FreeCalypso > hg > freecalypso-tools
annotate ffstools/newcomp/compile-fc-chg.c @ 700:db9a8e88e63f
target-utils lunadrv program written, compiles
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Thu, 07 May 2020 02:19:51 +0000 |
parents | 0937521ec2f4 |
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rev | line source |
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compile-fc-chg tool written, compiles
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1 /* |
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2 * This utility compiles a FreeCalypso battery charging configuration file |
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3 * from ASCII source into the binary form suitable for uploading into |
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4 * /etc/charging 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; |
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16 char linebuf[256]; |
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17 int lineno; |
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18 |
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19 struct setting { |
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20 char *kw; |
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21 int allow_always; |
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22 int allow_never; |
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23 int mandatory; |
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24 unsigned default_value; |
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25 unsigned set_value; |
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26 int is_set; |
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27 } settings[] = { |
324
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28 {"start-delay", 0, 0, 0, 0, 0, 0}, |
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29 {"start-threshold", 1, 1, 1, 0, 0, 0}, |
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30 {"restart-threshold", 0, 1, 1, 0, 0, 0}, |
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31 {"ci2cv-threshold", 0, 0, 1, 0, 0, 0}, |
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32 {"cv-initial-setpoint", 0, 0, 1, 0, 0, 0}, |
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33 {"cv-ctrl-loop-high", 0, 0, 1, 0, 0, 0}, |
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34 {"cv-ctrl-loop-low", 0, 0, 1, 0, 0, 0}, |
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35 {"cv-dac-max-incr", 0, 0, 1, 0, 0, 0}, |
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36 {"cv-dac-max-decr", 0, 0, 1, 0, 0, 0}, |
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37 {"cv-ctrl-loop-sample-count", 0, 0, 1, 0, 0, 0}, |
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38 {"overvoltage", 0, 0, 0, 0xFFFF, 0, 0}, |
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39 {"ci-current", 0, 0, 1, 0, 0, 0}, |
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40 {"end-current", 0, 0, 1, 0, 0, 0}, |
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41 {"ichg-max-spike", 0, 0, 0, 0x400, 0, 0}, |
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42 {"ichg-low-samples-needed", 0, 0, 1, 0, 0, 0}, |
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43 {"charging-time-limit", 0, 0, 0, 0xFFFF, 0, 0}, |
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44 {"restart-delay", 0, 0, 0, 0, 0, 0}, |
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45 {"i2v-offset", 0, 0, 0, 0, 0, 0}, |
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46 {0, 0, 0, 0, 0, 0, 0} |
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47 }; |
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48 |
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49 static void |
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50 do_setting(tp, arg) |
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51 struct setting *tp; |
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52 char *arg; |
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53 { |
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54 char *endp; |
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55 |
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56 if (tp->allow_always && !strcmp(arg, "always")) { |
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57 tp->set_value = 0xFFFF; |
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58 return; |
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59 } |
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60 if (tp->allow_never && !strcmp(arg, "never")) { |
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61 tp->set_value = 0; |
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62 return; |
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63 } |
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64 tp->set_value = strtoul(arg, &endp, 0); |
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65 if (*endp || tp->set_value > 0xFFFF) { |
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66 fprintf(stderr, "%s line %d: invalid argument to %s\n", |
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67 infname, lineno, tp->kw); |
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68 exit(ERROR_USAGE); |
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69 } |
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70 } |
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71 |
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72 process_line() |
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73 { |
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74 char *cp, *kw, *arg; |
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75 struct setting *tp; |
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76 |
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77 for (cp = linebuf; isspace(*cp); cp++) |
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78 ; |
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79 if (*cp == '\0' || *cp == '#') |
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80 return(0); |
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81 kw = cp; |
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82 while (*cp && !isspace(*cp)) |
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83 cp++; |
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84 if (!*cp) { |
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85 inv: fprintf(stderr, "%s line %d: invalid syntax\n", infname, |
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86 lineno); |
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87 exit(ERROR_USAGE); |
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88 } |
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89 *cp++ = '\0'; |
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90 while (isspace(*cp)) |
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91 cp++; |
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92 if (*cp == '\0' || *cp == '#') |
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93 goto inv; |
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94 arg = cp; |
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95 while (*cp && !isspace(*cp)) |
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96 cp++; |
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97 if (*cp) |
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98 *cp++ = '\0'; |
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99 while (isspace(*cp)) |
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100 cp++; |
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101 if (*cp != '\0' && *cp != '#') |
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102 goto inv; |
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103 for (tp = settings; tp->kw; tp++) |
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104 if (!strcmp(tp->kw, kw)) |
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105 break; |
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106 if (!tp->kw) { |
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107 fprintf(stderr, "%s line %d: setting \"%s\" not known\n", |
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108 infname, lineno, kw); |
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109 exit(ERROR_USAGE); |
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110 } |
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111 if (tp->is_set) { |
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112 fprintf(stderr, "%s line %d: %s set more than once\n", infname, |
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113 lineno, kw); |
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114 exit(ERROR_USAGE); |
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115 } |
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116 do_setting(tp, arg); |
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117 tp->is_set = 1; |
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118 return(1); |
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119 } |
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120 |
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121 set_defaults() |
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122 { |
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123 struct setting *tp; |
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124 |
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125 for (tp = settings; tp->kw; tp++) { |
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126 if (tp->is_set) |
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127 continue; |
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128 if (tp->mandatory) { |
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129 fprintf(stderr, |
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130 "error: required setting %s is not set\n", |
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131 tp->kw); |
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132 exit(ERROR_USAGE); |
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133 } |
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134 tp->set_value = tp->default_value; |
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135 } |
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136 } |
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137 |
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138 write_output(filename) |
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139 char *filename; |
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140 { |
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141 FILE *of; |
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142 struct setting *tp; |
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143 |
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144 of = fopen(filename, "w"); |
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145 if (!of) { |
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146 perror(filename); |
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147 exit(ERROR_UNIX); |
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148 } |
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149 for (tp = settings; tp->kw; tp++) { |
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150 putc(tp->set_value, of); |
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151 putc(tp->set_value >> 8, of); |
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152 } |
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153 fclose(of); |
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154 } |
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155 |
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156 main(argc, argv) |
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157 char **argv; |
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158 { |
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159 if (argc != 3) { |
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160 fprintf(stderr, "usage: %s srcfile output-binfile\n", argv[0]); |
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161 exit(ERROR_USAGE); |
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162 } |
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163 infname = argv[1]; |
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164 inf = fopen(infname, "r"); |
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165 if (!inf) { |
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166 perror(infname); |
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167 exit(ERROR_UNIX); |
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168 } |
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169 for (lineno = 1; fgets(linebuf, sizeof linebuf, inf); lineno++) |
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170 process_line(); |
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171 fclose(inf); |
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172 set_defaults(); |
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173 write_output(argv[2]); |
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174 exit(0); |
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175 } |