# ESP-32 ## Prerequisites 1. [Ninja](https://cmake.org/) 2. [CMake](https://ninja-build.org/) ``` brew install cmake ninja ``` 3. [CP210x driver](https://www.silabs.com/documents/public/software/Mac_OSX_VCP_Driver.zip) ## Toolchain Setup 1. Download file ``` mkdir -p ~/esp cd ~/esp wget 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 ``` 2. Setup environment variable ``` export PATH=$HOME/esp/xtensa-esp32-elf/bin:$PATH alias get_esp32="export PATH=$HOME/esp/xtensa-esp32-elf/bin:$PATH" export IDF_PATH=~/esp/esp-idf export PATH="$IDF_PATH/tools:$PATH" ``` 4. Dowload ESP-IDF ``` cd ~/esp git clone -b v3.2.2 --recursive https://github.com/espressif/esp-idf.git ``` ## Hello World 1. Copy file ``` cd ~/esp cp -r $IDF_PATH/examples/get-started/hello_world . cd hello_world ``` 2. Configure ``` idf.py menuconfig ``` If you are using `python3`, 3. Build ``` idf.py build ``` 4. Flash ``` idf.py -p /dev/cu.SLAB_USBtoUART flash ``` 5. Monitor ``` idf.py -p /dev/cu.SLAB_USBtoUART monitor ``` ## Wallet 1. Download file ``` git clone --recursive https://github.com/oopsmonk/iota_esp32_wallet.git ``` 2. Initializing components ``` cd iota_esp32_wallet bash ./init.sh ``` 3. Wallet Configuration ``` idf.py menuconfig # WiFi SSID & Password [IOTA Wallet] -> [WiFi] # SNTP Client [IOTA Wallet] -> [SNTP] # Default IRI node [IOTA Wallet] -> [IRI Node] ``` ``` cat /dev/urandom |LC_ALL=C tr -dc 'A-Z9' | fold -w 81 | head -n 1 ``` 4. Build ``` idf.py build ``` 5. Flash ``` idf.py -p /dev/cu.SLAB_USBtoUART flash ```