FreeCalypso > hg > freecalypso-sw

annotate rvinterf/asyncshell/pktsort.c @ 907:7a189b7bbd67

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lcdemu: input processing implemented, compiles
author Space Falcon <falcon@ivan.Harhan.ORG>
date Mon, 07 Sep 2015 10:35:20 +0000
parents 4661b84260a0
children 820d34f3f3d7
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1 /*
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2 * Here we sort out incoming packets from the target relayed via rvinterf.
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3 */
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4
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5 #include <sys/types.h>
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6 #include <stdio.h>
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7 #include <string.h>
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8 #include <strings.h>
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9 #include <stdlib.h>
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10 #include "pktmux.h"
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11 #include "limits.h"
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12 #include "localsock.h"
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13 #include "localtypes.h"
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14
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15 extern u_char rvi_msg[];
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16 extern int rvi_msg_len;
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17
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18 static void
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19 process_rvt()
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20 {
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21 u32 useid;
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22
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23 if (rvi_msg_len < 7) {
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24 tty_cleanup();
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25 fprintf(stderr, "Error: rvinterf sent us an invalid RVT msg\n");
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26 exit(1);
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27 }
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28 useid = rvi_msg[2] << 24 | rvi_msg[3] << 16 | rvi_msg[4] << 8
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29 | rvi_msg[5];
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30 switch (useid) {
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31 case 0:
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32 handle_useid_0();
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33 return;
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34 default:
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35 tty_cleanup();
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36 fprintf(stderr, "unexpected fwd of USEID %08X from rvinterf\n",
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37 useid);
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38 exit(1);
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39 }
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40 }
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41
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42 void
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43 gpf_packet_rx()
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44 {
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45 char fmtbuf[MAX_PKT_FROM_TARGET*8]; /* size it generously */
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46
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47 format_g23_packet(rvi_msg + 1, rvi_msg_len - 1, fmtbuf);
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48 async_msg_output(fmtbuf);
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49 }
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50
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51 void
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52 response_from_ati()
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53 {
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54 char buf[MAX_PKT_FROM_TARGET*4+2];
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55
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56 strcpy(buf, "ATI: ");
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4661b84260a0 fc-shell: AT-over-RVTMUX command sending implemented
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57 safe_print_trace(rvi_msg + 2, rvi_msg_len - 2, buf + 5);
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58 async_msg_output(buf);
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59 }
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60
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61 void
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62 process_pkt_from_target()
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63 {
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64 switch (rvi_msg[1]) {
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65 case RVT_RV_HEADER:
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66 process_rvt();
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67 return;
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68 case RVT_L23_HEADER:
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69 gpf_packet_rx();
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70 return;
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71 case RVT_AT_HEADER:
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72 response_from_ati();
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73 return;
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74 default:
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75 tty_cleanup();
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76 fprintf(stderr, "unexpected fwd of MUX %02X from rvinterf\n",
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77 rvi_msg[1]);
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78 exit(1);
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79 }
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80 }