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1 //========================================================================== |
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2 // |
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3 // clock0.cxx |
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4 // |
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5 // Clock test 0 |
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6 // |
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7 //========================================================================== |
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8 //####COPYRIGHTBEGIN#### |
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9 // |
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10 // ------------------------------------------- |
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11 // The contents of this file are subject to the Cygnus eCos Public License |
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12 // Version 1.0 (the "License"); you may not use this file except in |
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13 // compliance with the License. You may obtain a copy of the License at |
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14 // http://sourceware.cygnus.com/ecos |
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15 // |
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16 // Software distributed under the License is distributed on an "AS IS" |
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17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the |
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18 // License for the specific language governing rights and limitations under |
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19 // the License. |
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20 // |
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21 // The Original Code is eCos - Embedded Cygnus Operating System, released |
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22 // September 30, 1998. |
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23 // |
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24 // The Initial Developer of the Original Code is Cygnus. Portions created |
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25 // by Cygnus are Copyright (C) 1998 Cygnus Solutions. All Rights Reserved. |
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26 // ------------------------------------------- |
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27 // |
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28 //####COPYRIGHTEND#### |
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29 //========================================================================== |
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30 //#####DESCRIPTIONBEGIN#### |
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31 // |
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32 // Author(s): dsm |
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33 // Contributors: dsm |
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34 // Date: 1998-02-13 |
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35 // Description: Tests some basic clock functions. |
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36 // Omissions: Doesn't test likely boundary conditions for |
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37 // CYGNUM_KERNEL_COUNTERS_MULTI_LIST_SIZE |
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38 // Real Time Clock Testing is limited |
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39 // Options: |
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40 // CYGIMP_KERNEL_COUNTERS_SINGLE_LIST |
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41 // CYGIMP_KERNEL_COUNTERS_MULTI_LIST |
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42 // CYGVAR_KERNEL_COUNTERS_CLOCK |
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43 // CYGNUM_KERNEL_COUNTERS_MULTI_LIST_SIZE |
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44 // Assumptions: This assumes we have long long support and |
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45 // that counters are 64 bits. |
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46 //####DESCRIPTIONEND#### |
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47 |
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48 #include <pkgconf/kernel.h> |
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49 |
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50 #include <cyg/kernel/clock.hxx> |
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51 |
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52 #include <cyg/infra/testcase.h> |
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53 |
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54 #include <cyg/kernel/clock.inl> |
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55 |
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56 #include "testaux.hxx" |
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57 |
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58 #ifdef CYGVAR_KERNEL_COUNTERS_CLOCK |
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59 |
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60 cyg_alarm_fn call_me; |
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61 |
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62 bool flash( void ) |
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63 { |
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64 Cyg_Counter counter0 = Cyg_Counter(); |
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65 Cyg_Counter counter1 = Cyg_Counter(723); |
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66 |
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67 CYG_ASSERTCLASSO( counter0, "error" ); |
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68 CYG_ASSERTCLASSO( counter1, "error" ); |
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69 |
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70 Cyg_Alarm alarm0 = Cyg_Alarm(&counter0, call_me, 12); |
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71 |
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72 CYG_ASSERTCLASSO( alarm0, "error" ); |
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73 |
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74 Cyg_Clock::cyg_resolution res = {1,2}; |
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75 |
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76 Cyg_Clock clock0(res); |
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77 |
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78 CYG_ASSERTCLASSO( clock0, "error" ); |
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79 |
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80 return true; |
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81 } |
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82 |
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83 // Testing alarms |
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84 // |
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85 // call_me is a function that will be called when an alarm is |
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86 // triggered. It updates a global variable called which is CHECKed |
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87 // explicitly to see if the approriate alarms have been called. |
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88 |
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89 cyg_uint16 called = 0x0; |
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90 |
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91 void call_me(Cyg_Alarm *alarm, CYG_ADDRWORD data) |
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92 { |
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93 called ^= data; |
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94 } |
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95 |
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96 void call_me2(Cyg_Alarm *alarm, CYG_ADDRWORD data) |
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97 { |
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98 call_me(alarm, data^0x10); |
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99 } |
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100 |
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101 |
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102 void clock0_main(void) |
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103 { |
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104 CYG_TEST_INIT(); |
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105 |
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106 CHECK(flash()); |
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107 CHECK(flash()); |
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108 |
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109 const cyg_uint32 big_number = 3333222111u; |
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110 Cyg_Counter counter0 = Cyg_Counter(); |
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111 |
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112 CHECK( 0 == counter0.current_value() ); |
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113 CHECK( 0 == counter0.current_value_lo() ); |
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114 CHECK( 0 == counter0.current_value_hi() ); |
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115 |
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116 counter0.tick(); |
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117 |
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118 CHECK( 1 == counter0.current_value() ); |
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119 CHECK( 1 == counter0.current_value_lo() ); |
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120 CHECK( 0 == counter0.current_value_hi() ); |
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121 |
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122 counter0.tick(6); |
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123 |
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124 CHECK( 7 == counter0.current_value() ); |
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125 CHECK( 7 == counter0.current_value_lo() ); |
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126 CHECK( 0 == counter0.current_value_hi() ); |
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127 |
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128 counter0.set_value( 0xfffffffc ); |
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129 |
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130 CHECK( 0xfffffffc == counter0.current_value() ); |
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131 CHECK( 0xfffffffc == counter0.current_value_lo() ); |
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132 CHECK( 0 == counter0.current_value_hi() ); |
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133 |
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134 counter0.tick( 0x13 ); // Overflows 32 bits |
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135 |
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136 CHECK( 0x10000000fULL == counter0.current_value() ); |
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137 CHECK( 0xf == counter0.current_value_lo() ); |
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138 CHECK( 0x1 == counter0.current_value_hi() ); |
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139 |
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140 |
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141 Cyg_Counter counter1 = Cyg_Counter(big_number); |
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142 |
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143 CHECK( 0 == counter1.current_value() ); |
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144 CHECK( 0 == counter1.current_value_lo() ); |
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145 CHECK( 0 == counter1.current_value_hi() ); |
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146 |
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147 counter1.tick(2); |
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148 |
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149 CHECK( 2ll*big_number == counter1.current_value() ); |
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150 CHECK( ((2ll*big_number) & 0xffffffff) == |
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151 counter1.current_value_lo() ); |
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152 CHECK( ((2ll*big_number) >> 32) == counter1.current_value_hi() ); |
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153 |
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154 counter1.tick(); |
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155 |
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156 CHECK( 3ll*big_number == counter1.current_value() ); |
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157 CHECK( ((3ll*big_number) & 0xffffffff) == |
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158 counter1.current_value_lo() ); |
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159 CHECK( ((3ll*big_number) >> 32) == counter1.current_value_hi() ); |
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160 |
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161 counter1.tick(); |
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162 |
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163 CHECK( 4ll*big_number == counter1.current_value() ); |
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164 CHECK( ((4ll*big_number) & 0xffffffff) == |
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165 counter1.current_value_lo() ); |
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166 CHECK( ((4ll*big_number) >> 32) == counter1.current_value_hi() ); |
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167 |
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168 counter1.set_value(1222333444555ll); |
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169 CHECK( 1222333444555ll == counter1.current_value() ); |
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170 |
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171 counter0.set_value(11); |
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172 CHECK( 11 == counter0.current_value() ); |
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173 |
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174 // the call_me functions cause the "called" bits to toggle |
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175 // CHECKing the value of called TEST_CHECKs the parity of # of calls |
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176 // made by each alarm. |
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177 |
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178 Cyg_Alarm alarm0 = Cyg_Alarm(&counter0, call_me, 0x1); |
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179 Cyg_Alarm alarm1 = Cyg_Alarm(&counter0, call_me, 0x2); |
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180 Cyg_Alarm alarm2 = Cyg_Alarm(&counter0, call_me2, 0x4); |
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181 |
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182 CHECK( 0x00 == called ); |
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183 alarm0.initialize(12,3); |
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184 alarm2.initialize(21,2); |
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185 CHECK( 0x00 == called ); |
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186 |
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187 counter0.tick(); // 12 a0 |
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188 CHECK( 0x01 == called ); |
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189 |
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190 alarm1.initialize(13,0); |
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191 counter0.tick(); // 13 a1 |
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192 CHECK( 0x03 == called ); |
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193 |
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194 alarm1.initialize(17,0); |
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195 counter0.tick(); // 14 |
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196 CHECK( 0x03 == called ); |
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197 |
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198 counter0.tick(); // 15 a0 |
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199 CHECK( 0x02 == called ); |
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200 |
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201 counter0.tick(2); // 17 a1 |
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202 CHECK( 0x00 == called ); |
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203 |
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204 counter0.tick(); // 18 a0 |
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205 CHECK( 0x01 == called ); |
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206 |
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207 counter0.tick(3); // 21 a0 a2 |
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208 CHECK( 0x14 == called ); |
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209 |
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210 counter0.tick(2); // 23 a2 |
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211 CHECK( 0x00 == called ); |
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212 |
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213 alarm2.disable(); |
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214 |
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215 counter0.tick(2); // 25 a0(24) |
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216 CHECK( 0x01 == called ); |
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217 |
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218 alarm2.enable(); // a2 (enabled at 25) |
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219 CHECK( 0x15 == called ); |
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220 |
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221 counter0.tick(); // 26 |
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222 CHECK( 0x15 == called ); |
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223 |
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224 counter0.tick(2); // 28 a0(27) a2(27) |
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225 CHECK( 0x00 == called ); |
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226 |
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227 counter0.tick(3); // 31 a0(30) a2(29 31) |
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228 CHECK( 0x01 == called ); |
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229 |
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230 Cyg_Clock::cyg_resolution res0; |
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231 |
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232 res0.dividend = 100; |
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233 res0.divisor = 3; |
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234 |
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235 Cyg_Clock::cyg_resolution res1; |
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236 |
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237 Cyg_Clock clock0 = Cyg_Clock(res0); |
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238 |
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239 res1 = clock0.get_resolution(); |
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240 CHECK( res0.dividend == res1.dividend ); |
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241 CHECK( res0.divisor == res1.divisor ); |
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242 |
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243 res1.dividend = 12; |
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244 res1.divisor = 25; |
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245 |
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246 clock0.set_resolution(res1); |
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247 res0 = clock0.get_resolution(); |
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248 CHECK( res0.dividend == res1.dividend ); |
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249 CHECK( res0.divisor == res1.divisor ); |
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250 |
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251 res0 = Cyg_Clock::real_time_clock->get_resolution(); |
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252 |
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253 CYG_TEST_PASS_FINISH("Clock 0 OK"); |
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254 } |
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255 |
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256 externC void |
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257 cyg_start( void ) |
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258 { |
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259 clock0_main(); |
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260 } |
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261 |
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262 #else // def CYGVAR_KERNEL_COUNTERS_CLOCK |
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263 |
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264 externC void |
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265 cyg_start( void ) |
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266 { |
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267 CYG_TEST_INIT(); |
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268 CYG_TEST_PASS_FINISH( "N/A: Kernel real-time clock disabled"); |
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269 } |
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270 |
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271 #endif // def CYGVAR_KERNEL_COUNTERS_CLOCK |
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272 // EOF clock0.cxx |
