mirror of
https://github.com/stargieg/bacnet-stack
synced 2025-10-26 23:35:52 +08:00
121 lines
4.3 KiB
C
121 lines
4.3 KiB
C
/**************************************************************************
|
|
*
|
|
* Copyright (C) 2011 Steve Karg <skarg@users.sourceforge.net>
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining
|
|
* a copy of this software and associated documentation files (the
|
|
* "Software"), to deal in the Software without restriction, including
|
|
* without limitation the rights to use, copy, modify, merge, publish,
|
|
* distribute, sublicense, and/or sell copies of the Software, and to
|
|
* permit persons to whom the Software is furnished to do so, subject to
|
|
* the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included
|
|
* in all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
|
|
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
|
|
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
|
|
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
|
|
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
*
|
|
*********************************************************************/
|
|
#include <stdint.h>
|
|
#include <stdbool.h>
|
|
/* hardware layer includes */
|
|
#include "hardware.h"
|
|
#include "timer.h"
|
|
#include "led.h"
|
|
/* BACnet Stack includes */
|
|
#include "datalink.h"
|
|
#include "npdu.h"
|
|
#include "handlers.h"
|
|
#include "client.h"
|
|
#include "txbuf.h"
|
|
#include "dcc.h"
|
|
#include "iam.h"
|
|
#include "device.h"
|
|
#include "bo.h"
|
|
/* me */
|
|
#include "bacnet.h"
|
|
|
|
/* timer for device communications control */
|
|
static struct itimer DCC_Timer;
|
|
#define DCC_CYCLE_SECONDS 1
|
|
|
|
void bacnet_init(
|
|
void)
|
|
{
|
|
/* 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 shutup 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);
|
|
/* Hello World! */
|
|
Send_I_Am(&Handler_Transmit_Buffer[0]);
|
|
}
|
|
|
|
static uint8_t PDUBuffer[MAX_MPDU];
|
|
void bacnet_task(
|
|
void)
|
|
{
|
|
uint16_t pdu_len;
|
|
BACNET_ADDRESS src; /* source address */
|
|
uint8_t i;
|
|
BACNET_BINARY_PV binary_value = BINARY_INACTIVE;
|
|
BACNET_POLARITY polarity;
|
|
bool out_of_service;
|
|
|
|
/* Binary Output */
|
|
for (i = 0; i < MAX_BINARY_OUTPUTS; i++) {
|
|
out_of_service = Binary_Output_Out_Of_Service(i);
|
|
if (!out_of_service) {
|
|
binary_value = Binary_Output_Present_Value(i);
|
|
polarity = Binary_Output_Polarity(i);
|
|
if (polarity != POLARITY_NORMAL) {
|
|
if (binary_value == BINARY_ACTIVE) {
|
|
binary_value = BINARY_INACTIVE;
|
|
} else {
|
|
binary_value = BINARY_ACTIVE;
|
|
}
|
|
}
|
|
if (binary_value == BINARY_ACTIVE) {
|
|
led_on(i);
|
|
} else {
|
|
led_off(i);
|
|
}
|
|
}
|
|
}
|
|
/* handle the communication timer */
|
|
if (timer_interval_expired(&DCC_Timer)) {
|
|
timer_interval_reset(&DCC_Timer);
|
|
dcc_timer_seconds(DCC_CYCLE_SECONDS);
|
|
}
|
|
/* handle the messaging */
|
|
pdu_len = datalink_receive(&src, &PDUBuffer[0], sizeof(PDUBuffer), 0);
|
|
if (pdu_len) {
|
|
npdu_handler(&src, &PDUBuffer[0], pdu_len);
|
|
}
|
|
}
|