1 | /* |
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2 | * pcmmio_irq command |
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3 | * |
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4 | * COPYRIGHT (c) 1989-2009. |
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5 | * On-Line Applications Research Corporation (OAR). |
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6 | * |
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7 | * The license and distribution terms for this file may be |
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8 | * found in the file LICENSE in this distribution or at |
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9 | * http://www.rtems.com/license/LICENSE. |
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10 | * |
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11 | * $Id$ |
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12 | */ |
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13 | |
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14 | #include "pcmmio_commands.h" |
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15 | #include "mio_io.h" |
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16 | #include <rtems/stringto.h> |
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17 | |
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18 | #define __need_getopt_newlib |
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19 | #include <getopt.h> |
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20 | |
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21 | char pcmmio_irq_usage[] = |
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22 | "Usage: %s [-i iterations] [-p period] [-v] [-d|-D DAC|-a ADC]\n" |
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23 | "Where: maximum iterations defaults to 1\n" |
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24 | " the period is in milliseconds and defaults to 1000\n"; |
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25 | |
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26 | #define PRINT_USAGE() \ |
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27 | printf( pcmmio_irq_usage, argv[0] ) |
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28 | |
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29 | int main_pcmmio_irq(int argc, char **argv) |
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30 | { |
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31 | int milliseconds; |
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32 | int maximum; |
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33 | int iterations; |
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34 | int sc; |
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35 | char ch; |
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36 | bool changed; |
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37 | bool verbose; |
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38 | struct getopt_data getopt_reent; |
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39 | const char *s; |
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40 | bool do_dac = false; |
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41 | bool do_adc = false; |
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42 | bool do_din = false; |
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43 | int dac = -1; |
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44 | int adc = -1; |
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45 | int selected; |
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46 | const char *irq = ""; |
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47 | |
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48 | /* |
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49 | * Parse arguments here |
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50 | */ |
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51 | milliseconds = 1000; |
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52 | maximum = 1; |
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53 | verbose = false; |
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54 | |
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55 | memset(&getopt_reent, 0, sizeof(getopt_data)); |
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56 | while ((ch = getopt_r(argc, argv, "i:p:vdD:a:", &getopt_reent)) != -1) { |
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57 | switch (ch) { |
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58 | case 'i': /* maximum iterations */ |
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59 | s = getopt_reent.optarg; |
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60 | if ( !rtems_string_to_int( s, &maximum, NULL, 0 ) ) { |
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61 | printf( "Maximum iterations (%s) is not a number\n", s ); |
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62 | PRINT_USAGE(); |
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63 | return -1; |
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64 | } |
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65 | |
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66 | break; |
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67 | case 'p': /* sampling period */ |
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68 | s = getopt_reent.optarg; |
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69 | if ( !rtems_string_to_int( s, &milliseconds, NULL, 0 ) ) { |
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70 | printf( "Sampling period (%s) is not a number\n", s ); |
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71 | PRINT_USAGE(); |
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72 | return -1; |
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73 | } |
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74 | if ( milliseconds == 0 ) { |
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75 | printf( "Sampling period (%d) is 0\n", milliseconds ); |
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76 | PRINT_USAGE(); |
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77 | return -1; |
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78 | } |
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79 | break; |
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80 | case 'd': /* DIN enable */ |
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81 | do_din = true; |
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82 | break; |
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83 | case 'D': /* DAC enable */ |
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84 | s = getopt_reent.optarg; |
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85 | if ( !rtems_string_to_int( s, &dac, NULL, 0 ) ) { |
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86 | printf( "DAC (%s) is not a number\n", s ); |
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87 | PRINT_USAGE(); |
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88 | return -1; |
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89 | } |
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90 | |
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91 | if ( dac < 0 || dac > 7 ) { |
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92 | puts( "DAC number must be 0-7" ); |
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93 | PRINT_USAGE(); |
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94 | return -1; |
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95 | } |
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96 | |
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97 | do_dac = true; |
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98 | break; |
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99 | case 'a': /* ADC enable */ |
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100 | s = getopt_reent.optarg; |
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101 | if ( !rtems_string_to_int( s, &adc, NULL, 0 ) ) { |
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102 | printf( "ADC (%s) is not a number\n", s ); |
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103 | PRINT_USAGE(); |
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104 | return -1; |
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105 | } |
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106 | |
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107 | if ( adc < 0 || adc > 7 ) { |
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108 | puts( "ADC number must be 0-7" ); |
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109 | PRINT_USAGE(); |
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110 | return -1; |
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111 | } |
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112 | do_adc = true; |
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113 | break; |
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114 | case 'v': /* verbose */ |
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115 | verbose = true; |
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116 | break; |
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117 | default: |
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118 | printf( pcmmio_irq_usage, argv[0] ); |
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119 | return -1; |
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120 | } |
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121 | } |
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122 | |
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123 | /* |
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124 | * Did they select one item and ONLY one item? |
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125 | */ |
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126 | selected = 0; |
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127 | if ( do_din == true ) selected++; |
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128 | if ( do_dac == true ) selected++; |
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129 | if ( do_adc == true ) selected++; |
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130 | |
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131 | if ( selected == 0 ) { |
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132 | puts( "No IRQ Sources selected" ); |
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133 | return -1; |
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134 | } |
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135 | |
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136 | if ( selected > 1 ) { |
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137 | puts( "More than 1 IRQ Sources selected" ); |
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138 | return -1; |
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139 | } |
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140 | |
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141 | if ( do_din == true ) { |
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142 | irq = "DIN"; |
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143 | } else if ( do_dac == true ) { |
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144 | irq = "DAC"; |
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145 | } else if ( do_adc == true ) { |
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146 | irq = "ADC"; |
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147 | } |
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148 | if ( maximum != 1 ) |
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149 | printf( |
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150 | "Polling for %s IRQ for %d iterations with %d msec period\n", |
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151 | irq, |
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152 | maximum, |
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153 | milliseconds |
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154 | ); |
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155 | |
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156 | /* |
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157 | * Now sample in the loop |
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158 | */ |
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159 | changed = false; |
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160 | |
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161 | iterations = 1; |
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162 | while (1) { |
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163 | |
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164 | if ( do_din == true ) { |
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165 | sc = wait_dio_int_with_timeout(milliseconds); |
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166 | } else if ( do_dac == true ) { |
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167 | sc = wait_dac_int_with_timeout(dac, milliseconds); |
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168 | } else if ( do_adc == true ) { |
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169 | sc = wait_dac_int_with_timeout(adc, milliseconds); |
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170 | } |
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171 | |
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172 | #ifdef TESTING |
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173 | fprintf( stderr, "%d ", sc ); |
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174 | #endif |
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175 | if (iterations++ >= maximum ) |
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176 | break; |
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177 | |
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178 | } |
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179 | fprintf( stderr, "\n" ); |
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180 | return 0; |
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181 | } |
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182 | |
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183 | rtems_shell_cmd_t Shell_PCMMIO_IRQ_Command = { |
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184 | "pcmmio_irq", /* name */ |
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185 | "Wait for PCMMIO Interrupts", /* usage */ |
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186 | "pcmmio", /* topic */ |
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187 | main_pcmmio_irq, /* command */ |
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188 | NULL, /* alias */ |
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189 | NULL /* next */ |
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190 | }; |
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