluggableUSB_(); |
| 55 | bool plug(PluggableUSBModule *node); |
| 56 | int getInterface(uint8_t* interfaceCount); |
| 57 | int getDescriptor(USBSetup& setup); |
| 58 | bool setup(USBSetup& setup); |
| 59 | void getShortName(char *iSerialNum); |
| 60 |
|
| 61 | private: |
| 62 | uint8_t lastIf; |
| 63 | uint8_t lastEp; |
| 64 | PluggableUSBModule* rootNode; |
| 65 | }; |
| 66 |
|
| 67 | // Replacement for global singleton. |
| 68 | // This function prevents static-initialization-order-fiasco |
| 69 | // https://isocpp.org/wiki/faq/ctors#static-init-order-on-first-use |
| 70 | PluggableUSB_& PluggableUSB(); |
| 71 |
|
| 72 | #endif |
| 73 |
|
| 74 | #endif |
| 75 |
|
Index