使用aiohttp可以创建本地API接口用于远程调用SenseHat，再配合frp，可以实现在线调用SenseHat。
将系统python版本切换为3（aiohttp依赖python3）
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ls /usr/bin/python* update-alternatives --install /usr/bin/python python /usr/bin/python2.7 1 update-alternatives --install /usr/bin/python python /usr/bin/python3.7 2 update-alternatives --config python |
安装pip
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apt install python3-pip |
安装aiohttp
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pip3 install aiohttp |
创建测试nano ./test.py
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from aiohttp import web from sense_hat import SenseHat sense = SenseHat() async def hello(request): data = {'some': 'data'} return web.json_response(data) async def test(request): sense.show_letter("Z") #return Response(text="All right!") async def clear(request): sense.clear() async def Environmental(request): get_temperature_from_pressure = sense.get_temperature_from_pressure() get_temperature_from_humidity = sense.get_temperature_from_humidity() get_temperature = sense.get_temperature() get_humidity = sense.get_humidity() get_pressure = sense.get_pressure() data = {'get_temperature_from_pressure': get_temperature_from_pressure, 'get_temperature_from_humidity': get_temperature_from_humidity, 'get_temperature': get_temperature, 'get_humidity': get_humidity, 'get_pressure': get_pressure} return web.json_response(data) async def show_message(request): sense.set_rotation(180) sense.show_message("One small step for Pi!", text_colour=[255, 0, 0]) app = web.Application() app.add_routes([web.get('/', hello)]) app.add_routes([web.get('/test', test)]) app.add_routes([web.get('/clear', clear)]) app.add_routes([web.get('/env', Environmental)]) app.add_routes([web.get('/show_message', show_message)]) web.run_app(app) |
运行测试
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python ./test.py |
输出
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======== Running on http://0.0.0.0:8080 ======== (Press CTRL+C to quit) |
访问http://your-raspberry-ip-address:8080
成功返回 {some: "data"}
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