Merge pull request #1859 from alignan/pull/remote-rtcc-update

Zoul: RTCC with trigger selection and second-based time increase

examples/zolertia/zoul/rtcc/test-rtcc.c

@@ -61,7 +61,12 @@
 /*---------------------------------------------------------------------------*/
 #define LOOP_PERIOD             60L
 #define LOOP_INTERVAL           (CLOCK_SECOND * LOOP_PERIOD)
-#define TEST_ALARM_SECOND   30
+#define TEST_ALARM_SECOND       15
+/*---------------------------------------------------------------------------*/
+/* Enable to match a given second number every minute, else it will trigger an
+ * interrupt every TEST_ALARM_SECOND
+ */
+#define TEST_ALARM_MATCH_MIN    0
 /*---------------------------------------------------------------------------*/
 PROCESS(test_remote_rtcc_process, "Test RTC driver process");
 AUTOSTART_PROCESSES(&test_remote_rtcc_process);
@@ -72,11 +77,34 @@ static simple_td_map *simple_td = (simple_td_map *)rtc_buffer;
 static struct etimer et;
 /*---------------------------------------------------------------------------*/
 void
+configure_new_alarm(void)
+{
+  if(rtcc_date_increment_seconds(simple_td, TEST_ALARM_SECOND) == AB08_ERROR) {
+    printf("Fail: could not increment the next alarm date\n");
+    return;
+  }
+
+  /* We use the RTCC_REPEAT_DAY as we want the RTCC to match the given date */
+  if(rtcc_set_alarm_time_date(simple_td, RTCC_ALARM_ON, RTCC_REPEAT_DAY,
+                              RTCC_TRIGGER_INT1) == AB08_ERROR) {
+    printf("Fail: couldn't set the alarm\n");
+    return;
+  }
+
+  printf("Alarm set to match: ");
+  rtcc_print(RTCC_PRINT_ALARM_DEC);
+}
+/*---------------------------------------------------------------------------*/
+void
 rtcc_interrupt_callback(uint8_t value)
 {
   printf("A RTCC interrupt just happened! time/date: ");
   rtcc_print(RTCC_PRINT_DATE_DEC);
-  leds_toggle(LEDS_PURPLE);
+  leds_toggle(LEDS_ALL);
+
+#if !TEST_ALARM_MATCH_MIN
+  configure_new_alarm();
+#endif
 }
 /*---------------------------------------------------------------------------*/
 PROCESS_THREAD(test_remote_rtcc_process, ev, data)
@@ -149,9 +177,10 @@ PROCESS_THREAD(test_remote_rtcc_process, ev, data)
   printf("Configured time: ");
   rtcc_print(RTCC_PRINT_DATE_DEC);
 
-  /* Configure the RTCC to trigger an alarm every TEST_ALARM_SECOND tick */
+#if TEST_ALARM_MATCH_MIN
-  printf("Setting an alarm to tick every minute matching %u seconds\n",
+  /* Configure the RTCC to trigger an alarm every TEST_ALARM_SECOND match */
-         TEST_ALARM_SECOND);
+  printf("Setting an alarm to tick every %u seconds match\n", TEST_ALARM_SECOND);
+
   simple_td->seconds = TEST_ALARM_SECOND;
 
   /* Notice the arguments, we want to trigger the alarm every time the clock
@@ -159,14 +188,18 @@ PROCESS_THREAD(test_remote_rtcc_process, ev, data)
    * minute.  In case we would want to trigger the alarm on a specific time,
    * then we would want to set a daily repeat interval
    */
-  if(rtcc_set_alarm_time_date(simple_td, RTCC_ALARM_ON,
+  if(rtcc_set_alarm_time_date(simple_td, RTCC_ALARM_ON, RTCC_REPEAT_MINUTE,
-                              RTCC_REPEAT_MINUTE) == AB08_ERROR) {
+                              RTCC_TRIGGER_INT1) == AB08_ERROR) {
     printf("Fail: couldn't set the alarm\n");
     PROCESS_EXIT();
   }
 
-  printf("Alarm set to match: ");
+#else
-  rtcc_print(RTCC_PRINT_ALARM_DEC);
+  /* Configure the RTCC to trigger an alarm every TEST_ALARM_SECOND tick */
+  printf("Setting an alarm to tick every %u seconds\n", TEST_ALARM_SECOND);
+
+  configure_new_alarm();
+#endif
 
   PROCESS_END();
 }

platform/zoul/dev/rtcc-config.h

@@ -100,4 +100,3 @@ static const ab080x_register_config_t ab080x_default_setting[] =
  * @}
  * @}
  */
-

platform/zoul/dev/rtcc.c

@@ -388,10 +388,17 @@ rtcc_get_time_date(simple_td_map *data)
 }
 /*---------------------------------------------------------------------------*/
 int8_t
-rtcc_set_alarm_time_date(simple_td_map *data, uint8_t state, uint8_t repeat)
+rtcc_set_alarm_time_date(simple_td_map *data, uint8_t state, uint8_t repeat,
+                         uint8_t trigger)
 {
   uint8_t aux[4], buf[RTCC_ALARM_MAP_SIZE];
 
+  if((trigger != RTCC_TRIGGER_INT2) && (trigger != RTCC_TRIGGER_INT1) &&
+     (trigger != RTCC_TRIGGER_BOTH)) {
+    PRINTF("RTC: invalid trigger pin\n");
+    return AB08_ERROR;
+  }
+
   if(state == RTCC_ALARM_OFF) {
     if(ab08_read_reg((INT_MASK_ADDR + CONFIG_MAP_OFFSET),
                      &aux[0], 1) == AB08_ERROR) {
@@ -505,12 +512,25 @@ rtcc_set_alarm_time_date(simple_td_map *data, uint8_t state, uint8_t repeat)
   /* Clear the AIE alarm bit */
   aux[INT_MASK_ADDR] &= ~INTMASK_AIE;
 
-  /* Configure Interrupt parameters for Alarm Interrupt Mode in nIRQ pin,
+  /* Configure Interrupt parameters for Alarm Interrupt Mode in nIRQ
-   * and fixed level until interrupt flag is cleared
+   * or nAIRQ pins and fixed level until interrupt flag is cleared
+   * RTC_INT1 is connected to the CC2538
+   * RTC_INT2 is connected to the power management PIC in revision B
    */
+  if (trigger == RTCC_TRIGGER_INT2) { 
+    aux[CTRL_2_ADDR] |= CTRL2_OUT2S_NAIRQ_OUTB;
+  /* Only options left enable the INT1 interrupt pin */
+  } else {
+    GPIO_ENABLE_INTERRUPT(RTC_INT1_PORT_BASE, RTC_INT1_PIN_MASK);
+    ioc_set_over(RTC_INT1_PORT, RTC_INT1_PIN, IOC_OVERRIDE_PUE);
+    nvic_interrupt_enable(RTC_INT1_VECTOR);
+  }
 
-  /* Enable nIRQ if at least one interrupt is enabled */
+  if (trigger == RTCC_TRIGGER_INT1) {
     aux[CTRL_2_ADDR] |= CTRL2_OUT1S_NIRQ_NAIRQ_OUT;
+  } else if (trigger == RTCC_TRIGGER_BOTH) {
+    aux[CTRL_2_ADDR] |= (CTRL2_OUT1S_NIRQ_NAIRQ_OUT + CTRL2_OUT2S_NAIRQ_OUTB);
+  }
 
   if(repeat != RTCC_REPEAT_NONE) {
     aux[INT_MASK_ADDR] &= ~INTMASK_IM_LOW;
@@ -523,11 +543,6 @@ rtcc_set_alarm_time_date(simple_td_map *data, uint8_t state, uint8_t repeat)
     return AB08_ERROR;
   }
 
-  /* Enable interrupts */
-  GPIO_ENABLE_INTERRUPT(RTC_INT1_PORT_BASE, RTC_INT1_PIN_MASK);
-  ioc_set_over(RTC_INT1_PORT, RTC_INT1_PIN, IOC_OVERRIDE_PUE);
-  nvic_interrupt_enable(RTC_INT1_VECTOR);
-
   /* Write to the alarm counters */
   if(ab08_write_reg((HUNDREDTHS_ALARM_ADDR + ALARM_MAP_OFFSET), buf,
                     RTCC_ALARM_MAP_SIZE) == AB08_ERROR) {
@@ -549,6 +564,75 @@ rtcc_set_alarm_time_date(simple_td_map *data, uint8_t state, uint8_t repeat)
   return AB08_SUCCESS;
 }
 /*---------------------------------------------------------------------------*/
+int8_t
+rtcc_date_increment_seconds(simple_td_map *data, uint16_t seconds)
+{
+  uint16_t aux;
+
+  if(data == NULL) {
+    PRINTF("RTC: invalid argument\n");
+    return AB08_ERROR;
+  }
+
+  if(rtcc_get_time_date(data) == AB08_ERROR) {
+    return AB08_ERROR;
+  }
+
+  /* Nothing to do here but congratulate the user */
+  if(!seconds) {
+    return AB08_SUCCESS;
+  }
+
+  aux = data->seconds + seconds;
+  data->seconds = (uint8_t)(aux % 60);
+
+  /* Add the remainder seconds to the minutes counter */
+  if(aux > 59) {
+    aux /= 60;
+    aux += data->minutes;
+    data->minutes = (uint8_t)(aux % 60);
+  }
+
+  /* Add the remainder minutes to the hours counter */
+  if(aux > 59) {
+    aux /= 60;
+    aux += data->hours;
+    data->hours = (uint8_t)(aux % 24);
+  }
+
+  if(aux > 23) {
+    aux /= 24;
+    aux += data->day;
+
+    if(data->months == 2) {
+      if(check_leap_year(data->years)) {
+        if(aux > 29) {
+          data->day = (uint8_t)(aux % 29);
+          data->months++;
+        }
+      } else if(aux > 28) {
+        data->day = (uint8_t)(aux % 28);
+        data->months++;
+      }
+    } else if((data->months == 4) || (data->months == 6) ||
+             (data->months == 9) || (data->months == 11)) {
+      if(aux > 30) {
+        data->day = (uint8_t)(aux % 30);
+        data->months++;
+      }
+    } else if(aux > 31) {
+      data->day = (uint8_t)(aux % 31);
+      data->months++;
+    }
+  }
+
+  if(data->months > 12) {
+    data->months = data->months % 12;
+    data->years++;
+  }
+  return AB08_SUCCESS;
+}
+/*---------------------------------------------------------------------------*/
 PROCESS(rtcc_int_process, "RTCC interruption process handler");
 /*---------------------------------------------------------------------------*/
 PROCESS_THREAD(rtcc_int_process, ev, data)

platform/zoul/dev/rtcc.h

@@ -275,6 +275,13 @@ enum {
   RTCC_AUTOCAL_17_MIN,
   RTCC_AUTOCAL_9_MIN,
 };
+/* -------------------------------------------------------------------------- */
+enum {
+  RTCC_TRIGGER_INT1 = 0,
+  RTCC_TRIGGER_INT2,
+  RTCC_TRIGGER_BOTH,
+};
+
 /** @} */
 /* -------------------------------------------------------------------------- */
 /** \name Readable Date and time memory map implementation
@@ -337,12 +344,23 @@ int8_t rtcc_print(uint8_t value);
  * \param data date and time values (in decimal) to match against
  * \param state set on/off the alarm interruption
  * \param repeat set the frequency of the alarm (minute, hourly, daily, etc.)
+ * \param trigger interrupt trigger (INT1, INT2 or both)
  * \return
  * \           AB08_SUCCESS date/time set
  * \           AB08_ERROR failed to set time/date (enable DEBUG for more info)
  */
 int8_t rtcc_set_alarm_time_date(simple_td_map *data, uint8_t state,
-                                uint8_t repeat);
+                                uint8_t repeat, uint8_t trigger);
+
+/**
+ * \brief Increments the current date by a number of seconds
+ * \param data structure to store the date
+ * \param seconds the numberof seconds to increment the date
+ * \return
+ * \           AB08_SUCCESS updated date values
+ * \           AB08_ERROR failed to return the values
+ */
+int8_t rtcc_date_increment_seconds(simple_td_map *data, uint16_t seconds);
 
 /**
  * \brief Manually calibrate the RTCC