Chapter 1. Get Started
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Changing baud rate to 460800
Changed.
Configuring flash size...
Compressed 3072 bytes to 103...
Writing at 0x00008000... (100 %)
Wrote 3072 bytes (103 compressed) at 0x00008000 in 0.0 seconds (effective 3851.6␣
,→kbit/s)...
Hash of data verified.
Compressed 22592 bytes to 13483...
Writing at 0x00001000... (100 %)
Wrote 22592 bytes (13483 compressed) at 0x00001000 in 0.3 seconds (effective 595.1␣
,→kbit/s)...
Hash of data verified.
Compressed 140048 bytes to 70298...
Writing at 0x00010000... (20 %)
Writing at 0x00014000... (40 %)
Writing at 0x00018000... (60 %)
Writing at 0x0001c000... (80 %)
Writing at 0x00020000... (100 %)
Wrote 140048 bytes (70298 compressed) at 0x00010000 in 1.7 seconds (effective 662.
,→5 kbit/s)...
Hash of data verified.
Leaving...
Hard resetting via RTS pin...
Done
If there are no issues by the end of the flash process, the board will reboot and start up the“hello_world”application.
If you’d like to use the Eclipse or VS Code IDE instead of running idf.py, check out the Eclipse guide, VS Code
guide.
1.14 Step 10. Monitor
To check if“hello_world”is indeed running, type idf.py -p PORT monitor (Do not forget to replace PORT
with your serial port name).
This command launches the IDF Monitor application:
$ idf.py -p /dev/ttyUSB0 monitor
Running idf_monitor in directory [...]/esp/hello_world/build
Executing "python [...]/esp-idf/tools/idf_monitor.py -b 115200 [...]/esp/hello_
,→world/build/hello_world.elf"...
--- idf_monitor on /dev/ttyUSB0 115200 ---
--- Quit: Ctrl+] | Menu: Ctrl+T | Help: Ctrl+T followed by Ctrl+H ---
ets Jun 8 2016 00:22:57
rst:0x1 (POWERON_RESET),boot:0x13 (SPI_FAST_FLASH_BOOT)
ets Jun 8 2016 00:22:57
...
After startup and diagnostic logs scroll up, you should see “Hello world!”printed out by the application.
...
Hello world!
Restarting in 10 seconds...
This is esp32s2 chip with 1 CPU core(s), WiFi, silicon revision 0, 2MB external␣
,→flash
Minimum free heap size: 253900 bytes
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