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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 21 | f9daq | 1 | /* |
| 2 | cc32lib.c -- a simple access library for the PCICC32 PCI to CAMAC Interface from ARW Elektronik |
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| 3 | |||
| 4 | (c) 2000 ARW Elektronik |
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| 5 | |||
| 6 | this source code is published under GPL (Open Source). You can use, redistrubute and |
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| 7 | modify it unless this header is not modified or deleted. No warranty is given that |
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| 8 | this software will work like expected. |
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| 9 | This product is not authorized for use as critical component in life support systems |
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| 10 | wihout the express written approval of ARW Elektronik Germany. |
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| 11 | |||
| 12 | Please announce changes and hints to ARW Elektronik |
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| 13 | |||
| 14 | first steps derived from the LINUX pcicc32 library AR 16.03.2000 |
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| 15 | new architecture - added WINNT to DLL AR 30.07.2000 |
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| 16 | added buffer, UNTIL_NOT_Q and AUTOREAD functionality AR 17.03.2001 |
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| 17 | added interrupt handling AR 08.06.2002 |
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| 18 | */ |
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| 19 | |||
| 20 | /*--- INCLUDES -----------------------------------------------------------------------------------*/ |
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| 21 | #include <windows.h> |
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| 22 | #include <stdio.h> |
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| 23 | #include <stdlib.h> |
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| 24 | #include <string.h> |
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| 25 | #include <errno.h> |
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| 26 | |||
| 27 | #include "os_info.h" /* to determine the underlaying OS */ |
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| 28 | #include "libcc32_95.h" /* the win95 + 98 parts */ |
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| 29 | #include "libcc32_NT.h" /* the winnt part */ |
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| 30 | #include "libcc32.h" /* shared header bewteen applictaion and library */ |
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| 31 | |||
| 32 | /*--- DEFINES ------------------------------------------------------------------------------------*/ |
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| 33 | |||
| 34 | /*--- EXTERNALS ----------------------------------------------------------------------------------*/ |
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| 35 | |||
| 36 | /*--- TYPEDEFS -----------------------------------------------------------------------------------*/ |
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| 37 | typedef struct |
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| 38 | { |
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| 39 | int (*cc32_open)(char *cszPath, int nModuleNumber, void **handle); |
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| 40 | int (*cc32_close)(void *handle); |
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| 41 | unsigned short (*cc32_read_word)(void *handle, unsigned int N, unsigned int A, unsigned int F); |
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| 42 | unsigned long (*cc32_read_long)(void *handle, unsigned int N, unsigned int A, unsigned int F, char *Q, char *X); |
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| 43 | unsigned long (*cc32_read_long_all)(void *handle, unsigned int N, unsigned int A, unsigned int F); |
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| 44 | void (*cc32_write_word)(void *handle, unsigned int N, unsigned int A, unsigned int F, unsigned short uwData); |
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| 45 | void (*cc32_write_long)(void *handle, unsigned int N, unsigned int A, unsigned int F, unsigned long ulData); |
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| 46 | int (*cc32_poll_error)(void *handle, char *nTimeout, char *nLam); |
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| 47 | int (*cc32_read_word_buffer)(void * handle, unsigned int N, unsigned int A, unsigned int F, unsigned short *pwBuffer, unsigned long *pdwLen); |
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| 48 | int (*cc32_read_long_buffer)(void * handle, unsigned int N, unsigned int A, unsigned int F, unsigned long *pdwBuffer, unsigned long *pdwLen); |
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| 49 | int (*cc32_read_long_all_buffer)(void * handle, unsigned int N, unsigned int A, unsigned int F, unsigned long *pdwBuffer, unsigned long *pdwLen); |
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| 50 | int (*cc32_access_switch)(void *handle, unsigned short uwSwitch); |
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| 51 | int (*cc32_enable_interrupt)(void *handle); |
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| 52 | int (*cc32_disable_interrupt)(void *handle); |
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| 53 | int (*cc32_get_interrupt)(void *handle, unsigned long *dwStatus); |
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| 54 | } MY_ACTIONS; |
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| 55 | |||
| 56 | /*--- GLOBALS ------------------------------------------------------------------------------------*/ |
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| 57 | MY_ACTIONS ma; |
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| 58 | static BOOLEAN firstime = TRUE; |
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| 59 | |||
| 60 | /*--- FUNCTIONS -----------------------------------------------------------------------*/ |
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| 61 | |||
| 62 | //-------------------------------------------------------------------------------------- |
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| 63 | // open the device |
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| 64 | // |
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| 65 | int __declspec(dllexport) cc32_open(char *cszPath, int nModuleNumber, CC32_HANDLE *handle) |
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| 66 | { |
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| 67 | if (firstime) |
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| 68 | { |
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| 69 | if (IsWindowsNT()) |
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| 70 | { |
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| 71 | ma.cc32_open = cc32_open_NT; |
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| 72 | ma.cc32_close = cc32_close_NT; |
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| 73 | ma.cc32_read_word = cc32_read_word_NT; |
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| 74 | ma.cc32_read_long = cc32_read_long_NT; |
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| 75 | ma.cc32_read_long_all = cc32_read_long_all_NT; |
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| 76 | ma.cc32_write_word = cc32_write_word_NT; |
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| 77 | ma.cc32_write_long = cc32_write_long_NT; |
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| 78 | ma.cc32_poll_error = cc32_poll_error_NT; |
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| 79 | ma.cc32_read_word_buffer = cc32_read_word_buffer_NT; |
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| 80 | ma.cc32_read_long_buffer = cc32_read_long_buffer_NT; |
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| 81 | ma.cc32_read_long_all_buffer = cc32_read_long_all_buffer_NT; |
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| 82 | ma.cc32_access_switch = cc32_access_switch_NT; |
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| 83 | ma.cc32_enable_interrupt = cc32_enable_interrupt_NT; |
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| 84 | ma.cc32_disable_interrupt = cc32_disable_interrupt_NT; |
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| 85 | ma.cc32_get_interrupt = cc32_get_interrupt_NT; |
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| 86 | } |
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| 87 | else |
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| 88 | if (IsWindows95() || IsWindows98()) |
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| 89 | { |
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| 90 | ma.cc32_open = cc32_open_95; |
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| 91 | ma.cc32_close = cc32_close_95; |
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| 92 | ma.cc32_read_word = cc32_read_word_95; |
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| 93 | ma.cc32_read_long = cc32_read_long_95; |
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| 94 | ma.cc32_read_long_all = cc32_read_long_all_95; |
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| 95 | ma.cc32_write_word = cc32_write_word_95; |
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| 96 | ma.cc32_write_long = cc32_write_long_95; |
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| 97 | ma.cc32_poll_error = cc32_poll_error_95; |
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| 98 | ma.cc32_read_word_buffer = cc32_read_word_buffer_95; |
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| 99 | ma.cc32_read_long_buffer = cc32_read_long_buffer_95; |
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| 100 | ma.cc32_read_long_all_buffer = cc32_read_long_all_buffer_95; |
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| 101 | ma.cc32_access_switch = cc32_access_switch_95; |
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| 102 | ma.cc32_enable_interrupt = cc32_enable_interrupt_95; |
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| 103 | ma.cc32_disable_interrupt = cc32_disable_interrupt_95; |
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| 104 | ma.cc32_get_interrupt = cc32_get_interrupt_95; |
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| 105 | } |
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| 106 | else |
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| 107 | return -1; |
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| 108 | |||
| 109 | firstime = FALSE; |
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| 110 | } |
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| 111 | |||
| 112 | return ma.cc32_open(cszPath, nModuleNumber, (CC32_HANDLE *)handle); |
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| 113 | } |
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| 114 | |||
| 115 | //-------------------------------------------------------------------------------------- |
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| 116 | // close the device |
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| 117 | // |
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| 118 | int __declspec(dllexport) cc32_close(CC32_HANDLE handle) |
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| 119 | { |
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| 120 | return ma.cc32_close((CC32_HANDLE)handle); |
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| 121 | } |
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| 122 | |||
| 123 | //-------------------------------------------------------------------------------------- |
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| 124 | // read a word |
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| 125 | // |
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| 126 | unsigned short __declspec(dllexport) cc32_read_word(CC32_HANDLE handle, unsigned int N, unsigned int A, unsigned int F) |
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| 127 | { |
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| 128 | return ma.cc32_read_word((CC32_HANDLE) handle, N, A, F); |
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| 129 | } |
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| 130 | |||
| 131 | //-------------------------------------------------------------------------------------- |
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| 132 | // read a long |
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| 133 | // |
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| 134 | unsigned long __declspec(dllexport) cc32_read_long_all(CC32_HANDLE handle, unsigned int N, unsigned int A, unsigned int F) |
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| 135 | { |
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| 136 | return ma.cc32_read_long_all((CC32_HANDLE) handle, N, A, F); |
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| 137 | } |
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| 138 | |||
| 139 | //-------------------------------------------------------------------------------------- |
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| 140 | // read a long and get Q and X |
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| 141 | // |
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| 142 | unsigned long __declspec(dllexport) cc32_read_long(CC32_HANDLE handle, unsigned int N, unsigned int A, unsigned int F, char *Q, char *X) |
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| 143 | { |
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| 144 | return ma.cc32_read_long((CC32_HANDLE) handle, N, A, F, Q, X); |
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| 145 | } |
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| 146 | |||
| 147 | //-------------------------------------------------------------------------------------- |
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| 148 | // write a word |
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| 149 | // |
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| 150 | void __declspec(dllexport) cc32_write_word(CC32_HANDLE handle, unsigned int N, unsigned int A, unsigned int F, unsigned short uwData) |
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| 151 | { |
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| 152 | ma.cc32_write_word((CC32_HANDLE) handle, N, A, F, uwData); |
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| 153 | } |
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| 154 | |||
| 155 | //-------------------------------------------------------------------------------------- |
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| 156 | // write a long |
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| 157 | // |
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| 158 | void __declspec(dllexport) cc32_write_long(CC32_HANDLE handle, unsigned int N, unsigned int A, unsigned int F, unsigned long ulData) |
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| 159 | { |
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| 160 | ma.cc32_write_long((CC32_HANDLE) handle, N, A, F, ulData); |
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| 161 | } |
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| 162 | |||
| 163 | //-------------------------------------------------------------------------------------- |
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| 164 | // read and clear the PCIADA status |
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| 165 | // |
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| 166 | int __declspec(dllexport) cc32_poll_error(CC32_HANDLE handle, char *nTimeout, char *nLam) |
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| 167 | { |
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| 168 | return ma.cc32_poll_error((CC32_HANDLE) handle, nTimeout, nLam); |
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| 169 | } |
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| 170 | |||
| 171 | //-------------------------------------------------------------------------------------- |
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| 172 | // read 'len' words or 'UNTIL_NOT_Q' from a address made out of N,A,F into a buffer |
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| 173 | // |
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| 174 | int __declspec(dllexport) cc32_read_word_buffer(CC32_HANDLE handle, unsigned int N, unsigned int A, unsigned int F, |
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| 175 | unsigned short *pwBuffer, unsigned long *pdwLen) |
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| 176 | { |
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| 177 | return ma.cc32_read_word_buffer(handle, N, A, F, pwBuffer, pdwLen); |
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| 178 | } |
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| 179 | |||
| 180 | //-------------------------------------------------------------------------------------- |
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| 181 | // read 'len' longs or 'UNTIL_NOT_Q' from a address made out of N,A,F into a buffer, mask 24 bits out |
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| 182 | // |
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| 183 | int __declspec(dllexport) cc32_read_long_buffer(CC32_HANDLE handle, unsigned int N, unsigned int A, unsigned int F, |
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| 184 | unsigned long *pdwBuffer, unsigned long *pdwLen) |
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| 185 | { |
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| 186 | return ma.cc32_read_long_buffer(handle, N, A, F, pdwBuffer, pdwLen); |
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| 187 | } |
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| 188 | |||
| 189 | //-------------------------------------------------------------------------------------- |
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| 190 | // read 'len' longs or 'UNTIL_NOT_Q' from a address made out of N,A,F into a buffer, without interpretation |
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| 191 | // |
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| 192 | int __declspec(dllexport) cc32_read_long_all_buffer(CC32_HANDLE handle, unsigned int N, unsigned int A, unsigned int F, |
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| 193 | unsigned long *pdwBuffer, unsigned long *pdwLen) |
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| 194 | { |
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| 195 | return ma.cc32_read_long_all_buffer(handle, N, A, F, pdwBuffer, pdwLen); |
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| 196 | } |
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| 197 | |||
| 198 | //-------------------------------------------------------------------------------------- |
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| 199 | // set the accessmode for the path, e.g. UNTIL_NOT_Q or AUTOREAD or ... |
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| 200 | // |
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| 201 | int __declspec(dllexport) cc32_access_switch(CC32_HANDLE handle, unsigned short uwSwitch) |
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| 202 | { |
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| 203 | return ma.cc32_access_switch(handle, uwSwitch); |
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| 204 | } |
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| 205 | |||
| 206 | //-------------------------------------------------------------------------------------- |
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| 207 | // switch interrupts on |
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| 208 | // |
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| 209 | int __declspec(dllexport) cc32_enable_interrupt(CC32_HANDLE handle) |
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| 210 | { |
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| 211 | return ma.cc32_enable_interrupt(handle); |
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| 212 | } |
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| 213 | |||
| 214 | //-------------------------------------------------------------------------------------- |
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| 215 | // switch interrupts off |
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| 216 | // |
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| 217 | int __declspec(dllexport) cc32_disable_interrupt(CC32_HANDLE handle) |
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| 218 | { |
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| 219 | return ma.cc32_disable_interrupt(handle); |
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| 220 | } |
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| 221 | |||
| 222 | //-------------------------------------------------------------------------------------- |
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| 223 | // wait blocking for the next interrupt |
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| 224 | // |
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| 225 | int __declspec(dllexport) cc32_get_interrupt(CC32_HANDLE handle, unsigned long *dwStatus) |
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| 226 | { |
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| 227 | return ma.cc32_get_interrupt(handle, dwStatus); |
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| 228 | } |