Aleksandr Koptevtsov / Mbed 2 deprecated adxl345

ADXL345 test on L476

Dependencies:   mbed

main.cpp@0:a0f7c6807a3a, 2017-11-30 (annotated)

Committer:
tifo
Date:
Thu Nov 30 20:01:44 2017 +0000
Revision:
0:a0f7c6807a3a
Child:
1:2098adebc6da
Manual acc reading, pseudo int are working.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
tifo 0:a0f7c6807a3a 1 #include "mbed.h"
tifo 0:a0f7c6807a3a 2 #include "adxl345.h"
tifo 0:a0f7c6807a3a 3
tifo 0:a0f7c6807a3a 4
tifo 0:a0f7c6807a3a 5 ADXL345 adxl;
tifo 0:a0f7c6807a3a 6
tifo 0:a0f7c6807a3a 7 int x, y, z;
tifo 0:a0f7c6807a3a 8
tifo 0:a0f7c6807a3a 9 Serial mySerial(SERIAL_TX, SERIAL_RX, 9600); // tx, rx
tifo 0:a0f7c6807a3a 10
tifo 0:a0f7c6807a3a 11 I2C i2cAcc(I2C_SDA, I2C_SCL);
tifo 0:a0f7c6807a3a 12
tifo 0:a0f7c6807a3a 13 void ADXL_ISR();
tifo 0:a0f7c6807a3a 14
tifo 0:a0f7c6807a3a 15 int main() {
tifo 0:a0f7c6807a3a 16
tifo 0:a0f7c6807a3a 17 i2cAcc.frequency(100000);
tifo 0:a0f7c6807a3a 18
tifo 0:a0f7c6807a3a 19 adxl.powerOn(); // Power on the ADXL345
tifo 0:a0f7c6807a3a 20
tifo 0:a0f7c6807a3a 21 adxl.setRangeSetting(8); // Give the range settings
tifo 0:a0f7c6807a3a 22 // Accepted values are 2g, 4g, 8g or 16g
tifo 0:a0f7c6807a3a 23 // Higher Values = Wider Measurement Range
tifo 0:a0f7c6807a3a 24 // Lower Values = Greater Sensitivity
tifo 0:a0f7c6807a3a 25
tifo 0:a0f7c6807a3a 26
tifo 0:a0f7c6807a3a 27 adxl.setActivityXYZ(1, 0, 0); // Set to activate movement detection in the axes "adxl.setActivityXYZ(X, Y, Z);" (1 == ON, 0 == OFF)
tifo 0:a0f7c6807a3a 28 adxl.setActivityThreshold(75); // 62.5mg per increment // Set activity // Inactivity thresholds (0-255)
tifo 0:a0f7c6807a3a 29
tifo 0:a0f7c6807a3a 30 adxl.setInactivityXYZ(1, 0, 0); // Set to detect inactivity in all the axes "adxl.setInactivityXYZ(X, Y, Z);" (1 == ON, 0 == OFF)
tifo 0:a0f7c6807a3a 31 adxl.setInactivityThreshold(75); // 62.5mg per increment // Set inactivity // Inactivity thresholds (0-255)
tifo 0:a0f7c6807a3a 32 adxl.setTimeInactivity(10); // How many seconds of no activity is inactive?
tifo 0:a0f7c6807a3a 33
tifo 0:a0f7c6807a3a 34 adxl.setTapDetectionOnXYZ(0, 0, 1); // Detect taps in the directions turned ON "adxl.setTapDetectionOnX(X, Y, Z);" (1 == ON, 0 == OFF)
tifo 0:a0f7c6807a3a 35
tifo 0:a0f7c6807a3a 36 // Set values for what is considered a TAP and what is a DOUBLE TAP (0-255)
tifo 0:a0f7c6807a3a 37 adxl.setTapThreshold(50); // 62.5 mg per increment
tifo 0:a0f7c6807a3a 38 adxl.setTapDuration(15); // 625 μs per increment
tifo 0:a0f7c6807a3a 39 adxl.setDoubleTapLatency(80); // 1.25 ms per increment
tifo 0:a0f7c6807a3a 40 adxl.setDoubleTapWindow(200); // 1.25 ms per increment
tifo 0:a0f7c6807a3a 41
tifo 0:a0f7c6807a3a 42 // Set values for what is considered FREE FALL (0-255)
tifo 0:a0f7c6807a3a 43 adxl.setFreeFallThreshold(10); // (5 - 9) recommended - 62.5mg per increment
tifo 0:a0f7c6807a3a 44 adxl.setFreeFallDuration(10); // (20 - 70) recommended - 5ms per increment
tifo 0:a0f7c6807a3a 45
tifo 0:a0f7c6807a3a 46 // Setting all interupts to take place on INT1 pin
tifo 0:a0f7c6807a3a 47 adxl.setImportantInterruptMapping(1, 1, 1, 1, 1); // Sets "adxl.setEveryInterruptMapping(single tap, double tap, free fall, activity, inactivity);"
tifo 0:a0f7c6807a3a 48 // Accepts only 1 or 2 values for pins INT1 and INT2. This chooses the pin on the ADXL345 to use for Interrupts.
tifo 0:a0f7c6807a3a 49 // This library may have a problem using INT2 pin. Default to INT1 pin.
tifo 0:a0f7c6807a3a 50
tifo 0:a0f7c6807a3a 51 // Turn on Interrupts for each mode (1 == ON, 0 == OFF)
tifo 0:a0f7c6807a3a 52 adxl.InactivityINT(1);
tifo 0:a0f7c6807a3a 53 adxl.ActivityINT(1);
tifo 0:a0f7c6807a3a 54 adxl.FreeFallINT(1);
tifo 0:a0f7c6807a3a 55 adxl.doubleTapINT(1);
tifo 0:a0f7c6807a3a 56 adxl.singleTapINT(1);
tifo 0:a0f7c6807a3a 57
tifo 0:a0f7c6807a3a 58
tifo 0:a0f7c6807a3a 59 mySerial.printf("SparkFun ADXL345 Accelerometer Hook Up Guide Example\n");
tifo 0:a0f7c6807a3a 60
tifo 0:a0f7c6807a3a 61
tifo 0:a0f7c6807a3a 62
tifo 0:a0f7c6807a3a 63 while(1) {
tifo 0:a0f7c6807a3a 64
tifo 0:a0f7c6807a3a 65 // Accelerometer Readings
tifo 0:a0f7c6807a3a 66 //int x,y,z;
tifo 0:a0f7c6807a3a 67 //adxl.readAccel(&x, &y, &z); // Read the accelerometer values and store them in variables declared above x,y,z
tifo 0:a0f7c6807a3a 68
tifo 0:a0f7c6807a3a 69 // Output Results to Serial
tifo 0:a0f7c6807a3a 70 /* UNCOMMENT TO VIEW X Y Z ACCELEROMETER VALUES */
tifo 0:a0f7c6807a3a 71 //mySerial.printf("X: %i\nY: %i\nZ: %i\n================\n", x, y, z);
tifo 0:a0f7c6807a3a 72 //wait(2);
tifo 0:a0f7c6807a3a 73
tifo 0:a0f7c6807a3a 74 ADXL_ISR();
tifo 0:a0f7c6807a3a 75 // You may also choose to avoid using interrupts and simply run the functions within ADXL_ISR();
tifo 0:a0f7c6807a3a 76 // and place it within the loop instead.
tifo 0:a0f7c6807a3a 77 // This may come in handy when it doesn't matter when the action occurs.
tifo 0:a0f7c6807a3a 78
tifo 0:a0f7c6807a3a 79 }
tifo 0:a0f7c6807a3a 80 }
tifo 0:a0f7c6807a3a 81
tifo 0:a0f7c6807a3a 82
tifo 0:a0f7c6807a3a 83 /********************* ISR *********************/
tifo 0:a0f7c6807a3a 84 /* Look for Interrupts and Triggered Action */
tifo 0:a0f7c6807a3a 85 void ADXL_ISR() {
tifo 0:a0f7c6807a3a 86
tifo 0:a0f7c6807a3a 87 // getInterruptSource clears all triggered actions after returning value
tifo 0:a0f7c6807a3a 88 // Do not call again until you need to recheck for triggered actions
tifo 0:a0f7c6807a3a 89 int interrupts = adxl.getInterruptSource();
tifo 0:a0f7c6807a3a 90
tifo 0:a0f7c6807a3a 91 // Free Fall Detection
tifo 0:a0f7c6807a3a 92 if(adxl.triggered(interrupts, ADXL345_FREE_FALL)){
tifo 0:a0f7c6807a3a 93 mySerial.printf("*** FREE FALL ***\n");
tifo 0:a0f7c6807a3a 94 //add code here to do when free fall is sensed
tifo 0:a0f7c6807a3a 95 }
tifo 0:a0f7c6807a3a 96
tifo 0:a0f7c6807a3a 97 // Inactivity
tifo 0:a0f7c6807a3a 98 if(adxl.triggered(interrupts, ADXL345_INACTIVITY)){
tifo 0:a0f7c6807a3a 99 mySerial.printf("*** INACTIVITY ***\n");
tifo 0:a0f7c6807a3a 100 //add code here to do when inactivity is sensed
tifo 0:a0f7c6807a3a 101 }
tifo 0:a0f7c6807a3a 102
tifo 0:a0f7c6807a3a 103 // Activity
tifo 0:a0f7c6807a3a 104 if(adxl.triggered(interrupts, ADXL345_ACTIVITY)){
tifo 0:a0f7c6807a3a 105 mySerial.printf("*** ACTIVITY ***\n");
tifo 0:a0f7c6807a3a 106 //add code here to do when activity is sensed
tifo 0:a0f7c6807a3a 107 }
tifo 0:a0f7c6807a3a 108
tifo 0:a0f7c6807a3a 109 // Double Tap Detection
tifo 0:a0f7c6807a3a 110 if(adxl.triggered(interrupts, ADXL345_DOUBLE_TAP)){
tifo 0:a0f7c6807a3a 111 mySerial.printf("*** DOUBLE TAP ***\n");
tifo 0:a0f7c6807a3a 112 //add code here to do when a 2X tap is sensed
tifo 0:a0f7c6807a3a 113 }
tifo 0:a0f7c6807a3a 114
tifo 0:a0f7c6807a3a 115 // Tap Detection
tifo 0:a0f7c6807a3a 116 if(adxl.triggered(interrupts, ADXL345_SINGLE_TAP)){
tifo 0:a0f7c6807a3a 117 mySerial.printf("*** TAP ***\n");
tifo 0:a0f7c6807a3a 118 //add code here to do when a tap is sensed
tifo 0:a0f7c6807a3a 119 }
tifo 0:a0f7c6807a3a 120 }
tifo 0:a0f7c6807a3a 121