diff options
Diffstat (limited to 'pcilib/views.c')
-rw-r--r-- | pcilib/views.c | 153 |
1 files changed, 46 insertions, 107 deletions
diff --git a/pcilib/views.c b/pcilib/views.c index 0e3d26d..2a0969c 100644 --- a/pcilib/views.c +++ b/pcilib/views.c @@ -242,7 +242,6 @@ int pcilib_read_view(pcilib_t *ctx, const char *bank, const char *regname, const { int i,j,err=0; pcilib_register_value_t temp_value; - char* formula; /* we get the index of the register to find the corresponding register context*/ if((i=pcilib_find_register(ctx,bank,regname))==PCILIB_REGISTER_INVALID){ @@ -256,59 +255,27 @@ int pcilib_read_view(pcilib_t *ctx, const char *bank, const char *regname, const pcilib_error("can't read the register %s value before applying views : error %i",regname); return PCILIB_ERROR_INVALID_REQUEST; } - /*in the case we don't ask for a view's name, we know it will be for views of type enum. Especially, it's faster to search directly on the values of those views instead of a given name. - we iterate so through the views of type enum to verify if the value we have corresponds to an enum command*/ - if(!(unit)){ - for(j=0; ctx->register_ctx[i].enums[j].value;j++){ - if((temp_value >= ctx->register_ctx[i].enums[j].min) && (temp_value <= ctx->register_ctx[i].enums[j].max)){ - value_size=strlen(ctx->register_ctx[i].enums[j].name)*sizeof(char); - value=(char*)realloc(value,sizeof(value_size)); - if(!(value)){ - pcilib_error("can't allocate memory for the returning value of the view"); - return PCILIB_ERROR_MEMORY; + + for(j=0;ctx->register_ctx[i].views[j].name;j++){ + if(!(strcasecmp(ctx->register_ctx[i].views[j].base_unit.name,unit))){/*if we asked for the unit "name"*/ + err=ctx->register_ctx[i].views[j].op(ctx,ctx->register_ctx[i].views[j].parameters,value/*the command name*/,0,&temp_value,0,&(ctx->register_ctx[i].views[j])); + if(err){ + pcilib_error("can't write to the register with the enum view"); + return PCILIB_ERROR_FAILED; } - /* in the case the value of register is between min and max, then we return the correponding enum command*/ - strncpy((char*)value,ctx->register_ctx[i].enums[j].name, strlen(ctx->register_ctx[i].enums[j].name)); - /* make sure the string is correctly terminated*/ - ((char*)value)[value_size]='\0'; - return 0; - } - } - pcilib_warning("the value of the register asked do not correspond to any enum views"); - return PCILIB_ERROR_NOTAVAILABLE; - } - - /** in the other case we ask for a view of type formula. Indeed, wa can't directly ask for a formula, so we have to provide a name for those views*/ - j=0; - if(!(strcasecmp(unit, ctx->register_ctx[i].formulas[0].base_unit.name))){ - formula=malloc(sizeof(char)*strlen(ctx->register_ctx[i].formulas[0].read_formula)); - if(!(formula)){ - pcilib_error("can't allocate memory for the formula"); - return PCILIB_ERROR_MEMORY; + break; + }else if(!(strcasecmp(ctx->register_ctx[i].views[j].name,(char*)unit))){/*in this case we asked for the name of the view in unit*/ + err=ctx->register_ctx[i].views[j].op(ctx,ctx->register_ctx[i].views[j].parameters,(char*)unit, 0, &temp_value,0,&(ctx->register_ctx[i].views[j])); + if(err){ + pcilib_error("can't write to the register with the formula view %s", unit); + return PCILIB_ERROR_FAILED; } - strncpy(formula,ctx->register_ctx[i].formulas[0].read_formula,strlen(ctx->register_ctx[i].formulas[0].read_formula)); - pcilib_view_apply_formula(ctx,formula,temp_value,value,0); - value_size=sizeof(int); - return 0; - } - - for(j=0; ctx->register_ctx[i].formulas[0].base_unit.other_units[j].name;j++){ - if(!(strcasecmp(ctx->register_ctx[i].formulas[0].base_unit.other_units[j].name,unit))){ - /* when we have found the correct view of type formula, we apply the formula, that get the good value for return*/ - formula=malloc(sizeof(char)*strlen(ctx->register_ctx[i].formulas[0].read_formula)); - if(!(formula)){ - pcilib_error("can't allocate memory for the formula"); - return PCILIB_ERROR_MEMORY; + *(pcilib_register_value_t*)value=temp_value; + break; } - strncpy(formula,ctx->register_ctx[i].formulas[0].read_formula,strlen(ctx->register_ctx[i].formulas[0].read_formula)); - pcilib_view_apply_formula(ctx,formula,temp_value,value,0); - pcilib_view_apply_unit(ctx->register_ctx[i].formulas[0].base_unit.other_units[j],unit,value); - value_size=sizeof(int); - return 0; + return 0; } - } - - pcilib_warning("the view asked and the register do not correspond"); + pcilib_error("the view asked and the register do not correspond"); return PCILIB_ERROR_NOTAVAILABLE; } @@ -319,7 +286,6 @@ int pcilib_read_view(pcilib_t *ctx, const char *bank, const char *regname, const int pcilib_write_view(pcilib_t *ctx, const char *bank, const char *regname, const char *unit, size_t value_size,void* value){ int i,j; pcilib_register_value_t temp_value; - char *formula; int err; /* we get the index of the register to find the corresponding register context*/ @@ -328,17 +294,17 @@ int pcilib_write_view(pcilib_t *ctx, const char *bank, const char *regname, cons return PCILIB_ERROR_INVALID_REQUEST; } - for(j=0;ctx>register_ctx[i].views[j].name;j++){ - if(!(strcasecmp(ctx->register_ctx[i].views[j].base_unit,unit))){ - err=ctx->register_ctx[i].views[j].op(ctx,ctx->register_ctx[i].views[j].parameters,unit,1,&temp_value,value); - temp_value=ctx->register_ctx[i].views[value].value; + for(j=0;ctx->register_ctx[i].views[j].name;j++){ + if(!(strcasecmp(ctx->register_ctx[i].views[j].base_unit.name,unit))){/*if we asked for the unit "name"*/ + err=ctx->register_ctx[i].views[j].op(ctx,ctx->register_ctx[i].views[j].parameters,value/*the command name*/,1,&temp_value,0,&(ctx->register_ctx[i].views[j])); if(err){ pcilib_error("can't write to the register with the enum view"); return PCILIB_ERROR_FAILED; } break; - }else if(!(strcasecmp(ctx->register_ctx[i].views[j].name,unit))){ - err=ctx->register_ctx[i].views[j].op(ctx,ctx->register_ctx[i].views[j].parameters, unit, 1, &temp_value,0,&(ctx->register_ctx[i].views[j])); + }else if(!(strcasecmp(ctx->register_ctx[i].views[j].name,(char*)unit))){/*in this case we asked for then name of the view in unit*/ + temp_value=*(pcilib_register_value_t*)value /*the value to put in the register*/; + err=ctx->register_ctx[i].views[j].op(ctx,ctx->register_ctx[i].views[j].parameters, (char*)unit, 1, &temp_value,0,&(ctx->register_ctx[i].views[j])); if(err){ pcilib_error("can't write to the register with the formula view %s", unit); return PCILIB_ERROR_FAILED; @@ -349,73 +315,46 @@ int pcilib_write_view(pcilib_t *ctx, const char *bank, const char *regname, cons return 0; } - - /*here, in the case of views of type enum, view will correspond to the enum command. - we iterate so through the views of type enum to get the value corresponding to the enum command* - for(j=0; ctx->register_ctx[i].enums[j].name;j++){ - /* we should maybe have another to do it there* - if(!(strcasecmp(ctx->register_ctx[i].enums[j].name,unit))){ - pcilib_write_register(ctx,bank,regname,ctx->register_ctx[i].enums[j].value); - return 0; - } - } - - /** in the other case we ask for a view of type formula. Indeed, wa can't directly ask for a formula, so we have to provide a name for those views in view, and the value we want to write in value*/ - /* j=0; - if(!(strcasecmp(unit, ctx->register_ctx[i].formulas[0].base_unit.name))){ - formula=malloc(sizeof(char)*strlen(ctx->register_ctx[i].formulas[0].write_formula)); - strncpy(formula,ctx->register_ctx[i].formulas[0].write_formula,strlen(ctx->register_ctx[i].formulas[0].write_formula)); - pcilib_view_apply_formula(ctx,formula,*(pcilib_register_value_t*)value,&temp_value,1); - pcilib_write_register(ctx,bank,regname,temp_value); - return 0; - } - - for(j=0; ctx->register_ctx[i].formulas[0].base_unit.other_units[j].name;j++){ - if(!(strcasecmp(ctx->register_ctx[i].formulas[0].base_unit.other_units[j].name,unit))){ - /* when we have found the correct view of type formula, we apply the formula, that get the good value for return* - formula=malloc(sizeof(char)*strlen(ctx->register_ctx[i].formulas[0].write_formula)); - strncpy(formula,ctx->register_ctx[i].formulas[0].write_formula,strlen(ctx->register_ctx[i].formulas[0].write_formula)); - pcilib_view_apply_unit(ctx->register_ctx[i].formulas[0].base_unit.other_units[j],unit,value); - pcilib_view_apply_formula(ctx,formula,*(pcilib_register_value_t*)value,&temp_value,1); - /* we maybe need some error checking there , like temp_value >min and <max* - pcilib_write_register(ctx,bank,regname,temp_value); - return 0; - } - }*/ pcilib_error("the view asked and the register do not correspond"); return PCILIB_ERROR_NOTAVAILABLE; } -/** viewval=enum command, params=current parameters of view, regval=enum value*/ -int operation_enum(pcilib_t *ctx, void *params/*name*/, char* name, int read_or_write, pcilib_register_value_t *regval, size_t viewval_size, void* viewval){ +/** + * always: viewval=view params=view params + * write: name=enum command regval:the value corresponding to the command + */ +int operation_enum(pcilib_t *ctx, void *params, char* name, int view2reg, pcilib_register_value_t *regval, size_t viewval_size, void* viewval){ int j,k; - if(read_or_write==1){ + if(view2reg==1){ for(j=0; ((pcilib_view_enum_t*)(params))[j].name;j++){ - if(!(strcasecmp(((pcilib_view_enum_t*)(params))[j].name,(char*)viewval))){ - return j; + if(!(strcasecmp(((pcilib_view_enum_t*)(params))[j].name,name))){ + *regval=((pcilib_view_enum_t*)(params))[j].value; + return 0; } } - }else if (read_or_write==0){ + }else if (view2reg==0){ for(j=0; ((pcilib_view_enum_t*)(params))[j].name;j++){ if (*regval<((pcilib_view_enum_t*)(params))[j].max && *regval>((pcilib_view_enum_t*)(params))[j].min){ - viewval=(char*)realloc(viewval,strlen(((pcilib_view_enum_t*)(params))[j].name)*sizeof(char)); - strncpy((char*)viewval,((pcilib_view_enum_t*)(params))[j].name, strlen(((pcilib_view_enum_t*)(params))[j].name)); + name=(char*)realloc(name,strlen(((pcilib_view_enum_t*)(params))[j].name)*sizeof(char)); + strncpy(name,((pcilib_view_enum_t*)(params))[j].name, strlen(((pcilib_view_enum_t*)(params))[j].name)); k=strlen(((pcilib_view_enum_t*)(params))[j].name); - ((char*)regval)[k]='\0'; + name[k]='\0'; return 0; } } } - return -1; + return PCILIB_ERROR_INVALID_REQUEST; } -/** viewsval=the current view, params=current view parameters*/ -int operation_formula(pcilib_t *ctx, void *params/*name*/, char* unit, int read_or_write, pcilib_register_value_t *regval, size_t viewval_size, void* viewval){ +/** + * pârams: view params unit=unit wanted regval:value before formula/after formula viewval=view + */ +int operation_formula(pcilib_t *ctx, void *params, char* unit, int view2reg, pcilib_register_value_t *regval, size_t viewval_size, void* viewval){ int j=0; - char* formula; pcilib_register_value_t value=0; + char* formula; - if(read_or_write==0){ + if(view2reg==0){ if(!(strcasecmp(unit, ((pcilib_view_t*)viewval)->base_unit.name))){ formula=malloc(sizeof(char)*strlen(((pcilib_formula_t*)params)->read_formula)); if(!(formula)){ @@ -441,8 +380,7 @@ int operation_formula(pcilib_t *ctx, void *params/*name*/, char* unit, int read_ return value; } } - }else if(read_or_write==1){ - j=0; + }else if(view2reg==1){ if(!(strcasecmp(unit, ((pcilib_view_t*)viewval)->base_unit.name))){ formula=malloc(sizeof(char)*strlen(((pcilib_formula_t*)params)->write_formula)); strncpy(formula,((pcilib_formula_t*)params)->write_formula,strlen(((pcilib_formula_t*)params)->write_formula)); @@ -457,12 +395,13 @@ int operation_formula(pcilib_t *ctx, void *params/*name*/, char* unit, int read_ strncpy(formula,((pcilib_formula_t*)params)->write_formula,strlen((( pcilib_formula_t*)params)->write_formula)); pcilib_view_apply_unit(((pcilib_view_t*)viewval)->base_unit.other_units[j],unit,&value); pcilib_view_apply_formula(ctx,formula,*regval,&value,1); + *regval=value; /* we maybe need some error checking there , like temp_value >min and <max*/ return 0; } } } - return -1; + return PCILIB_ERROR_INVALID_REQUEST; } |