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Part of the Pacemaker Project; this models the Pacemaker.
Dependencies: mbed TextLCD mbed-rtos
PMTest.cpp@20:dc272bfaa276, 2015-11-30 (annotated)
- Committer:
- chadnach1
- Date:
- Mon Nov 30 21:38:54 2015 +0000
- Revision:
- 20:dc272bfaa276
- Parent:
- 8:5924b2048a27
- Child:
- 23:08456978fb78
filled in pm_sense method, still need to figure out Sense stuff;
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
lucastai | 8:5924b2048a27 | 1 | #include "mbed.h" |
lucastai | 8:5924b2048a27 | 2 | #include "LPC17xx.h" |
lucastai | 8:5924b2048a27 | 3 | #include "TextLCD.h" |
lucastai | 8:5924b2048a27 | 4 | #include "rtos.h" |
lucastai | 8:5924b2048a27 | 5 | #include "Thread.h" |
lucastai | 8:5924b2048a27 | 6 | |
lucastai | 8:5924b2048a27 | 7 | DigitalOut vsense(p23); |
lucastai | 8:5924b2048a27 | 8 | DigitalOut asense(p24); |
chadnach1 | 20:dc272bfaa276 | 9 | DigitalIn apace(p22); |
chadnach1 | 20:dc272bfaa276 | 10 | DigitalIn vpace(p21); |
lucastai | 8:5924b2048a27 | 11 | |
lucastai | 8:5924b2048a27 | 12 | int timer_count; |
lucastai | 8:5924b2048a27 | 13 | int curr_test; |
lucastai | 8:5924b2048a27 | 14 | |
lucastai | 8:5924b2048a27 | 15 | int[][] testfunc; |
lucastai | 8:5924b2048a27 | 16 | |
lucastai | 8:5924b2048a27 | 17 | // hardware interrupt handler, adapted from code in piazza post by Dagaen |
lucastai | 8:5924b2048a27 | 18 | extern "C" void TIMER0_IRQHandler (void) |
lucastai | 8:5924b2048a27 | 19 | { |
lucastai | 8:5924b2048a27 | 20 | if((LPC_TIM0->IR & 0x01) == 0x01) // if MR0 interrupt, proceed |
lucastai | 8:5924b2048a27 | 21 | { |
lucastai | 8:5924b2048a27 | 22 | LPC_TIM0->IR |= 1 << 0; // Clear MR0 interrupt flag |
lucastai | 8:5924b2048a27 | 23 | timer_count++; //increment timer_count |
lucastai | 8:5924b2048a27 | 24 | } |
lucastai | 8:5924b2048a27 | 25 | } |
lucastai | 8:5924b2048a27 | 26 | |
lucastai | 8:5924b2048a27 | 27 | // init the hardware interrupt (timer0), adapted same as above |
lucastai | 8:5924b2048a27 | 28 | void timer0_init(int n) |
lucastai | 8:5924b2048a27 | 29 | { |
lucastai | 8:5924b2048a27 | 30 | LPC_SC->PCONP |=1<1; //timer0 power on |
lucastai | 8:5924b2048a27 | 31 | LPC_SC-> PCLKSEL0 |= 1 << 2; // set timer clock to CCLCK nondivided (1 clock cycle = 1 increment) |
lucastai | 8:5924b2048a27 | 32 | LPC_TIM0->MR0 = n; //100mhz clock cycle, 1 cycle = 10ns, 10ms = 10 000 000 ns = 1M cycles |
lucastai | 8:5924b2048a27 | 33 | LPC_TIM0->MCR = 3; //interrupt and reset control |
lucastai | 8:5924b2048a27 | 34 | //3 = Interrupt & reset timer0 on match (111) sets all three bits |
lucastai | 8:5924b2048a27 | 35 | NVIC_EnableIRQ(TIMER0_IRQn); //enable timer0 interrupt |
lucastai | 8:5924b2048a27 | 36 | } |
lucastai | 8:5924b2048a27 | 37 | |
lucastai | 8:5924b2048a27 | 38 | // interrupt function |
lucastai | 8:5924b2048a27 | 39 | void interrupt_and_run_test(){ |
lucastai | 8:5924b2048a27 | 40 | // zero timer, set for 1ms interrupt |
lucastai | 8:5924b2048a27 | 41 | timer0_init(100000) |
lucastai | 8:5924b2048a27 | 42 | |
lucastai | 8:5924b2048a27 | 43 | // wait for atrial pulse |
lucastai | 8:5924b2048a27 | 44 | while(apace != 1}{} |
lucastai | 8:5924b2048a27 | 45 | |
lucastai | 8:5924b2048a27 | 46 | // check if timer was within event |
lucastai | 8:5924b2048a27 | 47 | |
lucastai | 8:5924b2048a27 | 48 | if(timer_count < testfunc[curr_test][0]){ |
lucastai | 8:5924b2048a27 | 49 | printf("ATRIAL PULSE FOR TEST " + curr_test + " WAS WITHIN BOUNDS\n"); |
lucastai | 8:5924b2048a27 | 50 | } |
lucastai | 8:5924b2048a27 | 51 | |
lucastai | 8:5924b2048a27 | 52 | // send vsense |
lucastai | 8:5924b2048a27 | 53 | |
lucastai | 8:5924b2048a27 | 54 | while(timer_count < testfunc[curr_test][1]){}; |
lucastai | 8:5924b2048a27 | 55 | vpace = 1; |
lucastai | 8:5924b2048a27 | 56 | |
lucastai | 8:5924b2048a27 | 57 | // send asense |
lucastai | 8:5924b2048a27 | 58 | while(timer_count < testfunc[curr_test][2]){}; |
lucastai | 8:5924b2048a27 | 59 | apace = 1; |
lucastai | 8:5924b2048a27 | 60 | |
lucastai | 8:5924b2048a27 | 61 | // check if timer was in event |
lucastai | 8:5924b2048a27 | 62 | |
lucastai | 8:5924b2048a27 | 63 | // wait for vpace |
lucastai | 8:5924b2048a27 | 64 | |
lucastai | 8:5924b2048a27 | 65 | // wait for atrial pulse |
lucastai | 8:5924b2048a27 | 66 | while(vpace != 1}{} |
lucastai | 8:5924b2048a27 | 67 | |
lucastai | 8:5924b2048a27 | 68 | // check if timer was within event |
lucastai | 8:5924b2048a27 | 69 | |
lucastai | 8:5924b2048a27 | 70 | if(timer_count < testfunc[curr_test][0]){ |
lucastai | 8:5924b2048a27 | 71 | printf("VENT PULSE FOR TEST " + curr_test + " WAS WITHIN BOUNDS\n"); |
chadnach1 | 20:dc272bfaa276 | 72 | } |