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Update usart_printf.c

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Patrick Servello
2015-02-01 14:08:29 +00:00
parent dd4b565f8e
commit b0b3d81a73
1 changed files with 2 additions and 8 deletions
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6
src/usart_printf/usart_printf.c
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@ -8,11 +8,7 @@
void usart_initialize(void) { void usart_initialize(void) {
UBRR0H = (BAUD_PRESCALE >> 8); UBRR0H = (BAUD_PRESCALE >> 8);
UBRR0L = BAUD_PRESCALE; UBRR0L = BAUD_PRESCALE;
//Enable receive and transmit
UCSR0B = (1<<RXEN0) | (1<<TXEN0); UCSR0B = (1<<RXEN0) | (1<<TXEN0);
// Set frame to 8 bits
UCSR0C = (1<<UCSZ01) | (1<<UCSZ00); UCSR0C = (1<<UCSZ01) | (1<<UCSZ00);
} }
@ -22,10 +18,8 @@ void usart_send_byte(char byte, FILE *stream) {
} }
loop_until_bit_is_set(UCSR0A,UDRE0); loop_until_bit_is_set(UCSR0A,UDRE0);
UDR0 = byte; UDR0 = byte;
} }
char usart_get_byte(FILE *stream) { char usart_get_byte(FILE *stream) {
loop_until_bit_is_set(UCSR0A, RXC0); loop_until_bit_is_set(UCSR0A, RXC0);
return UDR0; return UDR0;