t
Dependencies: DM_FATFileSystem DM_HttpServer DM_USBHost EthernetInterface USBDevice mbed-rpc mbed-rtos
Fork of DMSupport by
Display/BiosTouch.cpp@28:8ae20cb0b943, 2015-01-23 (annotated)
- Committer:
- embeddedartists
- Date:
- Fri Jan 23 17:31:56 2015 +0100
- Revision:
- 28:8ae20cb0b943
- Parent:
- 26:a65fbb4bde5c
- Child:
- 31:d47cffcb0a3e
- BIOS API up to 0.2.0
- Moved I2C0 interrupt handling from BiosTouch to BiosLoader
- Added (or prepared for) ethernet MAC address reading from BIOS
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 | 26:a65fbb4bde5c | 28 | #define NUM_COORDS 5 |
embeddedartists | 26:a65fbb4bde5c | 29 | #define NUM_MAILS 10 |
embeddedartists | 26:a65fbb4bde5c | 30 | typedef struct { |
embeddedartists | 26:a65fbb4bde5c | 31 | touch_coordinate_t touch[NUM_COORDS]; |
embeddedartists | 26:a65fbb4bde5c | 32 | int num; |
embeddedartists | 26:a65fbb4bde5c | 33 | } touch_mail_t; |
embeddedartists | 26:a65fbb4bde5c | 34 | |
embeddedartists | 22:1a58a518435c | 35 | #define SIG_NEW_DATA 0x1 |
embeddedartists | 22:1a58a518435c | 36 | class TouchHandler { |
embeddedartists | 22:1a58a518435c | 37 | public: |
embeddedartists | 22:1a58a518435c | 38 | TouchHandler(bios_header_t* bios, void* biosData, int num) : |
embeddedartists | 22:1a58a518435c | 39 | _latest(NULL), _touchIRQ(P2_25), _bios(bios), |
embeddedartists | 26:a65fbb4bde5c | 40 | _biosData(biosData), _points(num), |
embeddedartists | 26:a65fbb4bde5c | 41 | _listener(NULL), _lostData(0), |
embeddedartists | 26:a65fbb4bde5c | 42 | _dbgAdded(0), _dbgRemoved(0) {} |
embeddedartists | 22:1a58a518435c | 43 | void handleTouchInterrupt(); |
embeddedartists | 26:a65fbb4bde5c | 44 | void handleNewData(touch_coordinate_t* coord, int num); |
embeddedartists | 28:8ae20cb0b943 | 45 | void changeTouchInterrupt(bool enable, touch_irq_trigger_t trigger); |
embeddedartists | 22:1a58a518435c | 46 | TouchPanel::TouchError read(touch_coordinate_t* coord, int num); |
embeddedartists | 22:1a58a518435c | 47 | void run(); |
embeddedartists | 22:1a58a518435c | 48 | FunctionPointer* setListener(FunctionPointer* listener); |
embeddedartists | 22:1a58a518435c | 49 | private: |
embeddedartists | 26:a65fbb4bde5c | 50 | Mail<touch_mail_t, NUM_MAILS> _mailbox; |
embeddedartists | 22:1a58a518435c | 51 | Mutex _mutex; |
embeddedartists | 22:1a58a518435c | 52 | touch_coordinate_t* _latest; |
embeddedartists | 22:1a58a518435c | 53 | InterruptIn _touchIRQ; |
embeddedartists | 22:1a58a518435c | 54 | bios_header_t* _bios; |
embeddedartists | 22:1a58a518435c | 55 | void* _biosData; |
embeddedartists | 22:1a58a518435c | 56 | int _points; |
embeddedartists | 22:1a58a518435c | 57 | FunctionPointer* _listener; |
embeddedartists | 26:a65fbb4bde5c | 58 | uint32_t _lostData; |
embeddedartists | 26:a65fbb4bde5c | 59 | uint32_t _dbgAdded; |
embeddedartists | 26:a65fbb4bde5c | 60 | uint32_t _dbgRemoved; |
embeddedartists | 22:1a58a518435c | 61 | }; |
embeddedartists | 22:1a58a518435c | 62 | |
embeddedartists | 22:1a58a518435c | 63 | /****************************************************************************** |
embeddedartists | 22:1a58a518435c | 64 | * Local variables |
embeddedartists | 22:1a58a518435c | 65 | *****************************************************************************/ |
embeddedartists | 22:1a58a518435c | 66 | |
embeddedartists | 22:1a58a518435c | 67 | /****************************************************************************** |
embeddedartists | 22:1a58a518435c | 68 | * Private Functions |
embeddedartists | 22:1a58a518435c | 69 | *****************************************************************************/ |
embeddedartists | 22:1a58a518435c | 70 | |
embeddedartists | 22:1a58a518435c | 71 | BiosTouch::BiosTouch() : |
embeddedartists | 22:1a58a518435c | 72 | _initialized(false), |
embeddedartists | 22:1a58a518435c | 73 | _haveInfo(false), |
embeddedartists | 22:1a58a518435c | 74 | _poweredOn(false), |
embeddedartists | 22:1a58a518435c | 75 | //_touchIRQ(P2_25), |
embeddedartists | 22:1a58a518435c | 76 | _bios(NULL), |
embeddedartists | 22:1a58a518435c | 77 | _biosData(NULL), |
embeddedartists | 22:1a58a518435c | 78 | _handlerThread(NULL), |
embeddedartists | 22:1a58a518435c | 79 | _handler(NULL), |
embeddedartists | 22:1a58a518435c | 80 | _supportsTouch(false) |
embeddedartists | 22:1a58a518435c | 81 | { |
embeddedartists | 22:1a58a518435c | 82 | } |
embeddedartists | 22:1a58a518435c | 83 | |
embeddedartists | 22:1a58a518435c | 84 | BiosTouch::~BiosTouch() |
embeddedartists | 22:1a58a518435c | 85 | { |
embeddedartists | 22:1a58a518435c | 86 | // _bios and _biosData are deallocated by BiosLoader |
embeddedartists | 22:1a58a518435c | 87 | |
embeddedartists | 22:1a58a518435c | 88 | if (_handlerThread != NULL) { |
embeddedartists | 22:1a58a518435c | 89 | delete _handlerThread; |
embeddedartists | 22:1a58a518435c | 90 | _handlerThread = NULL; |
embeddedartists | 22:1a58a518435c | 91 | } |
embeddedartists | 22:1a58a518435c | 92 | if (_handler != NULL) { |
embeddedartists | 22:1a58a518435c | 93 | delete _handler; |
embeddedartists | 22:1a58a518435c | 94 | _handler = NULL; |
embeddedartists | 22:1a58a518435c | 95 | } |
embeddedartists | 22:1a58a518435c | 96 | } |
embeddedartists | 22:1a58a518435c | 97 | |
embeddedartists | 22:1a58a518435c | 98 | // Function called from the BIOS |
embeddedartists | 28:8ae20cb0b943 | 99 | static void touchIrqEnabler(uint32_t arg, bool enable, touch_irq_trigger_t trigger) |
embeddedartists | 22:1a58a518435c | 100 | { |
embeddedartists | 28:8ae20cb0b943 | 101 | ((TouchHandler*)arg)->changeTouchInterrupt(enable, trigger); |
embeddedartists | 26:a65fbb4bde5c | 102 | } |
embeddedartists | 26:a65fbb4bde5c | 103 | |
embeddedartists | 26:a65fbb4bde5c | 104 | // Function called from the BIOS |
embeddedartists | 26:a65fbb4bde5c | 105 | static void touchNewData(uint32_t arg, touch_coordinate_t* coords, int num) |
embeddedartists | 26:a65fbb4bde5c | 106 | { |
embeddedartists | 26:a65fbb4bde5c | 107 | ((TouchHandler*)arg)->handleNewData(coords, num); |
embeddedartists | 22:1a58a518435c | 108 | } |
embeddedartists | 22:1a58a518435c | 109 | |
embeddedartists | 22:1a58a518435c | 110 | static void touchTask(void const* args) |
embeddedartists | 22:1a58a518435c | 111 | { |
embeddedartists | 22:1a58a518435c | 112 | ((TouchHandler*)args)->run(); |
embeddedartists | 22:1a58a518435c | 113 | } |
embeddedartists | 22:1a58a518435c | 114 | |
embeddedartists | 22:1a58a518435c | 115 | |
embeddedartists | 22:1a58a518435c | 116 | void TouchHandler::run() |
embeddedartists | 22:1a58a518435c | 117 | { |
embeddedartists | 22:1a58a518435c | 118 | RtosLog* log = DMBoard::instance().logger(); |
embeddedartists | 26:a65fbb4bde5c | 119 | |
embeddedartists | 22:1a58a518435c | 120 | _latest = (touch_coordinate_t*)malloc(_points*sizeof(touch_coordinate_t)); |
embeddedartists | 22:1a58a518435c | 121 | if (_latest == NULL) { |
embeddedartists | 22:1a58a518435c | 122 | log->printf("Failed to allocate memory for touch events\n"); |
embeddedartists | 22:1a58a518435c | 123 | mbed_die(); |
embeddedartists | 22:1a58a518435c | 124 | } |
embeddedartists | 22:1a58a518435c | 125 | memset(_latest, 0, _points*sizeof(touch_coordinate_t)); |
embeddedartists | 22:1a58a518435c | 126 | while(true) { |
embeddedartists | 26:a65fbb4bde5c | 127 | SET_MEAS_PIN_1(); |
embeddedartists | 26:a65fbb4bde5c | 128 | osEvent evt = _mailbox.get(osWaitForever); |
embeddedartists | 26:a65fbb4bde5c | 129 | CLR_MEAS_PIN_1(); |
embeddedartists | 26:a65fbb4bde5c | 130 | if (evt.status == osEventMail) { |
embeddedartists | 26:a65fbb4bde5c | 131 | touch_mail_t* mail = (touch_mail_t*)evt.value.p; |
embeddedartists | 26:a65fbb4bde5c | 132 | memcpy(_latest, mail->touch, mail->num * sizeof(touch_coordinate_t)); |
embeddedartists | 26:a65fbb4bde5c | 133 | _mailbox.free(mail); |
embeddedartists | 26:a65fbb4bde5c | 134 | _dbgRemoved++; |
embeddedartists | 26:a65fbb4bde5c | 135 | if (_points == 1) { |
embeddedartists | 26:a65fbb4bde5c | 136 | log->printf("{%3d,%3d,%d} at %u/%u, with %u lost\n", |
embeddedartists | 26:a65fbb4bde5c | 137 | _latest[0].x, |
embeddedartists | 26:a65fbb4bde5c | 138 | _latest[0].y, |
embeddedartists | 26:a65fbb4bde5c | 139 | _latest[0].z, |
embeddedartists | 26:a65fbb4bde5c | 140 | _dbgRemoved, _dbgAdded, |
embeddedartists | 26:a65fbb4bde5c | 141 | _lostData); |
embeddedartists | 24:9a677afc86f1 | 142 | } else { |
embeddedartists | 26:a65fbb4bde5c | 143 | log->printf("{%d,%d,%d,%d,%d} at %u/%u, with %u lost\n", |
embeddedartists | 26:a65fbb4bde5c | 144 | _latest[0].z, |
embeddedartists | 26:a65fbb4bde5c | 145 | _latest[1].z, |
embeddedartists | 26:a65fbb4bde5c | 146 | _latest[2].z, |
embeddedartists | 26:a65fbb4bde5c | 147 | _latest[3].z, |
embeddedartists | 26:a65fbb4bde5c | 148 | _latest[4].z, |
embeddedartists | 26:a65fbb4bde5c | 149 | _dbgRemoved, _dbgAdded, |
embeddedartists | 26:a65fbb4bde5c | 150 | _lostData); |
embeddedartists | 24:9a677afc86f1 | 151 | } |
embeddedartists | 26:a65fbb4bde5c | 152 | } else { |
embeddedartists | 26:a65fbb4bde5c | 153 | log->printf("got non-mail event: 0x%x\n", evt.status); |
embeddedartists | 26:a65fbb4bde5c | 154 | continue; |
embeddedartists | 26:a65fbb4bde5c | 155 | } |
embeddedartists | 26:a65fbb4bde5c | 156 | _mutex.lock(); |
embeddedartists | 26:a65fbb4bde5c | 157 | FunctionPointer* fp = _listener; |
embeddedartists | 26:a65fbb4bde5c | 158 | _mutex.unlock(); |
embeddedartists | 26:a65fbb4bde5c | 159 | |
embeddedartists | 26:a65fbb4bde5c | 160 | if (fp != NULL) { |
embeddedartists | 26:a65fbb4bde5c | 161 | fp->call(); |
embeddedartists | 26:a65fbb4bde5c | 162 | } |
embeddedartists | 22:1a58a518435c | 163 | } |
embeddedartists | 22:1a58a518435c | 164 | } |
embeddedartists | 22:1a58a518435c | 165 | |
embeddedartists | 22:1a58a518435c | 166 | TouchPanel::TouchError TouchHandler::read(touch_coordinate_t* coord, int num) |
embeddedartists | 22:1a58a518435c | 167 | { |
embeddedartists | 22:1a58a518435c | 168 | if (num > _points || num < 1) { |
embeddedartists | 22:1a58a518435c | 169 | return TouchPanel::TouchError_InvalidParam; |
embeddedartists | 22:1a58a518435c | 170 | } |
embeddedartists | 22:1a58a518435c | 171 | _mutex.lock(); |
embeddedartists | 22:1a58a518435c | 172 | memcpy(coord, _latest, num*sizeof(touch_coordinate_t)); |
embeddedartists | 22:1a58a518435c | 173 | _mutex.unlock(); |
embeddedartists | 22:1a58a518435c | 174 | |
embeddedartists | 22:1a58a518435c | 175 | return TouchPanel::TouchError_Ok; |
embeddedartists | 22:1a58a518435c | 176 | } |
embeddedartists | 22:1a58a518435c | 177 | |
embeddedartists | 22:1a58a518435c | 178 | void TouchHandler::handleTouchInterrupt() |
embeddedartists | 22:1a58a518435c | 179 | { |
embeddedartists | 22:1a58a518435c | 180 | SET_MEAS_PIN_2(); |
embeddedartists | 26:a65fbb4bde5c | 181 | _bios->touchIrqHandler(_biosData); |
embeddedartists | 26:a65fbb4bde5c | 182 | CLR_MEAS_PIN_2(); |
embeddedartists | 26:a65fbb4bde5c | 183 | } |
embeddedartists | 26:a65fbb4bde5c | 184 | |
embeddedartists | 26:a65fbb4bde5c | 185 | void TouchHandler::handleNewData(touch_coordinate_t* coord, int num) |
embeddedartists | 26:a65fbb4bde5c | 186 | { |
embeddedartists | 26:a65fbb4bde5c | 187 | SET_MEAS_PIN_4(); |
embeddedartists | 26:a65fbb4bde5c | 188 | touch_mail_t* mail = _mailbox.alloc(0); |
embeddedartists | 26:a65fbb4bde5c | 189 | if (mail == NULL) { |
embeddedartists | 26:a65fbb4bde5c | 190 | //DMBoard::instance().logger()->printf("Lost touch event\n"); |
embeddedartists | 26:a65fbb4bde5c | 191 | _lostData++; |
embeddedartists | 26:a65fbb4bde5c | 192 | } else { |
embeddedartists | 26:a65fbb4bde5c | 193 | _dbgAdded++; |
embeddedartists | 26:a65fbb4bde5c | 194 | mail->num = (num < NUM_COORDS) ? num : NUM_COORDS; |
embeddedartists | 26:a65fbb4bde5c | 195 | memcpy(&mail->touch, coord, mail->num*sizeof(touch_coordinate_t)); |
embeddedartists | 26:a65fbb4bde5c | 196 | _mailbox.put(mail); |
embeddedartists | 22:1a58a518435c | 197 | } |
embeddedartists | 26:a65fbb4bde5c | 198 | CLR_MEAS_PIN_4(); |
embeddedartists | 22:1a58a518435c | 199 | } |
embeddedartists | 22:1a58a518435c | 200 | |
embeddedartists | 28:8ae20cb0b943 | 201 | void TouchHandler::changeTouchInterrupt(bool enable, touch_irq_trigger_t trigger) |
embeddedartists | 22:1a58a518435c | 202 | { |
embeddedartists | 28:8ae20cb0b943 | 203 | switch (trigger) { |
embeddedartists | 28:8ae20cb0b943 | 204 | case TOUCH_IRQ_RISING_EDGE: |
embeddedartists | 28:8ae20cb0b943 | 205 | if (enable) { |
embeddedartists | 28:8ae20cb0b943 | 206 | _touchIRQ.rise(this, &TouchHandler::handleTouchInterrupt); |
embeddedartists | 28:8ae20cb0b943 | 207 | } else { |
embeddedartists | 28:8ae20cb0b943 | 208 | _touchIRQ.rise(NULL); |
embeddedartists | 28:8ae20cb0b943 | 209 | } |
embeddedartists | 28:8ae20cb0b943 | 210 | break; |
embeddedartists | 28:8ae20cb0b943 | 211 | |
embeddedartists | 28:8ae20cb0b943 | 212 | case TOUCH_IRQ_FALLING_EDGE: |
embeddedartists | 28:8ae20cb0b943 | 213 | if (enable) { |
embeddedartists | 28:8ae20cb0b943 | 214 | _touchIRQ.fall(this, &TouchHandler::handleTouchInterrupt); |
embeddedartists | 28:8ae20cb0b943 | 215 | } else { |
embeddedartists | 28:8ae20cb0b943 | 216 | _touchIRQ.fall(NULL); |
embeddedartists | 28:8ae20cb0b943 | 217 | } |
embeddedartists | 28:8ae20cb0b943 | 218 | break; |
embeddedartists | 28:8ae20cb0b943 | 219 | |
embeddedartists | 28:8ae20cb0b943 | 220 | case TOUCH_IRQ_HIGH_LEVEL: |
embeddedartists | 28:8ae20cb0b943 | 221 | case TOUCH_IRQ_LOW_LEVEL: |
embeddedartists | 28:8ae20cb0b943 | 222 | default: |
embeddedartists | 28:8ae20cb0b943 | 223 | DMBoard::instance().logger()->printf("BIOS requests unknown trigger type %d\n", trigger); |
embeddedartists | 28:8ae20cb0b943 | 224 | break; |
embeddedartists | 22:1a58a518435c | 225 | } |
embeddedartists | 22:1a58a518435c | 226 | } |
embeddedartists | 22:1a58a518435c | 227 | |
embeddedartists | 22:1a58a518435c | 228 | FunctionPointer* TouchHandler::setListener(FunctionPointer* listener) |
embeddedartists | 22:1a58a518435c | 229 | { |
embeddedartists | 22:1a58a518435c | 230 | _mutex.lock(); |
embeddedartists | 22:1a58a518435c | 231 | FunctionPointer* old = _listener; |
embeddedartists | 22:1a58a518435c | 232 | _listener = listener; |
embeddedartists | 22:1a58a518435c | 233 | _mutex.unlock(); |
embeddedartists | 22:1a58a518435c | 234 | return old; |
embeddedartists | 22:1a58a518435c | 235 | } |
embeddedartists | 22:1a58a518435c | 236 | |
embeddedartists | 22:1a58a518435c | 237 | |
embeddedartists | 22:1a58a518435c | 238 | /****************************************************************************** |
embeddedartists | 22:1a58a518435c | 239 | * Public Functions |
embeddedartists | 22:1a58a518435c | 240 | *****************************************************************************/ |
embeddedartists | 22:1a58a518435c | 241 | |
embeddedartists | 22:1a58a518435c | 242 | BiosTouch::TouchError BiosTouch::init() |
embeddedartists | 22:1a58a518435c | 243 | { |
embeddedartists | 22:1a58a518435c | 244 | TouchError result = TouchError_Ok; |
embeddedartists | 22:1a58a518435c | 245 | if (!_initialized) { |
embeddedartists | 22:1a58a518435c | 246 | do { |
embeddedartists | 22:1a58a518435c | 247 | if (BiosLoader::instance().params(&_bios, &_biosData) != DMBoard::Ok) { |
embeddedartists | 22:1a58a518435c | 248 | result = TouchError_ConfigError; |
embeddedartists | 22:1a58a518435c | 249 | break; |
embeddedartists | 22:1a58a518435c | 250 | } |
embeddedartists | 22:1a58a518435c | 251 | |
embeddedartists | 28:8ae20cb0b943 | 252 | result = (TouchError)_bios->touchInformation(_biosData, &_supportsTouch, &_supportsTouchCalibration, &_touchNumFingers); |
embeddedartists | 22:1a58a518435c | 253 | if (result != TouchError_Ok) { |
embeddedartists | 22:1a58a518435c | 254 | break; |
embeddedartists | 22:1a58a518435c | 255 | } |
embeddedartists | 22:1a58a518435c | 256 | _haveInfo = true; |
embeddedartists | 22:1a58a518435c | 257 | |
embeddedartists | 22:1a58a518435c | 258 | // is it supported at all? |
embeddedartists | 22:1a58a518435c | 259 | if (!_supportsTouch) { |
embeddedartists | 22:1a58a518435c | 260 | result = TouchError_TouchNotSupported; |
embeddedartists | 22:1a58a518435c | 261 | break; |
embeddedartists | 22:1a58a518435c | 262 | } |
embeddedartists | 22:1a58a518435c | 263 | |
embeddedartists | 28:8ae20cb0b943 | 264 | _handler = new TouchHandler(_bios, _biosData, _touchNumFingers); |
embeddedartists | 22:1a58a518435c | 265 | |
embeddedartists | 26:a65fbb4bde5c | 266 | result = (TouchError)_bios->touchInit(_biosData, touchIrqEnabler, (uint32_t)_handler, touchNewData, (uint32_t)_handler); |
embeddedartists | 22:1a58a518435c | 267 | if (result != TouchError_Ok) { |
embeddedartists | 22:1a58a518435c | 268 | break; |
embeddedartists | 22:1a58a518435c | 269 | } |
embeddedartists | 22:1a58a518435c | 270 | |
embeddedartists | 22:1a58a518435c | 271 | result = (TouchError)_bios->touchPowerUp(_biosData); |
embeddedartists | 22:1a58a518435c | 272 | if (result != TouchError_Ok) { |
embeddedartists | 22:1a58a518435c | 273 | break; |
embeddedartists | 22:1a58a518435c | 274 | } |
embeddedartists | 22:1a58a518435c | 275 | |
embeddedartists | 22:1a58a518435c | 276 | _handlerThread = new Thread(touchTask, _handler); |
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 | *maxPoints = _touchNumFingers; |
embeddedartists | 22:1a58a518435c | 320 | *calibrated = _supportsTouchCalibration; |
embeddedartists | 22:1a58a518435c | 321 | } |
embeddedartists | 22:1a58a518435c | 322 | return err; |
embeddedartists | 22:1a58a518435c | 323 | } |
embeddedartists | 22:1a58a518435c | 324 | |
embeddedartists | 22:1a58a518435c | 325 | bool BiosTouch::isTouchSupported() |
embeddedartists | 22:1a58a518435c | 326 | { |
embeddedartists | 22:1a58a518435c | 327 | #if defined(DM_BOARD_USE_TOUCH) |
embeddedartists | 22:1a58a518435c | 328 | if (_haveInfo) { |
embeddedartists | 22:1a58a518435c | 329 | return _supportsTouch; |
embeddedartists | 22:1a58a518435c | 330 | } |
embeddedartists | 22:1a58a518435c | 331 | #endif |
embeddedartists | 22:1a58a518435c | 332 | return false; |
embeddedartists | 22:1a58a518435c | 333 | } |
embeddedartists | 22:1a58a518435c | 334 | |
embeddedartists | 22:1a58a518435c | 335 | BiosTouch::TouchError BiosTouch::calibrateStart() |
embeddedartists | 22:1a58a518435c | 336 | { |
embeddedartists | 22:1a58a518435c | 337 | TouchError err = TouchError_Ok; |
embeddedartists | 22:1a58a518435c | 338 | if (!_initialized) { |
embeddedartists | 22:1a58a518435c | 339 | err = TouchError_NoInit; |
embeddedartists | 22:1a58a518435c | 340 | } else { |
embeddedartists | 22:1a58a518435c | 341 | err = (TouchError)_bios->touchCalibrateStart(_biosData); |
embeddedartists | 22:1a58a518435c | 342 | } |
embeddedartists | 22:1a58a518435c | 343 | return err; |
embeddedartists | 22:1a58a518435c | 344 | } |
embeddedartists | 22:1a58a518435c | 345 | |
embeddedartists | 22:1a58a518435c | 346 | BiosTouch::TouchError BiosTouch::getNextCalibratePoint(uint16_t* x, uint16_t* y, bool* last) |
embeddedartists | 22:1a58a518435c | 347 | { |
embeddedartists | 22:1a58a518435c | 348 | TouchError err = TouchError_Ok; |
embeddedartists | 22:1a58a518435c | 349 | if (!_initialized) { |
embeddedartists | 22:1a58a518435c | 350 | err = TouchError_NoInit; |
embeddedartists | 22:1a58a518435c | 351 | } else { |
embeddedartists | 22:1a58a518435c | 352 | err = (TouchError)_bios->touchGetNextCalibPoint(_biosData, x, y, last); |
embeddedartists | 22:1a58a518435c | 353 | } |
embeddedartists | 22:1a58a518435c | 354 | return err; |
embeddedartists | 22:1a58a518435c | 355 | } |
embeddedartists | 22:1a58a518435c | 356 | |
embeddedartists | 22:1a58a518435c | 357 | BiosTouch::TouchError BiosTouch::waitForCalibratePoint(bool* morePoints, uint32_t timeout) |
embeddedartists | 22:1a58a518435c | 358 | { |
embeddedartists | 22:1a58a518435c | 359 | TouchError err = TouchError_Ok; |
embeddedartists | 22:1a58a518435c | 360 | if (!_initialized) { |
embeddedartists | 22:1a58a518435c | 361 | err = TouchError_NoInit; |
embeddedartists | 22:1a58a518435c | 362 | } else { |
embeddedartists | 22:1a58a518435c | 363 | err = (TouchError)_bios->touchWaitForCalibratePoint(_biosData, morePoints, timeout); |
embeddedartists | 22:1a58a518435c | 364 | } |
embeddedartists | 22:1a58a518435c | 365 | return err; |
embeddedartists | 22:1a58a518435c | 366 | } |
embeddedartists | 22:1a58a518435c | 367 | |
embeddedartists | 22:1a58a518435c | 368 | FunctionPointer* BiosTouch::setListener(FunctionPointer* listener) |
embeddedartists | 22:1a58a518435c | 369 | { |
embeddedartists | 22:1a58a518435c | 370 | if (_initialized) { |
embeddedartists | 22:1a58a518435c | 371 | return _handler->setListener(listener); |
embeddedartists | 22:1a58a518435c | 372 | } |
embeddedartists | 22:1a58a518435c | 373 | return NULL; |
embeddedartists | 22:1a58a518435c | 374 | } |