carlos ruiz / Mbed 2 deprecated ACELEROMETRO

programa para ver la posición de la tarjeta por medio del acelerometro que trae incorporado

Dependencies:   TextLCD3libreriatexlcd mbed

Fork of MMA8451Q by Johan Kritzinger

MMA8451Q.h@6:dc999681de1a, 2013-12-07 (annotated)

Committer:
caaruizze
Date:
Sat Dec 07 13:07:58 2013 +0000
Revision:
6:dc999681de1a
Parent:
5:2d14600116fc 
Programa para visualizar la posici?n de la tarjeta KL25Z en un lcd 16x2 por medio del acelerometro que trae incorporado

Who changed what in which revision?

UserRevisionLine numberNew contents of line
samux 1:d2630136d51e 1 /* Copyright (c) 2010-2011 mbed.org, MIT License
samux 1:d2630136d51e 2 *
samux 1:d2630136d51e 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
samux 1:d2630136d51e 4 * and associated documentation files (the "Software"), to deal in the Software without
samux 1:d2630136d51e 5 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
samux 1:d2630136d51e 6 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
samux 1:d2630136d51e 7 * Software is furnished to do so, subject to the following conditions:
samux 1:d2630136d51e 8 *
samux 1:d2630136d51e 9 * The above copyright notice and this permission notice shall be included in all copies or
samux 1:d2630136d51e 10 * substantial portions of the Software.
samux 1:d2630136d51e 11 *
samux 1:d2630136d51e 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
samux 1:d2630136d51e 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
samux 1:d2630136d51e 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
samux 1:d2630136d51e 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
samux 1:d2630136d51e 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
samux 1:d2630136d51e 17 */
samux 1:d2630136d51e 18
emilmont 0:6149091f755d 19 #ifndef MMA8451Q_H
emilmont 0:6149091f755d 20 #define MMA8451Q_H
emilmont 0:6149091f755d 21
emilmont 0:6149091f755d 22 #include "mbed.h"
emilmont 0:6149091f755d 23
samux 1:d2630136d51e 24 /**
samux 1:d2630136d51e 25 * MMA8451Q accelerometer example
samux 2:a077541cbadc 26 *
samux 2:a077541cbadc 27 * @code
samux 1:d2630136d51e 28 * #include "mbed.h"
samux 1:d2630136d51e 29 * #include "MMA8451Q.h"
chris 3:db7126dbd63f 30 *
samux 1:d2630136d51e 31 * #define MMA8451_I2C_ADDRESS (0x1d<<1)
chris 3:db7126dbd63f 32 *
chris 4:c4d879a39775 33 * int main(void) {
chris 4:c4d879a39775 34 *
chris 3:db7126dbd63f 35 * MMA8451Q acc(P_E25, P_E24, MMA8451_I2C_ADDRESS);
chris 3:db7126dbd63f 36 * PwmOut rled(LED_RED);
chris 3:db7126dbd63f 37 * PwmOut gled(LED_GREEN);
chris 3:db7126dbd63f 38 * PwmOut bled(LED_BLUE);
chris 3:db7126dbd63f 39 *
chris 3:db7126dbd63f 40 * while (true) {
chris 3:db7126dbd63f 41 * rled = 1.0 - abs(acc.getAccX());
chris 3:db7126dbd63f 42 * gled = 1.0 - abs(acc.getAccY());
chris 3:db7126dbd63f 43 * bled = 1.0 - abs(acc.getAccZ());
chris 3:db7126dbd63f 44 * wait(0.1);
chris 3:db7126dbd63f 45 * }
samux 1:d2630136d51e 46 * }
samux 2:a077541cbadc 47 * @endcode
samux 1:d2630136d51e 48 */
emilmont 0:6149091f755d 49 class MMA8451Q
emilmont 0:6149091f755d 50 {
emilmont 0:6149091f755d 51 public:
samux 1:d2630136d51e 52 /**
samux 1:d2630136d51e 53 * MMA8451Q constructor
samux 1:d2630136d51e 54 *
samux 1:d2630136d51e 55 * @param sda SDA pin
samux 1:d2630136d51e 56 * @param sdl SCL pin
samux 1:d2630136d51e 57 * @param addr addr of the I2C peripheral
emilmont 0:6149091f755d 58 */
emilmont 0:6149091f755d 59 MMA8451Q(PinName sda, PinName scl, int addr);
emilmont 0:6149091f755d 60
samux 1:d2630136d51e 61 /**
samux 1:d2630136d51e 62 * MMA8451Q destructor
emilmont 0:6149091f755d 63 */
emilmont 0:6149091f755d 64 ~MMA8451Q();
emilmont 0:6149091f755d 65
samux 1:d2630136d51e 66 /**
emilmont 0:6149091f755d 67 * Get the value of the WHO_AM_I register
emilmont 0:6149091f755d 68 *
samux 1:d2630136d51e 69 * @returns WHO_AM_I value
emilmont 0:6149091f755d 70 */
emilmont 0:6149091f755d 71 uint8_t getWhoAmI();
emilmont 0:6149091f755d 72
samux 1:d2630136d51e 73 /**
emilmont 0:6149091f755d 74 * Get X axis acceleration
emilmont 0:6149091f755d 75 *
samux 1:d2630136d51e 76 * @returns X axis acceleration
emilmont 0:6149091f755d 77 */
chris 3:db7126dbd63f 78 float getAccX();
emilmont 0:6149091f755d 79
samux 1:d2630136d51e 80 /**
emilmont 0:6149091f755d 81 * Get Y axis acceleration
emilmont 0:6149091f755d 82 *
samux 1:d2630136d51e 83 * @returns Y axis acceleration
emilmont 0:6149091f755d 84 */
chris 3:db7126dbd63f 85 float getAccY();
emilmont 0:6149091f755d 86
samux 1:d2630136d51e 87 /**
emilmont 0:6149091f755d 88 * Get Z axis acceleration
emilmont 0:6149091f755d 89 *
samux 1:d2630136d51e 90 * @returns Z axis acceleration
emilmont 0:6149091f755d 91 */
chris 3:db7126dbd63f 92 float getAccZ();
emilmont 0:6149091f755d 93
samux 1:d2630136d51e 94 /**
emilmont 0:6149091f755d 95 * Get XYZ axis acceleration
emilmont 0:6149091f755d 96 *
samux 1:d2630136d51e 97 * @param res array where acceleration data will be stored
emilmont 0:6149091f755d 98 */
chris 3:db7126dbd63f 99 void getAccAllAxis(float * res);
JoKer 5:2d14600116fc 100
JoKer 5:2d14600116fc 101 /** JK
JoKer 5:2d14600116fc 102 * Setup Double Tap detection
JoKer 5:2d14600116fc 103
JoKer 5:2d14600116fc 104
JoKer 5:2d14600116fc 105 Example:
JoKer 5:2d14600116fc 106
JoKer 5:2d14600116fc 107 #include "mbed.h"
JoKer 5:2d14600116fc 108 #include "MMA8451Q.h"
JoKer 5:2d14600116fc 109
JoKer 5:2d14600116fc 110 #define MMA8451_I2C_ADDRESS (0x1d<<1)
JoKer 5:2d14600116fc 111 #define ON 0
JoKer 5:2d14600116fc 112 #define OFF !ON
JoKer 5:2d14600116fc 113
JoKer 5:2d14600116fc 114 //Setup the interrupts for the MMA8451Q
JoKer 5:2d14600116fc 115 InterruptIn accInt1(PTA14);
JoKer 5:2d14600116fc 116 InterruptIn accInt2(PTA15);//not used in this prog but this is the other int from the accelorometer
JoKer 5:2d14600116fc 117
JoKer 5:2d14600116fc 118 uint8_t togstat=0;//Led status
JoKer 5:2d14600116fc 119 DigitalOut bled(LED_BLUE);
JoKer 5:2d14600116fc 120
JoKer 5:2d14600116fc 121
JoKer 5:2d14600116fc 122 void tapTrue(void){//ISR
JoKer 5:2d14600116fc 123 if(togstat == 0){
JoKer 5:2d14600116fc 124 togstat = 1;
JoKer 5:2d14600116fc 125 bled=ON;
JoKer 5:2d14600116fc 126 } else {
JoKer 5:2d14600116fc 127 togstat = 0;
JoKer 5:2d14600116fc 128 bled=OFF;
JoKer 5:2d14600116fc 129 }
JoKer 5:2d14600116fc 130
JoKer 5:2d14600116fc 131 }
JoKer 5:2d14600116fc 132
JoKer 5:2d14600116fc 133
JoKer 5:2d14600116fc 134 int main(void) {
JoKer 5:2d14600116fc 135
JoKer 5:2d14600116fc 136 MMA8451Q acc(PTE25, PTE24, MMA8451_I2C_ADDRESS);//accelorometer instance
JoKer 5:2d14600116fc 137
JoKer 5:2d14600116fc 138 acc.setDoubleTap();//Setup the MMA8451Q to look for a double Tap
JoKer 5:2d14600116fc 139 accInt1.rise(&tapTrue);//call tapTrue when an interrupt is generated on PTA14
JoKer 5:2d14600116fc 140
JoKer 5:2d14600116fc 141 while (true) {
JoKer 5:2d14600116fc 142 //Interrupt driven so nothing in main loop
JoKer 5:2d14600116fc 143 }
JoKer 5:2d14600116fc 144 }
JoKer 5:2d14600116fc 145
JoKer 5:2d14600116fc 146
JoKer 5:2d14600116fc 147 */
JoKer 5:2d14600116fc 148 void setDoubleTap(void);
emilmont 0:6149091f755d 149
emilmont 0:6149091f755d 150 private:
samux 1:d2630136d51e 151 I2C m_i2c;
emilmont 0:6149091f755d 152 int m_addr;
samux 1:d2630136d51e 153 void readRegs(int addr, uint8_t * data, int len);
samux 1:d2630136d51e 154 void writeRegs(uint8_t * data, int len);
emilmont 0:6149091f755d 155 int16_t getAccAxis(uint8_t addr);
emilmont 0:6149091f755d 156
emilmont 0:6149091f755d 157 };
emilmont 0:6149091f755d 158
emilmont 0:6149091f755d 159 #endif