Playing around with accelerometer and magnetometer on mbed KL46Z
Dependencies: MAG3110 MMA8451Q PinDetect mbed TSI
main.cpp@6:52474f03f1ff, 2014-02-03 (annotated)
- Committer:
- mohammmo
- Date:
- Mon Feb 03 23:09:01 2014 +0000
- Revision:
- 6:52474f03f1ff
- Parent:
- 5:4ccda4b4f345
FAILED attemp at serial interrupts
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
oliverfang | 0:648dde0c4ef8 | 1 | #include "mbed.h" |
oliverfang | 0:648dde0c4ef8 | 2 | #include "PinDetect.h" |
oliverfang | 0:648dde0c4ef8 | 3 | #include "MMA8451Q.h" |
oliverfang | 0:648dde0c4ef8 | 4 | #include "MAG3110.h" |
mohammmo | 2:bb31f097af0f | 5 | #include "TSISensor.h" |
mohammmo | 6:52474f03f1ff | 6 | #include "serialCom.h" |
oliverfang | 0:648dde0c4ef8 | 7 | |
oliverfang | 0:648dde0c4ef8 | 8 | #define MMA8451_I2C_ADDRESS (0x1d<<1) |
oliverfang | 0:648dde0c4ef8 | 9 | |
oliverfang | 0:648dde0c4ef8 | 10 | // Declare output LEDs |
oliverfang | 0:648dde0c4ef8 | 11 | DigitalOut ledgreen(PTD5); |
oliverfang | 0:648dde0c4ef8 | 12 | DigitalOut ledred(PTE29); |
oliverfang | 0:648dde0c4ef8 | 13 | |
oliverfang | 0:648dde0c4ef8 | 14 | // Declare USB serial connection |
oliverfang | 0:648dde0c4ef8 | 15 | Serial pc(USBTX,USBRX); |
oliverfang | 0:648dde0c4ef8 | 16 | |
oliverfang | 0:648dde0c4ef8 | 17 | // Declare timer interrupt |
oliverfang | 0:648dde0c4ef8 | 18 | Ticker timerAcc; |
oliverfang | 0:648dde0c4ef8 | 19 | Ticker timerMag; |
mohammmo | 2:bb31f097af0f | 20 | Ticker timerLight; |
mohammmo | 2:bb31f097af0f | 21 | Ticker timerTouch; |
oliverfang | 0:648dde0c4ef8 | 22 | |
oliverfang | 0:648dde0c4ef8 | 23 | // Declare pointer variables |
oliverfang | 0:648dde0c4ef8 | 24 | float xAcc; |
oliverfang | 0:648dde0c4ef8 | 25 | float yAcc; |
oliverfang | 0:648dde0c4ef8 | 26 | float zAcc; |
oliverfang | 0:648dde0c4ef8 | 27 | int xMag; |
oliverfang | 0:648dde0c4ef8 | 28 | int yMag; |
oliverfang | 0:648dde0c4ef8 | 29 | int zMag; |
mohammmo | 2:bb31f097af0f | 30 | float xLight; |
mohammmo | 2:bb31f097af0f | 31 | float xTouch; |
oliverfang | 0:648dde0c4ef8 | 32 | |
oliverfang | 0:648dde0c4ef8 | 33 | // Declare Accelerometer pins and I2C address |
oliverfang | 0:648dde0c4ef8 | 34 | MMA8451Q acc(PTE25, PTE24, MMA8451_I2C_ADDRESS, 0, 0); |
oliverfang | 0:648dde0c4ef8 | 35 | // Declare Magnetometer pins |
oliverfang | 0:648dde0c4ef8 | 36 | MAG3110 mag(PTE25, PTE24); |
mohammmo | 2:bb31f097af0f | 37 | // Declare touch sensor pin |
mohammmo | 2:bb31f097af0f | 38 | TSISensor touch; |
mohammmo | 2:bb31f097af0f | 39 | // Declare light sensor pin |
mohammmo | 2:bb31f097af0f | 40 | AnalogIn light(PTE22); |
oliverfang | 0:648dde0c4ef8 | 41 | |
oliverfang | 0:648dde0c4ef8 | 42 | // Functions |
oliverfang | 0:648dde0c4ef8 | 43 | void init(); |
oliverfang | 0:648dde0c4ef8 | 44 | void accTime(); |
oliverfang | 0:648dde0c4ef8 | 45 | void magTime(); |
mohammmo | 2:bb31f097af0f | 46 | void lightTime(); |
mohammmo | 2:bb31f097af0f | 47 | void touchTime(); |
oliverfang | 0:648dde0c4ef8 | 48 | |
mohammmo | 6:52474f03f1ff | 49 | // Interupt Routine to write out data to serial port |
mohammmo | 6:52474f03f1ff | 50 | void Tx_interrupt() { |
mohammmo | 6:52474f03f1ff | 51 | // Loop to fill more than one character in UART's transmit FIFO buffer |
mohammmo | 6:52474f03f1ff | 52 | // Stop if buffer empty |
mohammmo | 6:52474f03f1ff | 53 | while ((pc.writeable()) && (tx_in != tx_out)) { |
mohammmo | 6:52474f03f1ff | 54 | pc.putc(tx_buffer[tx_out]); |
mohammmo | 6:52474f03f1ff | 55 | tx_out = (tx_out + 1) % buffer_size; |
mohammmo | 6:52474f03f1ff | 56 | } |
mohammmo | 6:52474f03f1ff | 57 | return; |
mohammmo | 6:52474f03f1ff | 58 | } |
mohammmo | 6:52474f03f1ff | 59 | |
oliverfang | 0:648dde0c4ef8 | 60 | void init() |
oliverfang | 0:648dde0c4ef8 | 61 | { |
oliverfang | 0:648dde0c4ef8 | 62 | // Attach timerAcc |
mohammmo | 5:4ccda4b4f345 | 63 | timerAcc.attach(&accTime, 0.05); |
mohammmo | 5:4ccda4b4f345 | 64 | timerMag.attach(&magTime, 0.05); |
mohammmo | 5:4ccda4b4f345 | 65 | timerLight.attach(&lightTime, 0.05); |
mohammmo | 5:4ccda4b4f345 | 66 | timerTouch.attach(&touchTime, 0.05); |
oliverfang | 0:648dde0c4ef8 | 67 | ledred = 0; |
oliverfang | 0:648dde0c4ef8 | 68 | ledgreen = 0; |
mohammmo | 6:52474f03f1ff | 69 | pc.attach(&Tx_interrupt, Serial::TxIrq); |
oliverfang | 0:648dde0c4ef8 | 70 | } |
oliverfang | 0:648dde0c4ef8 | 71 | |
oliverfang | 0:648dde0c4ef8 | 72 | int main() |
oliverfang | 0:648dde0c4ef8 | 73 | { |
oliverfang | 0:648dde0c4ef8 | 74 | // Initialize |
oliverfang | 0:648dde0c4ef8 | 75 | init(); |
oliverfang | 0:648dde0c4ef8 | 76 | |
oliverfang | 0:648dde0c4ef8 | 77 | while(1) |
oliverfang | 0:648dde0c4ef8 | 78 | { |
mohammmo | 5:4ccda4b4f345 | 79 | // read all sensor data |
mohammmo | 6:52474f03f1ff | 80 | sprintf(tx_line,"Hello world\r\n", xMag, yMag); |
mohammmo | 6:52474f03f1ff | 81 | send_line(pc); |
mohammmo | 5:4ccda4b4f345 | 82 | wait(0.05); |
oliverfang | 0:648dde0c4ef8 | 83 | } |
oliverfang | 0:648dde0c4ef8 | 84 | } |
oliverfang | 0:648dde0c4ef8 | 85 | |
oliverfang | 0:648dde0c4ef8 | 86 | void accTime() |
oliverfang | 0:648dde0c4ef8 | 87 | { |
oliverfang | 0:648dde0c4ef8 | 88 | xAcc = abs(acc.getAccX()); |
oliverfang | 0:648dde0c4ef8 | 89 | yAcc = abs(acc.getAccY()); |
oliverfang | 0:648dde0c4ef8 | 90 | zAcc = abs(acc.getAccZ()); |
oliverfang | 0:648dde0c4ef8 | 91 | ledgreen = !ledgreen; |
oliverfang | 0:648dde0c4ef8 | 92 | } |
oliverfang | 0:648dde0c4ef8 | 93 | |
oliverfang | 0:648dde0c4ef8 | 94 | void magTime() |
oliverfang | 0:648dde0c4ef8 | 95 | { |
oliverfang | 0:648dde0c4ef8 | 96 | xMag = mag.getXVal(); |
oliverfang | 0:648dde0c4ef8 | 97 | yMag = mag.getYVal(); |
oliverfang | 0:648dde0c4ef8 | 98 | zMag = mag.getZVal(); |
oliverfang | 0:648dde0c4ef8 | 99 | ledred = !ledred; |
mohammmo | 2:bb31f097af0f | 100 | } |
mohammmo | 2:bb31f097af0f | 101 | |
mohammmo | 2:bb31f097af0f | 102 | void lightTime() |
mohammmo | 2:bb31f097af0f | 103 | { |
mohammmo | 2:bb31f097af0f | 104 | xLight = 1 - light.read(); |
mohammmo | 2:bb31f097af0f | 105 | } |
mohammmo | 2:bb31f097af0f | 106 | |
mohammmo | 2:bb31f097af0f | 107 | void touchTime() |
mohammmo | 2:bb31f097af0f | 108 | { |
mohammmo | 2:bb31f097af0f | 109 | xTouch = 1 - touch.readPercentage(); |
oliverfang | 0:648dde0c4ef8 | 110 | } |