FreeCalypso > hg > freecalypso-tools
annotate rvinterf/etmsync/fsnew.c @ 778:3ba64341137b
simagent: bare Tx works with extra delays
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sat, 13 Mar 2021 19:31:53 +0000 |
parents | 2cd5ac909e23 |
children | 37b38b1a1136 |
rev | line source |
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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 } |