Eli Menchaca / Mbed 2 deprecated ACC_LCD_341_all_axies

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Dependencies:   MMA8451Q SLCD mbed

Fork of ACC_LCD_341_all_axies by Stanley Cohen

acc_all_axies.cpp@8:7d9524a5a1f6, 2016-12-02 (annotated)

Committer:
menchacaeli
Date:
Fri Dec 02 23:25:39 2016 +0000
Revision:
8:7d9524a5a1f6
Parent:
6:88a2bae825ae 
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Who changed what in which revision?

UserRevisionLine numberNew contents of line
scohennm 0:203b4129a213 1 #include "mbed.h"
menchacaeli 6:88a2bae825ae 2 #include <math.h>
menchacaeli 6:88a2bae825ae 3 //#include <tgmath.h>
menchacaeli 6:88a2bae825ae 4 #include <stdio.h>
scohennm 0:203b4129a213 5 #include "MMA8451Q.h"
scohennm 0:203b4129a213 6 #include "SLCD.h"
scohennm 0:203b4129a213 7
menchacaeli 6:88a2bae825ae 8
scohennm 5:9e4173e23e05 9 #define NUMAXES 3
scohennm 5:9e4173e23e05 10 #define XAXIS 0
scohennm 5:9e4173e23e05 11 #define YAXIS 1
scohennm 5:9e4173e23e05 12 #define ZAXIS 2
scohennm 5:9e4173e23e05 13 #define NUMBUTS 2
scohennm 5:9e4173e23e05 14 #define LBUT PTC12 // port addresses for buttons
scohennm 5:9e4173e23e05 15 #define RBUT PTC3
scohennm 5:9e4173e23e05 16 #define BUTTONTIME 0.200
scohennm 3:c5291c70af48 17 #define DATAINTERVAL 0.200
scohennm 5:9e4173e23e05 18 #define LCDWAIT 1.5
scohennm 4:1d559bac561a 19 #define LCDDATALEN 10
menchacaeli 6:88a2bae825ae 20 #define PI 3.14159265
scohennm 0:203b4129a213 21
scohennm 5:9e4173e23e05 22 #define PROGNAME "ACC_LCD_all_axes_v1\r\n"
scohennm 0:203b4129a213 23
scohennm 0:203b4129a213 24 #define PRINTDBUG
scohennm 2:6003ed409def 25 //
scohennm 0:203b4129a213 26 #if defined (TARGET_KL25Z) || defined (TARGET_KL46Z)
scohennm 2:6003ed409def 27 PinName const SDA = PTE25; // Data pins for the accelerometer/magnetometer.
scohennm 2:6003ed409def 28 PinName const SCL = PTE24; // DO NOT CHANGE
scohennm 0:203b4129a213 29 #elif defined (TARGET_KL05Z)
scohennm 0:203b4129a213 30 PinName const SDA = PTB4;
scohennm 0:203b4129a213 31 PinName const SCL = PTB3;
scohennm 0:203b4129a213 32 #else
scohennm 0:203b4129a213 33 #error TARGET NOT DEFINED
scohennm 0:203b4129a213 34 #endif
scohennm 0:203b4129a213 35
scohennm 0:203b4129a213 36 #define MMA8451_I2C_ADDRESS (0x1d<<1)
scohennm 0:203b4129a213 37
scohennm 0:203b4129a213 38 SLCD slcd; //define LCD display
scohennm 4:1d559bac561a 39 char lcdData[LCDDATALEN]; //buffer needs places dor decimal pt and colon
scohennm 5:9e4173e23e05 40 int currentAxis = XAXIS; // xaxis
scohennm 0:203b4129a213 41
scohennm 0:203b4129a213 42 MMA8451Q acc(SDA, SCL, MMA8451_I2C_ADDRESS);
scohennm 0:203b4129a213 43 Serial pc(USBTX, USBRX);
scohennm 3:c5291c70af48 44 Timer dataTimer;
scohennm 5:9e4173e23e05 45 Timer ButtonTimer; // for reading button states
scohennm 5:9e4173e23e05 46 DigitalIn buttons[NUMBUTS] = {RBUT, LBUT}; // set up buttons
scohennm 0:203b4129a213 47
scohennm 5:9e4173e23e05 48 char axisName[NUMAXES][LCDDATALEN] = {"<X<","<Y<", "<Z<"};
scohennm 0:203b4129a213 49
scohennm 3:c5291c70af48 50 void LCDMess(char *lMess){
scohennm 0:203b4129a213 51 slcd.Home();
scohennm 0:203b4129a213 52 slcd.clear();
scohennm 0:203b4129a213 53 slcd.printf(lMess);
scohennm 0:203b4129a213 54 }
scohennm 4:1d559bac561a 55
scohennm 4:1d559bac561a 56 void LCDsignedFloat(float theNumber){
menchacaeli 6:88a2bae825ae 57 sprintf (lcdData," %3.0d",theNumber);
scohennm 5:9e4173e23e05 58 // changed SLCD.cpp to interpret < as -
menchacaeli 6:88a2bae825ae 59 if (theNumber < 0.0) sprintf (lcdData,"<%3.0d",fabs(theNumber));
scohennm 4:1d559bac561a 60 LCDMess(lcdData);
scohennm 4:1d559bac561a 61 }
scohennm 4:1d559bac561a 62
menchacaeli 6:88a2bae825ae 63 void LCDsignedAngle(float theAngle){
menchacaeli 6:88a2bae825ae 64 sprintf (lcdData," %2.0f@",theAngle);
menchacaeli 6:88a2bae825ae 65 // changed SLCD.cpp to interpret @ as superscript 0 (degrees)
menchacaeli 6:88a2bae825ae 66 if (theAngle < 0.0) sprintf (lcdData,"<%2.0f@",fabs(theAngle));
menchacaeli 6:88a2bae825ae 67 LCDMess(lcdData);
menchacaeli 6:88a2bae825ae 68 }
menchacaeli 6:88a2bae825ae 69
scohennm 3:c5291c70af48 70 void initialize_global_vars(){
scohennm 3:c5291c70af48 71 pc.printf(PROGNAME);
scohennm 5:9e4173e23e05 72 // set up DAQ timers
scohennm 5:9e4173e23e05 73 ButtonTimer.start();
scohennm 5:9e4173e23e05 74 ButtonTimer.reset();
scohennm 3:c5291c70af48 75 dataTimer.start();
scohennm 3:c5291c70af48 76 dataTimer.reset();
scohennm 5:9e4173e23e05 77 LCDMess(axisName[currentAxis]);
scohennm 5:9e4173e23e05 78 wait(LCDWAIT);
scohennm 5:9e4173e23e05 79
scohennm 3:c5291c70af48 80 }
scohennm 0:203b4129a213 81
scohennm 0:203b4129a213 82 int main() {
scohennm 5:9e4173e23e05 83 int i; // loop index
menchacaeli 6:88a2bae825ae 84 float axisValue[NUMAXES]; // set up an array of axis values
scohennm 5:9e4173e23e05 85 int buttonSum = 0;
menchacaeli 6:88a2bae825ae 86
scohennm 3:c5291c70af48 87 initialize_global_vars();
scohennm 0:203b4129a213 88 // main loop forever
scohennm 0:203b4129a213 89 while(true) {
scohennm 5:9e4173e23e05 90 while (ButtonTimer > BUTTONTIME){ //Use a while instead of an if
scohennm 5:9e4173e23e05 91 buttonSum = 0; // Note
scohennm 5:9e4173e23e05 92 buttonSum = !buttons[0] + !buttons[1];
menchacaeli 6:88a2bae825ae 93 if (buttonSum != 0) {
menchacaeli 6:88a2bae825ae 94 currentAxis = (currentAxis + 1 ) % NUMAXES;
menchacaeli 6:88a2bae825ae 95 // Cycle through the
scohennm 5:9e4173e23e05 96 // Axis with modulus
scohennm 5:9e4173e23e05 97 // to reset back to zero
scohennm 5:9e4173e23e05 98 LCDMess(axisName[currentAxis]);
scohennm 5:9e4173e23e05 99 wait(LCDWAIT);
scohennm 5:9e4173e23e05 100 }// for loop to look at buttons
scohennm 5:9e4173e23e05 101 ButtonTimer.reset(); // Make sure you reset the timer or..
scohennm 5:9e4173e23e05 102 // Groundhog Day.
scohennm 5:9e4173e23e05 103 }
scohennm 5:9e4173e23e05 104 while (dataTimer.read() > DATAINTERVAL){
scohennm 3:c5291c70af48 105 dataTimer.reset();
menchacaeli 6:88a2bae825ae 106 axisValue[XAXIS] = acc.getAccX();
scohennm 5:9e4173e23e05 107 axisValue[YAXIS] = acc.getAccY();
scohennm 5:9e4173e23e05 108 axisValue[ZAXIS] = acc.getAccZ();
scohennm 0:203b4129a213 109 #ifdef PRINTDBUG
scohennm 5:9e4173e23e05 110 for (i=0; i< NUMAXES;i++){
menchacaeli 6:88a2bae825ae 111 pc.printf("Acc %d = %f@\r\n",i, axisValue[i]);
scohennm 5:9e4173e23e05 112 }
menchacaeli 6:88a2bae825ae 113 #endif
menchacaeli 6:88a2bae825ae 114 //axisRead = axisValue[currentAxis];
menchacaeli 6:88a2bae825ae 115 LCDsignedAngle(axisValue[currentAxis]);
scohennm 3:c5291c70af48 116 }
scohennm 0:203b4129a213 117 }
scohennm 0:203b4129a213 118 }