uartutl.c

瑞萨(Renesas)M16C系列芯片的函数库

#include "uartutl.h"	// UART utility header file
#include "sfr62p.h"	// SFR definition of M16C/62P

/*""FUNC COMMENT""*************************************************************
* ID         		: ---
* Function name     : void InitUART(void)
* Function     		: initialize UART0
* Paramenter   		: none
* Return 	 		: none
* Function used		: none
* Notice	   		: none
* History    		: ---
*""FUNC COMMENT END""*********************************************************/
void InitUART(void)
{
    /*----- initialize UART0 -----*/
    s0ric = 0x00;                   /* set UART0 receiving interrupt control register  */
                                    /* disable interrupt                  */
    s0tic = 0x00;                   /* set UART0 sending interrupt control register */
                                    /* disable interrupt                   */

    u0mr  = 0x05;                   /* select internal clock                  */
                                    /* asynchrouse, 8bit, no parity, no sleep     */

    u0c0  = 0x10;                   /* set UART0 tranmit/receive control register       */
                                    /* select clock f1  */
                                    
    u0brg = 39;                     /* set UART0 bit rate generator          */
                                    
    re_u0c1 = 1;                  /* enable receiving                             */
    te_u0c1 = 1;                  /* enable sending                             */
}