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annotate include/cmd_proto.h @ 6:42dec3428c77

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Define TMS transition patterns
author Thinker K.F. Li <thinker@branda.to>
date Sun, 22 Feb 2009 14:12:29 +0800
parents abf221bf3ce4
children 61f27549de57
rev   line source
1
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Thinker K.F. Li <thinker@branda.to>
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1 #ifndef __CMD_PROTO_H_
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2 #define __CMD_PROTO_H_
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3
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4 #define CP_MAGIC "JC"
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5 #define CP_MAX_SZ 0x255
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6 typedef enum {
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7 CPCMD_DUMMY,
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8 CPCMD_PING,
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9 CPCMD_SHIFT_TDI,
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10 CPCMD_SHIFT_TMS,
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11 CPCMD_SHIFT_TDI_TDO,
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12 CPCMD_PONG,
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13 CPCMD_DATA,
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14 CPCMD_ACK,
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15 CPCMD_NAK,
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16 CPCMD_MAX
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17 } cp_ccode_t;
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18
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19 typedef struct {
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20 int seq;
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21 cp_ccode_t code;
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22 int data_sz;
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23 char *data;
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24 } cp_cmd_t;
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25
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26 typedef struct {
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27 cp_cmd_t cmds[2];
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28 int receiving;
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29 int status;
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30 int seq;
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31 int cnt;
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32 int len;
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33 char *bufs[2];
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34 } cmd_proto_t;
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35
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36 extern cmd_proto_t *cmd_proto_new(void);
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37 extern void cmd_proto_free(cmd_proto_t *cp);
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38 extern cp_cmd_t *cmd_proto_rcv(cmd_proto_t *cp, int c);
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39 /*
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40 * \return size of filled command.
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41 */
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42 extern int cmd_proto_cmd_fill(char *buf, int seq,
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43 cp_ccode_t code, int data_sz);
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44 extern cp_cmd_t BAD_CMD;
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45 extern cp_cmd_t CSUM_ERR_CMD;
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46
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47 #define CP_CMD_HEAD_SZ 5
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48 #define CP_CMD_TAIL_SZ 1
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49 #define CP_CMD_OVERHEAD (CP_CMD_HEAD_SZ + CP_CMD_TAIL_SZ)
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50
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51 #endif /* __CMD_PROTO_H_ */