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removed unecessary indirect register adressing in serial.

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Bernhard
2011-11-28 19:28:38 +01:00
parent dd5ca68c87
commit b9ad0bb2ce
2 changed files with 20 additions and 47 deletions
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22
Marlin/MarlinSerial.h
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@ -46,23 +46,9 @@ struct ring_buffer
class MarlinSerial //: public Stream
{
private:
volatile uint8_t *_ubrrh;
volatile uint8_t *_ubrrl;
volatile uint8_t *_ucsra;
volatile uint8_t *_ucsrb;
volatile uint8_t *_udr;
uint8_t _rxen;
uint8_t _txen;
uint8_t _rxcie;
uint8_t _udre;
uint8_t _u2x;
public:
MarlinSerial(
volatile uint8_t *ubrrh, volatile uint8_t *ubrrl,
volatile uint8_t *ucsra, volatile uint8_t *ucsrb,
volatile uint8_t *udr,
uint8_t rxen, uint8_t txen, uint8_t rxcie, uint8_t udre, uint8_t u2x);
MarlinSerial();
void begin(long);
void end();
inline int available(void)
@ -74,10 +60,10 @@ class MarlinSerial //: public Stream
void flush(void);
inline void write(uint8_t c)
{
while (!((*_ucsra) & (1 << _udre)))
while (!((UCSR0A) & (1 << UDRE0)))
;
*_udr = c;
UDR0 = c;
}