root/branch/lashermes/sp4c12/SP4c1/SP4c1.c @ 751
| 751 | celasherme | /***********************************************************************/
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/* */
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/* FILE :SP4C1.c */
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/* DATE :Wed, Jun 02, 2021 */
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/* DESCRIPTION :main program file. */
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/* CPU GROUP :87B */
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/* */
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/* This file is generated by Renesas Project Generator (Ver.4.18). */
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/* NOTE:THIS IS A TYPICAL EXAMPLE. */
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/***********************************************************************/
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#include "sfr32c87.h"
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// initialisation du port serie
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void uart0_init (void)
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{
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u0mr=0b01100101; // configuration UART mode 8bit data length, internal clock , parity disabled , TX RX not inverted
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// on n'utilise pas
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u0smr=0x00;
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u0smr2=0x00;
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u0smr3=0x00;
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u0smr4=0x00;
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// pour configurer la frequence f8=(20Mhz/8) , CTS function not selected ,CTS function disabled ,LSB first
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u0c0=0b00010001;
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u0brg=32;
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/// transmit bit operation enable and receive operation enable
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u0c1=0x00;
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p6_0=0;
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p6_1=0;
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p6_2=0;
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p6_3=1;
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ps0_0=0;
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ps0_1=0;
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ps0_2=0;
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ps0_3=1;
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u0c1=0b00000101;
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}
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void uart0_tx(char c) // envoyer un caractere sur la liaison serie
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{
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while (ti_u0c1 !=1) // le faire tant qu'on n'a pas de donn?e dur le registre U0TB
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{
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u0tb=c; //ecriture dans le registre de transmition
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}
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}
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char uart0_rx(void) // envoyer un caractere sur la liaison serie
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{
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while (ti_u0c1 !=0)
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{
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return u0rb;
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}
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}
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void main(void)
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{
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uart0_init();
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while(1) // emet en boucle le meme carac
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{
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uart0_tx('A');
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}
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}
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