add:旋转编码器，旋钮应用

demo/rotary encoder/Air105/main.lua

@@ -0,0 +1,13 @@
+
+-- LuaTools需要PROJECT和VERSION这两个信息
+PROJECT = "test"
+VERSION = "1.0.0"
+
+-- sys库是标配
+_G.sys = require("sys")
+require "rotary"
+rotary_start()
+-- 用户代码已结束---------------------------------------------
+-- 结尾总是这一句
+sys.run()
+-- sys.run()之后后面不要加任何语句!!!!!

demo/rotary encoder/Air105/rotary.lua

@@ -0,0 +1,97 @@
+-- 旋转编码器
+-- 正反方向根据实际情况决定
+local s1_pin = pin.PC09
+local s2_pin = pin.PA10
+local pin_need = 1
+local s1_last = nil
+local s2_last = nil
+local s1_up = false
+local s2_up = false
+local s1_down = false
+local s2_down = false
+local _,us_tick = mcu.tick64()
+us_tick = us_tick * 1000 --低于1ms的当杂波去除，可以根据实际需要修改
+
+local function stage1()
+    pin_need = 0
+    -- log.info("wait down")
+    ioqueue.exti(s1_pin, nil, gpio.FALLING, true)
+    ioqueue.exti(s2_pin, nil, gpio.FALLING, true)
+end
+
+local function stage2()
+    pin_need = 1
+    -- log.info("wait up")
+    ioqueue.exti(s1_pin, nil, gpio.RISING, true)
+    ioqueue.exti(s2_pin, nil, gpio.RISING, true)
+    s1_up,s2_up,s1_down,s2_down = false,false,false,false
+end
+
+local function s1_irq(val, tick)
+    if gpio.get(s1_pin) ~= pin_need then return end
+    if s1_last then
+        local result,_ = mcu.dtick64(tick, s1_last, us_tick)
+        if result then
+            -- log.info("s1", mcu.dtick64(tick, s1_last))
+            if pin_need > 0 then
+                s1_up = true
+            else
+                s1_down = true
+            end
+            -- log.info("s1", s1_up, s1_down)
+        else
+            return
+        end
+    else
+        -- log.info("s1")
+        s1_up = true
+    end
+    if pin_need > 0 and s1_up and s2_up then
+        stage1()
+    end
+    if s2_down then
+        log.info("s2pin先检测到，右转+1")
+        stage2()
+    end
+    s1_last = tick
+
+end
+
+local function s2_irq(val, tick)
+    if gpio.get(s2_pin) ~= pin_need then return end
+    if s2_last then
+        local result,_ = mcu.dtick64(tick, s2_last, us_tick)
+        if result then 
+            -- log.info("s2", mcu.dtick64(tick, s2_last))
+            if pin_need > 0 then
+                s2_up = true
+            else
+                s2_down = true
+            end
+            -- log.info("s2", s2_up, s2_down)
+        else
+            return
+        end
+    else
+        -- log.info("s2")
+        s2_check = true
+    end
+    if pin_need > 0 and s1_up and s2_up then
+        stage1()
+    end
+    if s1_down then
+        log.info("s1pin先检测到，左转+1")
+        stage2()
+    end
+    s2_last = tick
+end
+
+sys.subscribe("IO_QUEUE_EXTI_" .. s1_pin, s1_irq)
+sys.subscribe("IO_QUEUE_EXTI_" .. s2_pin, s2_irq)
+
+function rotary_start()
+    pin_need = 1
+    ioqueue.exti(s1_pin, nil, gpio.RISING, true)
+    ioqueue.exti(s2_pin, nil, gpio.RISING, true)
+    -- sys.timerLoopStart(clear, 10000)
+end