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Code Issues Releases Activity

Refactoring the UART0 / USART0 receive interrupt handler.

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This commit is contained in:
David A. Mellis 2011-05-07 12:47:43 -04:00
parent 63e91725d9
commit c740778bf6
1 changed files with 11 additions and 40 deletions
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51
hardware/arduino/cores/arduino/HardwareSerial.cpp
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@ -81,61 +81,32 @@ inline void store_char(unsigned char c, ring_buffer *buffer)
} }
} }
#if !defined(USART_RX_vect) && !defined(SIG_USART0_RECV) && \
!defined(SIG_UART0_RECV) && !defined(USART0_RX_vect) && \
!defined(SIG_UART_RECV)
#error Don't know what the Data Received vector is called for the first UART
#else
#if defined(USART_RX_vect) #if defined(USART_RX_vect)
SIGNAL(USART_RX_vect) SIGNAL(USART_RX_vect)
{ #elif defined(SIG_USART0_RECV)
#if defined(UDR0)
unsigned char c = UDR0;
#elif defined(UDR)
unsigned char c = UDR; // atmega8535
#else
#error UDR not defined
#endif
store_char(c, &rx_buffer);
}
#elif defined(SIG_USART0_RECV) && defined(UDR0)
SIGNAL(SIG_USART0_RECV) SIGNAL(SIG_USART0_RECV)
{ #elif defined(SIG_UART0_RECV)
unsigned char c = UDR0;
store_char(c, &rx_buffer);
}
#elif defined(SIG_UART0_RECV) && defined(UDR0)
SIGNAL(SIG_UART0_RECV) SIGNAL(SIG_UART0_RECV)
{
unsigned char c = UDR0;
store_char(c, &rx_buffer);
}
//#elif defined(SIG_USART_RECV)
#elif defined(USART0_RX_vect) #elif defined(USART0_RX_vect)
// fixed by Mark Sproul this is on the 644/644p
//SIGNAL(SIG_USART_RECV)
SIGNAL(USART0_RX_vect) SIGNAL(USART0_RX_vect)
#elif defined(SIG_UART_RECV)
SIGNAL(SIG_UART_RECV)
#endif
{ {
#if defined(UDR0) #if defined(UDR0)
unsigned char c = UDR0; unsigned char c = UDR0;
#elif defined(UDR) #elif defined(UDR)
unsigned char c = UDR; // atmega8, atmega32 unsigned char c = UDR;
#else #else
#error UDR not defined #error UDR not defined
#endif #endif
store_char(c, &rx_buffer); store_char(c, &rx_buffer);
} }
#elif defined(SIG_UART_RECV)
// this is for atmega8
SIGNAL(SIG_UART_RECV)
{
#if defined(UDR0)
unsigned char c = UDR0; // atmega645
#elif defined(UDR)
unsigned char c = UDR; // atmega8
#endif
store_char(c, &rx_buffer);
}
#elif defined(USBCON)
#warning No interrupt handler for usart 0
#warning Serial(0) is on USB interface
#else
#error No interrupt handler for usart 0
#endif #endif
//#if defined(SIG_USART1_RECV) //#if defined(SIG_USART1_RECV)