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Added repeat option to Who-Is and I-Am app (#117)

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Co-authored-by: Steve Karg <skarg@users.sourceforge.net>
This commit is contained in:
Steve Karg
2020-09-03 22:03:10 -05:00
committed by GitHub
parent 8a866b6754
commit a7b2e94cb7
2 changed files with 64 additions and 4 deletions
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apps/iam/main.c
+38 -2
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@@ -47,6 +47,9 @@
#include "bacnet/basic/tsm/tsm.h"
#include "bacnet/datalink/dlenv.h"
/* buffer used for receive */
static uint8_t Rx_Buf[MAX_MPDU] = { 0 };
/* parsed command line parameters */
static uint32_t Target_Device_ID = BACNET_MAX_INSTANCE;
static uint16_t Target_Vendor_ID = BACNET_VENDOR_ID;
@@ -121,6 +124,13 @@ static void print_help(char *filename)
"Valid ranges are from 00 to FF (hex) for MS/TP or ARCNET,\n"
"or an IP string with optional port number like 10.1.2.3:47808\n"
"or an Ethernet MAC in hex like 00:21:70:7e:32:bb\n"
"--repeat\n"
"Send the message repeatedly until signalled to quit.\n"
"Default is to not repeat, sending only a single message.\n"
"\n"
"--delay\n"
"Delay, in milliseconds, between repeated messages.\n"
"Default delay is 100ms.\n"
"\n");
printf(
"device-instance:\n"
@@ -138,11 +148,15 @@ static void print_help(char *filename)
int main(int argc, char *argv[])
{
BACNET_ADDRESS src = { 0 }; /* address where message came from */
uint16_t pdu_len = 0;
long dnet = -1;
BACNET_MAC_ADDRESS mac = { 0 };
BACNET_MAC_ADDRESS adr = { 0 };
BACNET_ADDRESS dest = { 0 };
bool specific_address = false;
bool repeat_forever = false;
unsigned timeout = 100; /* milliseconds */
int argi = 0;
unsigned int target_args = 0;
char *filename = NULL;
@@ -182,6 +196,15 @@ int main(int argc, char *argv[])
specific_address = true;
}
}
} else if (strcmp(argv[argi], "--repeat") == 0) {
repeat_forever = true;
} else if (strcmp(argv[argi], "--delay") == 0) {
if (++argi < argc) {
timeout = strtol(argv[argi], NULL, 0);
if (timeout < 0) {
timeout = 0;
}
}
} else {
if (target_args == 0) {
Target_Device_ID = strtol(argv[argi], NULL, 0);
@@ -239,8 +262,21 @@ int main(int argc, char *argv[])
dlenv_init();
atexit(datalink_cleanup);
/* send the request */
Send_I_Am_To_Network(&dest, Target_Device_ID, Target_Max_APDU,
Target_Segmentation, Target_Vendor_ID);
do {
Send_I_Am_To_Network(&dest, Target_Device_ID, Target_Max_APDU,
Target_Segmentation, Target_Vendor_ID);
if (repeat_forever) {
/* returns 0 bytes on timeout */
pdu_len = datalink_receive(&src, &Rx_Buf[0], MAX_MPDU, timeout);
/* process */
if (pdu_len) {
npdu_handler(&src, &Rx_Buf[0], pdu_len);
}
if (Error_Detected) {
break;
}
}
} while (repeat_forever);
return 0;
}