# Embedded Tester Protocol (ETP) library for Python
`etplib` allows access to microcontroller peripherals from a host computer. Microcontroller should be running the ETP firmware.
## Inital setup
- Install `etplib` using pip
```terminal
pip install etplib
```
- Download [ETP firmware for Arduino Uno](https://github.com/jabezwinston/etplib/releases/download/v0.1.0/etp_fw_arduino_uno_v0.1.0.hex) (the only supported device)
- Flash ETP firmware to the Arduino Uno using `avrdude` (Get avrdude [here](https://github.com/avrdudes/avrdude/releases/))
```terminal
avrdude -v -p atmega328p -c arduino -P COM4 -b 115200 -D -U flash:w:etp_fw_arduino_uno_v0.1.0.hex:i
```
> NOTE : Replace `COM4` with the port where the Arduino Uno is connected
## Usage
### Blink LED
```python
import etplib
import time
etp = etplib.ETP(transport='serial', port='COM4', baudrate=115200)
etp.open()
etp.reset()
etp.gpio.init({"_13": "output"})
# Blink LED on pin 13 of the Arduino Uno
while True:
etp.gpio_write({"_13": 1})
time.sleep(1)
etp.gpio_write({"_13": 0})
time.sleep(1)
etp.close()
```
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"description": "# Embedded Tester Protocol (ETP) library for Python\n\n`etplib` allows access to microcontroller peripherals from a host computer. Microcontroller should be running the ETP firmware.\n\n## Inital setup\n- Install `etplib` using pip\n ```terminal\n pip install etplib\n ```\n- Download [ETP firmware for Arduino Uno](https://github.com/jabezwinston/etplib/releases/download/v0.1.0/etp_fw_arduino_uno_v0.1.0.hex) (the only supported device)\n- Flash ETP firmware to the Arduino Uno using `avrdude` (Get avrdude [here](https://github.com/avrdudes/avrdude/releases/))\n\n ```terminal\n avrdude -v -p atmega328p -c arduino -P COM4 -b 115200 -D -U flash:w:etp_fw_arduino_uno_v0.1.0.hex:i\n ```\n> NOTE : Replace `COM4` with the port where the Arduino Uno is connected\n\n## Usage\n\n### Blink LED\n\n```python\nimport etplib\nimport time\n\netp = etplib.ETP(transport='serial', port='COM4', baudrate=115200)\netp.open()\netp.reset()\n\netp.gpio.init({\"_13\": \"output\"})\n\n# Blink LED on pin 13 of the Arduino Uno\nwhile True:\n etp.gpio_write({\"_13\": 1})\n time.sleep(1)\n etp.gpio_write({\"_13\": 0})\n time.sleep(1)\n\netp.close()\n```\n",
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