Bresdin O'Malley / Mbed 2 deprecated KL46z_single_tap_Project_v2

The whole program

Dependencies:   MMA8451Q8_v2 SLCD mbed

Fork of KL46z_single_tap_Project_1_v1 by Bresdin O'Malley

main.cpp@6:990e73b26c15, 2015-02-16 (annotated)

Committer:
bomalley
Date:
Mon Feb 16 03:40:03 2015 +0000
Revision:
6:990e73b26c15
Parent:
5:0930b17d337d 
Project v2

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bcostm 0:912303e63cbd 1 #include "mbed.h"
scohennm 2:17a0550771c4 2 #include "MMA8451Q8.h"
scohennm 1:65b0e488f02a 3 #include "SLCD.h"
scohennm 3:53d47a5dbb2c 4
scohennm 3:53d47a5dbb2c 5 #define BLINKTIME 0.7
scohennm 3:53d47a5dbb2c 6 #define RELAYON 0
scohennm 3:53d47a5dbb2c 7 #define RELAYOFF 1
scohennm 3:53d47a5dbb2c 8 #define LEDDELAY 0.75
scohennm 3:53d47a5dbb2c 9 #define WAITDELAY 3.0
scohennm 3:53d47a5dbb2c 10 #define LCDLEN 10
scohennm 3:53d47a5dbb2c 11
scohennm 3:53d47a5dbb2c 12 #define REG_WHO_AM_I 0x0D
scohennm 3:53d47a5dbb2c 13 #define XYZ_DATA_CFG 0x0E
scohennm 3:53d47a5dbb2c 14
scohennm 3:53d47a5dbb2c 15 #define REG_OUT_X_MSB 0x01
scohennm 3:53d47a5dbb2c 16 #define REG_OUT_Y_MSB 0x03
scohennm 3:53d47a5dbb2c 17 #define REG_OUT_Z_MSB 0x05
scohennm 3:53d47a5dbb2c 18 #define REG_PULSE_SRC 0x22
scohennm 3:53d47a5dbb2c 19 #define REG_PULSE_CFG 0x21
scohennm 3:53d47a5dbb2c 20
bomalley 6:990e73b26c15 21 #define REG_PULSE_THSZ 0x25 //Acctivated interupt
bomalley 4:d75c7e69796b 22 #define REG_PULSE_TMLT 0x26
bomalley 4:d75c7e69796b 23 #define REG_PULSE_LTCY 0x27
bomalley 5:0930b17d337d 24
bomalley 5:0930b17d337d 25 #define REG_CTRL_REG4 0x2D
bomalley 5:0930b17d337d 26 #define REG_CTRL_REG5 0x2E
bomalley 4:d75c7e69796b 27
bomalley 6:990e73b26c15 28 #define REG_DATA_THSZ 0x08
bomalley 6:990e73b26c15 29 #define REG_DATA_TMLT 0x50 // Set the time limit for the Tap Detection to 50ms, Normal Mode
bomalley 6:990e73b26c15 30 #define REG_DATA_LTCY 0xF0 // Set the latency time to 300ms
bomalley 4:d75c7e69796b 31
scohennm 3:53d47a5dbb2c 32 #define MAX_2G 0x00
scohennm 3:53d47a5dbb2c 33 #define MAX_4G 0x01
scohennm 3:53d47a5dbb2c 34 #define MAX_8G 0x02
scohennm 3:53d47a5dbb2c 35
scohennm 3:53d47a5dbb2c 36 //#define PRINTDBUG
scohennm 3:53d47a5dbb2c 37 // Accelerometer SPI pins
scohennm 3:53d47a5dbb2c 38 #if defined (TARGET_KL25Z) || defined (TARGET_KL46Z)
scohennm 3:53d47a5dbb2c 39 PinName const SDA = PTE25;
scohennm 3:53d47a5dbb2c 40 PinName const SCL = PTE24;
scohennm 3:53d47a5dbb2c 41 #elif defined (TARGET_KL05Z)
scohennm 3:53d47a5dbb2c 42 PinName const SDA = PTB4;
scohennm 3:53d47a5dbb2c 43 PinName const SCL = PTB3;
scohennm 3:53d47a5dbb2c 44 #else
scohennm 3:53d47a5dbb2c 45 #error TARGET NOT DEFINED
scohennm 3:53d47a5dbb2c 46 #endif
scohennm 3:53d47a5dbb2c 47
scohennm 3:53d47a5dbb2c 48 #define MMA8451_I2C_ADDRESS (0x1d<<1)
bcostm 0:912303e63cbd 49
scohennm 1:65b0e488f02a 50 Ticker ledBlink; // timinginterrupt for RED led
scohennm 1:65b0e488f02a 51 InterruptIn mybutton(PTC3); //push botton with internal pullup
scohennm 1:65b0e488f02a 52 DigitalOut myled(LED_RED); // red led
scohennm 1:65b0e488f02a 53 DigitalOut relay(LED_GREEN); // green led
scohennm 1:65b0e488f02a 54
bomalley 4:d75c7e69796b 55 MMA8451Q acc(SDA, SCL, MMA8451_I2C_ADDRESS);
bcostm 0:912303e63cbd 56
scohennm 1:65b0e488f02a 57 float delay = WAITDELAY;
scohennm 1:65b0e488f02a 58 int relayState = RELAYOFF;
scohennm 1:65b0e488f02a 59 int outState = false;
scohennm 1:65b0e488f02a 60 SLCD slcd; //define LCD display
scohennm 3:53d47a5dbb2c 61 char LCDMessages[2][LCDLEN] = {"TRUE", "FALS"};
scohennm 1:65b0e488f02a 62
scohennm 1:65b0e488f02a 63
scohennm 3:53d47a5dbb2c 64 void LCDMess(char *lMess, float dWait){
scohennm 3:53d47a5dbb2c 65 slcd.Home();
scohennm 1:65b0e488f02a 66 slcd.clear();
scohennm 1:65b0e488f02a 67 slcd.printf(lMess);
scohennm 3:53d47a5dbb2c 68 wait(dWait);
scohennm 3:53d47a5dbb2c 69 }
scohennm 3:53d47a5dbb2c 70 void LCDMessNoDwell(char *lMess){
scohennm 3:53d47a5dbb2c 71 slcd.Home();
scohennm 3:53d47a5dbb2c 72 slcd.clear();
scohennm 3:53d47a5dbb2c 73 slcd.printf(lMess);
scohennm 3:53d47a5dbb2c 74 }
scohennm 3:53d47a5dbb2c 75
scohennm 1:65b0e488f02a 76
scohennm 1:65b0e488f02a 77 void LEDBlinker(){ // RED LED interrupt
scohennm 1:65b0e488f02a 78 outState = !outState;
scohennm 1:65b0e488f02a 79 myled.write(outState);
scohennm 1:65b0e488f02a 80 }
scohennm 1:65b0e488f02a 81
scohennm 1:65b0e488f02a 82
scohennm 1:65b0e488f02a 83 void pressed() // button intterupt
bcostm 0:912303e63cbd 84 {
scohennm 1:65b0e488f02a 85 relayState = !relayState;
scohennm 1:65b0e488f02a 86 relay.write(relayState);
bcostm 0:912303e63cbd 87 }
scohennm 1:65b0e488f02a 88
bcostm 0:912303e63cbd 89 int main()
bcostm 0:912303e63cbd 90 {
scohennm 3:53d47a5dbb2c 91 uint8_t regData = MAX_4G;
scohennm 3:53d47a5dbb2c 92 uint8_t latchData = 0x40; //0b01000000; //for pulse config register
scohennm 3:53d47a5dbb2c 93 uint8_t axisData = 0x10; //0b00010000;
scohennm 3:53d47a5dbb2c 94 char lcdData[LCDLEN];
scohennm 3:53d47a5dbb2c 95
scohennm 1:65b0e488f02a 96 myled.write(outState);
scohennm 1:65b0e488f02a 97 relay.write(relayState);
scohennm 3:53d47a5dbb2c 98
scohennm 3:53d47a5dbb2c 99 // set up interrrupts to be used later for taps
bomalley 5:0930b17d337d 100 mybutton.rise(&pressed);
bomalley 5:0930b17d337d 101 mybutton.mode(PullNone);
scohennm 3:53d47a5dbb2c 102 // set up interrrupts to be used later for taps
scohennm 1:65b0e488f02a 103 ledBlink.attach(&LEDBlinker, LEDDELAY);
scohennm 3:53d47a5dbb2c 104
scohennm 3:53d47a5dbb2c 105 // Check to see if accerlometer is alive and well
scohennm 3:53d47a5dbb2c 106 acc.setGLimit(MAX_2G); // For now set to 2g
scohennm 3:53d47a5dbb2c 107 acc.readRegs(XYZ_DATA_CFG, &regData, 1);
scohennm 3:53d47a5dbb2c 108 sprintf (lcdData,"%x",regData); // Note displaying in hexidecimal
scohennm 3:53d47a5dbb2c 109 LCDMess(lcdData,BLINKTIME);
scohennm 3:53d47a5dbb2c 110 acc.readRegs(REG_WHO_AM_I, &regData, 1);
scohennm 3:53d47a5dbb2c 111 sprintf (lcdData,"%x",regData);
scohennm 3:53d47a5dbb2c 112 LCDMess(lcdData,BLINKTIME);
scohennm 3:53d47a5dbb2c 113
scohennm 1:65b0e488f02a 114 while (true) {
scohennm 3:53d47a5dbb2c 115
scohennm 3:53d47a5dbb2c 116 // Read Pulse Source Data and check to see if things have been set
scohennm 3:53d47a5dbb2c 117 acc.readRegs(REG_PULSE_CFG, &regData, 1); // check it
scohennm 3:53d47a5dbb2c 118 sprintf (lcdData,"%x",regData);
scohennm 3:53d47a5dbb2c 119 LCDMess(lcdData,BLINKTIME);
scohennm 3:53d47a5dbb2c 120
scohennm 3:53d47a5dbb2c 121 acc.setPulseConfiguration(latchData, axisData); // write the data
scohennm 3:53d47a5dbb2c 122 acc.readRegs(REG_PULSE_CFG, &regData, 1); // check it
scohennm 3:53d47a5dbb2c 123 sprintf (lcdData,"%x",regData);
scohennm 3:53d47a5dbb2c 124 LCDMess(lcdData,BLINKTIME);
scohennm 3:53d47a5dbb2c 125
bomalley 6:990e73b26c15 126 //send address for teh z axis -->
bomalley 5:0930b17d337d 127 acc.setRegisterInStandby(REG_PULSE_THSZ, REG_DATA_THSZ);
bomalley 6:990e73b26c15 128
bomalley 6:990e73b26c15 129 //pulse time limit -->
bomalley 5:0930b17d337d 130 acc.setRegisterInStandby(REG_PULSE_TMLT, REG_DATA_TMLT);
bomalley 6:990e73b26c15 131
bomalley 6:990e73b26c15 132 // latency time limit -->
bomalley 5:0930b17d337d 133 acc.setRegisterInStandby(REG_PULSE_LTCY, REG_DATA_LTCY);
bomalley 5:0930b17d337d 134
bomalley 6:990e73b26c15 135 //interrupt bit 3 pulse interrupt -->
bomalley 6:990e73b26c15 136 acc.setRegisterInStandby(REG_CTRL_REG4, 0x08);
bomalley 6:990e73b26c15 137
bomalley 6:990e73b26c15 138 //interrupt bit 3 int1 pin -->
bomalley 6:990e73b26c15 139 acc.setRegisterInStandby(REG_CTRL_REG5, 0x08);
bomalley 5:0930b17d337d 140
scohennm 3:53d47a5dbb2c 141 acc.readRegs(REG_PULSE_SRC, &regData, 1);
scohennm 3:53d47a5dbb2c 142 sprintf (lcdData,"%x",regData);
scohennm 3:53d47a5dbb2c 143 LCDMess(lcdData,BLINKTIME);
scohennm 3:53d47a5dbb2c 144
scohennm 3:53d47a5dbb2c 145 LCDMessNoDwell(LCDMessages[relayState]);
bcostm 0:912303e63cbd 146 wait(delay);
bcostm 0:912303e63cbd 147 }
bcostm 0:912303e63cbd 148 }