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Optimized the MarlinSerial class by declaring all methods static.

Browse source 
The MarlinSerial defines no member variable, though the AVR GCC
stored a "this" pointer onto stack when calling the non-static
methods anyway.
This commit is contained in:
bubnikv 2018-02-02 20:25:19 +01:00
parent 8375e2cee3
commit 485355274e
2 changed files with 32 additions and 40 deletions
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7
Firmware/MarlinSerial.cpp
View file

@ -99,13 +99,6 @@ ISR(USART1_RX_vect)
#endif
#endif
// Constructors ////////////////////////////////////////////////////////////////
MarlinSerial::MarlinSerial()
{
}
// Public Methods //////////////////////////////////////////////////////////////
void MarlinSerial::begin(long baud)

65
Firmware/MarlinSerial.h
View file

@ -90,14 +90,13 @@ class MarlinSerial //: public Stream
{
public:
MarlinSerial();
void begin(long);
void end();
int peek(void);
int read(void);
void flush(void);
static void begin(long);
static void end();
static int peek(void);
static int read(void);
static void flush(void);
FORCE_INLINE int available(void)
static FORCE_INLINE int available(void)
{
return (unsigned int)(RX_BUFFER_SIZE + rx_buffer.head - rx_buffer.tail) % RX_BUFFER_SIZE;
}
@ -110,7 +109,7 @@ class MarlinSerial //: public Stream
M_UDRx = c;
}
*/
void write(uint8_t c)
static void write(uint8_t c)
{
if (selectedSerialPort == 0)
{
@ -124,7 +123,7 @@ class MarlinSerial //: public Stream
}
}
void checkRx(void)
static void checkRx(void)
{
if (selectedSerialPort == 0) {
if((M_UCSRxA & (1<<M_RXCx)) != 0) {
@ -150,7 +149,7 @@ class MarlinSerial //: public Stream
#endif //DEBUG_DUMP_TO_2ND_SERIAL
}
}
} else if(selectedSerialPort == 1) {
} else { // if(selectedSerialPort == 1) {
if((UCSR1A & (1<<RXC1)) != 0) {
// Test for a framing error.
if (UCSR1A & (1<<FE1)) {
@ -179,54 +178,54 @@ class MarlinSerial //: public Stream
private:
void printNumber(unsigned long, uint8_t);
void printFloat(double, uint8_t);
static void printNumber(unsigned long, uint8_t);
static void printFloat(double, uint8_t);
public:
FORCE_INLINE void write(const char *str)
static FORCE_INLINE void write(const char *str)
{
while (*str)
write(*str++);
}
FORCE_INLINE void write(const uint8_t *buffer, size_t size)
static FORCE_INLINE void write(const uint8_t *buffer, size_t size)
{
while (size--)
write(*buffer++);
}
FORCE_INLINE void print(const String &s)
static FORCE_INLINE void print(const String &s)
{
for (int i = 0; i < (int)s.length(); i++) {
write(s[i]);
}
}
FORCE_INLINE void print(const char *str)
static FORCE_INLINE void print(const char *str)
{
write(str);
}
void print(char, int = BYTE);
void print(unsigned char, int = BYTE);
void print(int, int = DEC);
void print(unsigned int, int = DEC);
void print(long, int = DEC);
void print(unsigned long, int = DEC);
void print(double, int = 2);
static void print(char, int = BYTE);
static void print(unsigned char, int = BYTE);
static void print(int, int = DEC);
static void print(unsigned int, int = DEC);
static void print(long, int = DEC);
static void print(unsigned long, int = DEC);
static void print(double, int = 2);
void println(const String &s);
void println(const char[]);
void println(char, int = BYTE);
void println(unsigned char, int = BYTE);
void println(int, int = DEC);
void println(unsigned int, int = DEC);
void println(long, int = DEC);
void println(unsigned long, int = DEC);
void println(double, int = 2);
void println(void);
static void println(const String &s);
static void println(const char[]);
static void println(char, int = BYTE);
static void println(unsigned char, int = BYTE);
static void println(int, int = DEC);
static void println(unsigned int, int = DEC);
static void println(long, int = DEC);
static void println(unsigned long, int = DEC);
static void println(double, int = 2);
static void println(void);
};
extern MarlinSerial MSerial;