add : USB CDC虚拟串口通讯

4G/tools/_temp/script/temp_script/pins.lua

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+require "sys"
+module(..., package.seeall)
+local interruptCallbacks = {}
+local dirs = {}
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+function setup(pin, val, pull)
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+pio.pin.close(pin)
+
+if type(val) == "function" then
+pio.pin.setdir(pio.INT, pin)
+if pull then pio.pin.setpull(pull or pio.PULLUP, pin) end
+
+interruptCallbacks[pin] = val
+dirs[pin] = false
+return function()
+return pio.pin.getval(pin)
+end
+end
+
+if val ~= nil then
+dirs[pin] = true
+pio.pin.setdir(val == 1 and pio.OUTPUT1 or pio.OUTPUT, pin)
+else
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+dirs[pin] = false
+pio.pin.setdir(pio.INPUT, pin)
+if pull then pio.pin.setpull(pull or pio.PULLUP, pin) end
+end
+
+return function(val)
+val = tonumber(val)
+if (not val and dirs[pin]) or (val and not dirs[pin]) then
+pio.pin.close(pin)
+pio.pin.setdir(val and (val == 1 and pio.OUTPUT1 or pio.OUTPUT) or pio.INPUT, pin)
+if not val and pull then pio.pin.setpull(pull or pio.PULLUP, pin) end
+dirs[pin] = val and true or false
+return val or pio.pin.getval(pin)
+end
+if val then
+pio.pin.setval(val, pin)
+return val
+else
+return pio.pin.getval(pin)
+end
+end
+end
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+function close(pin)
+pio.pin.close(pin)
+end
+
+rtos.on(rtos.MSG_INT, function(msg)
+if interruptCallbacks[msg.int_resnum] == nil then
+log.warn('pins.rtos.on', 'warning:rtos.MSG_INT callback nil', msg.int_resnum)
+return
+end
+interruptCallbacks[msg.int_resnum](msg.int_id)
+end)
+
+
+IOMUX_GPIO0 = 0
+IOMUX_GPIO1 = 1
+IOMUX_GPIO2 = 2
+IOMUX_GPIO3 = 3
+IOMUX_GPIO4 = 4
+IOMUX_GPIO5 = 5
+
+IOMUX_GPIO8 = 8
+IOMUX_GPIO9 = 9
+IOMUX_GPIO10 = 10
+
+IOMUX_GPIO11 = 11
+IOMUX_GPIO12 = 12
+IOMUX_GPIO13 = 13
+IOMUX_GPIO14 = 14
+IOMUX_GPIO15 = 15
+IOMUX_GPIO18 = 18
+IOMUX_GPIO19 = 19
+IOMUX_GPIO20 = 20
+
+IOMUX_GPIO21 = 21
+IOMUX_GPIO22 = 22
+IOMUX_GPIO23 = 23
+IOMUX_GPIO29 = 29
+IOMUX_GPIO30 = 30
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+IOMUX_GPIO31 = 31
+
+IOMUX_USART_1 = 57
+IOMUX_USART_2 = 58
+IOMUX_USART_3 = 59
+
+IOMUX_I2C_2	= 67
+IOMUX_I2C_3	= 68