MacでESP32のLチカ（ESP-IDF版）2019-02-20 ref: https://qiita.com/naohiro2g/items/79c99eac5254be1d051d

file0.txt

sudo easy_install pip
sudo pip install pyserial

file1.txt

mkdir -p ~/esp
cd ~/esp
curl -O https://dl.espressif.com/dl/xtensa-esp32-elf-osx-1.22.0-80-g6c4433a-5.2.0.tar.gz
tar -xzf xtensa-esp32-elf-osx-1.22.0-80-g6c4433a-5.2.0.tar.gz

file2.txt

export PATH=$HOME/esp/xtensa-esp32-elf/bin:$PATH
export IDF_PATH=~/esp/esp-idf

file3.txt

cd ~/esp
git clone --recursive https://github.com/espressif/esp-idf.git

file4.txt

python -m pip install --user -r $IDF_PATH/requirements.txt

file5.txt

cd ~/esp
git clone https://github.com/espressif/esp-idf-template.git myapp

file6.txt

cd ~/esp/myapp
make flash

file7.txt

ls /dev/cu.*

file8.txt

server:myapp tsuji$ make flash
Flashing binaries to serial port /dev/cu.SLAB_USBtoUART (app at offset 0x10000)...
esptool.py v2.0-beta1
Connecting......
Uploading stub...
Running stub...
Stub running...
Changing baud rate to 921600
Changed.
Attaching SPI flash...
Configuring flash size...
Auto-detected Flash size: 4MB
Flash params set to 0x022f
Compressed 9504 bytes to 5656...
Wrote 9504 bytes (5656 compressed) at 0x00001000 in 0.1 seconds (effective 887.3 kbit/s)...
Hash of data verified.
Compressed 488048 bytes to 247504...
Wrote 488048 bytes (247504 compressed) at 0x00010000 in 5.1 seconds (effective 758.3 kbit/s)...
Hash of data verified.

file9.txt

server:myapp tsuji$ make flash
CC main.o
AR libmain.a
LD app-template.elf
esptool.py v2.0-beta1
Flashing binaries to serial port /dev/cu.SLAB_USBtoUART (app at offset 0x10000)...
esptool.py v2.0-beta1
Connecting...........................................

A fatal error occurred: Failed to connect to ESP32: Timed out waiting for packet header
make: *** [flash] Error 2