Révision 911
Ajouté par dgmbadinga il y a environ 4 ans
| uart0.c | ||
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#include "sfr32c87.h"
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void uart0_init(void)
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{
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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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u0smr=0x00;
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u0smr2=0x00;
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u0smr3=0x00;
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u0smr4=0x00;
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clk0_u0c0=0;
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clk1_u0c0=0;
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crd_u0c0=1;
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crs_u0c0=0;
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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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txept_u0c0=0;
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u0brg=255;
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te_u0c1=0;
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re_u0c1=0;
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ti_u0c1=1;
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ri_u0c1=0;
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u0rrm_u0c1=0;
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u0lch_u0c1=0;
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//bit 7=0
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u0c1=u0c1 & 0x7f;
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pd6_0=0;
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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=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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psl0_0=0;
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}
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void uart0_init (void)
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{
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//initialisation des ports
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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_1 = 0;
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ps0_2 = 0;
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ps0_3 = 1;
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//initialisation des registres
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u0mr = 0x05;
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u0brg = 0x20;
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u0c0 = 0x11;
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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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ti_u0c1=0;
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while(ri_u0c1!=1);
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u0tb=c;
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}
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char uart0_rx(void)
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{
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psl0_0=1;
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while(ri_u0c1!=1);
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return u0rb;
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}
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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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char c;
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while(ri_u0c1!=1);
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c=u0rb;
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uart0_tx(c);
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return c;
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}
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Formats disponibles : Unified diff
tpsp4 c12 non terminé