修复开关控制组控的控制异常问题

修改PB开关状态组控处理，解决后32路的开关状态会复用上前32个回路的数据

Source/ckcpu.ld

@@ -0,0 +1,58 @@
+MEMORY
+{
+ROM(RX)   : ORIGIN = 0x00000000,  LENGTH = 64K
+RAM(RWX)  : ORIGIN = 0x20000000,  LENGTH = 4K
+}
+__kernel_stack = ORIGIN(RAM) + LENGTH(RAM) -8 ;
+ENTRY(__start)
+
+SECTIONS {
+    .text :
+    {
+    . = ALIGN(0x4) ;
+        *crt0.o (.text)
+        *(.text)
+    } >ROM
+
+    .RomCode :
+    {
+    . = ALIGN(0x4) ;
+        *(.text)
+    } >ROM
+	
+    .rodata :
+    {
+    . = ALIGN(0x4) ;
+        *(.rodata) 
+        *(.rodata.*)
+    . = ALIGN(0x4) ; 
+        _end_rodata = .;
+    } >ROM
+
+    .data : AT(_end_rodata)
+    { 
+    . = ALIGN(0x4) ;
+	_start_data = .;
+    	*( .data );
+    . = ALIGN(0x4) ;
+    	_end_data = .; 
+    } >RAM
+
+    .bss :
+    {
+         . = ALIGN(0x4) ;
+         _bss_start = . ;
+             *(.sbss)
+             *(.sbss.*)
+             *(.scommon)
+             *(.bss)
+             *(.bss.*)
+             *(COMMON)
+             . = ALIGN(0x4) ;
+          _ebss = . ;
+          _end = . ;
+          end = . ;
+    } >RAM
+
+}
+