LuatOS/script/turnkey/hz201p/da267.lua

local i2cId = 1
local da267Addr = 0x26
local intPin = 39
local function ind()
    log.info("int", gpio.get(intPin))
    if gpio.get(intPin) == 1 then
        log.info("da267", "interrupt")
        i2c.send(i2cId, da267Addr, 0x02, 1)
        local data = i2c.recv(i2cId, da267Addr, 6)
        if data and #data == 6 then
            local xl, xm, yl, ym, zl, zm = string.byte(data, 1, 1), string.byte(data, 2, 2), string.byte(data, 3, 3), string.byte(data, 4, 4), string.byte(data, 5, 5), string.byte(data, 6, 6)
            local x, y, z = (xm << 8 | xl ) >> 4, (ym << 8 | yl) >> 4, (zm << 8 | zl ) >> 4
            log.info("da267", "x:", x, "y:", y, "z:", z)
        else
            sys.publish("RESTORE_GSENSOR")
        end
        i2c.send(i2cId, da267Addr, 0x0D, 1)
        local data = i2c.recv(i2cId, da267Addr, 2)
        if data and #data == 2 then
            local xl, xm = string.byte(data, 1, 1), string.byte(data, 2, 2)
            local step = ((xl << 8) + xm) // 2
            log.info("da267", "step:", step)
            sys.publish("STEP_COUNTER", step)
        else
            sys.publish("RESTORE_GSENSOR")
        end
    end
end
gpio.setup(intPin, ind)

local function init()
    i2c.close(i2cId)
    i2c.setup(i2cId, i2c.SLOW)
    i2c.send(i2cId, da267Addr, {0x00, 0x24}, 1)
    sys.wait(20)
    i2c.send(i2cId, da267Addr, {0x0F, 0x00}, 1)
    i2c.send(i2cId, da267Addr, {0x11, 0x34}, 1)
    i2c.send(i2cId, da267Addr, {0x10, 0x07}, 1)

    sys.wait(50)

    -- int set1
    i2c.send(i2cId, da267Addr, {0x16, 0x87}, 1)

    -- init active interrupt
    i2c.send(i2cId, da267Addr, {0x38, 0x03}, 1)
    i2c.send(i2cId, da267Addr, {0x39, 0x05}, 1)
    i2c.send(i2cId, da267Addr, {0x3A, 0x05}, 1)
    i2c.send(i2cId, da267Addr, {0x3B, 0x05}, 1)
    i2c.send(i2cId, da267Addr, {0x19, 0x04}, 1)

    -- enable active
    i2c.send(i2cId, da267Addr, {0x11, 0x30}, 1)

    -- init step counter
    i2c.send(i2cId, da267Addr, {0x33, 0x80}, 1)
end

sys.taskInit(function()
    mcu.altfun(mcu.I2C, i2cId, 23, 2, 0)
    mcu.altfun(mcu.I2C, i2cId, 24, 2, 0)
    while true do
        init()
        while true do
            local result = sys.waitUntil("RESTORE_GSENSOR", 60 * 1000)
            if result then
                break
            end
            i2c.send(i2cId, da267Addr, 0x01, 1)
            local data = i2c.recv(i2cId, da267Addr, 1)
            if not data or data == "" or string.byte(data) ~= 0x13 then
                break
            end
        end
    end
end)