75 lines
2.2 KiB
C
75 lines
2.2 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"
|
|
#include "lwip/sys.h"
|
|
|
|
_Static_assert(MAX_FDS >= CONFIG_LWIP_MAX_SOCKETS, "MAX_FDS < CONFIG_LWIP_MAX_SOCKETS");
|
|
|
|
static void lwip_stop_socket_select()
|
|
{
|
|
sys_sem_signal(sys_thread_sem_get()); //socket_select will return
|
|
}
|
|
|
|
static void lwip_stop_socket_select_isr(BaseType_t *woken)
|
|
{
|
|
if (sys_sem_signal_isr(sys_thread_sem_get()) && woken) {
|
|
*woken = pdTRUE;
|
|
}
|
|
}
|
|
|
|
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 *));
|
|
}
|
|
|
|
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,
|
|
.socket_select = &lwip_select,
|
|
.stop_socket_select = &lwip_stop_socket_select,
|
|
.stop_socket_select_isr = &lwip_stop_socket_select_isr,
|
|
};
|
|
/* Non-LWIP file descriptors are from 0 to (LWIP_SOCKET_OFFSET-1). LWIP
|
|
* file descriptors are registered from LWIP_SOCKET_OFFSET to
|
|
* MAX_FDS-1.
|
|
*/
|
|
|
|
ESP_ERROR_CHECK(esp_vfs_register_fd_range(&vfs, NULL, LWIP_SOCKET_OFFSET, MAX_FDS));
|
|
}
|