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Added URSEL flag to fix ATMEGA8 functionality #84

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Added URSEL flag to fix ATMEGA8 functionality #84

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12 changes: 12 additions & 0 deletions src/DMXSerial.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -55,10 +55,22 @@ typedef enum {
// receiver must accept 88 us break and 8 us MAB
#define BREAKSPEED 100000L

#if !defined(DMX_USE_PORT1) && defined(USART_RXC_vect)

// ATMEGA8 requires that URSEL be set to 1 when writing to register UCSRC
// This definition appends the required bit to the serial definition

#define BREAKFORMAT (SERIAL_8E2 | (1<<URSEL))
#define DMXFORMAT (SERIAL_8N2 | (1<<URSEL))
#define DMXREADFORMAT (SERIAL_8N1 | (1<<URSEL))

#else

#define BREAKFORMAT SERIAL_8E2
#define DMXFORMAT SERIAL_8N2
#define DMXREADFORMAT SERIAL_8N1

#endif

// ----- include processor specific definitions and functions.

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