main.cpp

00001 /***********************************************************************
00002 * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved.
00003 *
00004 * Permission is hereby granted, free of charge, to any person obtaining a
00005 * copy of this software and associated documentation files (the "Software"),
00006 * to deal in the Software without restriction, including without limitation
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00008 * and/or sell copies of the Software, and to permit persons to whom the
00009 * Software is furnished to do so, subject to the following conditions:
00010 *
00011 * The above copyright notice and this permission notice shall be included
00012 * in all copies or substantial portions of the Software.
00013 *
00014 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
00015 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
00016 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
00017 * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
00018 * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
00019 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
00020 * OTHER DEALINGS IN THE SOFTWARE.
00021 *
00022 * Except as contained in this notice, the name of Maxim Integrated
00023 * Products, Inc. shall not be used except as stated in the Maxim Integrated
00024 * Products, Inc. Branding Policy.
00025 *
00026 * The mere transfer of this software does not imply any licenses
00027 * of trade secrets, proprietary technology, copyrights, patents,
00028 * trademarks, maskwork rights, or any other form of intellectual
00029 * property whatsoever. Maxim Integrated Products, Inc. retains all
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00031 **********************************************************************/
00032 
00033 
00034 #include "mbed.h"
00035 #include "ds3231.h"
00036 #include "maxrefdes99.h"
00037 #include <string>
00038 
00039 
00040 void set_rtc(Ds3231 & rtc);
00041 
00042 
00043 int main(void)
00044 {
00045     //rtc object
00046     Ds3231 rtc(D14, D15); 
00047     
00048     set_rtc(rtc);
00049     
00050     Max7219 display(D11, D12, D13, D10);
00051     
00052     //struct for holding MAX7219 configuration data
00053     max7219_configuration_t display_config;
00054     
00055     //configuration data
00056     display_config.decode_mode = 0; //no BCD decode
00057     display_config.intensity = 0x0F; //max intensity
00058     display_config.scan_limit = 0x07; //scan all digits
00059     
00060     //set number of MAX7219 devices being used
00061     display.set_num_devices(4);
00062     
00063     //config display 
00064     display.init_display(display_config);
00065     
00066     //ensure all data registers are 0
00067     display.display_all_off();
00068     
00069     display.enable_display();
00070     
00071     time_t epoch_time;
00072     string str;
00073     char time_buff[32];
00074     
00075     for(;;)
00076     {   
00077         //get epoch time from rtc
00078         epoch_time = rtc.get_epoch();
00079         
00080         //format time
00081         strftime(time_buff, 32, "%a %b %d %Y %I:%M %p", localtime(&epoch_time));
00082         
00083         //assign to str
00084         str.assign(time_buff);
00085         
00086         //find '\n' and remove it
00087         if(str.find('\n') != std::string::npos)
00088         {
00089             str.erase(str.find('\n'));
00090         }
00091         
00092         //append spaces to the end
00093         str.append("     ");
00094         
00095         //print to display
00096         print_string(&display, 33, str.c_str());
00097         
00098         //shift the display the appropriate number of positions
00099         //1 char is 6 columns wide
00100         shift_display_left(&display, (str.length()*6), 150);
00101         
00102         //clear the display
00103         all_off(&display);
00104         
00105         //clears all data in buffer 
00106         clear_buffer();
00107         
00108         wait(0.5);
00109     }
00110 }
00111 
00112 
00113 //*********************************************************************
00114 void set_rtc(Ds3231 & rtc)
00115 {
00116     //default, use bit masks in ds3231.h for desired operation
00117     ds3231_cntl_stat_t rtc_control_status = {0,0}; 
00118     ds3231_time_t rtc_time;
00119     ds3231_calendar_t rtc_calendar;
00120     
00121     rtc.set_cntl_stat_reg(rtc_control_status);
00122     
00123     //get day from user
00124     rtc_calendar.day = get_user_input("\nPlease enter day of week, 1 for Sunday (1-7): ", 7);
00125  
00126     //get day of month from user
00127     rtc_calendar.date = get_user_input("\nPlease enter day of month (1-31): ", 31);
00128  
00129     //get month from user
00130     rtc_calendar.month = get_user_input("\nPlease enter the month, 1 for January (1-12): ", 12);
00131  
00132     //get year from user
00133     rtc_calendar.year = get_user_input("\nPlease enter the year (0-99): ", 99);
00134       
00135     //Get time mode
00136     rtc_time.mode = get_user_input("\nWhat time mode? 1 for 12hr 0 for 24hr: ", 1);  
00137     
00138     if(rtc_time.mode)
00139     {
00140         //Get AM/PM status
00141         rtc_time.am_pm = get_user_input("\nIs it AM or PM? 0 for AM 1 for PM: ", 1);  
00142         //Get hour from user
00143         rtc_time.hours = get_user_input("\nPlease enter the hour (1-12): ", 12);
00144     }
00145     else
00146     {
00147         //Get hour from user
00148         rtc_time.hours = get_user_input("\nPlease enter the hour (0-23): ", 23);
00149     }
00150      
00151     //Get minutes from user
00152     rtc_time.minutes = get_user_input("\nPlease enter the minute (0-59): ", 59);
00153     
00154     
00155     //Get seconds from user
00156     rtc_time.seconds = get_user_input("\nPlease enter the second (0-59): ", 59);
00157     
00158     rtc.set_time(rtc_time);
00159     rtc.set_calendar(rtc_calendar);
00160 }
00161     
00162