LVGL TEMPLATE

7796+FT6236

About ESP32

• board: ESP32-S3
• flash size: 8MB
• esp-idf: v4.4

About LCD TFT

• LCD driver: ST7796
• LCD module: 3.5 TFT 320x480

About LVGL

• LVGL : v8.0.0

NOTE:

• wifi连接是用外部的example
• 在外部的cmake里面加 set(EXTRA_COMPONENT_DIRS $ENV{IDF_PATH}/examples/common_components/protocol_examples_common)

message.payload()是接收的jason格式数据

• 格式如下
• {
• "method":"thing.service.property.set",
• "id":"2105943552",
• "params":
• {

•  "Fan":1,
  

•  "Watering":1,
  

•  "LightLux":1,
  

•  "Atmosphere":55,
  

•  "Humidity":1,
  

•  "co2":1,
  

•  "temperature":1
  

• },
• "version":"1.0.0"
• }
• 云流转后的json
• topic:/sys/a1D0VCyeFNT/upper_computer/thing/service/property/set,
• paload:
• {

•   "deviceType":"CustomCategory",
  

•   "iotId":"MCkuj4sQbumHcfK8Vkw5000000",
  

•   "requestId":"123",
  

•   "checkFailedData":{},
  

•   "productKey":"a1D0VCyeFNT",
  

•   "gmtCreate":1652542815625,
  

•   "deviceName":"MCU1",
  

•   "items":
  

•   {
  

•       "Fan":
  

•       {
  

•           "time":1652542815623,
  

•           "value":0
  

•       },
  

•       "Watering":
  

•       {
  

•           "time":1652542815623,
  

•           "value":1
  

•       },
  

•       "LightLux":
  

•       {
  

•           "time":1652542815623,
  

•           "value":253
  

•       },
  

•       "Atmosphere":
  

•       {
  

•           "time":1652542815623,
  

•           "value":56
  

•       },
  

•       "Humidity":
  

•       {
  

•           "time":1652542815623,
  

•           "value":87.1
  

•       },
  

•       "co2":
  

•       {
  

•           "time":1652542815623,
  

•           "value":88
  

•       },
  

•       "temperature":
  

•       {
  

•           "time":1652542815623,
  

•           "value":22.2
  

•       }
  

•   }
  

• }