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9 | f9daq | 1 | //**************************************************************************** |
2 | // Copyright (C) 2000-2004 ARW Elektronik Germany |
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3 | // |
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4 | // This program is free software; you can redistribute it and/or modify |
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5 | // it under the terms of the GNU General Public License as published by |
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6 | // the Free Software Foundation; either version 2 of the License, or |
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7 | // (at your option) any later version. |
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8 | // |
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9 | // This program is distributed in the hope that it will be useful, |
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10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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12 | // GNU General Public License for more details. |
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13 | // |
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14 | // You should have received a copy of the GNU General Public License |
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15 | // along with this program; if not, write to the Free Software |
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16 | // Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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17 | // |
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18 | // This product is not authorized for use as critical component in |
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19 | // life support systems without the express written approval of |
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20 | // ARW Elektronik Germany. |
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21 | // |
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22 | // Please announce changes and hints to ARW Elektronik |
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23 | // |
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24 | // Maintainer(s): Klaus Hitschler (klaus.hitschler@gmx.de) |
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25 | // |
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26 | //**************************************************************************** |
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27 | |||
28 | //**************************************************************************** |
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29 | // |
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30 | // simpleTest.c -- a simple test program for the PCIVME PCI to VME Interface |
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31 | // |
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32 | // $Log: simpleTest.c,v $ |
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33 | // Revision 1.4 2004/08/13 19:23:55 klaus |
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34 | // conversion to kernel-version 2.6, released version 3.0 |
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35 | // |
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36 | // Revision 1.3 2002/10/17 19:05:03 klaus |
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37 | // VME access is working through test to lib to driver |
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38 | // |
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39 | // Revision 1.2 2002/10/12 22:12:19 klaus |
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40 | // simple change |
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41 | // |
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42 | // Revision 1.1.1.1 2002/10/09 19:36:29 klaus |
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43 | // initial import |
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44 | // |
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45 | // |
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46 | //**************************************************************************** |
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47 | |||
48 | /*--- INCLUDES -----------------------------------------------------------------------------------*/ |
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49 | #include <stdio.h> |
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50 | #include <stdlib.h> |
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51 | #include <limits.h> // rand() |
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52 | #include <string.h> |
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53 | #include <unistd.h> |
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54 | #include <sys/mman.h> |
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55 | #include <linux/types.h> |
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56 | #include <errno.h> |
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57 | #include <ctype.h> |
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58 | |||
59 | #include <../driver/pcivme.h> |
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60 | #include <../lib/pcivme_ni.h> |
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61 | |||
62 | /*--- DEFINES ------------------------------------------------------------------------------------*/ |
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63 | #define DEVICE_NAME "/dev/vmemm_1" |
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64 | #define DEFAULT_WIDTH BYTE_ACCESS |
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65 | #define DEFAULT_MODIFIER 0x39 |
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66 | #define BUFFER_SIZE 0x10000 // local buffer for temporary use |
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67 | |||
68 | /*--- TYPEDEFS -----------------------------------------------------------------------------------*/ |
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69 | |||
70 | /*--- GLOBALS ------------------------------------------------------------------------------------*/ |
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71 | char *cszPrgName; |
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72 | |||
73 | /*--- FUNCTIONS ----------------------------------------------------------------------------------*/ |
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74 | void hlpMsg(void) |
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75 | { |
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76 | printf("simpleTest - a program to do a RAM test with help of the PCIVME interface of ARW Elektronik Germany.\n"); |
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77 | printf("Copyright: see the GPL of the free software foundation. K.Hitschler, %s.\n", __DATE__); |
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78 | printf("usage: simpleTest [-d=DeviceName] -s=StartAddress [-l=Length] [-m=AddressModifier] [-w=AccessWidth] [-?]\n"); |
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79 | printf(" -d - choose a device to use. (Default: %s)\n", DEVICE_NAME); |
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80 | printf(" -s=StartAddress - address to start the test, mandatory.\n"); |
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81 | printf(" -w=AccessWidth - data element width, 1,2 or 4. (Default: %d)\n", DEFAULT_WIDTH); |
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82 | printf(" -l=Length - area length to test in bytes. (Default: equal AccessWidth)\n"); |
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83 | printf(" -m=AddressModifier - VME address modifier for accesses. (Default: 0x%02x)\n", DEFAULT_MODIFIER); |
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84 | printf(" -? - this help.\n"); |
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85 | } |
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86 | |||
87 | /*--- TEST RAM LOOP ------------------------------------------------------------------------------*/ |
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362 | f9daq | 88 | __u32 SimpleRamTest(ptrdiff_t handle, __u32 start, __u32 length, __u8 accessWidth) |
9 | f9daq | 89 | { |
90 | int error = 0; |
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91 | __u32 r, w; |
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92 | __u32 dwErrorCount = 0; |
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93 | |||
94 | while (length >= accessWidth) |
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95 | { |
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96 | w = rand(); |
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97 | |||
98 | error = VMEwrite(handle, start, accessWidth, 1, &w); |
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99 | if (error) |
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100 | { |
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101 | dwErrorCount++; |
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11 | f9daq | 102 | printf("%s : Can't write @ adr: 0x%08x AM 0x%0x %d(%s)\n", cszPrgName, start, accessWidth,error, strerror(error)); |
9 | f9daq | 103 | } |
104 | else |
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105 | { |
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106 | error = VMEread(handle, start, accessWidth, 1, &r); |
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107 | if (error) |
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108 | { |
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109 | dwErrorCount++; |
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110 | printf("%s : Can't read @ adr: 0x%08x (%s)\n", cszPrgName, start, strerror(error)); |
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111 | } |
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112 | else |
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113 | { |
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114 | error = ENOANO; |
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115 | |||
116 | switch (accessWidth) |
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117 | { |
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118 | case BYTE_ACCESS: |
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119 | if ((w & 0xff) != (r & 0xff)) |
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120 | { |
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121 | dwErrorCount++; |
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122 | printf("%s : Compare failed @ adr:0x%08x w:0x%02x r:0x%02x\n",cszPrgName, start, w & 0xff, r & 0xff); |
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123 | } |
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124 | break; |
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125 | case WORD_ACCESS: |
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126 | if ((w & 0xffff) != (r & 0xffff)) |
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127 | { |
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128 | dwErrorCount++; |
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129 | printf("%s : Compare failed @ adr:0x%08x w:0x%04x r:0x%04x\n",cszPrgName, start, w & 0xffff, r & 0xffff); |
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130 | } |
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131 | break; |
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132 | case LONG_ACCESS: |
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133 | if (w != r) |
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134 | { |
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135 | dwErrorCount++; |
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136 | printf("%s : Compare failed @ adr:0x%08x w:0x%08x r:0x%08x\n",cszPrgName, start, w, r); |
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137 | } |
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138 | break; |
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139 | } |
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140 | } |
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141 | } |
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142 | length -= accessWidth; |
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143 | start += accessWidth; |
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144 | } |
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145 | |||
146 | return dwErrorCount; |
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147 | } |
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148 | |||
149 | int main(int argc, char **argv) |
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150 | { |
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151 | char *fname = DEVICE_NAME; |
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152 | char *ptr; |
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153 | char ch; |
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154 | int i; |
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155 | int error = 0; |
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362 | f9daq | 156 | ptrdiff_t handle; |
9 | f9daq | 157 | __u8 bAddressModifier = DEFAULT_MODIFIER; |
158 | __u8 bAccessWidth = DEFAULT_WIDTH; |
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159 | __u32 dwStartAddress = -1; |
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160 | __u32 dwLength = -1; |
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161 | |||
162 | //----------------------------------------------------------------------------------- |
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163 | // scan command line |
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164 | cszPrgName = argv[0]; |
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165 | for (i = 1; i < argc; i++) |
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166 | { |
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167 | ptr = argv[i]; |
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168 | |||
169 | if (*ptr == '-') |
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170 | ptr++; |
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171 | ch = *ptr; |
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172 | |||
173 | ptr++; |
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174 | if (*ptr == '=') |
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175 | ptr++; |
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176 | |||
177 | switch (tolower(ch)) |
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178 | { |
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179 | case 'h': |
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180 | case '?': hlpMsg(); exit(0); |
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181 | case 'd': fname = ptr; break; |
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182 | case 's': dwStartAddress = strtoul(ptr, NULL, 16); break; |
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183 | case 'w': bAccessWidth = (__u8)atoi(ptr); break; |
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184 | case 'l': dwLength = strtoul(ptr, NULL, 16); break; |
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185 | case 'm': bAddressModifier = (__u8)strtoul(ptr, NULL, 16); break; |
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186 | default: printf("%s : Unknown command \"%c\"!\n", cszPrgName, ch); exit(0); |
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187 | } |
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188 | } |
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189 | |||
190 | //----------------------------------------------------------------------------------- |
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191 | // test for correct parameters |
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192 | if (!fname) |
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193 | { |
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194 | printf("%s : Must have devicename!\n", cszPrgName); |
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195 | exit(EINVAL); |
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196 | } |
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197 | |||
198 | if (dwStartAddress == -1) |
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199 | { |
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200 | printf("%s : Must have a start address!\n", cszPrgName); |
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201 | exit(EINVAL); |
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202 | } |
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203 | |||
204 | if ((bAccessWidth > 4) || (bAccessWidth == 3)) |
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205 | { |
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206 | printf("%s : Illegal AccessWidth (%d)!\n", cszPrgName, bAccessWidth); |
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207 | exit(EINVAL); |
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208 | } |
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209 | |||
210 | if (bAddressModifier > 0x3F) |
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211 | { |
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212 | printf("%s : Illegal VME AddressModifer (0x%02x)!\n", cszPrgName, bAddressModifier); |
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213 | exit(EINVAL); |
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214 | } |
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215 | |||
216 | if (dwLength == -1) |
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217 | dwLength = bAccessWidth; |
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218 | |||
219 | printf("%s: Testing %s from 0x%08x to 0x%08x with Modifier 0x%02x.\n", |
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220 | cszPrgName, |
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221 | (bAccessWidth == BYTE_ACCESS) ? "bytes" : ((bAccessWidth == WORD_ACCESS) ? "words" : "longs"), |
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222 | dwStartAddress, dwStartAddress + dwLength, bAddressModifier); |
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223 | |||
224 | //----------------------------------------------------------------------------------- |
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225 | // open the path to device |
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226 | error = VMEopen(fname, bAddressModifier, &handle); |
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227 | if (error) |
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228 | { |
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229 | printf("%s : Can't open path to %s! (%s)\n", cszPrgName, fname, strerror(error)); |
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230 | exit(error); |
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11 | f9daq | 231 | } |
9 | f9daq | 232 | |
233 | //----------------------------------------------------------------------------------- |
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234 | // loop until error |
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235 | error = SimpleRamTest(handle, dwStartAddress, dwLength, bAccessWidth); |
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236 | if (error) |
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237 | printf("%s: %d test errors!\n", cszPrgName, error); |
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238 | else |
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239 | printf("%s: No test errors.\n", cszPrgName); |
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240 | |||
241 | //----------------------------------------------------------------------------------- |
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242 | // close the path to device |
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243 | error = VMEclose(handle); |
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244 | if (!error) |
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245 | printf("%s: Close OK.\n", cszPrgName); |
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246 | else |
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247 | printf("%s: Close with error, %s!\n", cszPrgName, strerror(error)); |
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248 | |||
249 | return error; |
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250 | } |
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251 |