102 lines
2.0 KiB
C
102 lines
2.0 KiB
C
/*
|
|
* Copyright (c) 2018 Nordic Semiconductor ASA
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
#include <shell/shell_dummy.h>
|
|
#include <init.h>
|
|
|
|
SHELL_DUMMY_DEFINE(shell_transport_dummy);
|
|
SHELL_DEFINE(shell_dummy, CONFIG_SHELL_PROMPT_DUMMY, &shell_transport_dummy, 1,
|
|
0, SHELL_FLAG_OLF_CRLF);
|
|
|
|
static int init(const struct shell_transport *transport,
|
|
const void *config,
|
|
shell_transport_handler_t evt_handler,
|
|
void *context)
|
|
{
|
|
struct shell_dummy *sh_dummy = (struct shell_dummy *)transport->ctx;
|
|
|
|
if (sh_dummy->initialized) {
|
|
return -EINVAL;
|
|
}
|
|
|
|
sh_dummy->initialized = true;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int uninit(const struct shell_transport *transport)
|
|
{
|
|
struct shell_dummy *sh_dummy = (struct shell_dummy *)transport->ctx;
|
|
|
|
if (!sh_dummy->initialized) {
|
|
return -ENODEV;
|
|
}
|
|
|
|
sh_dummy->initialized = false;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int enable(const struct shell_transport *transport, bool blocking)
|
|
{
|
|
struct shell_dummy *sh_dummy = (struct shell_dummy *)transport->ctx;
|
|
|
|
if (!sh_dummy->initialized) {
|
|
return -ENODEV;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int write(const struct shell_transport *transport,
|
|
const void *data, size_t length, size_t *cnt)
|
|
{
|
|
struct shell_dummy *sh_dummy = (struct shell_dummy *)transport->ctx;
|
|
|
|
if (!sh_dummy->initialized) {
|
|
*cnt = 0;
|
|
return -ENODEV;
|
|
}
|
|
|
|
*cnt = length;
|
|
return 0;
|
|
}
|
|
|
|
static int read(const struct shell_transport *transport,
|
|
void *data, size_t length, size_t *cnt)
|
|
{
|
|
struct shell_dummy *sh_dummy = (struct shell_dummy *)transport->ctx;
|
|
|
|
if (!sh_dummy->initialized) {
|
|
return -ENODEV;
|
|
}
|
|
|
|
*cnt = 0;
|
|
|
|
return 0;
|
|
}
|
|
|
|
const struct shell_transport_api shell_dummy_transport_api = {
|
|
.init = init,
|
|
.uninit = uninit,
|
|
.enable = enable,
|
|
.write = write,
|
|
.read = read
|
|
};
|
|
|
|
static int enable_shell_dummy(struct device *arg)
|
|
{
|
|
ARG_UNUSED(arg);
|
|
shell_init(&shell_dummy, NULL, true, true, LOG_LEVEL_INF);
|
|
return 0;
|
|
}
|
|
SYS_INIT(enable_shell_dummy, POST_KERNEL, 0);
|
|
|
|
const struct shell *shell_backend_dummy_get_ptr(void)
|
|
{
|
|
return &shell_dummy;
|
|
}
|