测试现象:wifi_set_promiscuous_rx_cb注册的回调并没有调用,PC一直向6信道发送数据
使用:主要是使用Sniffer模式简单评估信道的利用率
代码如下:
Code: Select all
/*
* ESPRSSIF MIT License
*
* Copyright (c) 2015 <ESPRESSIF SYSTEMS (SHANGHAI) PTE LTD>
*
* Permission is hereby granted for use on ESPRESSIF SYSTEMS ESP8266 only, in which case,
* it is free of charge, to any person obtaining a copy of this software and associated
* documentation files (the "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the Software is furnished
* to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or
* substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
#include "esp_common.h"
#include "user_config.h"
#include "uart.h"
static void promisc_cb(uint8 *buf, uint16 len);
#define printmac(buf, i) printf("\t%02X:%02X:%02X:%02X:%02X:%02X", buf[i+0], buf[i+1], buf[i+2], \
buf[i+3], buf[i+4], buf[i+5])
/******************************************************************************
* FunctionName : user_rf_cal_sector_set
* Description : SDK just reversed 4 sectors, used for rf init data and paramters.
* We add this function to force users to set rf cal sector, since
* we don't know which sector is free in user's application.
* sector map for last several sectors : ABCCC
* A : rf cal
* B : rf init data
* C : sdk parameters
* Parameters : none
* Returns : rf cal sector
*******************************************************************************/
uint32 user_rf_cal_sector_set(void)
{
flash_size_map size_map = system_get_flash_size_map();
uint32 rf_cal_sec = 0;
switch (size_map) {
case FLASH_SIZE_4M_MAP_256_256:
rf_cal_sec = 128 - 5;
break;
case FLASH_SIZE_8M_MAP_512_512:
rf_cal_sec = 256 - 5;
break;
case FLASH_SIZE_16M_MAP_512_512:
case FLASH_SIZE_16M_MAP_1024_1024:
rf_cal_sec = 512 - 5;
break;
case FLASH_SIZE_32M_MAP_512_512:
case FLASH_SIZE_32M_MAP_1024_1024:
rf_cal_sec = 1024 - 5;
break;
default:
rf_cal_sec = 0;
break;
}
return rf_cal_sec;
}
void test_task(void *pvParameters)
{
while(1)
{
//printf("SDK version:%s\n", system_get_sdk_version());
vTaskDelay(500);
/*uint8 new_channel = wifi_get_channel() % 12 + 1;
printf("** hop to %d **\n", new_channel);
wifi_set_channel(new_channel);*/
printf("** channel : %d **\n", wifi_get_channel());
}
}
static void promisc_cb(uint8 *buf, uint16 len)
{
printf("-> %3d: %d", wifi_get_channel(), len);
//printmac(buf, 4);
//printmac(buf, 10);
//printmac(buf, 16);
printf("\n");
}
/******************************************************************************
* FunctionName : user_init
* Description : entry of user application, init user function here
* Parameters : none
* Returns : none
*******************************************************************************/
void user_init(void)
{
wifi_station_set_auto_connect(0);
//uart_init_new();
printf("SDK version:%s\n", system_get_sdk_version());
//os_delay_us(100);
// Promiscuous works only with station mode
printf(" -> Set opmode ... ");
wifi_set_opmode( 0x1 );//1---STATION_MODE
printf("done.\n");
// Set up promiscuous callback
wifi_set_channel(6);
//wifi_promiscuous_enable(0);
printf(" -> Promisc mode setup ... ");
wifi_set_promiscuous_rx_cb(promisc_cb);
wifi_promiscuous_enable(1);
printf("done.\n");
xTaskCreate(test_task, "test_task", 512, NULL, 3, NULL);
printf(" -> Init finished!\n\n");
}