Prvni ulozeni z chegewara githubu

libraries/WiFi/examples/FTM/FTM_Responder/FTM_Responder.ino

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+/* Wi-Fi FTM Responder Arduino Example
+
+  This example code is in the Public Domain (or CC0 licensed, at your option.)
+
+  Unless required by applicable law or agreed to in writing, this
+  software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+  CONDITIONS OF ANY KIND, either express or implied.
+*/
+#include "WiFi.h"
+// Change the SSID and PASSWORD here if needed
+const char * WIFI_FTM_SSID = "WiFi_FTM_Responder";
+const char * WIFI_FTM_PASS = "ftm_responder";
+
+void setup() {
+  Serial.begin(115200);
+  Serial.println("Starting SoftAP with FTM Responder support");
+  // Enable AP with FTM support (last argument is 'true')
+  WiFi.softAP(WIFI_FTM_SSID, WIFI_FTM_PASS, 1, 0, 4, true);
+}
+
+void loop() {
+  delay(1000);
+}

libraries/WiFi/examples/FTM/FTM_Responder/README.md

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+# Wi-Fi FTM Responder Arduino Example
+
+This example demonstrates how to use the Fine Timing Measurement (FTM) to calculate the distace from the Access Point and the device. This is calculated by the Wi-Fi Round Trip Time (Wi-Fi RTT) introduced on the [IEEE Std 802.11-2016](https://en.wikipedia.org/wiki/IEEE_802.11mc) standard.
+
+This example will simulate the Router with FTM capability.
+
+This example was based on the [ESP-IDF FTM](https://github.com/espressif/esp-idf/tree/master/examples/wifi/ftm). See the README file for more details about on how to use this feature.
+
+Some usages for this feature includes:
+
+* Indoor positioning systems.
+* Navigation.
+* Device Location.
+* Smart Devices.
+* Alarms.
+
+# Supported Targets
+
+Currently, this example supports the following targets:
+
+| Supported Targets | ESP32-S2 | ESP32-C3 |
+| ----------------- | -------- | -------- |
+
+## How to Use Example
+
+See the **Initiator** example to prepare the environment.
+
+* How to install the Arduino IDE: [Install Arduino IDE](https://github.com/espressif/arduino-esp32/tree/master/docs/arduino-ide).
+
+### Configure the Project
+
+To configure this project, you can change the following configuration related to STA:
+
+```c
+// Change the SSID and PASSWORD here if needed
+const char * WIFI_FTM_SSID = "WiFi_FTM_Responder";
+const char * WIFI_FTM_PASS = "ftm_responder";
+```
+
+* Change the Wi-Fi `SSID` and `PASSWORD` as the same as the Initiator.
+
+To see more details about FTM, please see the [ESP-IDF docs](https://docs.espressif.com/projects/esp-idf/en/latest/esp32s2/api-reference/network/esp_wifi.html).
+
+#### Using Arduino IDE
+
+To get more information about the Espressif boards see [Espressif Development Kits](https://www.espressif.com/en/products/devkits).
+
+* Before Compile/Verify, select the correct board: `Tools -> Board`.
+* Select the COM port: `Tools -> Port: xxx` where the `xxx` is the detected COM port.
+
+#### Using Platform IO
+
+* Select the COM port: `Devices` or setting the `upload_port` option on the `platformio.ini` file.
+
+## Log Output
+
+Expected log output:
+
+```
+Build:Oct 25 2019
+rst:0x1 (POWERON),boot:0x8 (SPI_FAST_FLASH_BOOT)
+SPIWP:0xee
+mode:DIO, clock div:1
+load:0x3ffe6100,len:0x4b0
+load:0x4004c000,len:0xa6c
+load:0x40050000,len:0x25c4
+entry 0x4004c198
+Starting SoftAP with FTM Responder support
+```
+
+## Troubleshooting
+
+***Important: Make sure you are using a good quality USB cable and that you have a reliable power source.***
+
+* **Programming Fail:** If the programming/flash procedure fails, try reducing the serial connection speed.
+* **COM port not detected:** Check the USB cable and the USB to Serial driver installation.
+
+If the error persist, you can ask for help at the official [ESP32 forum](https://esp32.com) or see [Contribute](#contribute).
+
+## Contribute
+
+To know how to contribute to this project, see [How to contribute.](https://github.com/espressif/arduino-esp32/blob/master/CONTRIBUTING.rst)
+
+If you have any **feedback** or **issue** to report on this example/library, please open an issue or fix it by creating a new PR. Contributions are more than welcome!
+
+Before creating a new issue, be sure to try the Troubleshooting and to check if the same issue was already created by someone else.
+
+## Resources
+
+* Official ESP32 Forum: [Link](https://esp32.com)
+* Arduino-ESP32 Official Repository: [espressif/arduino-esp32](https://github.com/espressif/arduino-esp32)
+* ESP32-S2 Datasheet: [Link to datasheet](https://www.espressif.com/sites/default/files/documentation/esp32-s2_datasheet_en.pdf)
+* ESP32-C3 Datasheet: [Link to datasheet](https://www.espressif.com/sites/default/files/documentation/esp32-c3_datasheet_en.pdf)
+* Official ESP-IDF documentation: [ESP-IDF](https://idf.espressif.com)