Paul Staron / Mbed 2 deprecated EFM32_BUrtc-Demo

Si-Labs EFM32 Back Up domain and BUrtc demo.

Dependencies:   EFM32_BUrtc EFM32_CapSenseSlider EFM32_SegmentLCD mbed

main.cpp@0:dc30d5f06316, 2016-05-16 (annotated)

Committer:
star297
Date:
Mon May 16 23:12:55 2016 +0000
Revision:
0:dc30d5f06316
Rev 1.0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
star297 0:dc30d5f06316 1
star297 0:dc30d5f06316 2 #include "mbed.h"
star297 0:dc30d5f06316 3 #include "EFM32_SegmentLCD.h"
star297 0:dc30d5f06316 4 #include "EFM32_CapSenseSlider.h"
star297 0:dc30d5f06316 5 #include "BUrtc.h"
star297 0:dc30d5f06316 6
star297 0:dc30d5f06316 7 silabs::EFM32_SegmentLCD segmentDisplay;
star297 0:dc30d5f06316 8 silabs::EFM32_CapSenseSlider capSlider;
star297 0:dc30d5f06316 9
star297 0:dc30d5f06316 10 InterruptIn MinMonth(SW0);
star297 0:dc30d5f06316 11 InterruptIn HourDate(SW1);
star297 0:dc30d5f06316 12
star297 0:dc30d5f06316 13 DigitalOut led1(LED1);
star297 0:dc30d5f06316 14 DigitalOut led2(LED2);
star297 0:dc30d5f06316 15
star297 0:dc30d5f06316 16 char timebuff[20], lcdTime[8];
star297 0:dc30d5f06316 17 int initialized = false;
star297 0:dc30d5f06316 18 int month,date,lcdDate,slider;
star297 0:dc30d5f06316 19
star297 0:dc30d5f06316 20 struct tm t;
star297 0:dc30d5f06316 21
star297 0:dc30d5f06316 22 void displayRefresh(),timeSet(),dateSet();
star297 0:dc30d5f06316 23
star297 0:dc30d5f06316 24 int main()
star297 0:dc30d5f06316 25 {
star297 0:dc30d5f06316 26 // set up BU domain and BUrtc if not started, else restore system RTC from BUrtc
star297 0:dc30d5f06316 27 BUrtcInit();
star297 0:dc30d5f06316 28
star297 0:dc30d5f06316 29 // set the reset time
star297 0:dc30d5f06316 30 t.tm_sec = 0; // 0-59
star297 0:dc30d5f06316 31 t.tm_min = 0; // 0-59
star297 0:dc30d5f06316 32 t.tm_hour = 0; // 0-23
star297 0:dc30d5f06316 33 t.tm_mday = 17; // 1-31
star297 0:dc30d5f06316 34 t.tm_mon = 4; // 0-11
star297 0:dc30d5f06316 35 t.tm_year = 116; // years since 1900
star297 0:dc30d5f06316 36
star297 0:dc30d5f06316 37 // time setting button interrupts
star297 0:dc30d5f06316 38 HourDate.fall(&timeSet);
star297 0:dc30d5f06316 39 MinMonth.fall(&timeSet);
star297 0:dc30d5f06316 40 capSlider.start();
star297 0:dc30d5f06316 41 capSlider.attach_slide(-1, dateSet);
star297 0:dc30d5f06316 42
star297 0:dc30d5f06316 43 while(1) {
star297 0:dc30d5f06316 44
star297 0:dc30d5f06316 45 // Sleep while waiting for interrupt
star297 0:dc30d5f06316 46 EMU_EnterEM2(true);
star297 0:dc30d5f06316 47 // Run display update code on wake up
star297 0:dc30d5f06316 48 displayRefresh();
star297 0:dc30d5f06316 49 }
star297 0:dc30d5f06316 50 }
star297 0:dc30d5f06316 51
star297 0:dc30d5f06316 52 void displayRefresh()
star297 0:dc30d5f06316 53 {
star297 0:dc30d5f06316 54 if (!initialized) {
star297 0:dc30d5f06316 55 segmentDisplay.Symbol(LCD_SYMBOL_COL3,true);
star297 0:dc30d5f06316 56 segmentDisplay.Symbol(LCD_SYMBOL_COL5,true);
star297 0:dc30d5f06316 57 SegmentLCD_Symbol(LCD_SYMBOL_DP10, true);
star297 0:dc30d5f06316 58 // set time if RTC is reset
star297 0:dc30d5f06316 59 if(time(NULL)<10) {
star297 0:dc30d5f06316 60 RTCset(mktime(&t));
star297 0:dc30d5f06316 61 }
star297 0:dc30d5f06316 62 initialized = true;
star297 0:dc30d5f06316 63 }
star297 0:dc30d5f06316 64 time_t seconds = time(NULL);
star297 0:dc30d5f06316 65 strftime(timebuff, 2,"%d", localtime(&seconds));
star297 0:dc30d5f06316 66 date = atoi(timebuff);
star297 0:dc30d5f06316 67 strftime(timebuff, 2,"%m", localtime(&seconds));
star297 0:dc30d5f06316 68 month = atoi(timebuff);
star297 0:dc30d5f06316 69 lcdDate = ((date %31)* 100 + (month % 12));
star297 0:dc30d5f06316 70 strftime(lcdTime,8,"%H%M%S", localtime(&seconds));
star297 0:dc30d5f06316 71
star297 0:dc30d5f06316 72 SegmentLCD_Write(lcdTime);
star297 0:dc30d5f06316 73 segmentDisplay.Number(lcdDate);
star297 0:dc30d5f06316 74 segmentDisplay.Symbol(LCD_SYMBOL_EFM32, seconds & 0x1);
star297 0:dc30d5f06316 75 led1=0;led2=0;
star297 0:dc30d5f06316 76 }
star297 0:dc30d5f06316 77
star297 0:dc30d5f06316 78 void dateSet() {
star297 0:dc30d5f06316 79
star297 0:dc30d5f06316 80 // set date by tapping slider, slow and fast settings
star297 0:dc30d5f06316 81 slider = capSlider.get_position();
star297 0:dc30d5f06316 82 led2=!led2;
star297 0:dc30d5f06316 83 time_t seconds = time(NULL);
star297 0:dc30d5f06316 84 seconds=seconds + (86400 * (slider/10));
star297 0:dc30d5f06316 85 RTCset(seconds);
star297 0:dc30d5f06316 86 }
star297 0:dc30d5f06316 87
star297 0:dc30d5f06316 88 void timeSet()
star297 0:dc30d5f06316 89 {
star297 0:dc30d5f06316 90 // set hours and minutes with buttons, set date first, can't go backwards
star297 0:dc30d5f06316 91 led1=!led1;
star297 0:dc30d5f06316 92 time_t seconds = time(NULL);
star297 0:dc30d5f06316 93 if(MinMonth){seconds=seconds+60;}
star297 0:dc30d5f06316 94 if(HourDate){seconds=seconds+3600;}
star297 0:dc30d5f06316 95 RTCset(seconds);
star297 0:dc30d5f06316 96 }
star297 0:dc30d5f06316 97