Révision 795
Ajouté par clbouillot2 il y a presque 4 ans
| SP4c12.c | ||
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void uart0_init(void)
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{
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u0mr = 0x05; //configure l'UART en mode 8 bits, sans parit? et avec 1 bit de stop
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u0mr = 0x05; //configure l'UART en mode 8 bits, sans parit? et avec 1 bit de stop
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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; //configure la fr?quence ? 20 MHz
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u0brg = 0x20;
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u0c1 = 0b00000101;
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(pd6 & 0x0F) = 0x08 //configure la broche TX en sortie et la broche RX en entr?e
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ps0 = 0x08;
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}
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u0c0 = 0x11; //configure la fr?quence ? 2.5 MHz
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u0brg = 0x20; //configure le baud rate ? 4735 bauds
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u0c1 = 0x05;
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pd6_3 = 1; //configure la broche TX en sortie
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pd6_2 = 0; //configure la broche RX en entr?e
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pd6_1 = 0;
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pd6_0 = 0;
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ps0_3 = 1;
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ps0_2 = 0;
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ps0_1 = 0;
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ps0_0 = 0;
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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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while (ti_u0c1 != 1);
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u0tb = c;
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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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uart0_init();
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while (1){
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uart0_tx ('A');
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int i=0;
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for (i=0; i<26; i++){
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uart0_tx ('A'+i);
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}
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}
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}
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