增加定时器中断，提高定时精度

2024-01-15 20:30:02 +08:00
parent a46186cd18
commit 6094aff6c1
4 changed files with 68 additions and 26 deletions
--- a/include/uart.h
+++ b/include/uart.h
@ -17,6 +17,6 @@ extern __bit busy;
 void uart_init(u8 baud);
 void send_string(char *s);
 void send_data(u8 dat);
-int putchar(char c);
+int  putchar(char c);

 #endif