Renesas Asynchronous SH7145F Manual do Utilizador descarregar pdf (Página 16)

SH7145F

Multiprocessor Communications

REJ06B0358-0100O/Rev.1.00 March 2004 Page 16 of 17

void trans_id(char num){

while(!(P_SCI0.SSR_0.BYTE & 0x80)){ /* Wait until data can be written to TDR */

; /* (until TDRE is set to 1) */

}

if(num == 0){

P_SCI0.TDR_0 = ID_1; /* Write ID data to TDR */

}

else if(num == 1){

P_SCI0.TDR_0 = ID_2; /* Write ID data to TDR */

}

P_SCI0.SSR_0.BIT.MPBT = 1; /* Set MPBT bit to 1 */

P_SCI0.SSR_0.BYTE &= 0x7F; /* Clear flag, transmit */

}

/************************************************************************/

/* Function : trans_data */

/* Operation : Write 1 character to serial output */

/* Argument : d_num */

/* Value returned : None */

/************************************************************************/

void trans_data(char data){

while(!(P_SCI0.SSR_0.BYTE & 0x80)){ /* Wait until data can be written to TDR */

; /* (until TDRE is set to 1) */

}

P_SCI0.TDR_0 = data; /* Write data to TDR */

P_SCI0.SSR_0.BIT.MPBT = 0; /* Clear MPBT bit to 0 */

P_SCI0.SSR_0.BYTE &= 0x7F; /* Clear flag, transmit */

}

/**************************************

Interrupt handling

**************************************/

#pragma interrupt(dummy_f)

void dummy_f(void)

{

/* Other Interrupt */

}

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Renesas Asynchronous SH7145F Manual do Utilizador Página 16