Espressif Systems ESP8266EX

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3. Sample Codes

󰲧󰲧󰲧󰲧Wi-Fi_set_opmode(STATION_MODE);󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧//󰲧set󰲧station󰲧mode

󰲧󰲧󰲧󰲧Wi-Fi_station_connect();󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧//󰲧connect󰲧to󰲧AP

}

#endif

Example Two: Light-sleep Mode (RF and CPU Disabled)

ESP8266 is forced into Light-sleep mode, and both RF and CPU are disabled. Users need

to set a callback so that the program can continue after wakeup.

void󰲧fpm_wakup_cb_func1(void)

{

󰲧󰲧󰲧󰲧Wi-Fi_fpm_close();󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧//󰲧disable󰲧force󰲧sleep󰲧function

󰲧󰲧󰲧󰲧Wi-Fi_set_opmode(STATION_MODE);󰲧󰲧󰲧󰲧//󰲧set󰲧station󰲧mode

󰲧󰲧󰲧󰲧Wi-Fi_station_connect();󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧//󰲧connect󰲧to󰲧AP

}

#ifndef󰲧SLEEP_MAX

//󰲧Wakeup󰲧till󰲧time󰲧out.

void󰲧user_func(…)

{

󰲧󰲧󰲧󰲧Wi-Fi_station_disconnect();

󰲧󰲧󰲧󰲧Wi-Fi_set_opmode(NULL_MODE);󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧//󰲧set󰲧Wi-Fi󰲧mode󰲧to󰲧null󰲧mode.

󰲧󰲧󰲧󰲧Wi-Fi_fpm_set_sleep_type(LIGHT_SLEEP_T);󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧//󰲧light󰲧sleep

󰲧󰲧󰲧󰲧Wi-Fi_fpm_open();󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧//󰲧enable󰲧force󰲧sleep

󰲧󰲧󰲧󰲧Wi-Fi_fpm_set_wakeup_cb(fpm_wakup_cb_func1);󰲧󰲧󰲧󰲧󰲧//󰲧Set󰲧wakeup󰲧callback

󰲧󰲧󰲧󰲧Wi-Fi_fpm_do_sleep(50*1000);

}

#else

//󰲧Or󰲧wakeup󰲧by󰲧GPIO

void󰲧user_func(…)

{

󰲧󰲧󰲧󰲧󰲧Wi-Fi_station_disconnect();

󰲧󰲧󰲧󰲧Wi-Fi_set_opmode(NULL_MODE);󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧//󰲧set󰲧Wi-Fi󰲧mode󰲧to󰲧null󰲧mode.

󰲧󰲧󰲧󰲧Wi-Fi_fpm_set_sleep_type(LIGHT_SLEEP_T);󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧//󰲧light󰲧sleep

󰲧󰲧󰲧󰲧Wi-Fi_fpm_open();󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧//󰲧enable󰲧force󰲧sleep

󰲧󰲧󰲧󰲧PIN_FUNC_SELECT(PERIPHS_IO_MUX_MTCK_U,3);

󰲧󰲧󰲧󰲧gpio_pin_wakeup_enable(13,󰲧GPIO_PIN_INTR_LOLEVEL);

󰲧󰲧󰲧󰲧Wi-Fi_fpm_set_wakeup_cb(fpm_wakup_cb_func1);󰲧󰲧󰲧󰲧󰲧//󰲧Set󰲧wakeup󰲧callback

󰲧󰲧󰲧󰲧Wi-Fi_fpm_do_sleep(0xFFFFFFF);

}

Espressif

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2017.05

Espressif Systems ESP8266EX - Page 33