Révision 725
Ajouté par Massamba FALL il y a presque 4 ans
| branch/fall/sp4c12/uart0/uart0/uart0.c | ||
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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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void main(void)
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void uart0_init() //initialisation du port s?rie
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{
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/**registre u0mr
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smd0_u0mr = 1;
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smd1_u0mr = 0;
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smd2_u0mr = 1;
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ckdir_u0mr = 0;
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stps_u0mr = 0;
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prye_u0mr = 0;
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iopol_u0mr = 0;**/
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u0mr = 0x05;
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u0brg = 64;
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/**registre u0c0
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clk0_u0c0 = 1;
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clk1_u0c0 = 0;
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crs_u0c0 = 1;
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crd_u0c0 = 1;
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nch_u0c0 = 0;
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ckpol_u0c0 = 0;
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uform_u0c0 = 0;
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**/
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u0c0 = 0x00;
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/**registre u0c1
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te_u0c1 = 1;
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re_u0c1 = 1;
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u0rrm_u0c1 = 0;
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u0lch_u0c1 = 0;
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sclkstpb_u0c1 = 0;**/
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u0c1 = 0x05;
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pd6_3 = 1;
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pd6_2 = 0;
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ps0_3 = 1;
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ps0_2 = 0;
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}
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void uart0_tx(char c) //envoi d'un caractere liaison s?rie
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{
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while(!ti_u0c1); //attente liaison
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u0tb = c;
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}
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char uart0_rx() //reception d un caractere sur le port serie
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{
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while(ri_u0c1 != 1); //attente liaison
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return u0rb;
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}
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void fonction_alphabet(void)
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{
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int i;
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for(i=97 ; i<123 ; i++)
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uart0_tx(i);
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}
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int Rectrame(char *Buffer)
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{
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int nombre_element_tableau = 0;
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char caractere_recu;
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char checksum ='0';
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char ancienne_valeur_checksum ='0';
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char string[5] = {'g','p','g','g','a'};
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int i;
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/**lecture du caractere recu**/
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caractere_recu = uart0_rx();
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/**detection trame**/
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while( caractere_recu != '$')
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{
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caractere_recu = uart0_rx();
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}
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nombre_element_tableau=0;
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checksum = 0;
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/**memorisation de la trame recue**/
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while( caractere_recu != '*')
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{
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caractere_recu = uart0_rx();
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Buffer[nombre_element_tableau++] = caractere_recu;
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}
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for(i=0 ; i<5 ; i++)
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{
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if(Buffer[i] != string[i])
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return 0;
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}
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return nombre_element_tableau;
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}
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