Example program for the DS1820 library. It searches for connected devices, reports their addresses, and then displays their temperatures.

Dependencies:   DS1820 mbed

Fork of DS1820_HelloWorld by Erik -

Files at this revision

API Documentation at this revision

Comitter:
JLarkin
Date:
Thu Mar 09 04:04:16 2017 +0000
Parent:
4:01060b5e01b4
Commit message:
Example DS1820 program reports device IDs and then reports temps

Changed in this revision

DS1820.lib Show annotated file Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file
diff -r 01060b5e01b4 -r a870fb672587 DS1820.lib
--- a/DS1820.lib	Fri Jan 13 18:30:37 2017 +0000
+++ b/DS1820.lib	Thu Mar 09 04:04:16 2017 +0000
@@ -1,1 +1,1 @@
-http://mbed.org/users/Sissors/code/DS1820/#c591209285e9
+https://developer.mbed.org/teams/Whitworth-EN173-Resources/code/DS1820/#00ec4f27d7f5
diff -r 01060b5e01b4 -r a870fb672587 main.cpp
--- a/main.cpp	Fri Jan 13 18:30:37 2017 +0000
+++ b/main.cpp	Thu Mar 09 04:04:16 2017 +0000
@@ -1,5 +1,5 @@
 #define MULTIPLE_PROBES
-#define DATA_PIN        A0
+#define DATA_PIN        p25
 
 
 #ifdef MULTIPLE_PROBES
@@ -21,11 +21,22 @@
             break;
     }
     
-    printf("Found %d device(s)\r\n\n", num_devices);
+    printf("Found %d device(s)\r\n", num_devices);
+    unsigned long long fullName;
+    unsigned int firstName;
+    unsigned int lastName;
+    for (int i = 0; i<num_devices; i++) {
+        fullName = probe[i]->whoAmI();
+        firstName = fullName >> 32;
+        lastName = fullName;
+        printf("\tID %d = %x%x\r\n", i, firstName, lastName);
+    }
+    printf("\n");
+    
     while(1) {
         probe[0]->convertTemperature(true, DS1820::all_devices);         //Start temperature conversion, wait until ready
         for (int i = 0; i<num_devices; i++)
-            printf("Device %d returns %3.1foC\r\n", i, probe[i]->temperature());
+            printf("%3.1f C\t", i, probe[i]->temperature());
         printf("\r\n");
         wait(1);
     }