FreeCalypso > hg > freecalypso-tools

annotate rvinterf/rvtat/interf.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 99471c57155a
children
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0
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1 /*
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2 * In this module we implement our synchronous interface to the target
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3 * via rvinterf.
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4 */
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5
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6 #include <sys/types.h>
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7 #include <stdio.h>
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8 #include <stdlib.h>
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9 #include <unistd.h>
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10 #include "limits.h"
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11 #include "localsock.h"
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12 #include "pktmux.h"
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13 #include "exitcodes.h"
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14
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15 extern int sock;
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16
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17 int rx_enable_state;
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18 u_char rvi_msg[LOCALSOCK_MAX_MSG];
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19 int rvi_msg_len;
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20
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21 static void
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22 collect_bytes_from_rvi(buf, nbytes)
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23 u_char *buf;
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24 {
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25 int cc;
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26
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27 while (nbytes) {
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28 cc = read(sock, buf, nbytes);
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29 if (cc <= 0) {
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30 perror("read from rvinterf socket");
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31 exit(ERROR_RVINTERF);
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32 }
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33 buf += cc;
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34 nbytes -= cc;
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35 }
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36 }
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37
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38 collect_rvi_msg()
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39 {
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40 u_char lenbuf[2];
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41
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42 collect_bytes_from_rvi(lenbuf, 2);
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43 rvi_msg_len = lenbuf[0] << 8 | lenbuf[1];
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44 if (rvi_msg_len < 1 || rvi_msg_len > LOCALSOCK_MAX_MSG) {
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45 fprintf(stderr, "Invalid length from rvinterf: %02X%02X\n",
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46 lenbuf[0], lenbuf[1]);
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47 exit(ERROR_RVINTERF);
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48 }
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49 collect_bytes_from_rvi(rvi_msg, rvi_msg_len);
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50 return(0);
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51 }
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52
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53 send_rvimisc_command(cmdpkt, cmdlen)
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54 u_char *cmdpkt;
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55 {
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56 u_char lenbuf[2];
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57
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58 lenbuf[0] = 0;
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59 lenbuf[1] = cmdlen;
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60 write(sock, lenbuf, 2);
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61 write(sock, cmdpkt, cmdlen);
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62 }
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63
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64 rx_control(enable)
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65 {
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66 u_char cmdpkt[2];
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67 int cmdlen;
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68
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69 /* are we already in the desired state? */
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70 if (rx_enable_state == enable)
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71 return(0);
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72 /* no, do the work */
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73 if (enable) {
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74 cmdpkt[0] = CLI2RVI_WANT_MUXPROTO;
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75 cmdpkt[1] = RVT_AT_HEADER;
0
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76 cmdlen = 2;
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77 } else {
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78 cmdpkt[0] = CLI2RVI_RESET_PACKET_RX;
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79 cmdlen = 1;
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80 }
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81 send_rvimisc_command(cmdpkt, cmdlen);
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82 collect_rvi_msg();
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83 if (rvi_msg[0] != RVI2CLI_LOCAL_CMD_RESP || rvi_msg_len < 2) {
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84 fprintf(stderr,
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85 "error: unexpected response to rvinterf local command\n");
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86 exit(ERROR_RVINTERF);
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87 }
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88 if (rvi_msg[1] != '+') {
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89 fprintf(stderr, "Error from rvinterf: %.*s\n", rvi_msg_len - 1,
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90 rvi_msg + 1);
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91 exit(ERROR_RVINTERF);
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92 }
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93 rx_enable_state = enable;
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94 return(0);
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95 }
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96
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97 send_pkt_to_target(pkt, pktlen)
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98 u_char *pkt;
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99 {
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100 u_char hdrbuf[3];
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101 int len1;
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102
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103 len1 = pktlen + 1;
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104 hdrbuf[0] = len1 >> 8;
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105 hdrbuf[1] = len1 & 0xFF;
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106 hdrbuf[2] = CLI2RVI_PKT_TO_TARGET;
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107 write(sock, hdrbuf, 3);
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108 write(sock, pkt, pktlen);
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109 }
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110
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111 collect_pkt_from_target()
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112 {
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113 collect_rvi_msg();
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114 if (rvi_msg[0] != RVI2CLI_PKT_FROM_TARGET) {
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115 fprintf(stderr,
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
116 "error: unexpected response type from rvinterf\n");
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
117 exit(ERROR_RVINTERF);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
118 }
346
99471c57155a fcup-rvtat program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
119 if (rvi_msg_len < 2) {
99471c57155a fcup-rvtat program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
120 fprintf(stderr, "error: packet from target is null\n");
99471c57155a fcup-rvtat program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
121 exit(ERROR_RVINTERF);
0
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
122 }
346
99471c57155a fcup-rvtat program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
123 if (rvi_msg[1] != RVT_AT_HEADER) {
99471c57155a fcup-rvtat program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
124 fprintf(stderr,
99471c57155a fcup-rvtat program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
125 "error: packet from target is not on ATI channel\n");
99471c57155a fcup-rvtat program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents: 0
diff changeset
126 exit(ERROR_RVINTERF);
0
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
127 }
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
128 return(0);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
129 }