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comparison rvinterf/etm/etmbasic.c @ 183:85222710dc92

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rvinterf/etm: implemented everything except the packet sending command
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Sun, 24 Nov 2013 08:03:27 +0000
parents
children 4714fdfca39c
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182:13a0348ffce4 183:85222710dc92
1 /*
2 * Basic ETM interaction
3 */
4
5 #include <sys/types.h>
6 #include <stdio.h>
7 #include <string.h>
8 #include <strings.h>
9 #include <stdlib.h>
10 #include "../limits.h"
11
12 extern u_char rvi_msg[];
13 extern int rvi_msg_len;
14
15 void
16 etm_packet_rx()
17 {
18 char buf[MAX_PKT_FROM_TARGET*3+80], *dp;
19 int i, c;
20
21 if (rvi_msg_len < 4) {
22 async_msg_output("!!! Short ETM Rx packet !!!");
23 return;
24 }
25 strcpy(buf, "Pkt from ETM:");
26 dp = index(buf, '\0');
27 c = 0;
28 for (i = 2; i < rvi_msg_len; i++) {
29 sprintf(dp, " %02X", rvi_msg[i]);
30 dp += 3;
31 c ^= rvi_msg[i];
32 }
33 sprintf(dp, " chksum %s", c ? "BAD" : "OK");
34 async_msg_output(buf);
35 }