config.h

00001 #ifndef config_H
00002 #define config_H
00003 
00004 #include "ethercat.h"
00005 
00006 
00007 //------------------------------------------------------------------------------
00008 
00009 #define LAB_1               1
00010 #define LAB_2               2
00011 
00012 #define SLAVE_NUM           2
00013 
00014 //------------------------------------------------------------------------------
00015 
00016 
00017 #define IO_MAP_SIZE 256
00018 
00019 
00020 
00021 //------------------------------------------------------------------------------
00022 
00023 typedef struct __attribute__((__packed__))
00024 {
00025     uint8_t     Alarm;
00026 }out_LAB_1t;
00027 
00028 typedef struct __attribute__((__packed__))
00029 {
00030     float       Temperature;
00031 }in_LAB_1t;
00032 
00033 //------------------------------------------------------------------------------
00034 
00035 typedef struct __attribute__((__packed__))
00036 {
00037     uint8_t     Segments;
00038 }out_LAB_2t;
00039 
00040 typedef struct __attribute__((__packed__))
00041 {
00042     uint16_t    Potentiometer;    
00043     uint8_t     Buttons;
00044 }in_LAB_2t;
00045 
00046 
00047 out_LAB_1t    *out_LAB_1;
00048 in_LAB_1t     *in_LAB_1;
00049 
00050 out_LAB_2t    *out_LAB_2;
00051 in_LAB_2t     *in_LAB_2;
00052 
00053 
00054 //------------------------------------------------------------------------------
00055 
00056 char IOmap[IO_MAP_SIZE];
00057 char IOmapSafe[IO_MAP_SIZE];   
00058 
00059 
00060 void MapLocalStructures (void)
00061 {
00062     out_LAB_1 = (out_LAB_1t*)((char *)ec_slave[LAB_1].outputs - &IOmap[0] + &IOmapSafe[0]);
00063     in_LAB_1 =  (in_LAB_1t*)((char *)ec_slave[LAB_1].inputs - &IOmap[0] + &IOmapSafe[0]);                
00064     
00065     out_LAB_2 = (out_LAB_2t*)((char *)ec_slave[LAB_2].outputs - &IOmap[0] + &IOmapSafe[0]);
00066     in_LAB_2 =  (in_LAB_2t*)((char *)ec_slave[LAB_2].inputs - &IOmap[0] + &IOmapSafe[0]);                
00067 }
00068 
00069 
00070 
00071 //------------------------------------------------------------------------------
00072 
00073 uint32_t network_configuration(void)
00074 {
00075 
00076    if (ec_slavecount != SLAVE_NUM)                          // check if the number of slaves matches what we expect
00077       return 0;                                             
00078                                                             
00079    if (strcmp(ec_slave[LAB_1].name,"LAB_1"))                // verify slave by slave that the slave names are correct  
00080       return 0;
00081    
00082    else if (strcmp(ec_slave[LAB_2].name,"LAB_2"))
00083       return 0;
00084       
00085   return 1;
00086 }
00087 
00088 
00089 #endif