Graphical demo for the LPC4088 Experiment Base Board with one of the Display Expansion Kits. This demo shows a number of dots projected on a rotating sphere.

Dependencies:   EALib mbed

Committer:
embeddedartists
Date:
Fri Oct 03 13:15:25 2014 +0000
Revision:
0:79b286950b60
First version

Who changed what in which revision?

UserRevisionLine numberNew contents of line
embeddedartists 0:79b286950b60 1 /*
embeddedartists 0:79b286950b60 2 * Copyright 2013 Embedded Artists AB
embeddedartists 0:79b286950b60 3 *
embeddedartists 0:79b286950b60 4 * Licensed under the Apache License, Version 2.0 (the "License");
embeddedartists 0:79b286950b60 5 * you may not use this file except in compliance with the License.
embeddedartists 0:79b286950b60 6 * You may obtain a copy of the License at
embeddedartists 0:79b286950b60 7 *
embeddedartists 0:79b286950b60 8 * http://www.apache.org/licenses/LICENSE-2.0
embeddedartists 0:79b286950b60 9 *
embeddedartists 0:79b286950b60 10 * Unless required by applicable law or agreed to in writing, software
embeddedartists 0:79b286950b60 11 * distributed under the License is distributed on an "AS IS" BASIS,
embeddedartists 0:79b286950b60 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
embeddedartists 0:79b286950b60 13 * See the License for the specific language governing permissions and
embeddedartists 0:79b286950b60 14 * limitations under the License.
embeddedartists 0:79b286950b60 15 */
embeddedartists 0:79b286950b60 16
embeddedartists 0:79b286950b60 17 #ifndef AR1021I2C_H
embeddedartists 0:79b286950b60 18 #define AR1021I2C_H
embeddedartists 0:79b286950b60 19
embeddedartists 0:79b286950b60 20 #include "TouchPanel.h"
embeddedartists 0:79b286950b60 21
embeddedartists 0:79b286950b60 22 /**
embeddedartists 0:79b286950b60 23 * Microchip Touch Screen Controller (AR1021).
embeddedartists 0:79b286950b60 24 *
embeddedartists 0:79b286950b60 25 * Please note that this touch panel has an on-board storage for
embeddedartists 0:79b286950b60 26 * calibration data. Once a successful calibration has been performed
embeddedartists 0:79b286950b60 27 * it is not needed to do additional calibrations since the stored
embeddedartists 0:79b286950b60 28 * calibration data will be used.
embeddedartists 0:79b286950b60 29 */
embeddedartists 0:79b286950b60 30 class AR1021I2C : public TouchPanel {
embeddedartists 0:79b286950b60 31 public:
embeddedartists 0:79b286950b60 32
embeddedartists 0:79b286950b60 33
embeddedartists 0:79b286950b60 34 /**
embeddedartists 0:79b286950b60 35 * Constructor
embeddedartists 0:79b286950b60 36 *
embeddedartists 0:79b286950b60 37 * @param mosi I2C SDA pin
embeddedartists 0:79b286950b60 38 * @param miso I2C SCL pin
embeddedartists 0:79b286950b60 39 * @param siq interrupt pin
embeddedartists 0:79b286950b60 40 */
embeddedartists 0:79b286950b60 41 AR1021I2C(PinName sda, PinName scl, PinName siq);
embeddedartists 0:79b286950b60 42
embeddedartists 0:79b286950b60 43 bool info(int* verHigh, int* verLow, int* resBits, int* type);
embeddedartists 0:79b286950b60 44
embeddedartists 0:79b286950b60 45 virtual bool init(uint16_t width, uint16_t height);
embeddedartists 0:79b286950b60 46 virtual bool read(touchCoordinate_t &coord);
embeddedartists 0:79b286950b60 47 virtual bool calibrateStart();
embeddedartists 0:79b286950b60 48 virtual bool getNextCalibratePoint(uint16_t* x, uint16_t* y);
embeddedartists 0:79b286950b60 49 virtual bool waitForCalibratePoint(bool* morePoints, uint32_t timeout);
embeddedartists 0:79b286950b60 50
embeddedartists 0:79b286950b60 51 private:
embeddedartists 0:79b286950b60 52
embeddedartists 0:79b286950b60 53
embeddedartists 0:79b286950b60 54 I2C _i2c;
embeddedartists 0:79b286950b60 55 DigitalIn _siq;
embeddedartists 0:79b286950b60 56 InterruptIn _siqIrq;
embeddedartists 0:79b286950b60 57 bool _initialized;
embeddedartists 0:79b286950b60 58
embeddedartists 0:79b286950b60 59
embeddedartists 0:79b286950b60 60 int32_t _x;
embeddedartists 0:79b286950b60 61 int32_t _y;
embeddedartists 0:79b286950b60 62 int32_t _pen;
embeddedartists 0:79b286950b60 63
embeddedartists 0:79b286950b60 64 uint16_t _width;
embeddedartists 0:79b286950b60 65 uint16_t _height;
embeddedartists 0:79b286950b60 66 uint8_t _inset;
embeddedartists 0:79b286950b60 67
embeddedartists 0:79b286950b60 68 int _calibPoint;
embeddedartists 0:79b286950b60 69
embeddedartists 0:79b286950b60 70
embeddedartists 0:79b286950b60 71 int cmd(char cmd, char* data, int len, char* respBuf, int* respLen, bool setCsOff=true);
embeddedartists 0:79b286950b60 72 int waitForCalibResponse(uint32_t timeout);
embeddedartists 0:79b286950b60 73 void readTouchIrq();
embeddedartists 0:79b286950b60 74 };
embeddedartists 0:79b286950b60 75
embeddedartists 0:79b286950b60 76 #endif
embeddedartists 0:79b286950b60 77