Stanley Cohen / Mbed 2 deprecated LCD_ACC_46_v4-8g

Change #define for MAX_8G

Dependencies:   MMA8451Q8 SLCD mbed

Fork of SSD_341_535_finalv3 by Stanley Cohen

lcd_acc_46_v4-8g.cpp@4:6128eb8206ee, 2017-02-22 (annotated)

Committer:
scohennm
Date:
Wed Feb 22 15:35:58 2017 +0000
Revision:
4:6128eb8206ee
Change #define for MAX_8G

Who changed what in which revision?

UserRevisionLine numberNew contents of line
scohennm 4:6128eb8206ee 1 #include "mbed.h"
scohennm 4:6128eb8206ee 2 #include "MMA8451Q8.h"
scohennm 4:6128eb8206ee 3 #include "SLCD.h"
scohennm 4:6128eb8206ee 4 /*
scohennm 4:6128eb8206ee 5 Test of the accelerometer, digital I/O, on-board LCD screen, and 16-bit ADC.
scohennm 4:6128eb8206ee 6
scohennm 4:6128eb8206ee 7 */
scohennm 4:6128eb8206ee 8
scohennm 4:6128eb8206ee 9 #define BLINKTIME 0.7
scohennm 4:6128eb8206ee 10 #define DATATIME 0.1
scohennm 4:6128eb8206ee 11 #define DATADISPDWELL 0.2
scohennm 4:6128eb8206ee 12 #define NUMLEDS 2
scohennm 4:6128eb8206ee 13 #define LEDON 0
scohennm 4:6128eb8206ee 14 #define LEDOFF 1
scohennm 4:6128eb8206ee 15 #define SCALING 13
scohennm 4:6128eb8206ee 16 #define RSTARTMESS "RSET"
scohennm 4:6128eb8206ee 17 #define MAXVECT "MAXV"
scohennm 4:6128eb8206ee 18 #define XCOMP "XCMP"
scohennm 4:6128eb8206ee 19 #define YCOMP "YCMP"
scohennm 4:6128eb8206ee 20 #define ZCOMP "ZCMP"
scohennm 4:6128eb8206ee 21 #define ANALTOVOLTS 3.3
scohennm 4:6128eb8206ee 22 #define LEDDELAY 0.400
scohennm 4:6128eb8206ee 23 //define states
scohennm 4:6128eb8206ee 24 #define NUMSTATES 4
scohennm 4:6128eb8206ee 25 #define XCOMPD 0
scohennm 4:6128eb8206ee 26 #define YCOMPD 1
scohennm 4:6128eb8206ee 27 #define ZCOMPD 2
scohennm 4:6128eb8206ee 28 #define VMAXD 3
scohennm 4:6128eb8206ee 29
scohennm 4:6128eb8206ee 30 #define REG_WHO_AM_I 0x0D
scohennm 4:6128eb8206ee 31 #define XYZ_DATA_CFG 0x0E
scohennm 4:6128eb8206ee 32
scohennm 4:6128eb8206ee 33 #define MAX_2G 0x00
scohennm 4:6128eb8206ee 34 #define MAX_4G 0x01
scohennm 4:6128eb8206ee 35 #define MAX_8G 0x02
scohennm 4:6128eb8206ee 36
scohennm 4:6128eb8206ee 37 #define PROGNAME "LCD_ACC_LCDv3 46\r/n"
scohennm 4:6128eb8206ee 38
scohennm 4:6128eb8206ee 39 //#define PRINTDBUG
scohennm 4:6128eb8206ee 40 // Accelerometer SPI pins
scohennm 4:6128eb8206ee 41 #if defined (TARGET_KL25Z) || defined (TARGET_KL46Z)
scohennm 4:6128eb8206ee 42 PinName const SDA = PTE25;
scohennm 4:6128eb8206ee 43 PinName const SCL = PTE24;
scohennm 4:6128eb8206ee 44 #elif defined (TARGET_KL05Z)
scohennm 4:6128eb8206ee 45 PinName const SDA = PTB4;
scohennm 4:6128eb8206ee 46 PinName const SCL = PTB3;
scohennm 4:6128eb8206ee 47 #else
scohennm 4:6128eb8206ee 48 #error TARGET NOT DEFINED
scohennm 4:6128eb8206ee 49 #endif
scohennm 4:6128eb8206ee 50
scohennm 4:6128eb8206ee 51 #define MMA8451_I2C_ADDRESS (0x1d<<1)
scohennm 4:6128eb8206ee 52
scohennm 4:6128eb8206ee 53 SLCD slcd; //define LCD display
scohennm 4:6128eb8206ee 54 Timer blinkTimer;
scohennm 4:6128eb8206ee 55 Timer dataTimer;
scohennm 4:6128eb8206ee 56 Timer displayTimer;
scohennm 4:6128eb8206ee 57 MMA8451Q acc(SDA, SCL, MMA8451_I2C_ADDRESS);
scohennm 4:6128eb8206ee 58 AnalogIn TMP01(PTB1);
scohennm 4:6128eb8206ee 59 DigitalOut LEDs[NUMLEDS]={LED_RED, LED_GREEN}; //Indicator LEDs
scohennm 4:6128eb8206ee 60 Serial pc(USBTX, USBRX);
scohennm 4:6128eb8206ee 61
scohennm 4:6128eb8206ee 62
scohennm 4:6128eb8206ee 63 void LCDMess(char *lMess, float dWait){
scohennm 4:6128eb8206ee 64 slcd.Home();
scohennm 4:6128eb8206ee 65 slcd.clear();
scohennm 4:6128eb8206ee 66 slcd.printf(lMess);
scohennm 4:6128eb8206ee 67 wait(dWait);
scohennm 4:6128eb8206ee 68 }
scohennm 4:6128eb8206ee 69 void LCDMessNoDwell(char *lMess){
scohennm 4:6128eb8206ee 70 slcd.Home();
scohennm 4:6128eb8206ee 71 slcd.clear();
scohennm 4:6128eb8206ee 72 slcd.printf(lMess);
scohennm 4:6128eb8206ee 73 }
scohennm 4:6128eb8206ee 74
scohennm 4:6128eb8206ee 75
scohennm 4:6128eb8206ee 76 void allLEDsOFF(int numberOfLEDS) {
scohennm 4:6128eb8206ee 77 int i;
scohennm 4:6128eb8206ee 78 for (i=0;i<numberOfLEDS; i++){
scohennm 4:6128eb8206ee 79 LEDs[i] = LEDOFF;
scohennm 4:6128eb8206ee 80 }
scohennm 4:6128eb8206ee 81
scohennm 4:6128eb8206ee 82 }
scohennm 4:6128eb8206ee 83
scohennm 4:6128eb8206ee 84
scohennm 4:6128eb8206ee 85
scohennm 4:6128eb8206ee 86 int main() {
scohennm 4:6128eb8206ee 87
scohennm 4:6128eb8206ee 88 int RButtonState;
scohennm 4:6128eb8206ee 89 int LButtonState;
scohennm 4:6128eb8206ee 90 DigitalIn RtButton(PTC12);
scohennm 4:6128eb8206ee 91 DigitalIn LftButton(PTC3);
scohennm 4:6128eb8206ee 92 int displayState = XCOMPD;
scohennm 4:6128eb8206ee 93 float xAcc = 0.0;
scohennm 4:6128eb8206ee 94 float yAcc = 0.0;
scohennm 4:6128eb8206ee 95 float zAcc = 0.0;
scohennm 4:6128eb8206ee 96 float vector;
scohennm 4:6128eb8206ee 97 float vMax = 0.0;
scohennm 4:6128eb8206ee 98 float DisplayTime = DATADISPDWELL;
scohennm 4:6128eb8206ee 99 int outState = false;
scohennm 4:6128eb8206ee 100 char lcdData[10]; //buffer needs places for decimal pt and colon
scohennm 4:6128eb8206ee 101 uint8_t regData = MAX_4G;
scohennm 4:6128eb8206ee 102
scohennm 4:6128eb8206ee 103
scohennm 4:6128eb8206ee 104 #ifdef PRINTDBUG
scohennm 4:6128eb8206ee 105 pc.printf(PROGNAME);
scohennm 4:6128eb8206ee 106 #endif
scohennm 4:6128eb8206ee 107 LCDMess(RSTARTMESS, BLINKTIME);
scohennm 4:6128eb8206ee 108 // Initialze readings and sequence the LED's for dramtic effect.
scohennm 4:6128eb8206ee 109 allLEDsOFF(NUMLEDS);
scohennm 4:6128eb8206ee 110 blinkTimer.start();
scohennm 4:6128eb8206ee 111 blinkTimer.reset();
scohennm 4:6128eb8206ee 112 displayTimer.start();
scohennm 4:6128eb8206ee 113 displayTimer.reset();
scohennm 4:6128eb8206ee 114 dataTimer.start();
scohennm 4:6128eb8206ee 115 dataTimer.reset();
scohennm 4:6128eb8206ee 116 // change sensititivity experimental
scohennm 4:6128eb8206ee 117 acc.setGLimit();
scohennm 4:6128eb8206ee 118 acc.readRegs(XYZ_DATA_CFG, &regData, 1);
scohennm 4:6128eb8206ee 119 sprintf (lcdData,"%d",regData);
scohennm 4:6128eb8206ee 120 LCDMess(lcdData,BLINKTIME);
scohennm 4:6128eb8206ee 121 acc.readRegs(REG_WHO_AM_I, &regData, 1);
scohennm 4:6128eb8206ee 122 sprintf (lcdData,"%d",regData);
scohennm 4:6128eb8206ee 123 LCDMess(lcdData,BLINKTIME);
scohennm 4:6128eb8206ee 124
scohennm 4:6128eb8206ee 125 // main loop forever
scohennm 4:6128eb8206ee 126 while(true) {
scohennm 4:6128eb8206ee 127
scohennm 4:6128eb8206ee 128 // Handle user input for display selections
scohennm 4:6128eb8206ee 129 RButtonState = !RtButton; // button is pulled up so false is when button is pushed it's inverted to avoid confusion downstream
scohennm 4:6128eb8206ee 130 if (RButtonState){
scohennm 4:6128eb8206ee 131 vMax = 0.0; // Clear vMax
scohennm 4:6128eb8206ee 132 LCDMess(RSTARTMESS, BLINKTIME);
scohennm 4:6128eb8206ee 133 }
scohennm 4:6128eb8206ee 134 LButtonState = !LftButton;
scohennm 4:6128eb8206ee 135 if (LButtonState) { //Change data that is displayed
scohennm 4:6128eb8206ee 136 displayState = (displayState + 1) % NUMSTATES;
scohennm 4:6128eb8206ee 137 // Change to switch/case soon.
scohennm 4:6128eb8206ee 138 switch (displayState){
scohennm 4:6128eb8206ee 139 case XCOMPD: {
scohennm 4:6128eb8206ee 140 LCDMess(XCOMP,BLINKTIME);
scohennm 4:6128eb8206ee 141 break;
scohennm 4:6128eb8206ee 142 }
scohennm 4:6128eb8206ee 143 case YCOMPD: {
scohennm 4:6128eb8206ee 144 LCDMess(YCOMP,BLINKTIME);
scohennm 4:6128eb8206ee 145 break;
scohennm 4:6128eb8206ee 146 }
scohennm 4:6128eb8206ee 147 case ZCOMPD: {
scohennm 4:6128eb8206ee 148 LCDMess(ZCOMP,BLINKTIME);
scohennm 4:6128eb8206ee 149 break;
scohennm 4:6128eb8206ee 150 }
scohennm 4:6128eb8206ee 151 case VMAXD:{
scohennm 4:6128eb8206ee 152 LCDMess(MAXVECT,BLINKTIME);
scohennm 4:6128eb8206ee 153 break;
scohennm 4:6128eb8206ee 154 }
scohennm 4:6128eb8206ee 155 }// switch
scohennm 4:6128eb8206ee 156 }
scohennm 4:6128eb8206ee 157
scohennm 4:6128eb8206ee 158 // --------------------------------------------
scohennm 4:6128eb8206ee 159 while (dataTimer.read() > DATATIME){
scohennm 4:6128eb8206ee 160 // No offset
scohennm 4:6128eb8206ee 161 xAcc = abs(acc.getAccX());
scohennm 4:6128eb8206ee 162 yAcc = abs(acc.getAccY());
scohennm 4:6128eb8206ee 163 zAcc = abs(acc.getAccZ());
scohennm 4:6128eb8206ee 164 // Calulate vector sum of x,y and z reading.
scohennm 4:6128eb8206ee 165 // vector = sqrt(pow(xAcc,2) + pow(zAcc,2));
scohennm 4:6128eb8206ee 166 vector = zAcc;
scohennm 4:6128eb8206ee 167 if (vector > vMax) {
scohennm 4:6128eb8206ee 168 vMax = vector;
scohennm 4:6128eb8206ee 169 }
scohennm 4:6128eb8206ee 170 dataTimer.reset();
scohennm 4:6128eb8206ee 171 }
scohennm 4:6128eb8206ee 172
scohennm 4:6128eb8206ee 173 // Display the appropriate data on the LCD based upon what mode was chosen
scohennm 4:6128eb8206ee 174 while (displayTimer.read() > DisplayTime){
scohennm 4:6128eb8206ee 175 switch (displayState) {
scohennm 4:6128eb8206ee 176 case XCOMPD: {
scohennm 4:6128eb8206ee 177 sprintf (lcdData,"%4.3f",xAcc);
scohennm 4:6128eb8206ee 178 break;
scohennm 4:6128eb8206ee 179 }
scohennm 4:6128eb8206ee 180 case YCOMPD: {
scohennm 4:6128eb8206ee 181 sprintf (lcdData,"%4.3f",yAcc);
scohennm 4:6128eb8206ee 182 break;
scohennm 4:6128eb8206ee 183 }
scohennm 4:6128eb8206ee 184 case ZCOMPD: {
scohennm 4:6128eb8206ee 185 sprintf (lcdData,"%4.3f",zAcc);
scohennm 4:6128eb8206ee 186 break;
scohennm 4:6128eb8206ee 187 }
scohennm 4:6128eb8206ee 188 case VMAXD:{
scohennm 4:6128eb8206ee 189 sprintf (lcdData,"%4.3f",vMax);
scohennm 4:6128eb8206ee 190 break;
scohennm 4:6128eb8206ee 191 }
scohennm 4:6128eb8206ee 192 }
scohennm 4:6128eb8206ee 193 LCDMessNoDwell(lcdData);
scohennm 4:6128eb8206ee 194 displayTimer.reset();
scohennm 4:6128eb8206ee 195 } // displaytimer
scohennm 4:6128eb8206ee 196 // Wait then do the whole thing again.
scohennm 4:6128eb8206ee 197 // Alive LEDs
scohennm 4:6128eb8206ee 198 while(blinkTimer.read()> LEDDELAY) {
scohennm 4:6128eb8206ee 199 LEDs[0].write(outState);
scohennm 4:6128eb8206ee 200 LEDs[1].write(!outState);
scohennm 4:6128eb8206ee 201 outState = !outState;
scohennm 4:6128eb8206ee 202 blinkTimer.reset();
scohennm 4:6128eb8206ee 203 }
scohennm 4:6128eb8206ee 204 }//forever loop
scohennm 4:6128eb8206ee 205 }// main