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/***********************************************************************/
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/* */
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/* FILE :uart0.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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void uart0_init(void)
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{
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u0mr = 0x05;
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//Param?trage des modes sp?ciaux
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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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u0c0 = 0x11;
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//Param?trage des bauds
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u0brg = 32;
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u0c1 = 0x00;
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pd6_0 =1;
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pd6_1 =0;
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pd6_2 =0;
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pd6_3 =1;
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ps0_0 =1;
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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 = 0x05;
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}
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void uart0_tx (char c)
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{
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while ( ti_u0c1 !=1);
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u0tb = c;
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}
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char uart0_rx()
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{
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while (ri_u0c1 !=1);
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return u0rb;
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}
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char alphabet(void)
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{
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int c = 65;
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uart0_init();
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while(1)
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{
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uart0_tx((char) c);
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c = (int)c +1;
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if (c==91)
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{
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c = (int) 65;
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}
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}
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}
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int hex2int( char*c)
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{
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int i =0;
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int dec =0;
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for( i; i<=1;i++)
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{
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if(c[i] >=65 && c[i]<=70)
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{
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c[i] = c[i]-55;
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}
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else
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{
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c[i] = c[i]-48;
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}
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}
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dec = c[0]*16+c[1];
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return dec;
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}
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int trame_ok;
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int recTrame (char *Buffer)
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{
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int i=0;
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char CS =0x00;
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int CS_dec;
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char CS_reel[2];
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int CS_reel_dec;
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char a;
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while (uart0_rx() !='$');
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a = uart0_rx();
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while (a != '*')
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{
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Buffer[i] = a;
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CS = Buffer[i]^CS;
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i++;
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a = uart0_rx();
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}
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CS_reel[0] = uart0_rx();
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CS_reel[1] = uart0_rx();
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CS_reel_dec = hex2int(CS_reel);
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CS_dec = (int) CS;
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if (CS_dec ==CS_reel_dec)
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{
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trame_ok =1;
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}
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else
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{
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trame_ok =0;
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}
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return i;
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}
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void main(void)
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{
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char nb1;
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char nb2;
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char trame[100];
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uart0_init();
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while (1)
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{
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nb1 = (char) (recTrame(trame))/10;
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nb2 = (char) (recTrame(trame))%10;
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if (trame_ok)
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{
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uart0_tx(nb1+48);
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uart0_tx(nb2+48);
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}
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}
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}
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