Diff: main.cpp

Revision:

1:c45df8c46fa8

Parent:

0:f76c26307f9a

--- a/main.cpp	Thu Feb 14 17:24:48 2013 +0000
+++ b/main.cpp	Thu Dec 24 03:30:20 2015 +0000
@@ -1,25 +1,98 @@
 #include "mbed.h"
- 
-// Read temperature from LM75BD
+#include "AM1805.h"
+
+#define DEMO_INPUT_INTERRUPT 0
+#define DEMO_COUNTDOWN_TIMER 0
+#define DEMO_ALARM_FUNCTION 1
 
-I2C i2c(p28, p27);
+DigitalOut oneLed(LED1);
+DigitalOut twoLed(LED2);
+DigitalOut indLed(LED3);
+DigitalOut errorLed(LED4);
 
-const int addr = 0x90;
+typedef enum
+{
+    DEFAULT_FLAG = 0xFF,  /**< Default State */
+    INIT_FLAG = 0x01,     /**< Initialize Done */
+    HOST_RUN_ONE = 0x02,  /**< Run to mode 1 */
+    HOST_RUN_TWO = 0x04   /**< Run to mode 2 */
+} demo_mode_t;
 
 int main() {
-    char cmd[2];
+    
+    demo_mode_t demo_status = DEFAULT_FLAG;
+    
+    /* attempt to read the current status */
+    wait(5);
+    demo_status = (demo_mode_t)am1805_read_ram(0);        
+    
+    if ( demo_status == DEFAULT_FLAG )
+    {
+        /* Not config AM1805 yet */
+        indLed = 1;
+        wait(1);
+
+        if ( am1805_init() == false )
+        {   
+            while(1) {
+                wait(0.1);
+                errorLed = !errorLed;
+            }
+        }
+
+#if DEMO_INPUT_INTERRUPT
+        am1805_config_input_interrupt(XT1_INTERRUPT);
+#elif DEMO_COUNTDOWN_TIMER        
+        am1805_config_countdown_timer( PERIOD_SEC, 10, REPEAT_PLUSE_1_64_SEC, PIN_nTIRQ);
+#elif DEMO_ALARM_FUNCTION
+     
+        time_reg_struct_t time_regs;
+    
+        time_regs.hundredth = 0x00;
+        time_regs.second = 0x08;
+        time_regs.minute = 0x00;
+        time_regs.hour = 0x00;
+        time_regs.date = 0x00;
+        time_regs.month = 0x00;
+        time_regs.year = 0x00;
+        time_regs.weekday = 0x00;
+        time_regs.century = 0x00;
+        time_regs.mode = 0x02;        
+        /* Set specific alarm time */
+        am1805_config_alarm(time_regs, ONCE_PER_MINUTE, PULSE_1_4_SEC, PIN_FOUT_nIRQ);
+#endif
+        wait(0.2);
+        am1805_write_ram(0,HOST_RUN_ONE);
+        wait(0.2);
+        am1805_set_sleep(7,1);                         
+    } else {
+        switch(demo_status){
+            case HOST_RUN_ONE:
+                for(uint8_t i = 0;i < 5;i++)
+                {
+                    wait(1);
+                    oneLed = !oneLed;    
+                }
+                am1805_write_ram(0,HOST_RUN_TWO);
+                wait(0.2);
+                am1805_set_sleep(7,1); 
+                break;
+            case HOST_RUN_TWO:
+                for(uint8_t i = 0;i < 5;i++)
+                {
+                    wait(1);
+                    twoLed = !twoLed;    
+                }
+                am1805_write_ram(0,HOST_RUN_ONE);
+                wait(0.2);
+                am1805_set_sleep(7,1);                              
+                break;
+            default:
+                errorLed = 1;
+                break;
+        }
+    }
+        
     while (1) {
-        cmd[0] = 0x01;
-        cmd[1] = 0x00;
-        i2c.write(addr, cmd, 2);
- 
-        wait(0.5);
- 
-        cmd[0] = 0x00;
-        i2c.write(addr, cmd, 1);
-        i2c.read(addr, cmd, 2);
- 
-        float tmp = (float((cmd[0]<<8)|cmd[1]) / 256.0);
-        printf("Temp = %.2f\n", tmp);
     }
 }
\ No newline at end of file