Lucas Moraes / MAX7219

Library to use MAX7219

MAX7219.h@0:cba98a2b97d2, 2016-02-28 (annotated)

Committer:
lucasmoraeseng
Date:
Sun Feb 28 21:54:51 2016 +0000
Revision:
0:cba98a2b97d2
Library to use MAX7219 with Leds

Who changed what in which revision?

UserRevisionLine numberNew contents of line
lucasmoraeseng 0:cba98a2b97d2 1 /* Copyright (c) 2010-2011 mbed.org, MIT License
lucasmoraeseng 0:cba98a2b97d2 2 *
lucasmoraeseng 0:cba98a2b97d2 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
lucasmoraeseng 0:cba98a2b97d2 4 * and associated documentation files (the "Software"), to deal in the Software without
lucasmoraeseng 0:cba98a2b97d2 5 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
lucasmoraeseng 0:cba98a2b97d2 6 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
lucasmoraeseng 0:cba98a2b97d2 7 * Software is furnished to do so, subject to the following conditions:
lucasmoraeseng 0:cba98a2b97d2 8 *
lucasmoraeseng 0:cba98a2b97d2 9 * The above copyright notice and this permission notice shall be included in all copies or
lucasmoraeseng 0:cba98a2b97d2 10 * substantial portions of the Software.
lucasmoraeseng 0:cba98a2b97d2 11 *
lucasmoraeseng 0:cba98a2b97d2 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
lucasmoraeseng 0:cba98a2b97d2 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
lucasmoraeseng 0:cba98a2b97d2 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
lucasmoraeseng 0:cba98a2b97d2 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
lucasmoraeseng 0:cba98a2b97d2 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
lucasmoraeseng 0:cba98a2b97d2 17 */
lucasmoraeseng 0:cba98a2b97d2 18
lucasmoraeseng 0:cba98a2b97d2 19 #ifndef MAX7219_H
lucasmoraeseng 0:cba98a2b97d2 20 #define MAX7219_H
lucasmoraeseng 0:cba98a2b97d2 21
lucasmoraeseng 0:cba98a2b97d2 22 #include "mbed.h"
lucasmoraeseng 0:cba98a2b97d2 23
lucasmoraeseng 0:cba98a2b97d2 24 /**
lucasmoraeseng 0:cba98a2b97d2 25 * MMA8451Q accelerometer example
lucasmoraeseng 0:cba98a2b97d2 26 *
lucasmoraeseng 0:cba98a2b97d2 27 * @code
lucasmoraeseng 0:cba98a2b97d2 28 * #include "mbed.h"
lucasmoraeseng 0:cba98a2b97d2 29 * #include "MMA8451Q.h"
lucasmoraeseng 0:cba98a2b97d2 30 *
lucasmoraeseng 0:cba98a2b97d2 31 * #define MMA8451_I2C_ADDRESS (0x1d<<1)
lucasmoraeseng 0:cba98a2b97d2 32 *
lucasmoraeseng 0:cba98a2b97d2 33 * int main(void) {
lucasmoraeseng 0:cba98a2b97d2 34 *
lucasmoraeseng 0:cba98a2b97d2 35 * MMA8451Q acc(P_E25, P_E24, MMA8451_I2C_ADDRESS);
lucasmoraeseng 0:cba98a2b97d2 36 * PwmOut rled(LED_RED);
lucasmoraeseng 0:cba98a2b97d2 37 * PwmOut gled(LED_GREEN);
lucasmoraeseng 0:cba98a2b97d2 38 * PwmOut bled(LED_BLUE);
lucasmoraeseng 0:cba98a2b97d2 39 *
lucasmoraeseng 0:cba98a2b97d2 40 * while (true) {
lucasmoraeseng 0:cba98a2b97d2 41 * rled = 1.0 - abs(acc.getAccX());
lucasmoraeseng 0:cba98a2b97d2 42 * gled = 1.0 - abs(acc.getAccY());
lucasmoraeseng 0:cba98a2b97d2 43 * bled = 1.0 - abs(acc.getAccZ());
lucasmoraeseng 0:cba98a2b97d2 44 * wait(0.1);
lucasmoraeseng 0:cba98a2b97d2 45 * }
lucasmoraeseng 0:cba98a2b97d2 46 * }
lucasmoraeseng 0:cba98a2b97d2 47 * @endcode
lucasmoraeseng 0:cba98a2b97d2 48 */
lucasmoraeseng 0:cba98a2b97d2 49 class MAX7219
lucasmoraeseng 0:cba98a2b97d2 50 {
lucasmoraeseng 0:cba98a2b97d2 51 public:
lucasmoraeseng 0:cba98a2b97d2 52 /**
lucasmoraeseng 0:cba98a2b97d2 53 * MMA8451Q constructor
lucasmoraeseng 0:cba98a2b97d2 54 *
lucasmoraeseng 0:cba98a2b97d2 55 * @param sda SDA pin
lucasmoraeseng 0:cba98a2b97d2 56 * @param sdl SCL pin
lucasmoraeseng 0:cba98a2b97d2 57 * @param addr addr of the I2C peripheral
lucasmoraeseng 0:cba98a2b97d2 58 */
lucasmoraeseng 0:cba98a2b97d2 59 MAX7219();
lucasmoraeseng 0:cba98a2b97d2 60
lucasmoraeseng 0:cba98a2b97d2 61 /**
lucasmoraeseng 0:cba98a2b97d2 62 * MMA8451Q destructor
lucasmoraeseng 0:cba98a2b97d2 63 */
lucasmoraeseng 0:cba98a2b97d2 64 ~MAX7219();
lucasmoraeseng 0:cba98a2b97d2 65
lucasmoraeseng 0:cba98a2b97d2 66 void maxSingle( uint8_t reg, uint8_t col);
lucasmoraeseng 0:cba98a2b97d2 67
lucasmoraeseng 0:cba98a2b97d2 68 void Init(uint8_t ND,uint8_t DM,uint8_t IN);
lucasmoraeseng 0:cba98a2b97d2 69
lucasmoraeseng 0:cba98a2b97d2 70 void maxAll(uint8_t reg, uint8_t col);
lucasmoraeseng 0:cba98a2b97d2 71
lucasmoraeseng 0:cba98a2b97d2 72 void maxOne(uint8_t maxNr, uint8_t reg, uint8_t col);
lucasmoraeseng 0:cba98a2b97d2 73
lucasmoraeseng 0:cba98a2b97d2 74 void Power(uint8_t Mode);
lucasmoraeseng 0:cba98a2b97d2 75
lucasmoraeseng 0:cba98a2b97d2 76 private:
lucasmoraeseng 0:cba98a2b97d2 77 void putByte(uint8_t data);
lucasmoraeseng 0:cba98a2b97d2 78
lucasmoraeseng 0:cba98a2b97d2 79 };
lucasmoraeseng 0:cba98a2b97d2 80
lucasmoraeseng 0:cba98a2b97d2 81 #endif