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Viewing changes to pcilib/view.c

  • Committer: Suren A. Chilingaryan
  • Date: 2015-10-12 23:59:17 UTC
  • Revision ID: csa@suren.me-20151012235917-s5oi62kmu8khjl0t
Support writting register views

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Lines of Context:
pcilib/view.c
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}
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    // We expect symmetric units. Therefore, we don't distringuish if we read or write
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static int pcilib_detect_register_view_and_unit(pcilib_t *ctx, pcilib_register_t reg, const char *name, pcilib_view_context_t **ret_view, pcilib_unit_transform_t **ret_trans) {
 
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static int pcilib_detect_register_view_and_unit(pcilib_t *ctx, pcilib_register_t reg, const char *name, int write_direction, pcilib_view_context_t **ret_view, pcilib_unit_transform_t **ret_trans) {
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    pcilib_view_t i;
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    pcilib_view_context_t *view_ctx;
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    pcilib_view_description_t *view_desc;
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        view_desc = ctx->views[view_ctx->view];
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        if (view_desc->unit) {
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            trans = pcilib_find_transform_by_unit_names(ctx, view_desc->unit, name);
 
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            if (write_direction)
 
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                trans = pcilib_find_transform_by_unit_names(ctx, name, view_desc->unit);
 
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            else
 
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                trans = pcilib_find_transform_by_unit_names(ctx, view_desc->unit, name);
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            if (trans) {
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                if (ret_trans) *ret_trans = trans;
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                if (ret_view) *ret_view = pcilib_find_view_context_by_name(ctx, view_desc->name);
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    int err;
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    pcilib_view_context_t *view;
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    err = pcilib_detect_register_view_and_unit(ctx, reg, name, &view, NULL);
 
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    err = pcilib_detect_register_view_and_unit(ctx, reg, name, 0, &view, NULL);
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    if (err) return NULL;
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    return view;
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            return PCILIB_ERROR_NOTFOUND;
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        }
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        // get value
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        if (unit_name) view_ctx = pcilib_find_register_view_context_by_name(ctx, reg, view_name);
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        else err = pcilib_detect_register_view_and_unit(ctx, reg, view_name, &view_ctx, &trans);
 
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        else err = pcilib_detect_register_view_and_unit(ctx, reg, view_name, write_direction, &view_ctx, &trans);
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        if ((err)||(!view_ctx)) {
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            pcilib_error("Can't find the specified view %s for register %s", view_name, regname);
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        if (err) return err;
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    }
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    err = v->api->write_to_reg(ctx, cfg.view, &regvalue, &val);
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    if (err) {
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        if (regname) 
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        return err;
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    }
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    if (regname) {
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        err = pcilib_write_register_by_id(ctx, cfg.reg, regvalue);
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        if (err) {