cheez-ppg-pico 1.0.0

SDK for CheezPico(PPG) USB/BLE Devices

Cheez SDK

Installation

pip install cheez_semg_pico

Quick Start

from cheez_semg_pico import CheezPico   
import asyncio  

async def main():  
    sEMG = CheezPico()  
    device = None  
    
    try:  
        print("Connecting to device...")  
        device = sEMG.connect()                     # 连接设备  
         
        print("Configuring device...")  
        await sEMG.set_device_id(1)                 # 设置设备ID:0~255  
        await sEMG.set_sampling_rate("250 Hz")      # 配置采样率：100Hz,250Hz,500Hz (note the space)  
        await sEMG.set_wear_detection(enable=False) # 设置是否开启佩戴检测  
        await sEMG.set_filter_state(enable=True)    # 设置是否开启滤波  

        print("Reading data (press Ctrl+C to exit)...")  
        while True:  
            data = await device.read_data()         # 读取设备  
            print(data)  
            await asyncio.sleep(0.01)               #小延迟，防止CPU过载

    except ValueError as e:  
        print(f"Configuration error: {e}")  
    except asyncio.TimeoutError:  
        print("Device communication timeout")  
    except KeyboardInterrupt:  
        print("\nUser interrupted. Exiting...")  
    except Exception as e:  
        print(f"Unexpected error: {type(e).__name__}: {e}")  
    finally:   
        if device is not None:  
            print("Disconnecting device...")  
            sEMG.disconnect()  
            print("Device disconnected")  

if __name__ == "__main__":  
    asyncio.run(main())  

Features

• Easy device port discovery
• Simple serial connection management
• Async data reading
• Configurable logging
• Error handling and validation