OVMS3-idf/components/lwip/port/vfs_lwip.c
2018-05-07 09:01:56 +02:00

62 lines
1.9 KiB
C

// Copyright 2017 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <string.h>
#include <stdbool.h>
#include <stdarg.h>
#include <sys/errno.h>
#include <sys/lock.h>
#include <sys/fcntl.h>
#include "esp_vfs.h"
#include "esp_vfs_dev.h"
#include "esp_attr.h"
#include "soc/uart_struct.h"
#include "lwip/sockets.h"
#include "sdkconfig.h"
/* Non-LWIP file descriptors are from 0 to (LWIP_SOCKET_OFFSET-1).
* LWIP file descriptors are from LWIP_SOCKET_OFFSET to FD_SETSIZE-1.
*/
_Static_assert(MAX_FDS >= CONFIG_LWIP_MAX_SOCKETS, "MAX_FDS < CONFIG_LWIP_MAX_SOCKETS");
static int lwip_fcntl_r_wrapper(int fd, int cmd, va_list args);
static int lwip_ioctl_r_wrapper(int fd, int cmd, va_list args);
void esp_vfs_lwip_sockets_register()
{
esp_vfs_t vfs = {
.flags = ESP_VFS_FLAG_DEFAULT,
.write = &lwip_write_r,
.open = NULL,
.fstat = NULL,
.close = &lwip_close_r,
.read = &lwip_read_r,
.fcntl = &lwip_fcntl_r_wrapper,
.ioctl = &lwip_ioctl_r_wrapper,
};
ESP_ERROR_CHECK(esp_vfs_register_fd_range(&vfs, NULL, LWIP_SOCKET_OFFSET, MAX_FDS));
}
static int lwip_fcntl_r_wrapper(int fd, int cmd, va_list args)
{
return lwip_fcntl_r(fd, cmd, va_arg(args, int));
}
static int lwip_ioctl_r_wrapper(int fd, int cmd, va_list args)
{
return lwip_ioctl_r(fd, cmd, va_arg(args, void *));
}