Diff: main.cpp

Revision:

0:a2863bac98c1

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Nov 15 05:35:24 2018 +0000
@@ -0,0 +1,73 @@
+#include "mbed.h"
+#include "DS1820.h"
+
+#define DATA_PIN        PA_0 
+#define MAX_PROBES      1
+ 
+Thread      data_thread;
+EventQueue          queue;
+ 
+DS1820* probe[MAX_PROBES];
+
+DigitalOut led1(LED1);
+
+/*
+    quene 3sec.
+*/
+void send_temperature()
+{
+    float c = 0x111;
+    unsigned char cc = 0;
+ 
+    cc = ((unsigned char) c);
+    printf("Temperature_1=%d \r\n", cc);
+}
+
+/*
+    Booting one time Thread.
+*/
+void data_thread_fun()
+{
+    printf("thread start\r\n");
+
+    queue.call_every(3000, send_temperature);
+    //queue.call_every(3000, send_temperature_2);
+    //queue.call_every(3000, send_temperature_3);
+    //queue.call_every(3000, send_temperature_4);    
+
+    queue.dispatch();    
+}
+
+// main() runs in its own thread in the OS
+int main() {
+    int num_devices = 0;
+    
+    /* function to see if there are ds1820 devices left on a pin which do not have a corresponding ds1820 object */
+    while(DS1820::unassignedProbe(DATA_PIN)) {
+        probe[num_devices] = new DS1820(DATA_PIN);
+        num_devices++;
+        
+        if (num_devices == MAX_PROBES)
+            break;
+    }    
+ 
+    printf("Found %d device(s)\r\n\n", num_devices);
+  
+    data_thread.start(data_thread_fun); 
+    
+    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("\r\n");
+        wait(1);
+    }
+
+//    while (true) {
+//       led1 = !led1;
+//        wait(0.5);
+//    }
+}
+