--- 模块功能 测报逻辑控制
-- @module 
-- @author lcg
-- @license MIT
-- @copyright yf
-- @release 2019.07.18
require 'ril'
require "misc"
-- require "haikang"
-- require "audio"
module(..., package.seeall)

-- 0--关闭
-- 1--1.8V
-- 2--1.9V
-- 3--2.0V
-- 4--2.6V
-- 5--2.8V
-- 6--3.0V
-- 7--3.3V

-- 电压域与控制的GPIO的对应关系如下：
-- pmd.LDO_VMMC：GPIO8、GPIO9、GPIO10、GPIO11、GPIO12、GPIO13
-- pmd.LDO_VLCD：GPIO14、GPIO15、GPIO16、GPIO17、GPIO18
-- pmd.LDO_VCAM：GPIO19、GPIO20、GPIO21、GPIO22、GPIO23、GPIO24

pmd.ldoset(7,pmd.LDO_VMMC)
pmd.ldoset(7,pmd.LDO_VLCD)
pmd.ldoset(7,pmd.LDO_VCAM)

motor_en = pins.setup(pio.P0_8,0)
-- dir:far or near:以载玻片为参考点；载玻片在步进电机端；
-- 注：motor_dir(1) -- 1:near;  0:far
motor_dir = pins.setup(pio.P0_11,0)
motor_mv = pins.setup(pio.P0_12,0)


-- 电机上下限位；
limit_up = pins.setup(pio.P0_2)
limit_down = pins.setup(pio.P0_3)

light_led = pins.setup(pio.P0_31,0)
hk_alarm_in = pins.setup(pio.P0_30,0)

-- 蓝色led：做拍照指示：
led = pins.setup(pio.P0_10,0)

-- 海康相机拍照：
function hk_takephoto()
    log.warn("hk_takephoto is running...")
    hk_alarm_in(1)
    led(1)
    sys.wait(1100)
    hk_alarm_in(0)
    led(0)
    -- sys.wait(1000)
    -- hmi.write("sysTest.switchPic.val=0")
end


-- 步进电机方向运行标志位：
up_step_flag = 0
down_step_flag = 0


-- 步进电机，停止命令标志位：
stop_step = 0

-- 步进电机复位，到最顶端：
function motor_reset()
    log.warn("~~~~~~~~~~motor_reset")
    -- 电机向上运行；直到达到上限位；
    motor_en(1)
    motor_dir(0)

    if up_step_flag == 1 then
        log.error("warn:step motor is stepping to up!!!")
        return 
    end

    if down_step_flag == 1 then
        log.error("error:stepping to down will stop!!!")
        stop_step = 1 
    end

    up_step_flag = 1
    while limit_up() == 1 do
        -- log.warn("limit_up",limit_up())
        motor_mv(1)
        sys.wait(1)
        motor_mv(0)
        sys.wait(1)
        if stop_step == 1 then
            stop_step = 0
            log.error("attention:step up breaking!!!")
            -- hmi.write("sysTest.switchUp.val=0")
            break 
        end
    end
    up_step_flag = 0
    log.error("up_step_flag = 0!!!")
    -- hmi.write("sysTest.switchUp.val=0")
    -- 后期评估是否要脱机；
    motor_en(0)
end


-- 步进电机向下运动到下限位：
function motor_down()
    log.warn("~~~~~~~~~~motor_down")
    -- 电机向下运行；直到达到上限位；
    motor_en(1)
    motor_dir(1)
    
    if down_step_flag == 1 then
        log.error("warn:step motor is stepping to down!!!")
        return 
    end

    if up_step_flag == 1 then
        log.error("error:stepping to up will stop!!!")
        stop_step = 1 
    end

    down_step_flag = 1
    while limit_down() == 1 do
        -- log.warn("limit_down",limit_down())
        motor_mv(1)
        sys.wait(1)
        motor_mv(0)
        sys.wait(1)
        if stop_step == 1 then
            stop_step = 0
            log.error("attention:step down breaking!!!")
            -- hmi.write("sysTest.switchDown.val=0")
            break 
        end
    end
    down_step_flag = 0
    log.error("down_step_flag = 0!!!")
    -- hmi.write("sysTest.switchDown.val=0")

    -- 后期评估是否要脱机；
    motor_en(0)
end


-- 步进电机对焦拍照：
-- 流程：先向下运行到下限位；然后倒序向上逐渐拍照；
photo_num,step = 0, 0
photo_flag = 0

function autotakepic()
    -- photo_flag = 0
    log.warn("testAutopic is running!!!")
    light_led(1)--打开补光灯
    -- 注意，如果此时电机已经在最下端，则需要延时一下补光灯，来让相机对焦；
    sys.wait(5000)
    -- 电机向下运动：
    motor_down()
    log.warn("motor_down is ok!!!")
    hk_takephoto()
    -- 到最低端，3s后开始向上拍照；
    sys.wait(5000)
    motor_en(1)
    motor_dir(0)
    haikang.step = 0
    haikang.photo_num = 0
    while limit_up() == 1 do
        step = step + 1
        motor_mv(1)
        sys.wait(1)
        motor_mv(0)
        sys.wait(1)
        -- 拍照的脉冲间隔；
        -- if step >= 1000 then
        --     photo_num = photo_num + 1
        --     sys.wait(1500)
        --     log.warn("=========================take pic!!!")
        --     hk_takephoto()
        --     step = 0
        -- end
    end
    step = 0
    hk_takephoto()
    log.error("photo_num is:",photo_num)
    log.error("step num  is:",step)

    light_led(0)--关闭补光灯
    -- photo_flag = 1
end


function autotakepic2()
    local photo_step
    photo_flag = 0
    log.warn("testAutopic2 is running!!!")
    light_led(1)--打开补光灯
    -- 注意，如果此时电机已经在最下端，则需要延时一下补光灯，来让相机对焦；
    sys.wait(5000)
    -- 电机向下运动：
    motor_down()
    log.warn("motor_down is ok!!!")
    hk_takephoto()
    -- 到最低端，3s后开始向上拍照；
    sys.wait(5000)
    motor_en(1)
    motor_dir(0)
    haikang.step = 0
    haikang.photo_num = 0
    photo_step = nvm.get("photo_step") or 50
    log.warn("+++++++++++++++++++++++++++photo_step:",photo_step)

    while limit_up() == 1 do
        step = step + 1
        motor_mv(1)
        sys.wait(1)
        motor_mv(0)
        sys.wait(1)
        -- 拍照的脉冲间隔；
        -- if step >= 5 then
        if step%photo_step == 0 then
            -- sys.wait(1000)
            photo_num = photo_num + 1
            sys.wait(2000)
            log.warn("=========================take pic!!!")
            hk_takephoto()
        end
    end
    log.error("photo_num is:",photo_num)
    log.error("step num  is:",step)

    light_led(0)--关闭补光灯
    sys.wait(10000)
    photo_flag = 1
    haikang.http_chose_photo_task()
end

function test_takephoto()
    log.warn("test_takephoto is running...")
    audio.play('/ldata/takephoto.mp3')    
    light_led(1)--打开补光灯
    sys.wait(15*1000)
    hk_takephoto()
    light_led(0)--关闭补光灯
    sys.wait(10000)
    -- photo_flag = 1
    haikang.http_chose_photo_task()
end

function http_chose_photo()
    -- http触发计算清晰度；
    -- local url = "http://yfzhwlw.com/test"
    -- local url = "http://yfznscd.com/bzy_mqtt_photo"
    -- local url = "http://yfznscd.com/spore_count"
    local url = "http://120.27.222.26/bzy_mqtt_photo"
    -- local url = "http://39.104.94.153/bzy_mqtt_photo"

    local param = {
        imei="",
        step = 0,
        photo_num = 0
    }
    while not socket.isReady() do sys.wait(2000) end
    param.imei = misc.getimei()-- 唯一ID
    param.step = haikang.step
    param.photo_num = haikang.photo_num
    log.error("#################### type param is:",type(param))
    local code, head, body = http.request("POST", url, 10000,nil,param)
    -- local code, head, body = http.request("POST", url, 60000,nil,param)
    log.error("#################### http code is:",code)
    log.error("#################### http body is:",body)
    return code
end

function http_chose_photo_task()
    sys.taskInit(function ()
        -- 重试次数
        local RETRY = 3
        local cnt = 1
        for cnt = 1, RETRY do
            local res = haikang.http_chose_photo()
            log.error("---------http_chose_photo:",type(res),res)
            if res == "200" then
                log.warn("haikang.http_chose_photo res 200!")
                audio.play('/ldata/alarm.mp3')
                -- haikang.step = 0
                -- haikang.photo_num = 0
                break
            else
                log.error("haikang.http_chose_photo res:",res)
                sys.wait(3000)
            end
        end
        -- haikang.step = 0
        -- haikang.photo_num = 0
    end)
end