Diff: patients.h

Revision:

1:060801821b1c

Parent:

0:c435f76658b2

--- a/patients.h	Thu Nov 02 18:31:39 2017 +0000
+++ b/patients.h	Thu Nov 02 21:22:34 2017 +0000
@@ -1,5 +1,16 @@
-// Some functions use the serial monitor so define it here.
-Serial pc(USBTX,USBRX);
+/*
+   Project: PatientStructure
+   File: patients.h (v. 1.0)
+   
+   Header file for patient data base using structure example. See main.cpp
+   for details.
+   
+   Modified by Dr. C. S. Tritt
+*/
+// Defined in main. Used in main & patients.cpp, so declare in header file. 
+// extern is rerequied to avoid duplicate objects that result in a linker
+// error.
+extern Serial pc;
 
 // The patient_record structure stores name and vitals for a patient.
 struct patient_record {
@@ -15,69 +26,18 @@
 #define MAX_PATIENTS 100
 
 //Print the values in the structure for a particular patient.
-void print_patient_record(struct patient_record *first_patient, int N) {
-    pc.printf("%s %s \t ID: %d\n",first_patient[N].firstname, first_patient[N].lastname,N);
-    pc.printf("BP: %d/%d  SpO2: %f\n",first_patient[N].systolic, first_patient[N].diastolic, first_patient[N].spO2);
-}   
-
+void print_patient_record(struct patient_record *first_patient, int N);
 //Put patient into record.
-void newPatient(struct patient_record *patient,  char *first, char*last)
-{
-    // We can't just set the firstname pointer equal to the
-    // first pointer; that doesn't actually move the information into
-    // the structure.  We need to copy each letter of the patient's name
-    // into the structure.  strcpy does this.
-    strcpy(patient->firstname, first);
-    strcpy(patient->lastname,last);
-}
-
+void newPatient(struct patient_record *patient,  char *first, char*last);
 //Fill in vital signs directly.  Note that we use -> when we have a
 //pointer to a struct and we want to access one of the members.
-void recordBP(struct patient_record *patient, int sys, int dias, float o2) {
-    patient->systolic=sys;
-    patient->diastolic=dias;
-    patient->spO2 = o2;
-}
-
+void recordBP(struct patient_record *patient, int sys, int dias, float o2); 
 //Fill in vital signs through the serial monitor (for BP) and the oxygen sensor,
 //assumed to be an analog input giving the SpO2 level as a fraction.
-void recordBPinteractive(struct patient_record *first_patient, AnalogIn oxygen) {
-    int N;
-    int s;
-    int d;
-    
-    pc.printf("Enter the patient number:\n");
-    pc.scanf("%d",&N);
-    pc.printf("Enter the systolic BP:\n");
-    pc.scanf("%d",&s);
-    pc.printf("Enter the diastolic BP:\n");
-    pc.scanf("%d",&d);
-    
-    //Note that [N] turns first_patient into a struct rather than a
-    //pointer to a struct (dereferences the pointer).  Therefore, we
-    //use . to access members.
-    first_patient[N].systolic=s;
-    first_patient[N].diastolic=d;
-    first_patient[N].spO2=oxygen;
-    
-    //Print information to confirm
-    pc.printf("Data entered:\n");
-    print_patient_record(first_patient,N);
-}      
-
+void recordBPinteractive(struct patient_record *first_patient, AnalogIn oxygen);
 //Look up the patient number by searching through the array of patients
 //and matching the first and last name.  strcmp returns 0 if two strings
 //are identical.  Return the patient's position in the array if name is
 //found, -1 if it is not found.
-int lookup_patient_name(struct patient_record *first_patient,char*first,char*last)
-{
-    for(int k=0; k<MAX_PATIENTS; k++) {
-        if(strcmp(first_patient[k].lastname,last) == 0) {
-            if(strcmp(first_patient[k].firstname,first) == 0) {
-                return k;
-            }
-        }
-    }
-    return -1;
-}
-
+int lookup_patient_name(struct patient_record *first_patient, char*first,
+    char*last);
\ No newline at end of file