mm.cpp

00001 #include "appCommands.h"
00002 #include "sensor.h"
00003 #include "memoriaMassa.h"
00004 
00005 #define MM_FALHA     1
00006 #define MM_FIM       2
00007 
00008 extern MemoriaMassa mm;
00009 char* respMM[3];
00010 
00011 void cmdMemoriaMassa(int channel, int block){
00012     int ch;
00013     switch(channel){
00014         case 0: // Tensao de Carga
00015             ch = APP_PARAMETERS.LOAD_CHANNEL;
00016             break;
00017         case 1: // Tensao de Linha
00018             ch = APP_PARAMETERS.LOAD_CHANNEL == 0 ? 1 : 0;
00019             break;
00020         case 2: // Corrente
00021             ch = 2;
00022             break;
00023     }
00024 
00025     if(block == 0){
00026         free(respMM[ch]);
00027         respMM[ch] = mm.getMM(ch);
00028     }
00029 
00030     if(respMM[ch] == NULL){
00031         exec.enviaResposta(RESP_MEMORIA_MASSA, MM_FALHA);
00032     } else{
00033         int mmSize = APP_PARAMETERS.MM_SIZE;
00034         if(mmSize < 0 || mmSize > 127){
00035             mmSize = 100;   // Use default
00036         }
00037         int blocks = ceil(mmSize / 25.0);
00038         if(blocks < 0 || blocks > 6){
00039             blocks = 4; // Use default of 100 entries
00040         }
00041         if(block >= blocks){
00042             exec.enviaResposta(RESP_MEMORIA_MASSA, MM_FIM);
00043             free(respMM[ch]);
00044         } else{
00045             int size = 8*25;
00046             if(block == blocks-1){
00047                 size = 8*(APP_PARAMETERS.MM_SIZE % 25);
00048                 if(size == 0){
00049                     size = 8*25;
00050                 }
00051             }
00052             exec.enviaResposta(RESP_MEMORIA_MASSA, respMM[ch]+block*8*25, size);
00053         }
00054     }
00055 }