FreeCalypso > hg > freecalypso-tools
annotate ffstools/newcomp/compile-fc-batt.c @ 754:2cd5ac909e23
fc-fsio write-battery-table replaced with write-battery-table-{v1,v2}
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Thu, 05 Nov 2020 22:32:51 +0000 |
parents | c79aaed75bd8 |
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1 /* |
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2 * This utility compiles a table of battery thresholds for the 2017-12 version |
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3 * of FreeCalypso battery management code from ASCII source into the binary |
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4 * form suitable for uploading into /etc/batterytab on a FreeCalypso device. |
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5 */ |
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6 |
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7 #include <ctype.h> |
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8 #include <string.h> |
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9 #include <strings.h> |
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10 #include <stdio.h> |
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11 #include <stdlib.h> |
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12 #include "../../rvinterf/include/exitcodes.h" |
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13 |
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14 char *infname; |
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15 FILE *inf, *outf; |
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16 char linebuf[256]; |
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17 int lineno, record_count; |
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18 unsigned last_mv, last_percent; |
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19 |
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20 process_line() |
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21 { |
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22 char *cp; |
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23 unsigned mv, percent; |
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24 |
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25 for (cp = linebuf; isspace(*cp); cp++) |
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26 ; |
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27 if (*cp == '\0' || *cp == '#') |
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28 return(0); |
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29 if (!isdigit(*cp)) { |
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30 inv: fprintf(stderr, "%s line %d: invalid syntax\n", infname, |
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31 lineno); |
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32 exit(ERROR_USAGE); |
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33 } |
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34 mv = strtoul(cp, 0, 10); |
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35 while (isdigit(*cp)) |
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36 cp++; |
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37 if (!isspace(*cp)) |
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38 goto inv; |
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39 while (isspace(*cp)) |
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40 cp++; |
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41 if (!isdigit(*cp)) |
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42 goto inv; |
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43 percent = strtoul(cp, 0, 10); |
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44 while (isdigit(*cp)) |
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45 cp++; |
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46 if (*cp && !isspace(*cp)) |
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47 goto inv; |
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48 /* ignore possible third field added in 2020-11 for bars threshold */ |
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49 if (mv > 0xFFFF) { |
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50 fprintf(stderr, "%s line %d: the millivolt value is invalid\n", |
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51 infname, lineno); |
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52 exit(ERROR_USAGE); |
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53 } |
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54 if (percent > 100) { |
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55 fprintf(stderr, "%s line %d: the percent value is invalid\n", |
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56 infname, lineno); |
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57 exit(ERROR_USAGE); |
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58 } |
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59 if (record_count) { |
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60 if (mv >= last_mv) { |
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61 fprintf(stderr, |
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62 "%s line %d: millivolt numbers must be decreasing\n", |
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63 infname, lineno); |
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64 exit(ERROR_USAGE); |
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65 } |
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66 if (percent >= last_percent) { |
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67 fprintf(stderr, |
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68 "%s line %d: percent numbers must be decreasing\n", |
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69 infname, lineno); |
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70 exit(ERROR_USAGE); |
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71 } |
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72 } |
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73 putc(mv, outf); |
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74 putc(mv >> 8, outf); |
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75 putc(percent, outf); |
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76 putc(0, outf); |
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77 last_mv = mv; |
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78 last_percent = percent; |
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79 record_count++; |
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80 return(1); |
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81 } |
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82 |
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83 main(argc, argv) |
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84 char **argv; |
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85 { |
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86 if (argc != 3) { |
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87 fprintf(stderr, "usage: %s srcfile output-binfile\n", argv[0]); |
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88 exit(ERROR_USAGE); |
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89 } |
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90 infname = argv[1]; |
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91 inf = fopen(infname, "r"); |
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92 if (!inf) { |
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93 perror(infname); |
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94 exit(ERROR_UNIX); |
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95 } |
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96 outf = fopen(argv[2], "w"); |
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97 if (!outf) { |
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98 perror(argv[2]); |
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99 exit(ERROR_UNIX); |
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100 } |
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101 for (lineno = 1; fgets(linebuf, sizeof linebuf, inf); lineno++) |
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102 process_line(); |
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103 fclose(inf); |
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104 fclose(outf); |
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105 if (record_count) |
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106 exit(0); |
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107 fprintf(stderr, "error: %s is empty\n", infname); |
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108 exit(ERROR_USAGE); |
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109 } |