Prerequisites

Espressif ESP32-DevKitC

First of all, you need ESP32-DevKitC to use this project.

Amazon FreeRTOS environment

Before you build this project, you need to setup Amazon FreeRTOS environment according to the following document.

Getting Started with the Espressif ESP32-DevKitC and the ESP-WROVER-KIT

Download this project

$ git clone https://github.com/waura/iot_env_sensor.git
$ tree .
.
├── amazon-freertos
└── iot_env_sensor

You need to clone this repository and place beside Amazon FreeRTOS directory.

Setup Serial Communication Port:

$ cd iot_env_sensor
$ make menuconfig

1. In that menu, navigate to Serial flasher config > Default serial port, then press enter to configure the serial port.
2. Change default port from /dev/ttyusb0 to the device file you are using for connecting to your ESP32-DevKitC.
3. Save the modification and exit.

Build

$ make 

Binary files would be craeted under 'build/' directory if you success the build.

Flash the image ESP32-DevKitC

$ make flash

The image you built would be flashed to your ESP32-DevKitC and boot.

Make Commands:

• Build and display the Espressif IDF Configuration only:
  make menuconfig

• Build only:
  make

• Build and flash the project:
  make flash

• Build, flash, and display the output in the terminal:
  make flash monitor