/**************************************************************************
* Description: initializes the BACnet library
* Returns: none
* Notes: none
**************************************************************************/
void bacnet_init(void)
{
unsigned i;
Ringbuf_Init(&Receive_Queue, (uint8_t *) & Receive_Buffer,
sizeof(struct mstp_rx_packet), MSTP_RECEIVE_PACKET_COUNT);
dlmstp_init(NULL);
/* initialize objects */
Device_Init(NULL);
/* set up our confirmed service unrecognized service handler - required! */
apdu_set_unrecognized_service_handler_handler
(handler_unrecognized_service);
/* we need to handle who-is to support dynamic device binding */
apdu_set_unconfirmed_handler(SERVICE_UNCONFIRMED_WHO_IS, handler_who_is);
apdu_set_unconfirmed_handler(SERVICE_UNCONFIRMED_WHO_HAS, handler_who_has);
/* Set the handlers for any confirmed services that we support. */
/* We must implement read property - it's required! */
apdu_set_confirmed_handler(SERVICE_CONFIRMED_READ_PROPERTY,
handler_read_property);
apdu_set_confirmed_handler(SERVICE_CONFIRMED_READ_PROP_MULTIPLE,
handler_read_property_multiple);
apdu_set_confirmed_handler(SERVICE_CONFIRMED_REINITIALIZE_DEVICE,
handler_reinitialize_device);
apdu_set_confirmed_handler(SERVICE_CONFIRMED_WRITE_PROPERTY,
handler_write_property);
/* handle communication so we can shut up when asked */
apdu_set_confirmed_handler(SERVICE_CONFIRMED_DEVICE_COMMUNICATION_CONTROL,
handler_device_communication_control);
/* start the cyclic 1 second timer for DCC */
timer_interval_start_seconds(&DCC_Timer, DCC_CYCLE_SECONDS);
/* start the cyclic 1 second timer for COV */
timer_interval_start_seconds(&COV_Timer, COV_CYCLE_SECONDS);
/* start the cyclic 1 second timer for TSM */
timer_interval_start_seconds(&TSM_Timer, TSM_CYCLE_SECONDS);
for (i = 0; i < MAX_ANALOG_INPUTS; i++) {
Analog_Input_Units_Set(
Analog_Input_Index_To_Instance(i),
UNITS_PERCENT);
}
}
void test_init(
void)
{
#ifdef MSTP_MONITOR
serial_baud_rate_set(115200);
#else
serial_baud_rate_set(9600);
#endif
timer_interval_start_seconds(&Test_Timer, 1);
/* configure a port pin as output */
#if (BDK_VERSION==4)
BIT_SET(DDRD, DDB5);
#else
BIT_SET(DDRB, DDB0);
#endif
}
/**************************************************************************
* Description: handles reinitializing the device after a few seconds
* Returns: none
* Notes: gives the device enough time to acknowledge the RD request
**************************************************************************/
static void reinit_task(void)
{
BACNET_REINITIALIZED_STATE state = BACNET_REINIT_IDLE;
state = Device_Reinitialized_State();
if (state == BACNET_REINIT_IDLE) {
/* set timer to never expire */
timer_interval_infinity(&Reinit_Timer);
} else if (timer_interval_active(&Reinit_Timer)) {
if (timer_interval_expired(&Reinit_Timer)) {
/* reset MCU via watchdog timeout */
wdt_reset_mcu();
}
} else {
timer_interval_start_seconds(&Reinit_Timer, 3);
}
}