24 lines
932 B
C#
24 lines
932 B
C#
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using System;
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using GHIElectronics.NETMF.Hardware.LowLevel;
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using System.IO.Ports;
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namespace PlaneOnBoardSoftware
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{
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class FEZ_Low_Level
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{
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// add this function anywhere
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static public void RemapCOM4to_TXAn2_RXAn3(SerialPort ser)
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{
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// call this function **after** you open COM4 port
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if (ser.PortName != "COM4" || ser.IsOpen == false)
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throw new Exception("Only use COM4 and make sure it is open");
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// remap COM4 RX (in) pin from P4.29/DIO17 to P0.26 (that is An3)
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// remap COM4 TX (out) pin from P4.28/DIO13 to P0.25 (that is An2)
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Register PINSEL9 = new Register(0xE002C024);
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PINSEL9.Write(0);// COM4 is now disconnected from P4.28 and P4.29
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Register PINSEL1 = new Register(0xE002C004);
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PINSEL1.SetBits(0xf << 18);// COM4 is now connected to An3 and An4
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}
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}
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}
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