main.cpp

00001 #include "mbed.h"
00002 #include "AM1805.h"
00003 
00004 #define DEMO_INPUT_INTERRUPT 0
00005 #define DEMO_COUNTDOWN_TIMER 0
00006 #define DEMO_ALARM_FUNCTION 1
00007 
00008 DigitalOut oneLed(LED1);
00009 DigitalOut twoLed(LED2);
00010 DigitalOut indLed(LED3);
00011 DigitalOut errorLed(LED4);
00012 
00013 typedef enum
00014 {
00015     DEFAULT_FLAG = 0xFF,  /**< Default State */
00016     INIT_FLAG = 0x01,     /**< Initialize Done */
00017     HOST_RUN_ONE = 0x02,  /**< Run to mode 1 */
00018     HOST_RUN_TWO = 0x04   /**< Run to mode 2 */
00019 } demo_mode_t;
00020 
00021 int main() {
00022     
00023     demo_mode_t demo_status = DEFAULT_FLAG;
00024     
00025     /* attempt to read the current status */
00026     wait(5);
00027     demo_status = (demo_mode_t)am1805_read_ram(0);        
00028     
00029     if ( demo_status == DEFAULT_FLAG )
00030     {
00031         /* Not config AM1805 yet */
00032         indLed = 1;
00033         wait(1);
00034 
00035         if ( am1805_init() == false )
00036         {   
00037             while(1) {
00038                 wait(0.1);
00039                 errorLed = !errorLed;
00040             }
00041         }
00042 
00043 #if DEMO_INPUT_INTERRUPT
00044         am1805_config_input_interrupt(XT1_INTERRUPT);
00045 #elif DEMO_COUNTDOWN_TIMER        
00046         am1805_config_countdown_timer( PERIOD_SEC, 10, REPEAT_PLUSE_1_64_SEC, PIN_nTIRQ);
00047 #elif DEMO_ALARM_FUNCTION
00048      
00049         time_reg_struct_t time_regs;
00050     
00051         time_regs.hundredth = 0x00;
00052         time_regs.second = 0x08;
00053         time_regs.minute = 0x00;
00054         time_regs.hour = 0x00;
00055         time_regs.date = 0x00;
00056         time_regs.month = 0x00;
00057         time_regs.year = 0x00;
00058         time_regs.weekday = 0x00;
00059         time_regs.century = 0x00;
00060         time_regs.mode = 0x02;        
00061         /* Set specific alarm time */
00062         am1805_config_alarm(time_regs, ONCE_PER_MINUTE, PULSE_1_4_SEC, PIN_FOUT_nIRQ);
00063 #endif
00064         wait(0.2);
00065         am1805_write_ram(0,HOST_RUN_ONE);
00066         wait(0.2);
00067         am1805_set_sleep(7,1);                         
00068     } else {
00069         switch(demo_status){
00070             case HOST_RUN_ONE:
00071                 for(uint8_t i = 0;i < 5;i++)
00072                 {
00073                     wait(1);
00074                     oneLed = !oneLed;    
00075                 }
00076                 am1805_write_ram(0,HOST_RUN_TWO);
00077                 wait(0.2);
00078                 am1805_set_sleep(7,1); 
00079                 break;
00080             case HOST_RUN_TWO:
00081                 for(uint8_t i = 0;i < 5;i++)
00082                 {
00083                     wait(1);
00084                     twoLed = !twoLed;    
00085                 }
00086                 am1805_write_ram(0,HOST_RUN_ONE);
00087                 wait(0.2);
00088                 am1805_set_sleep(7,1);                              
00089                 break;
00090             default:
00091                 errorLed = 1;
00092                 break;
00093         }
00094     }
00095         
00096     while (1) {
00097     }
00098 }