Espressif Systems ESP Faq page 3

2.2.20 After imported the protocol_examples_common.h header file, how come it cannot be found
while compling?
2.2.21 When using ESP8266 NonOS v3.0 SDK, the following error occurred. What could be the
reason?
2.3 Environment setup
2.3.1 When setting up ESP32-S2 environment using command idf.py
esp32s2, an error occurred as "Error: No such command 'set-target' ". What could
be the reason?
2.3.2 When installing ESP-IDF version master using ESP-IDF Tools 2.3 in Windows system, an
error occurred as: Installation has failed with exit code 2. What could be the reason?
2.3.3 When setting up environment using esp-idf-tools-setup-2.3.exe on Windows, errors oc-
curred when make menuconfig is executed:
2.3.4 When using esp-idf-tools-setup-2.2.exe in Windows system, a python error occurred during
the installation:
2.3.5 What should I do if I get Download failed: security channel support
error when installing build environment in the Windows system?
2.3.6 When executing export.bat in Windows system, what should I do if I get CMake and gdbgui
version errors?
2.3.7 Errors occurred when using idf.menuconfig and idf.build after updating the ESP-IDF ver-
sion from v3.3 to the latest one:
2.3.8 How to configure PATH and IDF_PATH when developing ESP32 and ESP8266 simulta-
neously?
2.3.9 Do I need to use command idf.py set-target every time when switching to another
project?
2.3.10 How to know the version of ESP-IDF, is it recorded in a certain document?
2.3.11 How to optimize ESP-IDF compilation in Windows environment?
2.3.12 Is there an esptool that can be used directly on Windows?
2.4 Firmware update
2.4.1 How does the host MCU flash ESP32 via serial interfaces?
2.4.2 How to download firmware for ESP32 series modules using the USB-Serial tool?
2.4.3 How to flash firmware in macOS and Linux systems?
2.4.4 Does ESP32 support programming using JTAG pins directly?
2.4.5 Does ESP_Flash_Downloader_Tool support customized programming control？
2.4.6 Can I enable the Security Boot function for ESP32 via OTA?
2.4.7 How to resolve the following error occured when flashing firmware to ESP32-S2 based on
ESP-IDF v4.1?
2.4.8 How to download firmware based on ESP-IDF using flash_download_tool?
2.4.9 What is the communication protocol for flashing ESP chips?
2.4.10 How to program ESP32-C3's firmware offline?
2.4.11 How does ESP32 set Flash SPI to QIO mode?
2.4.12 After downloading program and powering on EPS8266, the serial port printed the following
log. What is the reason?
2.4.13 What are the Espressif module programming tools?
2.4.14 What is the difference between the Factory mode and Developer mode of the flash download
tool?
2.4.15 Why does the programming failed for the jig with a 4-port hub in factory mode ?
2.4.16 I'm using an ESP32-WROVER-B module to download the AT firmware via the flash
download tool. However, an error occurred after writing to flash. But the same operation
succeeded when replacing the module with ESP32-WEOVER-E, what is the reason?
2.4.17 The encrypted device cannot be re-flashed via the flash download tool. What could be the
reason?
2.4.18 When updating ESP32 firmware through UART interface based on esptool serial port pro-
tocol, can I add a new app partation?
2.4.19 I am using ESP8266 to download the firmware via flash download tool. After downloading
the firmware, there is no programming output log, and the serial port printed the following
messages. What could be the reason?
2.4.20 Why does my USB driver failed to be recognized by the Windows7 system?
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