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mbed heart
Dependencies: TextLCD mbed-rtos mbed
PMTest.cpp
- Committer:
- lucastai
- Date:
- 2015-12-02
- Revision:
- 8:0f92ac2b9d0e
- Parent:
- 7:1c32e8f6bde8
- Child:
- 9:917f6d407d78
File content as of revision 8:0f92ac2b9d0e:
#include "mbed.h" #include "LPC17xx.h" #include "TextLCD.h" #include "rtos.h" #include "Thread.h" DigitalOut vsense(p23); DigitalOut asense(p24); DigitalIn apace(p22); DigitalIn vpace(p21); Ticker rate_monitor; TextLCD lcd(p15, p16, p17, p18, p19, p20, TextLCD::LCD20x4); // rs, e, d4-d7 volatile int beats = 0; volatile double bpm = 0; DigitalOut led_apace(LED1); DigitalOut led_vpace(LED2); DigitalOut led_asense(LED3); DigitalOut led_vsense(LED4); Serial serial_in(USBTX, USBRX); int test_time_count; int curr_test; int minwaitV = 200; int minwaitA = 400; int obs_int = 10; int needs_num_input = 0; enum mode {RANDOM,MANUAL,TEST}; mode test_curr_mode = RANDOM; Timer t; void test_LRI(){ Timer test_timer; test_timer.start(); // wait for next vpace while(vpace != 1){} serial_in.printf("LRI: The separation between Ventricle events was %i ", test_timer.read_ms()); } void test_PVARP(){ Timer test_timer; test_timer.start(); while(apace != 1){} serial_in.printf("PVARP: The separation between Ventricular and Atrial events was %i ", test_timer.read_ms()); } void test_VRP(){ Timer test_timer; test_timer.start(); while(vpace != 1 || vsense != 1){} serial_in.printf("VRP: The separation between Ventricle events was %i ", test_timer.read_ms()); } void test_AVI(){ Timer test_timer; test_timer.start(); while(vpace != 1){} serial_in.printf("AVI: The separation between Atrial and Ventricle events was %i ", test_timer.read_ms()); } void test_AVI2(){ Timer test_timer; test_timer.start(); while(apace != 1){} serial_in.printf("LRI-AVI: The separation between Ventricle and Atrial events was %i ", test_timer.read_ms()); } void random_heart(void const *args) { t.reset(); t.start(); while(1){ while(test_curr_mode == RANDOM) { int r = rand(); if(r%2 == 0) { serial_in.printf("timer was %i",t.read_ms()); if(1) { led_asense = 1; asense = 1; serial_in.printf("| ASENSE FIRED |"); Thread::wait(10); asense = 0; led_asense = 0; t.reset(); }else{ Thread::wait(100); } } else { if(1) { led_vsense = 1; vsense = 1; serial_in.printf("| VSENSE FIRED | "); Thread::wait(10); vsense = 0; beats++; led_vsense = 0; t.reset(); }else{ Thread::wait(100); } } Thread::wait(150); } } } void pm_beat_update(void const *args){ while(1){ lcd.locate(0,0); lcd.printf("BPM: %.1f ", bpm); } } void kbd_intrp() { char a = serial_in.getc(); serial_in.printf("char was " + a); if(needs_num_input) { // DO O handling needs_num_input = 0; return; } if(a == 'R') { test_curr_mode = RANDOM; } else if(a == 'T') { test_curr_mode = TEST; } else if(a == 'M') { test_curr_mode = MANUAL; } if(a == 'A' && test_curr_mode == MANUAL) { asense = 1; Thread::wait(10); asense = 0; } if(a == 'V' && test_curr_mode == MANUAL) { vsense = 1; Thread::wait(10); vsense = 0; } } void rec_apace(){ led_apace = 1; serial_in.printf("| A FIRED |"); Thread::wait(10); led_apace = 0; } void rec_vpace(){ led_vpace = 1; serial_in.printf("| V FIRED |"); Thread::wait(10); led_vpace = 0; } void heart_response1(void const *args){ while(1){ if(apace == 1){ rec_apace(); } } } void heart_response2(void const *args){ while(1){ if(vpace == 1){ rec_vpace(); } } } // interrupt function void interrupt_and_run_test() { // zero timer, set for 1ms interrupt // wait for atrial pulse // check if timer was within event // send vsense // send asense // check if timer was in event // wait for vpace // wait for atrial pulse // check if timer was within event } void update_display() { bpm = beats / (double) obs_int * 60; //reset count beats = 0; } int main(void) { Thread t3(random_heart, (void *)""); Thread t2(heart_response1, (void *)""); Thread t4(heart_response2, (void *)""); Thread t5(pm_beat_update, (void *)""); rate_monitor.attach(&update_display, obs_int); char a = 'Z'; while(1) { if(serial_in.readable()) { a = serial_in.getc(); serial_in.printf("GOT %c!!",a); if (needs_num_input) { if (a >= '0' && a <= '9') { // update observation interval obs_int = (a - '0' + 1) * 5; needs_num_input = 0; rate_monitor.attach(&update_display, obs_int); serial_in.printf("Set observation interval to %d seconds\n", obs_int); } else { serial_in.printf("Expected numeric key\n"); } } if(a == 'R') { serial_in.printf("GOT R!!"); test_curr_mode = RANDOM; } else if(a == 'T') { serial_in.printf("GOT T!!"); test_curr_mode = TEST; } else if(a == 'M') { serial_in.printf("GOT M!!"); test_curr_mode = MANUAL; } else if(a == 'O') { serial_in.printf("GOT obs!!"); needs_num_input = 1; } if(a == 'A' && test_curr_mode == MANUAL) { asense = 1; Thread::wait(10); asense = 0; } if(a == 'V' && test_curr_mode == MANUAL) { vsense = 1; Thread::wait(10); vsense = 0; } while(serial_in.readable()){ serial_in.printf("GOT TO CONSUME!!",a); serial_in.getc(); } } } }