format code according to conventions [skip ci]
This commit is contained in:
parent
1751c3cc25
commit
a7d859dab8
|
@ -32,35 +32,35 @@
|
|||
#include "uart.h"
|
||||
|
||||
#if defined(__AVR_ATmega168__) || defined(__AVR_ATmega168P__) || defined(__AVR_ATmega328P__)
|
||||
# define UDRn UDR0
|
||||
# define UBRRn UBRR0
|
||||
# define UCSRnA UCSR0A
|
||||
# define UCSRnB UCSR0B
|
||||
# define UCSRnC UCSR0C
|
||||
# define U2Xn U2X0
|
||||
# define RXENn RXEN0
|
||||
# define TXENn TXEN0
|
||||
# define RXCIEn RXCIE0
|
||||
# define UCSZn1 UCSZ01
|
||||
# define UCSZn0 UCSZ00
|
||||
# define UDRIEn UDRIE0
|
||||
# define UDRE_vect USART_UDRE_vect
|
||||
# define RX_vect USART_RX_vect
|
||||
# define UDRn UDR0
|
||||
# define UBRRn UBRR0
|
||||
# define UCSRnA UCSR0A
|
||||
# define UCSRnB UCSR0B
|
||||
# define UCSRnC UCSR0C
|
||||
# define U2Xn U2X0
|
||||
# define RXENn RXEN0
|
||||
# define TXENn TXEN0
|
||||
# define RXCIEn RXCIE0
|
||||
# define UCSZn1 UCSZ01
|
||||
# define UCSZn0 UCSZ00
|
||||
# define UDRIEn UDRIE0
|
||||
# define UDRE_vect USART_UDRE_vect
|
||||
# define RX_vect USART_RX_vect
|
||||
#elif defined(__AVR_ATmega32U4__) || defined(__AVR_ATmega32U2__) || defined(__AVR_AT90USB1286__) || defined(__AVR_AT90USB1287__)
|
||||
# define UDRn UDR1
|
||||
# define UBRRn UBRR1
|
||||
# define UCSRnA UCSR1A
|
||||
# define UCSRnB UCSR1B
|
||||
# define UCSRnC UCSR1C
|
||||
# define U2Xn U2X1
|
||||
# define RXENn RXEN1
|
||||
# define TXENn TXEN1
|
||||
# define RXCIEn RXCIE1
|
||||
# define UCSZn1 UCSZ11
|
||||
# define UCSZn0 UCSZ10
|
||||
# define UDRIEn UDRIE1
|
||||
# define UDRE_vect USART1_UDRE_vect
|
||||
# define RX_vect USART1_RX_vect
|
||||
# define UDRn UDR1
|
||||
# define UBRRn UBRR1
|
||||
# define UCSRnA UCSR1A
|
||||
# define UCSRnB UCSR1B
|
||||
# define UCSRnC UCSR1C
|
||||
# define U2Xn U2X1
|
||||
# define RXENn RXEN1
|
||||
# define TXENn TXEN1
|
||||
# define RXCIEn RXCIE1
|
||||
# define UCSZn1 UCSZ11
|
||||
# define UCSZn0 UCSZ10
|
||||
# define UDRIEn UDRIE1
|
||||
# define UDRE_vect USART1_UDRE_vect
|
||||
# define RX_vect USART1_RX_vect
|
||||
#endif
|
||||
|
||||
// These buffers may be any size from 2 to 256 bytes.
|
||||
|
@ -92,14 +92,14 @@ void uart_putchar(uint8_t c) {
|
|||
|
||||
i = tx_buffer_head + 1;
|
||||
if (i >= TX_BUFFER_SIZE) i = 0;
|
||||
// return immediately to avoid deadlock when interrupt is disabled(called from ISR)
|
||||
if (tx_buffer_tail == i && (SREG & (1<<SREG_I)) == 0) return;
|
||||
// return immediately to avoid deadlock when interrupt is disabled(called from ISR)
|
||||
if (tx_buffer_tail == i && (SREG & (1 << SREG_I)) == 0) return;
|
||||
while (tx_buffer_tail == i)
|
||||
; // wait until space in buffer
|
||||
// cli();
|
||||
tx_buffer[i] = c;
|
||||
tx_buffer_head = i;
|
||||
UCSRB = (1 << RXENn) | (1 << TXENn) | (1 << RXCIEn) | (1 << UDRIEn);
|
||||
UCSRB = (1 << RXENn) | (1 << TXENn) | (1 << RXCIEn) | (1 << UDRIEn);
|
||||
// sei();
|
||||
}
|
||||
|
||||
|
|
Loading…
Reference in New Issue