Mercurial > avr_jtag

annotate include/cmd_proto.h @ 8:074e860d7d31

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jtagdev is a desktop client to communicate with jtag device through Arduino.
author Thinker K.F. Li <thinker@branda.to>
date Sun, 22 Feb 2009 22:30:20 +0800
parents 61f27549de57
children cc106f278d7d
rev   line source
1
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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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abf221bf3ce4 AVR JTAG server.
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9 CPCMD_SHIFT_TDI,
abf221bf3ce4 AVR JTAG server.
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10 CPCMD_SHIFT_TMS,
abf221bf3ce4 AVR JTAG server.
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11 CPCMD_SHIFT_TDI_TDO,
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61f27549de57 Support TRST.
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12 CPCMD_TRST,
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13 CPCMD_PONG,
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14 CPCMD_DATA,
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15 CPCMD_ACK,
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16 CPCMD_NAK,
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17 CPCMD_MAX
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18 } cp_ccode_t;
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19
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20 typedef struct {
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21 int seq;
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22 cp_ccode_t code;
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23 int data_sz;
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24 char *data;
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25 } cp_cmd_t;
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26
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27 typedef struct {
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28 cp_cmd_t cmds[2];
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29 int receiving;
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30 int status;
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31 int seq;
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32 int cnt;
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33 int len;
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34 char *bufs[2];
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35 } cmd_proto_t;
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36
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37 extern cmd_proto_t *cmd_proto_new(void);
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38 extern void cmd_proto_free(cmd_proto_t *cp);
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39 extern cp_cmd_t *cmd_proto_rcv(cmd_proto_t *cp, int c);
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40 /*
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41 * \return size of filled command.
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42 */
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43 extern int cmd_proto_cmd_fill(char *buf, int seq,
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44 cp_ccode_t code, int data_sz);
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45 extern cp_cmd_t BAD_CMD;
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46 extern cp_cmd_t CSUM_ERR_CMD;
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47
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48 #define CP_CMD_HEAD_SZ 5
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49 #define CP_CMD_TAIL_SZ 1
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50 #define CP_CMD_OVERHEAD (CP_CMD_HEAD_SZ + CP_CMD_TAIL_SZ)
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51
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52 #endif /* __CMD_PROTO_H_ */