增加重启以及修改接收BOOT ID为0x21

2026-05-02 07:27:52 +08:00
parent 2153bfcd1b
commit 2f94a8ecae
5 changed files with 145 additions and 164 deletions
--- a/START_XC.a51
+++ b/START_XC.a51
@@ -314,6 +314,21 @@ ENDIF
                RSEG    ?C_C51STARTUP

 STARTUP1:
+                MOV     DPTR,#0xF5E7
+                MOVX    A,@DPTR 
+                CJNE    A,#0x55,ClOCKINIT  ;判断数据是否相等，不相等就初始化时钟表示为重新上电
+                AJMP    Restart1
+				
+Restart1:       MOV     DPTR,#0xF600
+                MOVX    A,@DPTR
+                CJNE    A,#0x55,ClOCKINIT  ;判断数据是否相等，不相等就初始化时钟表示为重新上电
+                AJMP    STARECMAIN         ;两次判断相等就直接跳转到main函数
+
+
+STARECMAIN:     MOV     SP,#?STACK-1
+                LJMP    ?C_START 
+
+ClOCKINIT:

 IF (XTAL <> 0)       
                    ; switch to external XTAL