PORT按CPU型号更简单

2026-05-27 23:30:31 +08:00
parent 21b3c925c2
commit dc144a5cf4
24 changed files with 2519 additions and 953 deletions
@@ -0,0 +1,10 @@
+#include <os_loopdelay.h>
+
+#if defined (__GNUC__) /*!< GNU Compiler */
+__attribute__((naked))
+void os_loop_delay(unsigned long ulCount){
+    __asm("    add     a0, a0, -1           \n"
+          "    bne     x0, a0, os_loop_delay    \n"
+          "    ret     ");
+}
+#endif /* __CC_ARM */