andrey
/
Marlin_FB4S
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
Browse Source

Merge pull request #4655 from thinkyhead/rc_serial_static 

Optimize, reduce size of MarlinSerial
pull/1/head
Scott Lahteine 8 years ago
committed by GitHub
parent
b15f8ca641 14395a1a96
commit
394c80c87b
2 changed files with 75 additions and 86 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 55
      Marlin/MarlinSerial.cpp
  2. 70
      Marlin/MarlinSerial.h

55
Marlin/MarlinSerial.cpp
View File

@ -68,8 +68,8 @@ FORCE_INLINE void store_char(unsigned char c) {
}
#if TX_BUFFER_SIZE > 0
FORCE_INLINE void _tx_udr_empty_irq(void)
{
FORCE_INLINE void _tx_udr_empty_irq(void) {
// If interrupts are enabled, there must be more data in the output
// buffer. Send the next byte
uint8_t t = tx_buffer.tail;
@ -95,7 +95,7 @@ FORCE_INLINE void store_char(unsigned char c) {
}
#endif
#endif
#endif // TX_BUFFER_SIZE
#if defined(M_USARTx_RX_vect)
ISR(M_USARTx_RX_vect) {
@ -160,15 +160,8 @@ void MarlinSerial::checkRx(void) {
}
int MarlinSerial::peek(void) {
int v;
CRITICAL_SECTION_START;
uint8_t t = rx_buffer.tail;
if (rx_buffer.head == t) {
v = -1;
}
else {
v = rx_buffer.buffer[t];
}
int v = rx_buffer.head == rx_buffer.tail ? -1 : rx_buffer.buffer[rx_buffer.tail];
CRITICAL_SECTION_END;
return v;
}
@ -190,8 +183,8 @@ int MarlinSerial::read(void) {
uint8_t MarlinSerial::available(void) {
CRITICAL_SECTION_START;
uint8_t h = rx_buffer.head;
uint8_t t = rx_buffer.tail;
uint8_t h = rx_buffer.head,
t = rx_buffer.tail;
CRITICAL_SECTION_END;
return (uint8_t)(RX_BUFFER_SIZE + h - t) & (RX_BUFFER_SIZE - 1);
}
@ -251,11 +244,10 @@ void MarlinSerial::flush(void) {
}
tx_buffer.buffer[tx_buffer.head] = c;
{ CRITICAL_SECTION_START;
CRITICAL_SECTION_START;
tx_buffer.head = i;
SBI(M_UCSRxB, M_UDRIEx);
CRITICAL_SECTION_END;
}
return;
}
@ -386,23 +378,18 @@ void MarlinSerial::println(double n, int digits) {
// Private Methods /////////////////////////////////////////////////////////////
void MarlinSerial::printNumber(unsigned long n, uint8_t base) {
unsigned char buf[8 * sizeof(long)]; // Assumes 8-bit chars.
unsigned long i = 0;
if (n == 0) {
print('0');
return;
}
while (n > 0) {
if (n) {
unsigned char buf[8 * sizeof(long)]; // Enough space for base 2
int8_t i = 0;
while (n) {
buf[i++] = n % base;
n /= base;
}
for (; i > 0; i--)
print((char)(buf[i - 1] < 10 ?
'0' + buf[i - 1] :
'A' + buf[i - 1] - 10));
while (i--)
print((char)(buf[i] + (buf[i] < 10 ? '0' : 'A' - 10)));
}
else
print('0');
}
void MarlinSerial::printFloat(double number, uint8_t digits) {
@ -415,7 +402,7 @@ void MarlinSerial::printFloat(double number, uint8_t digits) {
// Round correctly so that print(1.999, 2) prints as "2.00"
double rounding = 0.5;
for (uint8_t i = 0; i < digits; ++i)
rounding /= 10.0;
rounding *= 0.1;
number += rounding;
@ -425,16 +412,17 @@ void MarlinSerial::printFloat(double number, uint8_t digits) {
print(int_part);
// Print the decimal point, but only if there are digits beyond
if (digits > 0) print('.');
if (digits) {
print('.');
// Extract digits from the remainder one at a time
while (digits-- > 0) {
while (digits--) {
remainder *= 10.0;
int toPrint = int(remainder);
print(toPrint);
remainder -= toPrint;
}
}
}
// Preinstantiate Objects //////////////////////////////////////////////////////
@ -534,4 +522,5 @@ MarlinSerial customizedSerial;
}
}
}
#endif

70
Marlin/MarlinSerial.h
View File

@ -127,47 +127,47 @@ class MarlinSerial { //: public Stream
public:
MarlinSerial();
void begin(long);
void end();
int peek(void);
int read(void);
void flush(void);
uint8_t available(void);
void checkRx(void);
void write(uint8_t c);
static void begin(long);
static void end();
static int peek(void);
static int read(void);
static void flush(void);
static uint8_t available(void);
static void checkRx(void);
static void write(uint8_t c);
#if TX_BUFFER_SIZE > 0
uint8_t availableForWrite(void);
void flushTX(void);
static uint8_t availableForWrite(void);
static void flushTX(void);
#endif
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) { while (*str) write(*str++); }
FORCE_INLINE void write(const uint8_t* buffer, size_t size) { while (size--) write(*buffer++); }
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) { 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);
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 FORCE_INLINE void write(const char* str) { while (*str) write(*str++); }
static FORCE_INLINE void write(const uint8_t* buffer, size_t size) { while (size--) write(*buffer++); }
static FORCE_INLINE void print(const String& s) { for (int i = 0; i < (int)s.length(); i++) write(s[i]); }
static FORCE_INLINE void print(const char* str) { write(str); }
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);
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 customizedSerial;

Write Preview
Loading…
Cancel
Save