Tathagata IP Camera-Remote Bait Boat

Background of the project

Project Introduction

Schematic design instructions

PCB design instructions

3D preview

Software description (core part)

module(..., package.seeall)
--Introduce necessary library files (written in Lua), internal libraries do not require require
local sys = require "sys"

--Configure and use the corresponding serial port ID
local DATA_UART_ID = 1 -- select a different uarId based on the actual device

--initialization
local result1 = uart.setup(DATA_UART_ID, --serial port id
        115200, --Baud rate
        8, --data bits
        1--Stop bit
)
-- Receiving data will trigger a callback, where "receive" is a fixed value
uart.on(DATA_UART_ID, "receive", function(id, len) local s = ""
    repeat
        -- If it is air302, len is not trustworthy, pass 1024
        -- s = uart.read(id, 1024)
        s = uart.read(id, len) if #s > 0 then
            -- #s is to take the length of the string
            -- If binary/hexadecimal data is transmitted, some characters are not visible, which does not mean that they were not received.
            -- For information about sending and receiving hex values, please refer to https://doc.openluat.com/article/583
            log.info("DATA_UART", "receive", id, #s, s) --if s:toHex() == "010601220001E9FC" then
            -- log.info("start config mode")
            -- isInConfigMode = true
            -- intoConfigMode()
            --elseif s:toHex() == "010601220000283C" then
            -- log.info("end config mode")
            -- isInConfigMode = false
            -- intoRunMode()
            --else
            -- uart.write(DATA_UART_ID, "command error")
            -- log.info("command error")
            --end
            local data, result, errinfo = json.decode(s) if result and type(data) == "table" then
                --motorControl putFoodControl lightControl
                local action = data.action if action == "motorControl" then
                    local a1 = tonumber(data.a1) local a2 = tonumber(data.a2)
                    local b1 = tonumber(data.b1)
                    local b2 = tonumber(data.b2)
                    if a1 == nil or a2 == nil or b1 == nil or b2 == nil then
                        log.error("Incomplete data") return
                    else
                        driveMotor(a1, a2, b1, b2) end
                elseif action == "putFoodControl" then
                    putFood() elseif action == "lightControl" then
                    local lightState = data.lightState if lightState then
                        ledOn() else
                        ledOff() end
                elseif action == "getId" then
                    local unique_id = mcu.unique_id() local unique_data, unique_len = string.toHex(unique_id, " ")
                    --Data conversion
                    log.info("unique_id:", unique_data) log.info("unique_id-length:", unique_len)
                    local unique_data_result = {
                        deviceId = unique_data
                    }
                    unique_data_result = json.encode(unique_data_result)
                    uart.write(DATA_UART_ID, unique_data_result)
                else
                    log.error("control action error") end
            else
                log.error("data is not json") end
        end
    until s == ""
end)
-- Not all devices support the sent event
uart.on(DATA_UART_ID, "sent", function(id) log.info("BLE_UART", "sent", id)
end)

The embedded source code and firmware are included in the attachment.

Physical display instructions

Precautions

Demo video