David Anasco
ask DS3231 Module for time and display to console. optionally set the time too.
Dependencies: ds3231 max32630fthr USBDevice
Revision 0:4527149f9f39, committed 2021-07-23
- Comitter:
- davidanasco
- Date:
- Fri Jul 23 02:44:24 2021 +0000
- Commit message:
- initial commit
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/USBDevice.lib Fri Jul 23 02:44:24 2021 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/davidanasco/code/USBDevice/#2f8e3f5f75cf
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ds3231.lib Fri Jul 23 02:44:24 2021 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/teams/Maxim-Integrated/code/ds3231/#11630748e2f2
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Fri Jul 23 02:44:24 2021 +0000
@@ -0,0 +1,81 @@
+#include "mbed.h"
+#include "max32630fthr.h"
+#include "USBSerial.h"
+#include "ds3231.h"
+#define ESC 0x1B
+
+MAX32630FTHR pegasus(MAX32630FTHR::VIO_3V3);
+
+// Hardware serial port over DAPLink
+Serial daplink(USBTX, USBRX);
+
+// declare pins
+DigitalOut bLED(LED3);
+DigitalIn push(P2_3, PullUp);
+
+
+int main(){
+ Ds3231 rtc(I2C1_SDA, I2C1_SCL);
+ // rtc.frequency(0);
+
+ char buffer[32];
+ daplink.printf("%c[2J", ESC); //clear screen
+ daplink.printf("%c[H", ESC); //move cursor to Home
+ daplink.printf("< RTC DEMO >\r\n\n");
+
+ for(int ii=0;ii<3;ii++){ // blink blue 3 times
+ bLED = LED_OFF;
+ wait(0.5);
+ bLED = LED_ON;
+ wait(0.5);
+ bLED = LED_OFF;
+ }
+
+ time_t epoch_time; // declare variable for absolute time (in seconds) from Jan 1, 1970 12mn
+ ds3231_time_t timeKeep; // declare time variable
+ ds3231_calendar_t dateKeep; // declare calendar variable
+
+ // set to false when just reading time. set to true when setting time too.
+ bool setTime = false;
+ if(setTime){
+ // setting the time
+ timeKeep.seconds = 0; // 1-59
+ timeKeep.minutes = 0; // 1-59
+ timeKeep.hours = 10; // 1-12
+ timeKeep.am_pm = 0; // 0 am, 1 pm
+ timeKeep.mode = 0; // 0 military, 1 normal
+
+ // setting the calendar
+ dateKeep.day = 5; // 1 sunday - 7 saturday
+ dateKeep.date = 30; // 1-31
+ dateKeep.month = 7; // 1-12
+ dateKeep.year = 20; // last 2 digit
+
+ daplink.printf("Written Date: %u/%u/%u\r\n",dateKeep.year,dateKeep.month,dateKeep.date);
+ daplink.printf("Written Time: %u:%u:%u\r\n",timeKeep.hours,timeKeep.minutes,timeKeep.seconds);
+
+ if(rtc.set_time(timeKeep)){
+ daplink.printf("Setting time failed\r\n");
+ }
+ if(rtc.set_calendar(dateKeep)){
+ daplink.printf("Setting calendar failed\r\n");
+ }
+ }
+
+ rtc.get_calendar(&dateKeep);
+ daplink.printf("Initial Date: %u/%u/%u\r\n",dateKeep.year,dateKeep.month,dateKeep.date);
+ rtc.get_time(&timeKeep);
+ daplink.printf("Initial Time: %u:%u:%u\r\n\n",timeKeep.hours,timeKeep.minutes,timeKeep.seconds);
+
+ while(1){
+ if(!push){
+ bLED = LED_ON;
+ epoch_time = rtc.get_epoch(); // when button is pushed, display current date and time
+
+ strftime(buffer, 32, "%a %b%e %G %X", localtime(&epoch_time));
+ daplink.printf("%s\r\n", buffer);
+ wait(1); // wait for a second before accepting input again. without this, it would display the time multiple times.
+ bLED = LED_OFF;
+ }
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/max32630fthr.lib Fri Jul 23 02:44:24 2021 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/teams/MaximIntegrated/code/max32630fthr/#8f6e6a800f2f
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-os.lib Fri Jul 23 02:44:24 2021 +0000 @@ -0,0 +1,1 @@ +https://github.com/ARMmbed/mbed-os/#269f58d75b752a4e67a6a2d8c5c698635ffd6752