Diff: main.cpp

Revision:

0:dc30d5f06316

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon May 16 23:12:55 2016 +0000
@@ -0,0 +1,97 @@
+
+#include "mbed.h"
+#include "EFM32_SegmentLCD.h"
+#include "EFM32_CapSenseSlider.h"
+#include "BUrtc.h"
+
+silabs::EFM32_SegmentLCD segmentDisplay;
+silabs::EFM32_CapSenseSlider capSlider;
+
+InterruptIn MinMonth(SW0);
+InterruptIn HourDate(SW1);
+
+DigitalOut led1(LED1);
+DigitalOut led2(LED2);
+
+char timebuff[20], lcdTime[8];
+int initialized = false;
+int month,date,lcdDate,slider;
+
+struct tm t;
+
+void displayRefresh(),timeSet(),dateSet();
+
+int main()
+{
+    // set up BU domain and BUrtc if not started, else restore system RTC from BUrtc
+    BUrtcInit();
+    
+    // set the reset time
+    t.tm_sec    = 0;    // 0-59
+    t.tm_min    = 0;    // 0-59
+    t.tm_hour   = 0;   // 0-23
+    t.tm_mday   = 17;   // 1-31
+    t.tm_mon    = 4;    // 0-11
+    t.tm_year   = 116;  // years since 1900
+    
+    // time setting button interrupts
+    HourDate.fall(&timeSet);
+    MinMonth.fall(&timeSet);
+    capSlider.start();
+    capSlider.attach_slide(-1, dateSet);
+
+    while(1) {
+
+        // Sleep while waiting for interrupt
+        EMU_EnterEM2(true);
+        // Run display update code on wake up
+        displayRefresh();
+    }
+}
+
+void displayRefresh()
+{    
+     if (!initialized) {
+            segmentDisplay.Symbol(LCD_SYMBOL_COL3,true);
+            segmentDisplay.Symbol(LCD_SYMBOL_COL5,true);
+            SegmentLCD_Symbol(LCD_SYMBOL_DP10, true);
+            // set time if RTC is reset
+            if(time(NULL)<10) {
+                RTCset(mktime(&t));
+            }
+            initialized = true;
+        }
+        time_t seconds = time(NULL);
+        strftime(timebuff, 2,"%d", localtime(&seconds));
+        date = atoi(timebuff);
+        strftime(timebuff, 2,"%m", localtime(&seconds));
+        month = atoi(timebuff);
+        lcdDate = ((date %31)* 100 + (month % 12));
+        strftime(lcdTime,8,"%H%M%S", localtime(&seconds));
+
+        SegmentLCD_Write(lcdTime);
+        segmentDisplay.Number(lcdDate);
+        segmentDisplay.Symbol(LCD_SYMBOL_EFM32, seconds & 0x1);
+        led1=0;led2=0;
+}
+
+void dateSet() {
+    
+    // set date by tapping slider, slow and fast settings    
+    slider = capSlider.get_position();
+    led2=!led2;    
+    time_t seconds = time(NULL);  
+    seconds=seconds + (86400 * (slider/10));    
+    RTCset(seconds);    
+}
+
+void timeSet()
+{
+    // set hours and minutes with buttons, set date first, can't go backwards
+    led1=!led1;
+    time_t seconds = time(NULL);  
+    if(MinMonth){seconds=seconds+60;}
+    if(HourDate){seconds=seconds+3600;}     
+    RTCset(seconds);    
+}
+