int main(int argc, char **argv)
{
uint8_t rx_buf[bacnet_MAX_MPDU];
uint16_t pdu_len;
BACNET_ADDRESS src;
pthread_t minute_tick_id, second_tick_id, modbus_side_id; // Used for creation of threads
bacnet_Device_Set_Object_Instance_Number(BACNET_INSTANCE_NO);
bacnet_address_init();
/* Setup device objects */
bacnet_Device_Init(server_objects);
BN_UNC(WHO_IS, who_is);
BN_CON(READ_PROPERTY, read_property);
bacnet_BIP_Debug = true;
bacnet_bip_set_port(htons(BACNET_PORT));
bacnet_datalink_set(BACNET_DATALINK_TYPE);
bacnet_datalink_init(BACNET_INTERFACE);
atexit(bacnet_datalink_cleanup);
memset(&src, 0, sizeof(src));
register_with_bbmd();
bacnet_Send_I_Am(bacnet_Handler_Transmit_Buffer);
pthread_create(&minute_tick_id, 0, minute_tick, NULL); // Create thread for minute_tick function
pthread_create(&second_tick_id, 0, second_tick, NULL); // Create thread for second_tick function
pthread_create(&modbus_side_id, 0, modbus_side, NULL); // Create thread for modbus_side function
while (1)
{
pdu_len = bacnet_datalink_receive(
&src, rx_buf, bacnet_MAX_MPDU, BACNET_SELECT_TIMEOUT_MS);
if (pdu_len)
{
/* May call any registered handler.
* Thread safety: May block, however we still need to guarantee
* atomicity with the timers, so hold the lock anyway */
pthread_mutex_lock(&timer_lock);
bacnet_npdu_handler(&src, rx_buf, pdu_len);
pthread_mutex_unlock(&timer_lock);
}
ms_tick();
}
return 0;
}
int main(int argc, char **argv) {
uint8_t rx_buf[bacnet_MAX_MPDU];
uint16_t pdu_len;
BACNET_ADDRESS src;
pthread_t minute_tick_id, second_tick_id;
bacnet_Device_Set_Object_Instance_Number(BACNET_INSTANCE_NO);
bacnet_address_init();
/* Setup device objects */
bacnet_Device_Init(server_objects);
BN_UNC(WHO_IS, who_is);
BN_CON(READ_PROPERTY, read_property);
bacnet_BIP_Debug = true;
bacnet_bip_set_port(htons(BACNET_PORT));
bacnet_datalink_set(BACNET_DATALINK_TYPE);
bacnet_datalink_init(BACNET_INTERFACE);
atexit(bacnet_datalink_cleanup);
memset(&src, 0, sizeof(src));
register_with_bbmd();
bacnet_Send_I_Am(bacnet_Handler_Transmit_Buffer);
pthread_create(&minute_tick_id, 0, minute_tick, NULL);
pthread_create(&second_tick_id, 0, second_tick, NULL);
/* Start another thread here to retrieve your allocated registers from the
* modbus server. This thread should have the following structure (in a
* separate function):
*
* Initialise:
* Connect to the modbus server
*
* Loop:
* Read the required number of registers from the modbus server
* Store the register data into the tail of a linked list
*/
static int my_modbus_connect (void)
{
modbus_t *ctx;
uint16_t tab_reg[32];
//ctx = modbus_new_tcp("127.0.0.1", 502 );
ctx = modbus_new_tcp(SERVER_ADDR, SERVER_PORT );
if (modbus_connect(ctx) == -1) {
fprintf(stderr, "Connection failed: %s\n", modbus_strerror(errno));
modbus_free(ctx);
return -1;
}
/* Read 4 registers from the address 100 */
modbus_read_registers(ctx, 100, 2, tab_reg);
printf("Got value: %08X\n", tab_reg[0]);
usleep(100000); // reads and sleeps for 100ms
modbus_close(ctx);
modbus_free(ctx);
return 0;
}