zephyr/subsys/emul/emul.c

66 lines
1.4 KiB
C

/*
* Copyright 2020 Google LLC
* Copyright (c) 2020 Nordic Semiconductor ASA
*
* SPDX-License-Identifier: Apache-2.0
*/
#define LOG_LEVEL CONFIG_EMUL_LOG_LEVEL
#include <logging/log.h>
LOG_MODULE_REGISTER(emul);
#include <device.h>
#include <emul.h>
#include <string.h>
/**
* Find a an emulator using its link information
*
* @param emul Emulator info to find
* @return pointer to emulator, or NULL if not found
*/
static const struct emul *
emul_find_by_link(const struct emul_link_for_bus *emul)
{
const struct emul *erp;
for (erp = __emul_list_start; erp < __emul_list_end; erp++) {
if (strcmp(erp->dev_label, emul->label) == 0) {
return erp;
}
}
return NULL;
}
int emul_init_for_bus_from_list(const struct device *dev,
const struct emul_list_for_bus *list)
{
const struct emul_list_for_bus *cfg = dev->config;
/*
* Walk the list of children, find the corresponding emulator and
* initialise it.
*/
const struct emul_link_for_bus *elp;
const struct emul_link_for_bus *const end =
cfg->children + cfg->num_children;
LOG_INF("Registering %d emulator(s) for %s", cfg->num_children,
dev->name);
for (elp = cfg->children; elp < end; elp++) {
const struct emul *emul = emul_find_by_link(elp);
__ASSERT(emul, "Cannot find emulator for '%s'", elp->label);
int rc = emul->init(emul, dev);
if (rc != 0) {
LOG_WRN("Init %s emulator failed: %d\n",
elp->label, rc);
}
}
return 0;
}