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Merge pull request #4241 from AnHardt/adTXbuffer3

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Add TX-buffer for MarlinSerial
This commit is contained in:
Scott Lahteine 2016-07-08 18:34:53 -07:00 committed by GitHub
parent 98d0167a57 4b44a23a36
commit c23dd7eefc
20 changed files with 280 additions and 48 deletions
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6
Marlin/Configuration_adv.h
View file

@ -520,6 +520,12 @@ const unsigned int dropsegments = 5; //everything with less than this number of
#define MAX_CMD_SIZE 96
#define BUFSIZE 4
// Set Transfer-Buffer-Size by uncommenting the next define. Default size is 32byte.
// :[0,2,4,8,16,32,64,128,256]. To save 386byte of PROGMEM and (3 + TX_BUFFER_SIZE) bytes of RAM set TX_BUFFER_SIZE to 0
// To buffer a simple "ok" you need 4 byte, for ADVANCED_OK/M105 you need 32 and for debug-echo: 128 byte to get the optimal speed.
// Any other output does not need to be that speedy.
#define TX_BUFFER_SIZE 0
// Enable an emergency-command parser to intercept certain commands as they
// enter the serial receive buffer, so they cannot be blocked.
// Currently handles M108, M112, M410

148
Marlin/MarlinSerial.cpp
View file

@ -21,11 +21,12 @@
*/
/**
HardwareSerial.cpp - Hardware serial library for Wiring
MarlinSerial.cpp - Hardware serial library for Wiring
Copyright (c) 2006 Nicholas Zambetti. All right reserved.
Modified 23 November 2006 by David A. Mellis
Modified 28 September 2010 by Mark Sproul
Modified 14 February 2016 by Andreas Hardtung (added tx buffer)
*/
#include "Marlin.h"
@ -38,9 +39,14 @@
#if defined(UBRRH) || defined(UBRR0H) || defined(UBRR1H) || defined(UBRR2H) || defined(UBRR3H)
#if UART_PRESENT(SERIAL_PORT)
ring_buffer rx_buffer = { { 0 }, 0, 0 };
ring_buffer_r rx_buffer = { { 0 }, 0, 0 };
#if TX_BUFFER_SIZE > 0
ring_buffer_t tx_buffer = { { 0 }, 0, 0 };
static bool _written;
#endif
#endif
FORCE_INLINE void store_char(unsigned char c) {
CRITICAL_SECTION_START;
uint8_t h = rx_buffer.head;
@ -61,12 +67,38 @@ FORCE_INLINE void store_char(unsigned char c) {
#endif
}
#if TX_BUFFER_SIZE > 0
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;
uint8_t c = tx_buffer.buffer[t];
tx_buffer.tail = (t + 1) & (TX_BUFFER_SIZE - 1);
M_UDRx = c;
// clear the TXC bit -- "can be cleared by writing a one to its bit
// location". This makes sure flush() won't return until the bytes
// actually got written
SBI(M_UCSRxA, M_TXCx);
if (tx_buffer.head == tx_buffer.tail) {
// Buffer empty, so disable interrupts
CBI(M_UCSRxB, M_UDRIEx);
}
}
#if defined(M_USARTx_UDRE_vect)
ISR(M_USARTx_UDRE_vect) {
_tx_udr_empty_irq();
}
#endif
#endif
//#elif defined(SIG_USART_RECV)
#if defined(M_USARTx_RX_vect)
// fixed by Mark Sproul this is on the 644/644p
//SIGNAL(SIG_USART_RECV)
SIGNAL(M_USARTx_RX_vect) {
ISR(M_USARTx_RX_vect) {
unsigned char c = M_UDRx;
store_char(c);
}
@ -107,14 +139,25 @@ void MarlinSerial::begin(long baud) {
SBI(M_UCSRxB, M_RXENx);
SBI(M_UCSRxB, M_TXENx);
SBI(M_UCSRxB, M_RXCIEx);
#if TX_BUFFER_SIZE > 0
CBI(M_UCSRxB, M_UDRIEx);
_written = false;
#endif
}
void MarlinSerial::end() {
CBI(M_UCSRxB, M_RXENx);
CBI(M_UCSRxB, M_TXENx);
CBI(M_UCSRxB, M_RXCIEx);
CBI(M_UCSRxB, M_UDRIEx);
}
void MarlinSerial::checkRx(void) {
if (TEST(M_UCSRxA, M_RXCx)) {
uint8_t c = M_UDRx;
store_char(c);
}
}
int MarlinSerial::peek(void) {
int v;
@ -145,7 +188,16 @@ int MarlinSerial::read(void) {
return v;
}
void MarlinSerial::flush() {
uint8_t MarlinSerial::available(void) {
CRITICAL_SECTION_START;
uint8_t h = rx_buffer.head;
uint8_t t = rx_buffer.tail;
CRITICAL_SECTION_END;
return (uint8_t)(RX_BUFFER_SIZE + h - t) & (RX_BUFFER_SIZE - 1);
}
void MarlinSerial::flush(void) {
// RX
// don't reverse this or there may be problems if the RX interrupt
// occurs after reading the value of rx_buffer_head but before writing
// the value to rx_buffer_tail; the previous value of rx_buffer_head
@ -156,6 +208,86 @@ void MarlinSerial::flush() {
CRITICAL_SECTION_END;
}
#if TX_BUFFER_SIZE > 0
uint8_t MarlinSerial::availableForWrite(void) {
CRITICAL_SECTION_START;
uint8_t h = tx_buffer.head;
uint8_t t = tx_buffer.tail;
CRITICAL_SECTION_END;
return (uint8_t)(TX_BUFFER_SIZE + h - t) & (TX_BUFFER_SIZE - 1);
}
void MarlinSerial::write(uint8_t c) {
_written = true;
CRITICAL_SECTION_START;
bool emty = (tx_buffer.head == tx_buffer.tail);
CRITICAL_SECTION_END;
// If the buffer and the data register is empty, just write the byte
// to the data register and be done. This shortcut helps
// significantly improve the effective datarate at high (>
// 500kbit/s) bitrates, where interrupt overhead becomes a slowdown.
if (emty && TEST(M_UCSRxA, M_UDREx)) {
CRITICAL_SECTION_START;
M_UDRx = c;
SBI(M_UCSRxA, M_TXCx);
CRITICAL_SECTION_END;
return;
}
uint8_t i = (tx_buffer.head + 1) & (TX_BUFFER_SIZE - 1);
// If the output buffer is full, there's nothing for it other than to
// wait for the interrupt handler to empty it a bit
while (i == tx_buffer.tail) {
if (!TEST(SREG, SREG_I)) {
// Interrupts are disabled, so we'll have to poll the data
// register empty flag ourselves. If it is set, pretend an
// interrupt has happened and call the handler to free up
// space for us.
if(TEST(M_UCSRxA, M_UDREx))
_tx_udr_empty_irq();
} else {
// nop, the interrupt handler will free up space for us
}
}
tx_buffer.buffer[tx_buffer.head] = c;
{ CRITICAL_SECTION_START;
tx_buffer.head = i;
SBI(M_UCSRxB, M_UDRIEx);
CRITICAL_SECTION_END;
}
return;
}
void MarlinSerial::flushTX(void) {
// TX
// If we have never written a byte, no need to flush. This special
// case is needed since there is no way to force the TXC (transmit
// complete) bit to 1 during initialization
if (!_written)
return;
while (TEST(M_UCSRxB, M_UDRIEx) || !TEST(M_UCSRxA, M_TXCx)) {
if (!TEST(SREG, SREG_I) && TEST(M_UCSRxB, M_UDRIEx))
// Interrupts are globally disabled, but the DR empty
// interrupt should be enabled, so poll the DR empty flag to
// prevent deadlock
if (TEST(M_UCSRxA, M_UDREx))
_tx_udr_empty_irq();
}
// If we get here, nothing is queued anymore (DRIE is disabled) and
// the hardware finished tranmission (TXC is set).
}
#else
void MarlinSerial::write(uint8_t c) {
while (!TEST(M_UCSRxA, M_UDREx))
;
M_UDRx = c;
}
#endif
// end NEW
/// imports from print.h
@ -321,7 +453,7 @@ MarlinSerial customizedSerial;
// Currently looking for: M108, M112, M410
// If you alter the parser please don't forget to update the capabilities in Conditionals.h
void emergency_parser(unsigned char c) {
FORCE_INLINE void emergency_parser(unsigned char c) {
enum e_parser_state {
state_RESET,

72
Marlin/MarlinSerial.h
View file

@ -21,10 +21,12 @@
*/
/**
HardwareSerial.h - Hardware serial library for Wiring
MarlinSerial.h - Hardware serial library for Wiring
Copyright (c) 2006 Nicholas Zambetti. All right reserved.
Modified 28 September 2010 by Mark Sproul
Modified 14 February 2016 by Andreas Hardtung (added tx buffer)
*/
#ifndef MarlinSerial_h
@ -61,14 +63,17 @@
#define M_UCSRxB SERIAL_REGNAME(UCSR,SERIAL_PORT,B)
#define M_RXENx SERIAL_REGNAME(RXEN,SERIAL_PORT,)
#define M_TXENx SERIAL_REGNAME(TXEN,SERIAL_PORT,)
#define M_TXCx SERIAL_REGNAME(TXC,SERIAL_PORT,)
#define M_RXCIEx SERIAL_REGNAME(RXCIE,SERIAL_PORT,)
#define M_UDREx SERIAL_REGNAME(UDRE,SERIAL_PORT,)
#define M_UDRIEx SERIAL_REGNAME(UDRIE,SERIAL_PORT,)
#define M_UDRx SERIAL_REGNAME(UDR,SERIAL_PORT,)
#define M_UBRRxH SERIAL_REGNAME(UBRR,SERIAL_PORT,H)
#define M_UBRRxL SERIAL_REGNAME(UBRR,SERIAL_PORT,L)
#define M_RXCx SERIAL_REGNAME(RXC,SERIAL_PORT,)
#define M_USARTx_RX_vect SERIAL_REGNAME(USART,SERIAL_PORT,_RX_vect)
#define M_U2Xx SERIAL_REGNAME(U2X,SERIAL_PORT,)
#define M_USARTx_UDRE_vect SERIAL_REGNAME(USART,SERIAL_PORT,_UDRE_vect)
#define DEC 10
@ -87,18 +92,35 @@
#ifndef RX_BUFFER_SIZE
#define RX_BUFFER_SIZE 128
#endif
#ifndef TX_BUFFER_SIZE
#define TX_BUFFER_SIZE 32
#endif
#if !((RX_BUFFER_SIZE == 256) ||(RX_BUFFER_SIZE == 128) ||(RX_BUFFER_SIZE == 64) ||(RX_BUFFER_SIZE == 32) ||(RX_BUFFER_SIZE == 16) ||(RX_BUFFER_SIZE == 8) ||(RX_BUFFER_SIZE == 4) ||(RX_BUFFER_SIZE == 2))
#error "RX_BUFFER_SIZE has to be a power of 2 and >= 2"
#endif
#if !((TX_BUFFER_SIZE == 256) ||(TX_BUFFER_SIZE == 128) ||(TX_BUFFER_SIZE == 64) ||(TX_BUFFER_SIZE == 32) ||(TX_BUFFER_SIZE == 16) ||(TX_BUFFER_SIZE == 8) ||(TX_BUFFER_SIZE == 4) ||(TX_BUFFER_SIZE == 2) ||(TX_BUFFER_SIZE == 0))
#error TX_BUFFER_SIZE has to be a power of 2 or 0
#endif
struct ring_buffer {
struct ring_buffer_r {
unsigned char buffer[RX_BUFFER_SIZE];
volatile uint8_t head;
volatile uint8_t tail;
};
#if TX_BUFFER_SIZE > 0
struct ring_buffer_t {
unsigned char buffer[TX_BUFFER_SIZE];
volatile uint8_t head;
volatile uint8_t tail;
};
#endif
#if UART_PRESENT(SERIAL_PORT)
extern ring_buffer rx_buffer;
extern ring_buffer_r rx_buffer;
#if TX_BUFFER_SIZE > 0
extern ring_buffer_t tx_buffer;
#endif
#endif
#if ENABLED(EMERGENCY_PARSER)
@ -115,43 +137,13 @@ class MarlinSerial { //: public Stream
int peek(void);
int read(void);
void flush(void);
FORCE_INLINE uint8_t available(void) {
CRITICAL_SECTION_START;
uint8_t h = rx_buffer.head;
uint8_t t = rx_buffer.tail;
CRITICAL_SECTION_END;
return (uint8_t)(RX_BUFFER_SIZE + h - t) & (RX_BUFFER_SIZE - 1);
}
FORCE_INLINE void write(uint8_t c) {
while (!TEST(M_UCSRxA, M_UDREx))
;
M_UDRx = c;
}
FORCE_INLINE void checkRx(void) {
if (TEST(M_UCSRxA, M_RXCx)) {
unsigned char c = M_UDRx;
CRITICAL_SECTION_START;
uint8_t h = rx_buffer.head;
uint8_t i = (uint8_t)(h + 1) & (RX_BUFFER_SIZE - 1);
// if we should be storing the received character into the location
// just before the tail (meaning that the head would advance to the
// current location of the tail), we're about to overflow the buffer
// and so we don't write the character or advance the head.
if (i != rx_buffer.tail) {
rx_buffer.buffer[h] = c;
rx_buffer.head = i;
}
CRITICAL_SECTION_END;
#if ENABLED(EMERGENCY_PARSER)
emergency_parser(c);
#endif
}
}
uint8_t available(void);
void checkRx(void);
void write(uint8_t c);
#if TX_BUFFER_SIZE > 0
uint8_t availableForWrite(void);
void flushTX(void);
#endif
private:
void printNumber(unsigned long, uint8_t);

6
Marlin/example_configurations/Cartesio/Configuration_adv.h
View file

@ -520,6 +520,12 @@ const unsigned int dropsegments = 5; //everything with less than this number of
#define MAX_CMD_SIZE 96
#define BUFSIZE 4
// Set Transfer-Buffer-Size by uncommenting the next define. Default size is 32byte.
// :[0,2,4,8,16,32,64,128,256]. To save 386byte of PROGMEM and (3 + TX_BUFFER_SIZE) bytes of RAM set TX_BUFFER_SIZE to 0
// To buffer a simple "ok" you need 4 byte, for ADVANCED_OK/M105 you need 32 and for debug-echo: 128 byte to get the optimal speed.
// Any other output does not need to be that speedy.
#define TX_BUFFER_SIZE 0
// Enable an emergency-command parser to intercept certain commands as they
// enter the serial receive buffer, so they cannot be blocked.
// Currently handles M108, M112, M410

6
Marlin/example_configurations/Felix/Configuration_adv.h
View file

@ -520,6 +520,12 @@ const unsigned int dropsegments = 5; //everything with less than this number of
#define MAX_CMD_SIZE 96
#define BUFSIZE 4
// Set Transfer-Buffer-Size by uncommenting the next define. Default size is 32byte.
// :[0,2,4,8,16,32,64,128,256]. To save 386byte of PROGMEM and (3 + TX_BUFFER_SIZE) bytes of RAM set TX_BUFFER_SIZE to 0
// To buffer a simple "ok" you need 4 byte, for ADVANCED_OK/M105 you need 32 and for debug-echo: 128 byte to get the optimal speed.
// Any other output does not need to be that speedy.
#define TX_BUFFER_SIZE 0
// Enable an emergency-command parser to intercept certain commands as they
// enter the serial receive buffer, so they cannot be blocked.
// Currently handles M108, M112, M410

6
Marlin/example_configurations/Hephestos/Configuration_adv.h
View file

@ -520,6 +520,12 @@ const unsigned int dropsegments = 5; //everything with less than this number of
#define MAX_CMD_SIZE 96
#define BUFSIZE 4
// Set Transfer-Buffer-Size by uncommenting the next define. Default size is 32byte.
// :[0,2,4,8,16,32,64,128,256]. To save 386byte of PROGMEM and (3 + TX_BUFFER_SIZE) bytes of RAM set TX_BUFFER_SIZE to 0
// To buffer a simple "ok" you need 4 byte, for ADVANCED_OK/M105 you need 32 and for debug-echo: 128 byte to get the optimal speed.
// Any other output does not need to be that speedy.
#define TX_BUFFER_SIZE 0
// Enable an emergency-command parser to intercept certain commands as they
// enter the serial receive buffer, so they cannot be blocked.
// Currently handles M108, M112, M410

6
Marlin/example_configurations/Hephestos_2/Configuration_adv.h
View file

@ -520,6 +520,12 @@ const unsigned int dropsegments = 5; //everything with less than this number of
#define MAX_CMD_SIZE 96
#define BUFSIZE 4
// Set Transfer-Buffer-Size by uncommenting the next define. Default size is 32byte.
// :[0,2,4,8,16,32,64,128,256]. To save 386byte of PROGMEM and (3 + TX_BUFFER_SIZE) bytes of RAM set TX_BUFFER_SIZE to 0
// To buffer a simple "ok" you need 4 byte, for ADVANCED_OK/M105 you need 32 and for debug-echo: 128 byte to get the optimal speed.
// Any other output does not need to be that speedy.
#define TX_BUFFER_SIZE 0
// Enable an emergency-command parser to intercept certain commands as they
// enter the serial receive buffer, so they cannot be blocked.
// Currently handles M108, M112, M410

6
Marlin/example_configurations/K8200/Configuration_adv.h
View file

@ -526,6 +526,12 @@ const unsigned int dropsegments = 2; //everything with less than this number of
#define MAX_CMD_SIZE 96
#define BUFSIZE 4
// Set Transfer-Buffer-Size by uncommenting the next define. Default size is 32byte.
// :[0,2,4,8,16,32,64,128,256]. To save 386byte of PROGMEM and (3 + TX_BUFFER_SIZE) bytes of RAM set TX_BUFFER_SIZE to 0
// To buffer a simple "ok" you need 4 byte, for ADVANCED_OK/M105 you need 32 and for debug-echo: 128 byte to get the optimal speed.
// Any other output does not need to be that speedy.
#define TX_BUFFER_SIZE 0
// Enable an emergency-command parser to intercept certain commands as they
// enter the serial receive buffer, so they cannot be blocked.
// Currently handles M108, M112, M410

6
Marlin/example_configurations/K8400/Configuration_adv.h
View file

@ -520,6 +520,12 @@ const unsigned int dropsegments = 5; //everything with less than this number of
#define MAX_CMD_SIZE 96
#define BUFSIZE 26
// Set Transfer-Buffer-Size by uncommenting the next define. Default size is 32byte.
// :[0,2,4,8,16,32,64,128,256]. To save 386byte of PROGMEM and (3 + TX_BUFFER_SIZE) bytes of RAM set TX_BUFFER_SIZE to 0
// To buffer a simple "ok" you need 4 byte, for ADVANCED_OK/M105 you need 32 and for debug-echo: 128 byte to get the optimal speed.
// Any other output does not need to be that speedy.
#define TX_BUFFER_SIZE 0
// Enable an emergency-command parser to intercept certain commands as they
// enter the serial receive buffer, so they cannot be blocked.
// Currently handles M108, M112, M410

6
Marlin/example_configurations/RigidBot/Configuration_adv.h
View file

@ -520,6 +520,12 @@ const unsigned int dropsegments = 5; //everything with less than this number of
#define MAX_CMD_SIZE 96
#define BUFSIZE 8
// Set Transfer-Buffer-Size by uncommenting the next define. Default size is 32byte.
// :[0,2,4,8,16,32,64,128,256]. To save 386byte of PROGMEM and (3 + TX_BUFFER_SIZE) bytes of RAM set TX_BUFFER_SIZE to 0
// To buffer a simple "ok" you need 4 byte, for ADVANCED_OK/M105 you need 32 and for debug-echo: 128 byte to get the optimal speed.
// Any other output does not need to be that speedy.
#define TX_BUFFER_SIZE 0
// Enable an emergency-command parser to intercept certain commands as they
// enter the serial receive buffer, so they cannot be blocked.
// Currently handles M108, M112, M410

6
Marlin/example_configurations/SCARA/Configuration_adv.h
View file

@ -520,6 +520,12 @@ const unsigned int dropsegments = 5; //everything with less than this number of
#define MAX_CMD_SIZE 96
#define BUFSIZE 4
// Set Transfer-Buffer-Size by uncommenting the next define. Default size is 32byte.
// :[0,2,4,8,16,32,64,128,256]. To save 386byte of PROGMEM and (3 + TX_BUFFER_SIZE) bytes of RAM set TX_BUFFER_SIZE to 0
// To buffer a simple "ok" you need 4 byte, for ADVANCED_OK/M105 you need 32 and for debug-echo: 128 byte to get the optimal speed.
// Any other output does not need to be that speedy.
#define TX_BUFFER_SIZE 0
// Enable an emergency-command parser to intercept certain commands as they
// enter the serial receive buffer, so they cannot be blocked.
// Currently handles M108, M112, M410

6
Marlin/example_configurations/TAZ4/Configuration_adv.h
View file

@ -528,6 +528,12 @@ const unsigned int dropsegments = 5; //everything with less than this number of
#define MAX_CMD_SIZE 96
#define BUFSIZE 4
// Set Transfer-Buffer-Size by uncommenting the next define. Default size is 32byte.
// :[0,2,4,8,16,32,64,128,256]. To save 386byte of PROGMEM and (3 + TX_BUFFER_SIZE) bytes of RAM set TX_BUFFER_SIZE to 0
// To buffer a simple "ok" you need 4 byte, for ADVANCED_OK/M105 you need 32 and for debug-echo: 128 byte to get the optimal speed.
// Any other output does not need to be that speedy.
#define TX_BUFFER_SIZE 0
// Enable an emergency-command parser to intercept certain commands as they
// enter the serial receive buffer, so they cannot be blocked.
// Currently handles M108, M112, M410

6
Marlin/example_configurations/WITBOX/Configuration_adv.h
View file

@ -520,6 +520,12 @@ const unsigned int dropsegments = 5; //everything with less than this number of
#define MAX_CMD_SIZE 96
#define BUFSIZE 4
// Set Transfer-Buffer-Size by uncommenting the next define. Default size is 32byte.
// :[0,2,4,8,16,32,64,128,256]. To save 386byte of PROGMEM and (3 + TX_BUFFER_SIZE) bytes of RAM set TX_BUFFER_SIZE to 0
// To buffer a simple "ok" you need 4 byte, for ADVANCED_OK/M105 you need 32 and for debug-echo: 128 byte to get the optimal speed.
// Any other output does not need to be that speedy.
#define TX_BUFFER_SIZE 0
// Enable an emergency-command parser to intercept certain commands as they
// enter the serial receive buffer, so they cannot be blocked.
// Currently handles M108, M112, M410

6
Marlin/example_configurations/delta/biv2.5/Configuration_adv.h
View file

@ -522,6 +522,12 @@ const unsigned int dropsegments = 5; //everything with less than this number of
#define MAX_CMD_SIZE 96
#define BUFSIZE 4
// Set Transfer-Buffer-Size by uncommenting the next define. Default size is 32byte.
// :[0,2,4,8,16,32,64,128,256]. To save 386byte of PROGMEM and (3 + TX_BUFFER_SIZE) bytes of RAM set TX_BUFFER_SIZE to 0
// To buffer a simple "ok" you need 4 byte, for ADVANCED_OK/M105 you need 32 and for debug-echo: 128 byte to get the optimal speed.
// Any other output does not need to be that speedy.
#define TX_BUFFER_SIZE 0
// Enable an emergency-command parser to intercept certain commands as they
// enter the serial receive buffer, so they cannot be blocked.
// Currently handles M108, M112, M410

6
Marlin/example_configurations/delta/generic/Configuration_adv.h
View file

@ -522,6 +522,12 @@ const unsigned int dropsegments = 5; //everything with less than this number of
#define MAX_CMD_SIZE 96
#define BUFSIZE 4
// Set Transfer-Buffer-Size by uncommenting the next define. Default size is 32byte.
// :[0,2,4,8,16,32,64,128,256]. To save 386byte of PROGMEM and (3 + TX_BUFFER_SIZE) bytes of RAM set TX_BUFFER_SIZE to 0
// To buffer a simple "ok" you need 4 byte, for ADVANCED_OK/M105 you need 32 and for debug-echo: 128 byte to get the optimal speed.
// Any other output does not need to be that speedy.
#define TX_BUFFER_SIZE 0
// Enable an emergency-command parser to intercept certain commands as they
// enter the serial receive buffer, so they cannot be blocked.
// Currently handles M108, M112, M410

6
Marlin/example_configurations/delta/kossel_mini/Configuration_adv.h
View file

@ -521,6 +521,12 @@ const unsigned int dropsegments = 5; //everything with less than this number of
#define MAX_CMD_SIZE 96
#define BUFSIZE 4
// Set Transfer-Buffer-Size by uncommenting the next define. Default size is 32byte.
// :[0,2,4,8,16,32,64,128,256]. To save 386byte of PROGMEM and (3 + TX_BUFFER_SIZE) bytes of RAM set TX_BUFFER_SIZE to 0
// To buffer a simple "ok" you need 4 byte, for ADVANCED_OK/M105 you need 32 and for debug-echo: 128 byte to get the optimal speed.
// Any other output does not need to be that speedy.
#define TX_BUFFER_SIZE 0
// Enable an emergency-command parser to intercept certain commands as they
// enter the serial receive buffer, so they cannot be blocked.
// Currently handles M108, M112, M410

6
Marlin/example_configurations/delta/kossel_pro/Configuration_adv.h
View file

@ -526,6 +526,12 @@ const unsigned int dropsegments = 5; //everything with less than this number of
#define MAX_CMD_SIZE 96
#define BUFSIZE 4
// Set Transfer-Buffer-Size by uncommenting the next define. Default size is 32byte.
// :[0,2,4,8,16,32,64,128,256]. To save 386byte of PROGMEM and (3 + TX_BUFFER_SIZE) bytes of RAM set TX_BUFFER_SIZE to 0
// To buffer a simple "ok" you need 4 byte, for ADVANCED_OK/M105 you need 32 and for debug-echo: 128 byte to get the optimal speed.
// Any other output does not need to be that speedy.
#define TX_BUFFER_SIZE 0
// Enable an emergency-command parser to intercept certain commands as they
// enter the serial receive buffer, so they cannot be blocked.
// Currently handles M108, M112, M410

6
Marlin/example_configurations/delta/kossel_xl/Configuration_adv.h
View file

@ -522,6 +522,12 @@ const unsigned int dropsegments = 5; //everything with less than this number of
#define MAX_CMD_SIZE 96
#define BUFSIZE 4
// Set Transfer-Buffer-Size by uncommenting the next define. Default size is 32byte.
// :[0,2,4,8,16,32,64,128,256]. To save 386byte of PROGMEM and (3 + TX_BUFFER_SIZE) bytes of RAM set TX_BUFFER_SIZE to 0
// To buffer a simple "ok" you need 4 byte, for ADVANCED_OK/M105 you need 32 and for debug-echo: 128 byte to get the optimal speed.
// Any other output does not need to be that speedy.
#define TX_BUFFER_SIZE 0
// Enable an emergency-command parser to intercept certain commands as they
// enter the serial receive buffer, so they cannot be blocked.
// Currently handles M108, M112, M410

6
Marlin/example_configurations/makibox/Configuration_adv.h
View file

@ -520,6 +520,12 @@ const unsigned int dropsegments = 5; //everything with less than this number of
#define MAX_CMD_SIZE 96
#define BUFSIZE 4
// Set Transfer-Buffer-Size by uncommenting the next define. Default size is 32byte.
// :[0,2,4,8,16,32,64,128,256]. To save 386byte of PROGMEM and (3 + TX_BUFFER_SIZE) bytes of RAM set TX_BUFFER_SIZE to 0
// To buffer a simple "ok" you need 4 byte, for ADVANCED_OK/M105 you need 32 and for debug-echo: 128 byte to get the optimal speed.
// Any other output does not need to be that speedy.
#define TX_BUFFER_SIZE 0
// Enable an emergency-command parser to intercept certain commands as they
// enter the serial receive buffer, so they cannot be blocked.
// Currently handles M108, M112, M410

6
Marlin/example_configurations/tvrrug/Round2/Configuration_adv.h
View file

@ -520,6 +520,12 @@ const unsigned int dropsegments = 5; //everything with less than this number of
#define MAX_CMD_SIZE 96
#define BUFSIZE 4
// Set Transfer-Buffer-Size by uncommenting the next define. Default size is 32byte.
// :[0,2,4,8,16,32,64,128,256]. To save 386byte of PROGMEM and (3 + TX_BUFFER_SIZE) bytes of RAM set TX_BUFFER_SIZE to 0
// To buffer a simple "ok" you need 4 byte, for ADVANCED_OK/M105 you need 32 and for debug-echo: 128 byte to get the optimal speed.
// Any other output does not need to be that speedy.
#define TX_BUFFER_SIZE 0
// Enable an emergency-command parser to intercept certain commands as they
// enter the serial receive buffer, so they cannot be blocked.
// Currently handles M108, M112, M410