Bresdin O'Malley / Mbed 2 deprecated KL46z_single_tap_HW4_2_1

The whole program

Dependencies:   MMA8451Q8 SLCD mbed

Fork of KL46z_single_tap_empty by Stanley Cohen

main.cpp@4:d75c7e69796b, 2015-02-09 (annotated)

Committer:
bomalley
Date:
Mon Feb 09 18:19:28 2015 +0000
Revision:
4:d75c7e69796b
Parent:
3:53d47a5dbb2c 
pgm

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 4:d75c7e69796b 21 #define REG_PULSE_THSX 0x23
bomalley 4:d75c7e69796b 22 #define REG_PULSE_THSY 0x24
bomalley 4:d75c7e69796b 23 #define REG_PULSE_THSZ 0x25
bomalley 4:d75c7e69796b 24 #define REG_PULSE_TMLT 0x26
bomalley 4:d75c7e69796b 25 #define REG_PULSE_LTCY 0x27
bomalley 4:d75c7e69796b 26 #define REG_PULSE_WIND 0x28
bomalley 4:d75c7e69796b 27
bomalley 4:d75c7e69796b 28
scohennm 3:53d47a5dbb2c 29 #define MAX_2G 0x00
scohennm 3:53d47a5dbb2c 30 #define MAX_4G 0x01
scohennm 3:53d47a5dbb2c 31 #define MAX_8G 0x02
scohennm 3:53d47a5dbb2c 32
scohennm 3:53d47a5dbb2c 33 //#define PRINTDBUG
scohennm 3:53d47a5dbb2c 34 // Accelerometer SPI pins
scohennm 3:53d47a5dbb2c 35 #if defined (TARGET_KL25Z) || defined (TARGET_KL46Z)
scohennm 3:53d47a5dbb2c 36 PinName const SDA = PTE25;
scohennm 3:53d47a5dbb2c 37 PinName const SCL = PTE24;
scohennm 3:53d47a5dbb2c 38 #elif defined (TARGET_KL05Z)
scohennm 3:53d47a5dbb2c 39 PinName const SDA = PTB4;
scohennm 3:53d47a5dbb2c 40 PinName const SCL = PTB3;
scohennm 3:53d47a5dbb2c 41 #else
scohennm 3:53d47a5dbb2c 42 #error TARGET NOT DEFINED
scohennm 3:53d47a5dbb2c 43 #endif
scohennm 3:53d47a5dbb2c 44
scohennm 3:53d47a5dbb2c 45 #define MMA8451_I2C_ADDRESS (0x1d<<1)
bcostm 0:912303e63cbd 46
scohennm 1:65b0e488f02a 47 Ticker ledBlink; // timinginterrupt for RED led
scohennm 1:65b0e488f02a 48 InterruptIn mybutton(PTC3); //push botton with internal pullup
scohennm 1:65b0e488f02a 49 DigitalOut myled(LED_RED); // red led
scohennm 1:65b0e488f02a 50 DigitalOut relay(LED_GREEN); // green led
scohennm 1:65b0e488f02a 51
bomalley 4:d75c7e69796b 52 MMA8451Q acc(SDA, SCL, MMA8451_I2C_ADDRESS);
bcostm 0:912303e63cbd 53
scohennm 1:65b0e488f02a 54 float delay = WAITDELAY;
scohennm 1:65b0e488f02a 55 int relayState = RELAYOFF;
scohennm 1:65b0e488f02a 56 int outState = false;
scohennm 1:65b0e488f02a 57 SLCD slcd; //define LCD display
scohennm 3:53d47a5dbb2c 58 char LCDMessages[2][LCDLEN] = {"TRUE", "FALS"};
bomalley 4:d75c7e69796b 59 uint8_t registerArray[8] = {REG_PULSE_CFG, REG_PULSE_SRC, REG_PULSE_THSX, REG_PULSE_THSY, REG_PULSE_THSZ, REG_PULSE_TMLT, REG_PULSE_LTCY, REG_PULSE_WIND};
bomalley 4:d75c7e69796b 60 uint8_t regAddress;
scohennm 1:65b0e488f02a 61
scohennm 1:65b0e488f02a 62
scohennm 3:53d47a5dbb2c 63 void LCDMess(char *lMess, float dWait){
scohennm 3:53d47a5dbb2c 64 slcd.Home();
scohennm 1:65b0e488f02a 65 slcd.clear();
scohennm 1:65b0e488f02a 66 slcd.printf(lMess);
scohennm 3:53d47a5dbb2c 67 wait(dWait);
scohennm 3:53d47a5dbb2c 68 }
scohennm 3:53d47a5dbb2c 69 void LCDMessNoDwell(char *lMess){
scohennm 3:53d47a5dbb2c 70 slcd.Home();
scohennm 3:53d47a5dbb2c 71 slcd.clear();
scohennm 3:53d47a5dbb2c 72 slcd.printf(lMess);
scohennm 3:53d47a5dbb2c 73 }
scohennm 3:53d47a5dbb2c 74
scohennm 1:65b0e488f02a 75
scohennm 1:65b0e488f02a 76 void LEDBlinker(){ // RED LED interrupt
scohennm 1:65b0e488f02a 77 outState = !outState;
scohennm 1:65b0e488f02a 78 myled.write(outState);
scohennm 1:65b0e488f02a 79 }
scohennm 1:65b0e488f02a 80
scohennm 1:65b0e488f02a 81
scohennm 1:65b0e488f02a 82 void pressed() // button intterupt
bcostm 0:912303e63cbd 83 {
scohennm 1:65b0e488f02a 84 relayState = !relayState;
scohennm 1:65b0e488f02a 85 relay.write(relayState);
bcostm 0:912303e63cbd 86 }
scohennm 1:65b0e488f02a 87
bcostm 0:912303e63cbd 88 int main()
bcostm 0:912303e63cbd 89 {
scohennm 3:53d47a5dbb2c 90 uint8_t regData = MAX_4G;
scohennm 3:53d47a5dbb2c 91 uint8_t latchData = 0x40; //0b01000000; //for pulse config register
scohennm 3:53d47a5dbb2c 92 uint8_t axisData = 0x10; //0b00010000;
scohennm 3:53d47a5dbb2c 93 char lcdData[LCDLEN];
scohennm 3:53d47a5dbb2c 94
scohennm 1:65b0e488f02a 95 myled.write(outState);
scohennm 1:65b0e488f02a 96 relay.write(relayState);
scohennm 3:53d47a5dbb2c 97
scohennm 3:53d47a5dbb2c 98 // set up interrrupts to be used later for taps
bcostm 0:912303e63cbd 99 mybutton.fall(&pressed);
scohennm 3:53d47a5dbb2c 100 // set up interrrupts to be used later for taps
scohennm 1:65b0e488f02a 101 ledBlink.attach(&LEDBlinker, LEDDELAY);
scohennm 3:53d47a5dbb2c 102
scohennm 3:53d47a5dbb2c 103 // Check to see if accerlometer is alive and well
scohennm 3:53d47a5dbb2c 104 acc.setGLimit(MAX_2G); // For now set to 2g
scohennm 3:53d47a5dbb2c 105 acc.readRegs(XYZ_DATA_CFG, &regData, 1);
scohennm 3:53d47a5dbb2c 106 sprintf (lcdData,"%x",regData); // Note displaying in hexidecimal
scohennm 3:53d47a5dbb2c 107 LCDMess(lcdData,BLINKTIME);
scohennm 3:53d47a5dbb2c 108 acc.readRegs(REG_WHO_AM_I, &regData, 1);
scohennm 3:53d47a5dbb2c 109 sprintf (lcdData,"%x",regData);
scohennm 3:53d47a5dbb2c 110 LCDMess(lcdData,BLINKTIME);
scohennm 3:53d47a5dbb2c 111
scohennm 1:65b0e488f02a 112 while (true) {
scohennm 3:53d47a5dbb2c 113
scohennm 3:53d47a5dbb2c 114 // Read Pulse Source Data and check to see if things have been set
scohennm 3:53d47a5dbb2c 115 acc.readRegs(REG_PULSE_CFG, &regData, 1); // check it
scohennm 3:53d47a5dbb2c 116 sprintf (lcdData,"%x",regData);
scohennm 3:53d47a5dbb2c 117 LCDMess(lcdData,BLINKTIME);
scohennm 3:53d47a5dbb2c 118
scohennm 3:53d47a5dbb2c 119 acc.setPulseConfiguration(latchData, axisData); // write the data
scohennm 3:53d47a5dbb2c 120 acc.readRegs(REG_PULSE_CFG, &regData, 1); // check it
scohennm 3:53d47a5dbb2c 121 sprintf (lcdData,"%x",regData);
scohennm 3:53d47a5dbb2c 122 LCDMess(lcdData,BLINKTIME);
scohennm 3:53d47a5dbb2c 123
bomalley 4:d75c7e69796b 124 //send address
bomalley 4:d75c7e69796b 125 regData = latchData | axisData;
bomalley 4:d75c7e69796b 126 regAddress = 0;
bomalley 4:d75c7e69796b 127 acc.setRegisterInStandby(registerArray[regAddress], regData);
scohennm 3:53d47a5dbb2c 128 acc.readRegs(REG_PULSE_SRC, &regData, 1);
scohennm 3:53d47a5dbb2c 129 sprintf (lcdData,"%x",regData);
scohennm 3:53d47a5dbb2c 130 LCDMess(lcdData,BLINKTIME);
scohennm 3:53d47a5dbb2c 131
scohennm 3:53d47a5dbb2c 132 LCDMessNoDwell(LCDMessages[relayState]);
bcostm 0:912303e63cbd 133 wait(delay);
bcostm 0:912303e63cbd 134 }
bcostm 0:912303e63cbd 135 }