![](/media/cache/img/default_profile.jpg.50x50_q85.jpg)
Graphical demo for the LPC4088 Experiment Base Board with one of the Display Expansion Kits. This program displays a Mandelbrot calculation in a circular zoomed-in sequence.
AR1021I2C.h@0:e24e3d741c52, 2014-10-03 (annotated)
- Committer:
- embeddedartists
- Date:
- Fri Oct 03 13:21:52 2014 +0000
- Revision:
- 0:e24e3d741c52
First version
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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embeddedartists | 0:e24e3d741c52 | 1 | /* |
embeddedartists | 0:e24e3d741c52 | 2 | * Copyright 2013 Embedded Artists AB |
embeddedartists | 0:e24e3d741c52 | 3 | * |
embeddedartists | 0:e24e3d741c52 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
embeddedartists | 0:e24e3d741c52 | 5 | * you may not use this file except in compliance with the License. |
embeddedartists | 0:e24e3d741c52 | 6 | * You may obtain a copy of the License at |
embeddedartists | 0:e24e3d741c52 | 7 | * |
embeddedartists | 0:e24e3d741c52 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
embeddedartists | 0:e24e3d741c52 | 9 | * |
embeddedartists | 0:e24e3d741c52 | 10 | * Unless required by applicable law or agreed to in writing, software |
embeddedartists | 0:e24e3d741c52 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
embeddedartists | 0:e24e3d741c52 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
embeddedartists | 0:e24e3d741c52 | 13 | * See the License for the specific language governing permissions and |
embeddedartists | 0:e24e3d741c52 | 14 | * limitations under the License. |
embeddedartists | 0:e24e3d741c52 | 15 | */ |
embeddedartists | 0:e24e3d741c52 | 16 | |
embeddedartists | 0:e24e3d741c52 | 17 | #ifndef AR1021I2C_H |
embeddedartists | 0:e24e3d741c52 | 18 | #define AR1021I2C_H |
embeddedartists | 0:e24e3d741c52 | 19 | |
embeddedartists | 0:e24e3d741c52 | 20 | #include "TouchPanel.h" |
embeddedartists | 0:e24e3d741c52 | 21 | |
embeddedartists | 0:e24e3d741c52 | 22 | /** |
embeddedartists | 0:e24e3d741c52 | 23 | * Microchip Touch Screen Controller (AR1021). |
embeddedartists | 0:e24e3d741c52 | 24 | * |
embeddedartists | 0:e24e3d741c52 | 25 | * Please note that this touch panel has an on-board storage for |
embeddedartists | 0:e24e3d741c52 | 26 | * calibration data. Once a successful calibration has been performed |
embeddedartists | 0:e24e3d741c52 | 27 | * it is not needed to do additional calibrations since the stored |
embeddedartists | 0:e24e3d741c52 | 28 | * calibration data will be used. |
embeddedartists | 0:e24e3d741c52 | 29 | */ |
embeddedartists | 0:e24e3d741c52 | 30 | class AR1021I2C : public TouchPanel { |
embeddedartists | 0:e24e3d741c52 | 31 | public: |
embeddedartists | 0:e24e3d741c52 | 32 | |
embeddedartists | 0:e24e3d741c52 | 33 | |
embeddedartists | 0:e24e3d741c52 | 34 | /** |
embeddedartists | 0:e24e3d741c52 | 35 | * Constructor |
embeddedartists | 0:e24e3d741c52 | 36 | * |
embeddedartists | 0:e24e3d741c52 | 37 | * @param mosi I2C SDA pin |
embeddedartists | 0:e24e3d741c52 | 38 | * @param miso I2C SCL pin |
embeddedartists | 0:e24e3d741c52 | 39 | * @param siq interrupt pin |
embeddedartists | 0:e24e3d741c52 | 40 | */ |
embeddedartists | 0:e24e3d741c52 | 41 | AR1021I2C(PinName sda, PinName scl, PinName siq); |
embeddedartists | 0:e24e3d741c52 | 42 | |
embeddedartists | 0:e24e3d741c52 | 43 | bool info(int* verHigh, int* verLow, int* resBits, int* type); |
embeddedartists | 0:e24e3d741c52 | 44 | |
embeddedartists | 0:e24e3d741c52 | 45 | virtual bool init(uint16_t width, uint16_t height); |
embeddedartists | 0:e24e3d741c52 | 46 | virtual bool read(touchCoordinate_t &coord); |
embeddedartists | 0:e24e3d741c52 | 47 | virtual bool calibrateStart(); |
embeddedartists | 0:e24e3d741c52 | 48 | virtual bool getNextCalibratePoint(uint16_t* x, uint16_t* y); |
embeddedartists | 0:e24e3d741c52 | 49 | virtual bool waitForCalibratePoint(bool* morePoints, uint32_t timeout); |
embeddedartists | 0:e24e3d741c52 | 50 | |
embeddedartists | 0:e24e3d741c52 | 51 | private: |
embeddedartists | 0:e24e3d741c52 | 52 | |
embeddedartists | 0:e24e3d741c52 | 53 | |
embeddedartists | 0:e24e3d741c52 | 54 | I2C _i2c; |
embeddedartists | 0:e24e3d741c52 | 55 | DigitalIn _siq; |
embeddedartists | 0:e24e3d741c52 | 56 | InterruptIn _siqIrq; |
embeddedartists | 0:e24e3d741c52 | 57 | bool _initialized; |
embeddedartists | 0:e24e3d741c52 | 58 | |
embeddedartists | 0:e24e3d741c52 | 59 | |
embeddedartists | 0:e24e3d741c52 | 60 | int32_t _x; |
embeddedartists | 0:e24e3d741c52 | 61 | int32_t _y; |
embeddedartists | 0:e24e3d741c52 | 62 | int32_t _pen; |
embeddedartists | 0:e24e3d741c52 | 63 | |
embeddedartists | 0:e24e3d741c52 | 64 | uint16_t _width; |
embeddedartists | 0:e24e3d741c52 | 65 | uint16_t _height; |
embeddedartists | 0:e24e3d741c52 | 66 | uint8_t _inset; |
embeddedartists | 0:e24e3d741c52 | 67 | |
embeddedartists | 0:e24e3d741c52 | 68 | int _calibPoint; |
embeddedartists | 0:e24e3d741c52 | 69 | |
embeddedartists | 0:e24e3d741c52 | 70 | |
embeddedartists | 0:e24e3d741c52 | 71 | int cmd(char cmd, char* data, int len, char* respBuf, int* respLen, bool setCsOff=true); |
embeddedartists | 0:e24e3d741c52 | 72 | int waitForCalibResponse(uint32_t timeout); |
embeddedartists | 0:e24e3d741c52 | 73 | void readTouchIrq(); |
embeddedartists | 0:e24e3d741c52 | 74 | }; |
embeddedartists | 0:e24e3d741c52 | 75 | |
embeddedartists | 0:e24e3d741c52 | 76 | #endif |
embeddedartists | 0:e24e3d741c52 | 77 |