Diff: main.cpp

Revision:

0:711e5c134396

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Apr 28 07:34:00 2014 +0000
@@ -0,0 +1,94 @@
+#include "mbed.h"
+#include "DS1307.h"
+#include "1wire.h"
+
+DS1307 rtc(PTE0, PTE1);
+OneWire ow(A4, A2, A3);
+
+Serial pc(USBTX, USBRX, "pc");
+
+
+int main() 
+{
+    Timer t;
+    char c;
+
+    pc.printf("\n\n\n\n*************************************\n");
+    pc.printf("* r - reads the clock\n");
+    pc.printf("* w - write the clock\n");
+    pc.printf("* c - convert temperatures\n");
+    pc.printf("* t - search 1wire and list read temperatures\n");
+    pc.printf("*************************************\n\n");
+    
+    while (1) 
+    {
+        c = pc.getc();
+        if (c == 'r') {
+            //  perform read
+            t.reset();
+            t.start();
+            time_t m_time = rtc.now();
+            t.stop();
+
+            struct tm *now;
+            now = localtime(&m_time);
+            
+            pc.printf("Current time is %lu, %02d:%02d:%02d, %d.%d.%04d\n", 
+                m_time, 
+                now->tm_hour, now->tm_min, now->tm_sec, 
+                now->tm_mday, now->tm_mon+1, now->tm_year+1900
+            );
+            pc.printf("Internal datetime format is %s\n", asctime(now));
+            pc.printf("Read complete, elapsed %uus\n", t.read_us());
+            
+        }
+        else if (c == 'w') {
+            //  perform write
+            int date, month, year, hours, minutes, seconds;
+            pc.printf("Enter the date (date 1..31)\n"); pc.scanf("%d", &date);
+            pc.printf("Enter the date (month 1..12)\n"); pc.scanf("%d", &month);
+            pc.printf("Enter the date (year >2000)\n"); pc.scanf("%d", &year);
+            pc.printf("Enter the time (hours 0..23)\n"); pc.scanf("%d", &hours);
+            pc.printf("Enter the time (minutes 0..59)\n"); pc.scanf("%d", &minutes);
+            pc.printf("Enter the time (seconds 0..59)\n"); pc.scanf("%d", &seconds);
+            
+            struct tm now = {seconds, minutes, hours, date, month-1, year-1900};
+            time_t m_time = mktime(&now);
+                
+            t.reset();
+            t.start();
+            bool b = rtc.set_time(m_time);
+            t.stop();
+            
+            pc.printf("Write complete (UNIX %lu, result %d), elapsed %uus\n", m_time, b, t.read_us());
+        }
+        else if (c == 'c') {
+            ow.ConvertAll(true);
+            pc.printf("Convert done\n");
+        }
+        else if (c == 't') {
+            int result, temp;
+            uint8_t rom[8];
+            
+            memset(rom, 0, sizeof(rom));
+            result = ow.First(rom);
+            while (result == OW_FOUND) {
+                for (int i = 0; i < 8; i++) pc.printf("%.2X", rom[i]);
+                
+                t.reset();
+                t.start();
+                int b = ow.ReadTemperature(rom, &temp);
+                t.stop();
+                if (b) pc.printf(": read failed, code 0x%.4x, elapsed %uus\n", b, t.read_us());
+                else pc.printf(": read ok, temperature %.2f'C, elapsed %uus\n", temp / 100., t.read_us());
+                
+                result = ow.Next(rom);
+            }
+            pc.printf("Done\n");
+        }
+        else {
+            pc.printf("Syntax error\n");
+        }
+        pc.printf("\n");
+    }
+}