Paul Staron
Si-Labs EFM32 Back Up domain and BUrtc demo.
Dependencies: EFM32_BUrtc EFM32_CapSenseSlider EFM32_SegmentLCD mbed
Revision 0:dc30d5f06316, committed 2016-05-16
- Comitter:
- star297
- Date:
- Mon May 16 23:12:55 2016 +0000
- Child:
- 1:1b7650724a0f
- Commit message:
- Rev 1.0
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/EFM32_BUrtc.lib Mon May 16 23:12:55 2016 +0000 @@ -0,0 +1,1 @@ +EFM32_BUrtc#7756f444d879
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/EFM32_CapSense.lib Mon May 16 23:12:55 2016 +0000 @@ -0,0 +1,1 @@ +https://developer.mbed.org/teams/SiliconLabs/code/EFM32_CapSenseSlider/#8d096e5bc045
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/EFM32_SegmentLCD.lib Mon May 16 23:12:55 2016 +0000 @@ -0,0 +1,1 @@ +https://developer.mbed.org/teams/SiliconLabs/code/EFM32_SegmentLCD/#114aa75da77b
--- /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);
+}
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Mon May 16 23:12:55 2016 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/7c328cabac7e \ No newline at end of file