tiny6410裸机程序示例

#include "s3c6410.h" #define UTXH0 (*(volatile unsigned char*)UTXH0_REG) #define UTRSTAT0 (*(volatile unsigned char*)UTRSTAT0_REG) void uart_putc(char c) { while(!(UTRSTAT0 & UTRSTAT_TX_EMPTY)); UTXH0 = c; } void uart_print(const char* str) { while(*str) { uart_putc(*str); str ++; } } void delay(int msec) { int i, j; for(i=1000; i>0; i--) { for(j=msec*10; j>0; j--) /*do nothing;*/; } } int xmain() { while (1) { delay(1000); uart_print("Uart Hello World\r\n"); } return 0; }