Hi All,
Now i have downloaded so many documents about ESP32 . I want to know some information about Boootloder in ROM . I rummaged through all the documents in my hands but still could not find it. Could anyone help me?

1.Download MSYS2. You can get it from https://dl.espressif.com/dl/esp32_win32_msys2_environment_and_toolchain-20170330.zip 2.Extract it. Extract the file of compressed from directory that you have chosen in previous step. 3.Run MSYS2 . Double click ‘msys2_shell.cmd’. 4.Install tools in MSYS2. Instal...

You cant find a com port, are you using the correct COM port? 23 seems high. serial.serialutil.SerialException: could not open port '/??/COM23': WindowsError (123, 'The filename, directory name, or volume label syntax is incorrect.') You can also try addressing the /dev/ttyS* In msys2 type ls -la /...

ESP_igrr wrote:Are you starting mingw32 or msys2 prompt?
It should be mingw32 in order to use Windows port names.

I start with mingw32.exe but my system is 64 bit.

In MSYS32, 'make app' works well. When i want to download the program to ESP32，executing command 'make flash'. But some errors happen. Flashing binaries to serial port /dev/ttyS22 (app at offset 0x10000)... esptool.py v2.0 Traceback (most recent call last): File "D:/msys32/home/Tony.Yuan/esp/esp-idf...

All example are OK, except ULP example. My build environment is Cygwin. In your opinion,the attached (https://dl.espressif.com/dl/esp32ulp-elf-binutils-win32-7b4f341.zip) is only used for MSY2? It's not only used for MSYS2, but it's a MINGW executable which is different to Cygwin, and means it can'...

Hi Tony, Do you only get this error when building the ULP example, or you get an error when building other examples? What build environment are you using? ESP-IDF build system only supports using MSYS2, as described in the docs here . This example builds for me in the MSYS2 build environment we pro...

Could you please post: 1. the output of make V=1 2. the contents of /home/aithinker/down_git_esp-idf/esp-idf/examples/system/ulp/build/main The output of 'make V=1 make[1]: Entering directory '/home/aithinker/down_git_esp-idf/esp-idf/examples/system/ulp/build/xtensa-debug-module' make[1]: Leaving d...

After i using the command ‘make app’，one error happen.I don't know how to solve it. Do the compile system have some mistakes? // Error log CC ulp_example_main.o ULP_BIN ulp_main.bin E:\Aithinker\13_Aithinker_IDE\AiThinkerIDE_V0.5\cygwin\home\aithinker\esp32ulp-elf-binutils\bin\esp32ulp-elf-objcopy.e...

ESP_igrr wrote:Please follow the instructions in http://esp-idf.readthedocs.io/en/latest ... -toolchain. Latest download links for the ULP toolchain are listed on https://github.com/espressif/binutils-e ... #downloads.

Thank you very much.