Subdirectory provided by Embedded Artists
Dependencies: DM_FATFileSystem DM_HttpServer DM_USBHost EthernetInterface USBDevice mbed-rpc mbed-rtos mbed-src
Dependents: lpc4088_displaymodule_hello_world_Sept_2018
Fork of DMSupport by
Display/BiosTouch.cpp@24:9a677afc86f1, 2015-01-17 (annotated)
- Committer:
- embeddedartists
- Date:
- Sat Jan 17 14:12:37 2015 +0100
- Revision:
- 24:9a677afc86f1
- Parent:
- 23:6afd6a716e80
- Child:
- 26:a65fbb4bde5c
- Added string parameter to the BIOS debug function to be able to print information about which BIOS_BOARD is selected
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
embeddedartists | 22:1a58a518435c | 1 | /* |
embeddedartists | 22:1a58a518435c | 2 | * Copyright 2014 Embedded Artists AB |
embeddedartists | 22:1a58a518435c | 3 | * |
embeddedartists | 22:1a58a518435c | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
embeddedartists | 22:1a58a518435c | 5 | * you may not use this file except in compliance with the License. |
embeddedartists | 22:1a58a518435c | 6 | * You may obtain a copy of the License at |
embeddedartists | 22:1a58a518435c | 7 | * |
embeddedartists | 22:1a58a518435c | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
embeddedartists | 22:1a58a518435c | 9 | * |
embeddedartists | 22:1a58a518435c | 10 | * Unless required by applicable law or agreed to in writing, software |
embeddedartists | 22:1a58a518435c | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
embeddedartists | 22:1a58a518435c | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
embeddedartists | 22:1a58a518435c | 13 | * See the License for the specific language governing permissions and |
embeddedartists | 22:1a58a518435c | 14 | * limitations under the License. |
embeddedartists | 22:1a58a518435c | 15 | */ |
embeddedartists | 22:1a58a518435c | 16 | |
embeddedartists | 22:1a58a518435c | 17 | #include "mbed.h" |
embeddedartists | 22:1a58a518435c | 18 | #include "BiosTouch.h" |
embeddedartists | 22:1a58a518435c | 19 | #include "BiosLoader.h" |
embeddedartists | 22:1a58a518435c | 20 | #include "DMBoard.h" |
embeddedartists | 22:1a58a518435c | 21 | #include "bios.h" |
embeddedartists | 22:1a58a518435c | 22 | #include "meas.h" |
embeddedartists | 22:1a58a518435c | 23 | |
embeddedartists | 22:1a58a518435c | 24 | /****************************************************************************** |
embeddedartists | 22:1a58a518435c | 25 | * Defines and typedefs |
embeddedartists | 22:1a58a518435c | 26 | *****************************************************************************/ |
embeddedartists | 22:1a58a518435c | 27 | |
embeddedartists | 22:1a58a518435c | 28 | #define SIG_NEW_DATA 0x1 |
embeddedartists | 22:1a58a518435c | 29 | class TouchHandler { |
embeddedartists | 22:1a58a518435c | 30 | public: |
embeddedartists | 22:1a58a518435c | 31 | TouchHandler(bios_header_t* bios, void* biosData, int num) : |
embeddedartists | 22:1a58a518435c | 32 | _latest(NULL), _touchIRQ(P2_25), _bios(bios), |
embeddedartists | 22:1a58a518435c | 33 | _biosData(biosData), _haveData(false), _points(num), |
embeddedartists | 22:1a58a518435c | 34 | _thread(NULL), _listener(NULL) {} |
embeddedartists | 22:1a58a518435c | 35 | void handleTouchInterrupt(); |
embeddedartists | 22:1a58a518435c | 36 | void changeTouchInterrupt(bool enable, bool rising); |
embeddedartists | 22:1a58a518435c | 37 | TouchPanel::TouchError read(touch_coordinate_t* coord, int num); |
embeddedartists | 22:1a58a518435c | 38 | void run(); |
embeddedartists | 22:1a58a518435c | 39 | void setThread(Thread* t) { _thread = t; } |
embeddedartists | 22:1a58a518435c | 40 | FunctionPointer* setListener(FunctionPointer* listener); |
embeddedartists | 22:1a58a518435c | 41 | private: |
embeddedartists | 22:1a58a518435c | 42 | Mutex _mutex; |
embeddedartists | 22:1a58a518435c | 43 | touch_coordinate_t* _latest; |
embeddedartists | 22:1a58a518435c | 44 | InterruptIn _touchIRQ; |
embeddedartists | 22:1a58a518435c | 45 | bios_header_t* _bios; |
embeddedartists | 22:1a58a518435c | 46 | void* _biosData; |
embeddedartists | 22:1a58a518435c | 47 | bool _haveData; //TODO: improve |
embeddedartists | 22:1a58a518435c | 48 | int _points; |
embeddedartists | 22:1a58a518435c | 49 | Thread* _thread; |
embeddedartists | 22:1a58a518435c | 50 | FunctionPointer* _listener; |
embeddedartists | 22:1a58a518435c | 51 | }; |
embeddedartists | 22:1a58a518435c | 52 | |
embeddedartists | 22:1a58a518435c | 53 | /****************************************************************************** |
embeddedartists | 22:1a58a518435c | 54 | * Local variables |
embeddedartists | 22:1a58a518435c | 55 | *****************************************************************************/ |
embeddedartists | 22:1a58a518435c | 56 | |
embeddedartists | 22:1a58a518435c | 57 | /****************************************************************************** |
embeddedartists | 22:1a58a518435c | 58 | * Private Functions |
embeddedartists | 22:1a58a518435c | 59 | *****************************************************************************/ |
embeddedartists | 22:1a58a518435c | 60 | |
embeddedartists | 22:1a58a518435c | 61 | BiosTouch::BiosTouch() : |
embeddedartists | 22:1a58a518435c | 62 | _initialized(false), |
embeddedartists | 22:1a58a518435c | 63 | _haveInfo(false), |
embeddedartists | 22:1a58a518435c | 64 | _poweredOn(false), |
embeddedartists | 22:1a58a518435c | 65 | //_touchIRQ(P2_25), |
embeddedartists | 22:1a58a518435c | 66 | _bios(NULL), |
embeddedartists | 22:1a58a518435c | 67 | _biosData(NULL), |
embeddedartists | 22:1a58a518435c | 68 | _handlerThread(NULL), |
embeddedartists | 22:1a58a518435c | 69 | _handler(NULL), |
embeddedartists | 22:1a58a518435c | 70 | _supportsTouch(false) |
embeddedartists | 22:1a58a518435c | 71 | { |
embeddedartists | 22:1a58a518435c | 72 | } |
embeddedartists | 22:1a58a518435c | 73 | |
embeddedartists | 22:1a58a518435c | 74 | BiosTouch::~BiosTouch() |
embeddedartists | 22:1a58a518435c | 75 | { |
embeddedartists | 22:1a58a518435c | 76 | // _bios and _biosData are deallocated by BiosLoader |
embeddedartists | 22:1a58a518435c | 77 | |
embeddedartists | 22:1a58a518435c | 78 | if (_handlerThread != NULL) { |
embeddedartists | 22:1a58a518435c | 79 | delete _handlerThread; |
embeddedartists | 22:1a58a518435c | 80 | _handlerThread = NULL; |
embeddedartists | 22:1a58a518435c | 81 | } |
embeddedartists | 22:1a58a518435c | 82 | if (_handler != NULL) { |
embeddedartists | 22:1a58a518435c | 83 | delete _handler; |
embeddedartists | 22:1a58a518435c | 84 | _handler = NULL; |
embeddedartists | 22:1a58a518435c | 85 | } |
embeddedartists | 22:1a58a518435c | 86 | } |
embeddedartists | 22:1a58a518435c | 87 | |
embeddedartists | 22:1a58a518435c | 88 | // Function called from the BIOS |
embeddedartists | 22:1a58a518435c | 89 | static void touchIrqEnabler(uint32_t arg, bool enable, bool rising) |
embeddedartists | 22:1a58a518435c | 90 | { |
embeddedartists | 22:1a58a518435c | 91 | ((TouchHandler*)arg)->changeTouchInterrupt(enable, rising); |
embeddedartists | 24:9a677afc86f1 | 92 | //#if defined(DM_BOARD_ENABLE_MEASSURING_PINS) |
embeddedartists | 24:9a677afc86f1 | 93 | // if (enable) { |
embeddedartists | 24:9a677afc86f1 | 94 | // SET_MEAS_PIN_1(); |
embeddedartists | 24:9a677afc86f1 | 95 | // } else { |
embeddedartists | 24:9a677afc86f1 | 96 | // CLR_MEAS_PIN_1(); |
embeddedartists | 24:9a677afc86f1 | 97 | // } |
embeddedartists | 24:9a677afc86f1 | 98 | //#endif |
embeddedartists | 22:1a58a518435c | 99 | } |
embeddedartists | 22:1a58a518435c | 100 | |
embeddedartists | 22:1a58a518435c | 101 | static void touchTask(void const* args) |
embeddedartists | 22:1a58a518435c | 102 | { |
embeddedartists | 22:1a58a518435c | 103 | ((TouchHandler*)args)->run(); |
embeddedartists | 22:1a58a518435c | 104 | } |
embeddedartists | 22:1a58a518435c | 105 | |
embeddedartists | 22:1a58a518435c | 106 | |
embeddedartists | 22:1a58a518435c | 107 | void TouchHandler::run() |
embeddedartists | 22:1a58a518435c | 108 | { |
embeddedartists | 22:1a58a518435c | 109 | RtosLog* log = DMBoard::instance().logger(); |
embeddedartists | 22:1a58a518435c | 110 | BiosError_t err; |
embeddedartists | 22:1a58a518435c | 111 | |
embeddedartists | 22:1a58a518435c | 112 | _latest = (touch_coordinate_t*)malloc(_points*sizeof(touch_coordinate_t)); |
embeddedartists | 22:1a58a518435c | 113 | if (_latest == NULL) { |
embeddedartists | 22:1a58a518435c | 114 | log->printf("Failed to allocate memory for touch events\n"); |
embeddedartists | 22:1a58a518435c | 115 | mbed_die(); |
embeddedartists | 22:1a58a518435c | 116 | } |
embeddedartists | 22:1a58a518435c | 117 | memset(_latest, 0, _points*sizeof(touch_coordinate_t)); |
embeddedartists | 24:9a677afc86f1 | 118 | uint32_t maxDelay = osWaitForever; |
embeddedartists | 24:9a677afc86f1 | 119 | SET_MEAS_PIN_1(); |
embeddedartists | 22:1a58a518435c | 120 | while(true) { |
embeddedartists | 24:9a677afc86f1 | 121 | #if 1 |
embeddedartists | 24:9a677afc86f1 | 122 | osEvent evt = Thread::signal_wait(SIG_NEW_DATA, maxDelay); |
embeddedartists | 24:9a677afc86f1 | 123 | if (evt.status == osEventTimeout) { |
embeddedartists | 24:9a677afc86f1 | 124 | // got a timeout after the last touch event, now go back to |
embeddedartists | 24:9a677afc86f1 | 125 | // waiting forever for the next one |
embeddedartists | 24:9a677afc86f1 | 126 | maxDelay = osWaitForever; |
embeddedartists | 24:9a677afc86f1 | 127 | SET_MEAS_PIN_1(); |
embeddedartists | 24:9a677afc86f1 | 128 | } else { |
embeddedartists | 24:9a677afc86f1 | 129 | // normal event, start a timeout to make sure that we get an |
embeddedartists | 24:9a677afc86f1 | 130 | // event when the user stops fiddling with the display |
embeddedartists | 24:9a677afc86f1 | 131 | //maxDelay = 10; |
embeddedartists | 24:9a677afc86f1 | 132 | CLR_MEAS_PIN_1(); |
embeddedartists | 24:9a677afc86f1 | 133 | } |
embeddedartists | 24:9a677afc86f1 | 134 | SET_MEAS_PIN_3(); |
embeddedartists | 24:9a677afc86f1 | 135 | _bios->touchIrqHandler(_biosData); |
embeddedartists | 24:9a677afc86f1 | 136 | CLR_MEAS_PIN_3(); |
embeddedartists | 24:9a677afc86f1 | 137 | |
embeddedartists | 24:9a677afc86f1 | 138 | _mutex.lock(); |
embeddedartists | 24:9a677afc86f1 | 139 | err = _bios->touchRead(_biosData, _latest, _points); |
embeddedartists | 24:9a677afc86f1 | 140 | FunctionPointer* fp = _listener; |
embeddedartists | 24:9a677afc86f1 | 141 | _mutex.unlock(); |
embeddedartists | 24:9a677afc86f1 | 142 | |
embeddedartists | 24:9a677afc86f1 | 143 | if (err == BiosError_Ok) { |
embeddedartists | 24:9a677afc86f1 | 144 | //notify registered callbacks |
embeddedartists | 24:9a677afc86f1 | 145 | if (fp != NULL) { |
embeddedartists | 24:9a677afc86f1 | 146 | SET_MEAS_PIN_4(); |
embeddedartists | 24:9a677afc86f1 | 147 | fp->call(); |
embeddedartists | 24:9a677afc86f1 | 148 | CLR_MEAS_PIN_4(); |
embeddedartists | 24:9a677afc86f1 | 149 | } |
embeddedartists | 24:9a677afc86f1 | 150 | } else { |
embeddedartists | 24:9a677afc86f1 | 151 | log->printf("Failed to read touch event, err = %d\n", err); |
embeddedartists | 24:9a677afc86f1 | 152 | } |
embeddedartists | 24:9a677afc86f1 | 153 | |
embeddedartists | 24:9a677afc86f1 | 154 | // mode 2 - wait max 10ms for touch event and simulate |
embeddedartists | 24:9a677afc86f1 | 155 | // one if there isn't anyone (for the "touch up" |
embeddedartists | 24:9a677afc86f1 | 156 | // event) |
embeddedartists | 24:9a677afc86f1 | 157 | #else |
embeddedartists | 22:1a58a518435c | 158 | Thread::signal_wait(SIG_NEW_DATA); |
embeddedartists | 22:1a58a518435c | 159 | // if (_haveData) { |
embeddedartists | 22:1a58a518435c | 160 | // _haveData = false; |
embeddedartists | 22:1a58a518435c | 161 | SET_MEAS_PIN_3(); |
embeddedartists | 22:1a58a518435c | 162 | _bios->touchIrqHandler(_biosData); |
embeddedartists | 22:1a58a518435c | 163 | CLR_MEAS_PIN_3(); |
embeddedartists | 22:1a58a518435c | 164 | //read |
embeddedartists | 22:1a58a518435c | 165 | _mutex.lock(); |
embeddedartists | 22:1a58a518435c | 166 | err = _bios->touchRead(_biosData, _latest, _points); |
embeddedartists | 22:1a58a518435c | 167 | FunctionPointer* fp = _listener; |
embeddedartists | 22:1a58a518435c | 168 | _mutex.unlock(); |
embeddedartists | 22:1a58a518435c | 169 | if (err == BiosError_Ok) { |
embeddedartists | 22:1a58a518435c | 170 | //notify registered callbacks |
embeddedartists | 22:1a58a518435c | 171 | if (fp != NULL) { |
embeddedartists | 22:1a58a518435c | 172 | SET_MEAS_PIN_4(); |
embeddedartists | 22:1a58a518435c | 173 | fp->call(); |
embeddedartists | 24:9a677afc86f1 | 174 | CLR_MEAS_PIN_4(); |
embeddedartists | 22:1a58a518435c | 175 | } |
embeddedartists | 22:1a58a518435c | 176 | } else { |
embeddedartists | 22:1a58a518435c | 177 | log->printf("Failed to read touch event, err = %d\n", err); |
embeddedartists | 22:1a58a518435c | 178 | } |
embeddedartists | 22:1a58a518435c | 179 | // } |
embeddedartists | 24:9a677afc86f1 | 180 | #endif |
embeddedartists | 22:1a58a518435c | 181 | } |
embeddedartists | 22:1a58a518435c | 182 | //if (_latest != NULL) { |
embeddedartists | 22:1a58a518435c | 183 | // free(_latest); |
embeddedartists | 22:1a58a518435c | 184 | // _latest = NULL; |
embeddedartists | 22:1a58a518435c | 185 | //} |
embeddedartists | 22:1a58a518435c | 186 | } |
embeddedartists | 22:1a58a518435c | 187 | |
embeddedartists | 22:1a58a518435c | 188 | TouchPanel::TouchError TouchHandler::read(touch_coordinate_t* coord, int num) |
embeddedartists | 22:1a58a518435c | 189 | { |
embeddedartists | 22:1a58a518435c | 190 | if (num > _points || num < 1) { |
embeddedartists | 22:1a58a518435c | 191 | return TouchPanel::TouchError_InvalidParam; |
embeddedartists | 22:1a58a518435c | 192 | } |
embeddedartists | 22:1a58a518435c | 193 | _mutex.lock(); |
embeddedartists | 22:1a58a518435c | 194 | memcpy(coord, _latest, num*sizeof(touch_coordinate_t)); |
embeddedartists | 22:1a58a518435c | 195 | _mutex.unlock(); |
embeddedartists | 22:1a58a518435c | 196 | |
embeddedartists | 22:1a58a518435c | 197 | return TouchPanel::TouchError_Ok; |
embeddedartists | 22:1a58a518435c | 198 | } |
embeddedartists | 22:1a58a518435c | 199 | |
embeddedartists | 22:1a58a518435c | 200 | void TouchHandler::handleTouchInterrupt() |
embeddedartists | 22:1a58a518435c | 201 | { |
embeddedartists | 22:1a58a518435c | 202 | SET_MEAS_PIN_2(); |
embeddedartists | 22:1a58a518435c | 203 | //_haveData = true; |
embeddedartists | 22:1a58a518435c | 204 | if (_thread != NULL) { |
embeddedartists | 22:1a58a518435c | 205 | _thread->signal_set(SIG_NEW_DATA); |
embeddedartists | 22:1a58a518435c | 206 | } |
embeddedartists | 22:1a58a518435c | 207 | CLR_MEAS_PIN_2(); |
embeddedartists | 22:1a58a518435c | 208 | } |
embeddedartists | 22:1a58a518435c | 209 | |
embeddedartists | 22:1a58a518435c | 210 | void TouchHandler::changeTouchInterrupt(bool enable, bool rising) |
embeddedartists | 22:1a58a518435c | 211 | { |
embeddedartists | 22:1a58a518435c | 212 | if (enable) { |
embeddedartists | 22:1a58a518435c | 213 | if (rising) { |
embeddedartists | 22:1a58a518435c | 214 | _touchIRQ.rise(this, &TouchHandler::handleTouchInterrupt); |
embeddedartists | 22:1a58a518435c | 215 | } else { |
embeddedartists | 22:1a58a518435c | 216 | _touchIRQ.fall(this, &TouchHandler::handleTouchInterrupt); |
embeddedartists | 22:1a58a518435c | 217 | } |
embeddedartists | 22:1a58a518435c | 218 | } else { |
embeddedartists | 22:1a58a518435c | 219 | if (rising) { |
embeddedartists | 22:1a58a518435c | 220 | _touchIRQ.rise(NULL); |
embeddedartists | 22:1a58a518435c | 221 | } else { |
embeddedartists | 22:1a58a518435c | 222 | _touchIRQ.fall(NULL); |
embeddedartists | 22:1a58a518435c | 223 | } |
embeddedartists | 22:1a58a518435c | 224 | } |
embeddedartists | 22:1a58a518435c | 225 | } |
embeddedartists | 22:1a58a518435c | 226 | |
embeddedartists | 22:1a58a518435c | 227 | FunctionPointer* TouchHandler::setListener(FunctionPointer* listener) |
embeddedartists | 22:1a58a518435c | 228 | { |
embeddedartists | 22:1a58a518435c | 229 | _mutex.lock(); |
embeddedartists | 22:1a58a518435c | 230 | FunctionPointer* old = _listener; |
embeddedartists | 22:1a58a518435c | 231 | _listener = listener; |
embeddedartists | 22:1a58a518435c | 232 | _mutex.unlock(); |
embeddedartists | 22:1a58a518435c | 233 | return old; |
embeddedartists | 22:1a58a518435c | 234 | } |
embeddedartists | 22:1a58a518435c | 235 | |
embeddedartists | 22:1a58a518435c | 236 | |
embeddedartists | 22:1a58a518435c | 237 | /****************************************************************************** |
embeddedartists | 22:1a58a518435c | 238 | * Public Functions |
embeddedartists | 22:1a58a518435c | 239 | *****************************************************************************/ |
embeddedartists | 22:1a58a518435c | 240 | |
embeddedartists | 22:1a58a518435c | 241 | BiosTouch::TouchError BiosTouch::init() |
embeddedartists | 22:1a58a518435c | 242 | { |
embeddedartists | 22:1a58a518435c | 243 | TouchError result = TouchError_Ok; |
embeddedartists | 22:1a58a518435c | 244 | if (!_initialized) { |
embeddedartists | 22:1a58a518435c | 245 | do { |
embeddedartists | 22:1a58a518435c | 246 | if (BiosLoader::instance().params(&_bios, &_biosData) != DMBoard::Ok) { |
embeddedartists | 22:1a58a518435c | 247 | result = TouchError_ConfigError; |
embeddedartists | 22:1a58a518435c | 248 | break; |
embeddedartists | 22:1a58a518435c | 249 | } |
embeddedartists | 22:1a58a518435c | 250 | |
embeddedartists | 22:1a58a518435c | 251 | result = (TouchError)_bios->touchInformation(_biosData, &_supportsTouch, &_supportsTouchCalibration, &_touchIsResistive, &_touchNumFingers); |
embeddedartists | 22:1a58a518435c | 252 | if (result != TouchError_Ok) { |
embeddedartists | 22:1a58a518435c | 253 | break; |
embeddedartists | 22:1a58a518435c | 254 | } |
embeddedartists | 22:1a58a518435c | 255 | _haveInfo = true; |
embeddedartists | 22:1a58a518435c | 256 | |
embeddedartists | 22:1a58a518435c | 257 | // is it supported at all? |
embeddedartists | 22:1a58a518435c | 258 | if (!_supportsTouch) { |
embeddedartists | 22:1a58a518435c | 259 | result = TouchError_TouchNotSupported; |
embeddedartists | 22:1a58a518435c | 260 | break; |
embeddedartists | 22:1a58a518435c | 261 | } |
embeddedartists | 22:1a58a518435c | 262 | |
embeddedartists | 22:1a58a518435c | 263 | _handler = new TouchHandler(_bios, _biosData, _touchNumFingers); |
embeddedartists | 22:1a58a518435c | 264 | |
embeddedartists | 22:1a58a518435c | 265 | result = (TouchError)_bios->touchInit(_biosData, touchIrqEnabler, (uint32_t)_handler); |
embeddedartists | 22:1a58a518435c | 266 | if (result != TouchError_Ok) { |
embeddedartists | 22:1a58a518435c | 267 | break; |
embeddedartists | 22:1a58a518435c | 268 | } |
embeddedartists | 22:1a58a518435c | 269 | |
embeddedartists | 22:1a58a518435c | 270 | result = (TouchError)_bios->touchPowerUp(_biosData); |
embeddedartists | 22:1a58a518435c | 271 | if (result != TouchError_Ok) { |
embeddedartists | 22:1a58a518435c | 272 | break; |
embeddedartists | 22:1a58a518435c | 273 | } |
embeddedartists | 22:1a58a518435c | 274 | |
embeddedartists | 22:1a58a518435c | 275 | _handlerThread = new Thread(touchTask, _handler); |
embeddedartists | 22:1a58a518435c | 276 | _handler->setThread(_handlerThread); |
embeddedartists | 22:1a58a518435c | 277 | |
embeddedartists | 22:1a58a518435c | 278 | _initialized = true; |
embeddedartists | 22:1a58a518435c | 279 | } while(0); |
embeddedartists | 22:1a58a518435c | 280 | |
embeddedartists | 22:1a58a518435c | 281 | if (!_initialized) { |
embeddedartists | 22:1a58a518435c | 282 | if (_handler != NULL) { |
embeddedartists | 22:1a58a518435c | 283 | delete _handler; |
embeddedartists | 22:1a58a518435c | 284 | _handler = NULL; |
embeddedartists | 22:1a58a518435c | 285 | } |
embeddedartists | 22:1a58a518435c | 286 | } |
embeddedartists | 22:1a58a518435c | 287 | } |
embeddedartists | 22:1a58a518435c | 288 | return result; |
embeddedartists | 22:1a58a518435c | 289 | } |
embeddedartists | 22:1a58a518435c | 290 | |
embeddedartists | 22:1a58a518435c | 291 | BiosTouch::TouchError BiosTouch::read(touch_coordinate_t &coord) |
embeddedartists | 22:1a58a518435c | 292 | { |
embeddedartists | 22:1a58a518435c | 293 | TouchError err = TouchError_Ok; |
embeddedartists | 22:1a58a518435c | 294 | if (!_initialized) { |
embeddedartists | 22:1a58a518435c | 295 | err = TouchError_NoInit; |
embeddedartists | 22:1a58a518435c | 296 | } else { |
embeddedartists | 22:1a58a518435c | 297 | err = _handler->read(&coord, 1); |
embeddedartists | 22:1a58a518435c | 298 | } |
embeddedartists | 22:1a58a518435c | 299 | return err; |
embeddedartists | 22:1a58a518435c | 300 | } |
embeddedartists | 22:1a58a518435c | 301 | |
embeddedartists | 22:1a58a518435c | 302 | BiosTouch::TouchError BiosTouch::read(touch_coordinate_t* coord, int num) |
embeddedartists | 22:1a58a518435c | 303 | { |
embeddedartists | 22:1a58a518435c | 304 | TouchError err = TouchError_Ok; |
embeddedartists | 22:1a58a518435c | 305 | if (!_initialized) { |
embeddedartists | 22:1a58a518435c | 306 | err = TouchError_NoInit; |
embeddedartists | 22:1a58a518435c | 307 | } else { |
embeddedartists | 22:1a58a518435c | 308 | err = _handler->read(coord, num); |
embeddedartists | 22:1a58a518435c | 309 | } |
embeddedartists | 22:1a58a518435c | 310 | return err; |
embeddedartists | 22:1a58a518435c | 311 | } |
embeddedartists | 22:1a58a518435c | 312 | |
embeddedartists | 22:1a58a518435c | 313 | BiosTouch::TouchError BiosTouch::info(bool* resistive, int* maxPoints, bool* calibrated) |
embeddedartists | 22:1a58a518435c | 314 | { |
embeddedartists | 22:1a58a518435c | 315 | TouchError err = TouchError_Ok; |
embeddedartists | 22:1a58a518435c | 316 | if (!_haveInfo) { |
embeddedartists | 22:1a58a518435c | 317 | err = TouchError_NoInit; |
embeddedartists | 22:1a58a518435c | 318 | } else { |
embeddedartists | 22:1a58a518435c | 319 | *resistive = _touchIsResistive; |
embeddedartists | 22:1a58a518435c | 320 | *maxPoints = _touchNumFingers; |
embeddedartists | 22:1a58a518435c | 321 | *calibrated = _supportsTouchCalibration; |
embeddedartists | 22:1a58a518435c | 322 | } |
embeddedartists | 22:1a58a518435c | 323 | return err; |
embeddedartists | 22:1a58a518435c | 324 | } |
embeddedartists | 22:1a58a518435c | 325 | |
embeddedartists | 22:1a58a518435c | 326 | bool BiosTouch::isTouchSupported() |
embeddedartists | 22:1a58a518435c | 327 | { |
embeddedartists | 22:1a58a518435c | 328 | #if defined(DM_BOARD_USE_TOUCH) |
embeddedartists | 22:1a58a518435c | 329 | if (_haveInfo) { |
embeddedartists | 22:1a58a518435c | 330 | return _supportsTouch; |
embeddedartists | 22:1a58a518435c | 331 | } |
embeddedartists | 22:1a58a518435c | 332 | #endif |
embeddedartists | 22:1a58a518435c | 333 | return false; |
embeddedartists | 22:1a58a518435c | 334 | } |
embeddedartists | 22:1a58a518435c | 335 | |
embeddedartists | 22:1a58a518435c | 336 | BiosTouch::TouchError BiosTouch::calibrateStart() |
embeddedartists | 22:1a58a518435c | 337 | { |
embeddedartists | 22:1a58a518435c | 338 | TouchError err = TouchError_Ok; |
embeddedartists | 22:1a58a518435c | 339 | if (!_initialized) { |
embeddedartists | 22:1a58a518435c | 340 | err = TouchError_NoInit; |
embeddedartists | 22:1a58a518435c | 341 | } else { |
embeddedartists | 22:1a58a518435c | 342 | err = (TouchError)_bios->touchCalibrateStart(_biosData); |
embeddedartists | 22:1a58a518435c | 343 | } |
embeddedartists | 22:1a58a518435c | 344 | return err; |
embeddedartists | 22:1a58a518435c | 345 | } |
embeddedartists | 22:1a58a518435c | 346 | |
embeddedartists | 22:1a58a518435c | 347 | BiosTouch::TouchError BiosTouch::getNextCalibratePoint(uint16_t* x, uint16_t* y, bool* last) |
embeddedartists | 22:1a58a518435c | 348 | { |
embeddedartists | 22:1a58a518435c | 349 | TouchError err = TouchError_Ok; |
embeddedartists | 22:1a58a518435c | 350 | if (!_initialized) { |
embeddedartists | 22:1a58a518435c | 351 | err = TouchError_NoInit; |
embeddedartists | 22:1a58a518435c | 352 | } else { |
embeddedartists | 22:1a58a518435c | 353 | err = (TouchError)_bios->touchGetNextCalibPoint(_biosData, x, y, last); |
embeddedartists | 22:1a58a518435c | 354 | } |
embeddedartists | 22:1a58a518435c | 355 | return err; |
embeddedartists | 22:1a58a518435c | 356 | } |
embeddedartists | 22:1a58a518435c | 357 | |
embeddedartists | 22:1a58a518435c | 358 | BiosTouch::TouchError BiosTouch::waitForCalibratePoint(bool* morePoints, uint32_t timeout) |
embeddedartists | 22:1a58a518435c | 359 | { |
embeddedartists | 22:1a58a518435c | 360 | TouchError err = TouchError_Ok; |
embeddedartists | 22:1a58a518435c | 361 | if (!_initialized) { |
embeddedartists | 22:1a58a518435c | 362 | err = TouchError_NoInit; |
embeddedartists | 22:1a58a518435c | 363 | } else { |
embeddedartists | 22:1a58a518435c | 364 | err = (TouchError)_bios->touchWaitForCalibratePoint(_biosData, morePoints, timeout); |
embeddedartists | 22:1a58a518435c | 365 | } |
embeddedartists | 22:1a58a518435c | 366 | return err; |
embeddedartists | 22:1a58a518435c | 367 | } |
embeddedartists | 22:1a58a518435c | 368 | |
embeddedartists | 22:1a58a518435c | 369 | FunctionPointer* BiosTouch::setListener(FunctionPointer* listener) |
embeddedartists | 22:1a58a518435c | 370 | { |
embeddedartists | 22:1a58a518435c | 371 | if (_initialized) { |
embeddedartists | 22:1a58a518435c | 372 | return _handler->setListener(listener); |
embeddedartists | 22:1a58a518435c | 373 | } |
embeddedartists | 22:1a58a518435c | 374 | return NULL; |
embeddedartists | 22:1a58a518435c | 375 | } |