annotate src/cmd_proto.c @ 7:61f27549de57

Support TRST.
author Thinker K.F. Li <thinker@branda.to>
date Sun, 22 Feb 2009 14:20:57 +0800
parents e410832c3280
children cc106f278d7d
rev   line source
1
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
1 #include <stdio.h>
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
2 #include <stdlib.h>
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
3 #include <string.h>
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
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4 #include "cmd_proto.h"
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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5
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
6 enum {
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
7 ST_WAIT_MAGIC0,
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
8 ST_WAIT_MAGIC1,
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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diff changeset
9 ST_WAIT_SEQ,
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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10 ST_WAIT_LEN,
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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11 ST_WAIT_DATA,
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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diff changeset
12 ST_WAIT_CSUM
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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diff changeset
13 };
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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14
3
e410832c3280 Issue of avr-ld.
Thinker K.F. Li <thinker@branda.to>
parents: 1
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15 #define BUF_SZ 512
e410832c3280 Issue of avr-ld.
Thinker K.F. Li <thinker@branda.to>
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16
1
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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17 cmd_proto_t *cmd_proto_new(void) {
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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18 cmd_proto_t *cp;
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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19
3
e410832c3280 Issue of avr-ld.
Thinker K.F. Li <thinker@branda.to>
parents: 1
diff changeset
20 cp = (cmd_proto_t *)malloc(sizeof(cmd_proto_t) + BUF_SZ);
1
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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diff changeset
21 if(cp == NULL)
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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22 return NULL;
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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23
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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24 memset(cp, 0, sizeof(cmd_proto_t));
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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25 cp->bufs[0] = ((char *)cp) + sizeof(cmd_proto_t);
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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26 cp->bufs[1] = ((char *)cp) + sizeof(cmd_proto_t) + 256;
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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27 cp->cmds[0].data = cp->bufs[0] + 1;
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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28 cp->cmds[1].data = cp->bufs[1] + 1;
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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29
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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30 return cp;
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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31 }
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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32
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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33 void cmd_proto_free(cmd_proto_t *cp) {
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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34 free(cp);
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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35 }
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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36
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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37 cp_cmd_t BAD_CMD;
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
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38 cp_cmd_t CSUM_ERR_CMD;
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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39
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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40 static
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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41 cp_cmd_t *make_cmd(cmd_proto_t *cp) {
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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42 char *buf = cp->bufs[cp->receiving];
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
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43 cp_cmd_t *cmd;
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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44 int i;
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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45
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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46 if(buf[0] <= 0 || buf[0] >= CPCMD_MAX)
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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47 return &BAD_CMD;
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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48
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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49 cmd = cp->cmds + cp->receiving;
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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50
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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51 cmd->seq = cp->seq;
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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52 cmd->code = buf[0];
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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53 cmd->data_sz = cp->len - 1;
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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54
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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55 cp->receiving ^= 1;
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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56
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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57 return cmd;
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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58 }
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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59
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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60 #define CSUM_ADD(csum, c) \
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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61 do { \
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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62 csum = ((((csum) << 3) | ((csum) >> 5)) ^ (c)) & 0xff; \
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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63 } while(0)
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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64
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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65 cp_cmd_t *cmd_proto_rcv(cmd_proto_t *cp, int c) {
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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66 int i, csum;
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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67 char *buf;
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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68 cp_cmd_t *cmd = NULL;
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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69
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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70 switch(cp->status) {
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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71 case ST_WAIT_MAGIC0:
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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72 if(c == CP_MAGIC[0])
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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73 cp->status = ST_WAIT_MAGIC1;
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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74 break;
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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75
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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diff changeset
76 case ST_WAIT_MAGIC1:
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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diff changeset
77 if(c == CP_MAGIC[1])
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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78 cp->status = ST_WAIT_SEQ;
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
79 else if(c != CP_MAGIC[0])
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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80 cp->status = ST_WAIT_MAGIC0;
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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81 break;
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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82
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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83 case ST_WAIT_SEQ:
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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84 cp->seq = c;
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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85 cp->status = ST_WAIT_LEN;
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
86 break;
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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87
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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88 case ST_WAIT_LEN:
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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89 cp->len = c;
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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diff changeset
90 if(c > 0) {
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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91 cp->status = ST_WAIT_DATA;
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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92 cp->cnt = 0;
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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93 } else
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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94 cp->status = ST_WAIT_CSUM;
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
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95 break;
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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96
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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97 case ST_WAIT_DATA:
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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98 cp->bufs[cp->receiving][cp->cnt++] = c;
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
99 if(cp->cnt >= cp->len)
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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100 cp->status = ST_WAIT_CSUM;
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
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101 break;
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
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102
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
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103 case ST_WAIT_CSUM:
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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104 csum = 0;
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
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105 buf = cp->bufs[cp->receiving];
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
106 for(i = 0; i < cp->len; i++)
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
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107 CSUM_ADD(csum, buf[i]);
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
108 CSUM_ADD(csum, c);
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
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109 cp->status = ST_WAIT_MAGIC0;
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
110 if(csum == 0)
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
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111 cmd = make_cmd(cp);
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
112 else
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
113 cmd = &CSUM_ERR_CMD;
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
114 break;
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
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115
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
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116 default:
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
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117 cp->status = ST_WAIT_MAGIC0;
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
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118 }
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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119
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
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120 return cmd;
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
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121 }
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
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122
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
123 int cmd_proto_cmd_fill(char *buf, int seq, cp_ccode_t code, int data_sz) {
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
124 int i, last = data_sz + CP_CMD_HEAD_SZ;
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
125 int csum = 0;
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
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126
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
127 buf[0] = CP_MAGIC[0];
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
128 buf[1] = CP_MAGIC[1];
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
129 buf[2] = seq;
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
130 buf[3] = data_sz + 1;
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
131 buf[4] = code;
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
132 for(i = CP_CMD_HEAD_SZ - 1; i < last; i++)
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
133 CSUM_ADD(csum, buf[i]);
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
134 CSUM_ADD(csum, 0);
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
135 buf[i] = csum;
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
136
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
137 return data_sz + CP_CMD_OVERHEAD;
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
138 }