更新 UART_kx12A6_event.cs

修改TransmitCharacter函数

UART_kx12A6_event.cs

@@ -11,7 +11,7 @@ using Antmicro.Renode.Peripherals.Bus;
 using Antmicro.Renode.Peripherals.UART;
 using Antmicro.Renode.Utilities;
 using Antmicro.Renode.Time;
-// using Antmicro.Migrant;
+using Antmicro.Migrant;
 
 namespace Antmicro.Renode.Peripherals.CustomPeripherals
 {
@@ -111,19 +111,13 @@ namespace Antmicro.Renode.Peripherals.CustomPeripherals
             {
 
                 case (long)Registers.FSTA:      // FIFO状态寄存器
-                    lock(txFifoLock)
-                    {
                     value = (byte)(fsta & 0xFF);
-                    }    
                     this.Log(LogLevel.Info, "Read FSTA: 0x{0:X2}", value);
                     break; 
 
                 case (long)Registers.FRM_CNT:      //帧计数，待定
-                    lock(txFifoLock)
-                    {
                     value = (uint)frm_cnt;
-                    } 
-                    this.Log(LogLevel.Info, "Read FRM_CNT: {0}", value);
+                    this.Log(LogLevel.Info, "Read TBR_FreeBytes: {0}", value);
                     break;
 
                 case (long)Registers.TBR_FreeBytes:      //发送FIFO剩余字节数
@@ -425,7 +419,12 @@ namespace Antmicro.Renode.Peripherals.CustomPeripherals
         public uint GetByteCount() => byte_cnt;
         public ushort GetFrameCount() => frm_cnt;
 
-        private void TransmitCharacter(byte data) { }
+        public event Action<byte> CharReceived;
+
+        private void TransmitCharacter(byte data) 
+        {
+            CharReceived?.Invoke(data);
+        }
 
 
         public long Size => 0x80;   //uart地址长度总空间