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annotate rvinterf/old/g23sh/pktsort.c @ 1014:961efadd530a default tip

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fc-shell TCH DL handler: add support for CSD modes TCH DL capture mechanism in FC Tourmaline firmware has been extended to support CSD modes in addition to speech - add the necessary support on the host tools side. It needs to be noted that this mechanism in its present state does NOT provide the debug utility value that was sought: as we learned only after the code was implemented, TI's DSP has a misfeature in that the buffer we are reading (a_dd_0[]) is zeroed out when the IDS block is enabled, i.e., we are reading all zeros and not the real DL bits we were after. But since the code has already been written, we are keeping it - perhaps we can do some tests with IDS disabled.
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 26 Nov 2024 06:27:43 +0000
parents e7502631a0f9
children
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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 g23_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 process_pkt_from_target()
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53 {
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54 switch (rvi_msg[1]) {
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55 case RVT_RV_HEADER:
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56 process_rvt();
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57 return;
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58 case RVT_L23_HEADER:
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59 g23_packet_rx();
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60 return;
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61 default:
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62 tty_cleanup();
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63 fprintf(stderr, "unexpected fwd of MUX %02X from rvinterf\n",
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64 rvi_msg[1]);
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65 exit(1);
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66 }
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67 }