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https://github.com/scott-the-programmer/esp8266-http-health-checker
A simple health checker running on the esp8266 board
https://github.com/scott-the-programmer/esp8266-http-health-checker
Last synced: 16 days ago
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A simple health checker running on the esp8266 board
- Host: GitHub
- URL: https://github.com/scott-the-programmer/esp8266-http-health-checker
- Owner: scott-the-programmer
- License: mit
- Created: 2020-05-30T06:38:15.000Z (over 4 years ago)
- Default Branch: master
- Last Pushed: 2020-06-03T09:00:22.000Z (over 4 years ago)
- Last Synced: 2024-11-07T20:55:13.477Z (2 months ago)
- Language: C++
- Homepage:
- Size: 9.77 KB
- Stars: 0
- Watchers: 2
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
Awesome Lists containing this project
README
# ESP8266 Http Health Check
A simple health checker that flashes an LED based on whether an endpoint is healthy or not
Supports both http and https endpoints
## Prerequisites
* [Arduino CLI](https://arduino.github.io/arduino-cli/installation/)
* CP210x USB to UART Bridge VCP Driver
* openssl
## Getting Started
Run the following script to list out your connected boards and update the ardunio-cli repository with the esp8266 index
```bash
./bootstrap.sh
```
Example output
```bash
These are the boards connected
Port Type Board Name FQBN Core
/dev/cu.usbserial-14310 Serial Port (USB) Unknown
Updating arduino index
Updating index: package_index.json downloaded
Updating index: package_esp8266com_index.json downloaded
Downloading esp8266 dependencies
esp8266:[email protected] already downloaded
esp8266:[email protected] already downloaded
esp8266:[email protected] already downloaded
esp8266:[email protected] already downloaded
esp8266:[email protected] already downloaded
```
Take note of the port that you want to use, in this case, `/dev/cu.usbserial-14310`
## Build & Run the code
Run the following script to compile and run the code
```bash
./run.sh "/dev/cu.usbserial-14310" "https://example/example-endpoint" "SSID" "password"
```
Example output
```bash
Compiling code
Executable segment sizes:
IROM : 228492 - code in flash (default or ICACHE_FLASH_ATTR)
IRAM : 26784 / 32768 - code in IRAM (ICACHE_RAM_ATTR, ISRs...)
DATA : 1248 ) - initialized variables (global, static) in RAM/HEAP
RODATA : 688 ) / 81920 - constants (global, static) in RAM/HEAP
BSS : 24880 ) - zeroed variables (global, static) in RAM/HEAP
Sketch uses 257212 bytes (24%) of program storage space. Maximum is 1044464 bytes.
Global variables use 26816 bytes (32%) of dynamic memory, leaving 55104 bytes for local variables. Maximum is 81920 bytes.
Deploying code to esp8266:esp8266:nodemcuv2:xtal=80 on /dev/cu.usbserial-143120
No new serial port detected.
esptool.py v2.8
Serial port /dev/cu.usbserial-143120
Connecting....
Chip is ESP8266EX
Features: WiFi
Crystal is 26MHz
MAC: 50:02:91:7a:1d:f2
Uploading stub...
Running stub...
Stub running...
Configuring flash size...
Auto-detected Flash size: 4MB
Compressed 261360 bytes to 192957...
Wrote 261360 bytes (192957 compressed) at 0x00000000 in 18.7 seconds (effective 111.8 kbit/s)...
Hash of data verified.
Leaving...
Hard resetting via RTS pin...
```
Run the following command to read the serial output
```bash
cat < "/dev/cu.usbserial-14320"
```