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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 37b38b1a1136
children
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1 /*
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2 * In this module we are going to implement the commands that upload
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3 * new FreeCalypso-invented stuff into the FFS of our FC devices.
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4 */
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5
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6 #include <sys/wait.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 "exitcodes.h"
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11
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12 char batterytab_compile_tool[] = "/opt/freecalypso/bin/compile-fc-batt";
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13 char batterytab2_compile_tool[] = "/opt/freecalypso/bin/compile-fc-batt2";
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14 char charging_compile_tool[] = "/opt/freecalypso/bin/compile-fc-chg";
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15
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16 upload_fc_table_from_ascii(asciisrc, compiletool, ffs_pathname)
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17 char *asciisrc, *compiletool, *ffs_pathname;
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18 {
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19 char tmpfile[] = "/tmp/fc-fsioXXXXXX";
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20 int tmpfd;
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21 pid_t child, waitres;
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22 int status, rc;
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23
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24 tmpfd = mkstemp(tmpfile);
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25 if (tmpfd < 0) {
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26 fprintf(stderr, "unable to get temp file via mkstemp()\n");
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27 return(ERROR_UNIX);
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28 }
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29 close(tmpfd);
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30 child = vfork();
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31 if (child < 0) {
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32 fprintf(stderr, "unable to vfork to run compiler tool\n");
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33 unlink(tmpfile);
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34 return(ERROR_UNIX);
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35 }
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36 if (!child) {
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37 execl(compiletool, compiletool, asciisrc, tmpfile, (char *) 0);
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38 perror(compiletool);
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39 _exit(ERROR_UNIX);
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40 }
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41 waitres = waitpid(child, &status, 0);
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42 if (waitres != child || !WIFEXITED(status)) {
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43 fprintf(stderr, "unexpected wait result after compiler run\n");
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44 unlink(tmpfile);
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45 return(ERROR_UNIX);
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46 }
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47 rc = WEXITSTATUS(status);
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48 if (rc) {
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49 unlink(tmpfile);
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50 return rc;
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51 }
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52 rc = fwrite_from_file(ffs_pathname, tmpfile);
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53 unlink(tmpfile);
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54 return rc;
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55 }
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56
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57 cmd_write_battery_table_v1(argc, argv)
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58 char **argv;
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59 {
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60 return upload_fc_table_from_ascii(argv[1], batterytab_compile_tool,
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61 "/etc/batterytab");
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62 }
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63
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64 cmd_write_battery_table_v2(argc, argv)
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65 char **argv;
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66 {
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67 return upload_fc_table_from_ascii(argv[1], batterytab2_compile_tool,
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68 "/etc/batterytab2");
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69 }
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70
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71 cmd_write_charging_config(argc, argv)
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72 char **argv;
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73 {
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74 return upload_fc_table_from_ascii(argv[1], charging_compile_tool,
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75 "/etc/charging");
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76 }
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77
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78 cmd_write_bsim_config(argc, argv)
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79 char **argv;
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80 {
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81 static char filename[] = "/etc/batterysim";
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82 u_char bytes[4];
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83
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84 bytes[0] = strtoul(argv[1], 0, 0);
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85 bytes[1] = strtoul(argv[2], 0, 0);
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86 bytes[2] = 0; /* RFU */
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87 bytes[3] = 0; /* RFU */
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88 return do_short_fwrite(filename, bytes, 4);
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89 }