Jing Qiu / Mbed 2 deprecated Pacemaker

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Dependencies:   TextLCD mbed-rtos mbed

Fork of Pacemaker by pacemaker team

Files at this revision

API Documentation at this revision

Revision 18:e0bc54c0dbeb, committed 2014-12-02

Comitter:
Jing_Qiu
Date:
Tue Dec 02 22:12:44 2014 +0000
Parent:
17:6c44d5317c49
Commit message:
updated with fixes from mbed testing

Changed in this revision

main.cpp Show annotated file Show diff for this revision Revisions of this file 
--- a/main.cpp	Tue Dec 02 00:14:53 2014 +0000
+++ b/main.cpp	Tue Dec 02 22:12:44 2014 +0000
@@ -23,8 +23,8 @@
 #define VRP_h 500
 #define VRP_l 150
 #define BM(x) (1<<(x))
-#define PULSE_WIDTH_V 200
-#define PULSE_WIDTH_A 100
+#define PULSE_WIDTH_V 10
+#define PULSE_WIDTH_A 10
 
 TextLCD lcd(p15, p16, p17, p18, p19, p20, TextLCD::LCD16x2);
 
@@ -46,8 +46,8 @@
 InterruptIn atrial_int(p21); // double check me
 InterruptIn vent_int(p22); // me too
 
-const int a_pace = 3; //pin 23  a pace output
-const int v_pace = 2; //pin 24  v pace output
+DigitalOut aPace(p23);
+DigitalOut vPace(p24);
 
 bool aSensed = 0; // 0 means that we are expecting Apace or Asense next
 DigitalOut led1(LED1);   //apace
@@ -57,9 +57,6 @@
 
 void initTimer();
 void startTimer();
-void initGPIO_outputs();
-void setGPIO(const int pinName);
-void clearGPIO(const int pinName);
 
 void asense();
 void vsense();
@@ -71,9 +68,9 @@
 void apace()
 {
     led1 = 1;
-    setGPIO(a_pace);
-    wait_us(PULSE_WIDTH_A);
-    clearGPIO(a_pace); 
+    aPace = 1;
+    wait_ms(PULSE_WIDTH_A);
+    aPace = 0;
     led1 = 0;   
     beat++;
     
@@ -82,31 +79,12 @@
 void vpace()
 {
     led2= 1;
-    setGPIO(v_pace);
-    wait_us(PULSE_WIDTH_V);
-    clearGPIO(v_pace);  
+    vPace = 1;
+    wait_ms(PULSE_WIDTH_V);
+    vPace = 0;
     led2 = 0;
 }
 
-void initGPIO_outputs()
-{
-    LPC_SC->PCONP |= 1<<15;
-    LPC_GPIO2->FIODIR |= 1<<5;
-    LPC_GPIO2->FIODIR |= 1<<3;
-    LPC_GPIO2->FIODIR &= ~(1<<1);
-    LPC_GPIO2->FIODIR &= ~(1<<2);
-}
-
-void setGPIO(const int pinName)
-{
-    LPC_GPIO2->FIOPIN |= (1<<pinName);
-}
-
-void clearGPIO(const int pinName)
-{
-    LPC_GPIO2->FIOPIN &= ~(1<<pinName);
-}
-
 void initTimer()
 {
     // set up OS timer (timer0)
@@ -152,6 +130,8 @@
         aSensed = 0;
      }
      led3 = 1;
+     wait_ms(PULSE_WIDTH_A);
+     led3 = 0;
      
 }
 
@@ -162,6 +142,8 @@
         beat++;
     }
     led4 = 1;
+    wait_ms(PULSE_WIDTH_V);
+    led4 = 0;
 }
 
 void button_handler(void const *args)
@@ -222,7 +204,6 @@
 
 void pacemaker_thread_handler(void const *args)
 {
-    initGPIO_outputs();
     
     /**********************************************************
     ************Initialize timer to interrupt every 1 ms*********
@@ -231,8 +212,6 @@
     initTimer();
     startTimer();
     
-    atrial_int.rise(&asense);
-    vent_int.rise(&vsense);
     while(1){}    
     
 }
@@ -280,7 +259,8 @@
 
 int main (void) {
     //TODO set parameters
-    
+    atrial_int.rise(&asense);
+    vent_int.rise(&vsense);
 
     Thread display(display_thread_handler);
     Thread keyboard(button_handler);