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[2.0.x] Emergency parser for multiple serial ports (#10524)

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This commit is contained in:
Scott Lahteine
2018-04-25 20:58:00 -05:00
committed by GitHub
parent 8cc31d1b2e
commit 2578996631
8 changed files with 121 additions and 106 deletions
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6
Marlin/src/HAL/HAL_AVR/MarlinSerial.cpp
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@@ -85,6 +85,10 @@
FORCE_INLINE void store_rxd_char() {
#if ENABLED(EMERGENCY_PARSER)
static EmergencyParser::State emergency_state; // = EP_RESET
#endif
const ring_buffer_pos_t h = rx_buffer.head,
i = (ring_buffer_pos_t)(h + 1) & (ring_buffer_pos_t)(RX_BUFFER_SIZE - 1);
@@ -160,7 +164,7 @@
#endif // SERIAL_XON_XOFF
#if ENABLED(EMERGENCY_PARSER)
emergency_parser.update(c);
emergency_parser.update(emergency_state, c);
#endif
}

6
Marlin/src/HAL/HAL_DUE/MarlinSerial_Due.cpp
View File

@@ -112,6 +112,10 @@
FORCE_INLINE void store_rxd_char() {
#if ENABLED(EMERGENCY_PARSER)
static EmergencyParser::State emergency_state; // = EP_RESET
#endif
const ring_buffer_pos_t h = rx_buffer.head,
i = (ring_buffer_pos_t)(h + 1) & (ring_buffer_pos_t)(RX_BUFFER_SIZE - 1);
@@ -182,7 +186,7 @@
#endif // SERIAL_XON_XOFF
#if ENABLED(EMERGENCY_PARSER)
emergency_parser.update(c);
emergency_parser.update(emergency_state, c);
#endif
}

8
Marlin/src/HAL/HAL_LPC1768/HardwareSerial.cpp
View File

@@ -24,12 +24,6 @@
#include "HardwareSerial.h"
#include "../../inc/MarlinConfigPre.h"
#if ENABLED(EMERGENCY_PARSER)
#include "../../feature/emergency_parser.h"
#endif
#if SERIAL_PORT == 0 || SERIAL_PORT_2 == 0
HardwareSerial Serial = HardwareSerial(LPC_UART0);
#elif SERIAL_PORT == 1 || SERIAL_PORT_2 == 1
@@ -254,7 +248,7 @@ void HardwareSerial::IRQHandler() {
// Clear the FIFO
while (UART_Receive(UARTx, &byte, 1, NONE_BLOCKING)) {
#if ENABLED(EMERGENCY_PARSER)
emergency_parser.update(byte);
emergency_parser.update(emergency_state, byte);
#endif
if ((RxQueueWritePos + 1) % RX_BUFFER_SIZE != RxQueueReadPos) {
RxBuffer[RxQueueWritePos] = byte;

13
Marlin/src/HAL/HAL_LPC1768/HardwareSerial.h
View File

@@ -23,6 +23,11 @@
#ifndef HARDWARE_SERIAL_H_
#define HARDWARE_SERIAL_H_
#include "../../inc/MarlinConfigPre.h"
#if ENABLED(EMERGENCY_PARSER)
#include "../../feature/emergency_parser.h"
#endif
#include <stdarg.h>
#include <stdio.h>
#include <Stream.h>
@@ -32,8 +37,6 @@ extern "C" {
#include "lpc17xx_pinsel.h"
}
#include "../../inc/MarlinConfigPre.h"
class HardwareSerial : public Stream {
private:
LPC_UART_TypeDef *UARTx;
@@ -48,6 +51,9 @@ private:
uint32_t TxQueueWritePos;
uint32_t TxQueueReadPos;
#endif
#if ENABLED(EMERGENCY_PARSER)
EmergencyParser::State emergency_state;
#endif
public:
HardwareSerial(LPC_UART_TypeDef *UARTx)
@@ -59,6 +65,9 @@ public:
, TxQueueWritePos(0)
, TxQueueReadPos(0)
#endif
#if ENABLED(EMERGENCY_PARSER)
, emergency_state(EmergencyParser::State::EP_RESET)
#endif
{
}

10
Marlin/src/HAL/HAL_LPC1768/include/serial.h
View File

@@ -23,6 +23,11 @@
#ifndef _HAL_SERIAL_H_
#define _HAL_SERIAL_H_
#include "../../../inc/MarlinConfigPre.h"
#if ENABLED(EMERGENCY_PARSER)
#include "../../../feature/emergency_parser.h"
#endif
#include <stdarg.h>
#include <stdio.h>
@@ -73,6 +78,11 @@ private:
class HalSerial {
public:
#if ENABLED(EMERGENCY_PARSER)
EmergencyParser::State emergency_state;
#endif
HalSerial() { host_connected = false; }
void begin(int32_t baud) {

86
Marlin/src/feature/emergency_parser.cpp
View File

@@ -30,92 +30,10 @@
#include "emergency_parser.h"
extern volatile bool wait_for_user, wait_for_heatup;
void quickstop_stepper();
EmergencyParser::State EmergencyParser::state = EP_RESET;
// Static data members
bool EmergencyParser::killed_by_M112; // = false
// Global instance
EmergencyParser emergency_parser;
void EmergencyParser::update(const uint8_t c) {
switch (state) {
case EP_RESET:
switch (c) {
case ' ': break;
case 'N': state = EP_N; break;
case 'M': state = EP_M; break;
default: state = EP_IGNORE;
}
break;
case EP_N:
switch (c) {
case '0': case '1': case '2':
case '3': case '4': case '5':
case '6': case '7': case '8':
case '9': case '-': case ' ': break;
case 'M': state = EP_M; break;
default: state = EP_IGNORE;
}
break;
case EP_M:
switch (c) {
case ' ': break;
case '1': state = EP_M1; break;
case '4': state = EP_M4; break;
default: state = EP_IGNORE;
}
break;
case EP_M1:
switch (c) {
case '0': state = EP_M10; break;
case '1': state = EP_M11; break;
default: state = EP_IGNORE;
}
break;
case EP_M10:
state = (c == '8') ? EP_M108 : EP_IGNORE;
break;
case EP_M11:
state = (c == '2') ? EP_M112 : EP_IGNORE;
break;
case EP_M4:
state = (c == '1') ? EP_M41 : EP_IGNORE;
break;
case EP_M41:
state = (c == '0') ? EP_M410 : EP_IGNORE;
break;
case EP_IGNORE:
if (c == '\n') state = EP_RESET;
break;
default:
if (c == '\n') {
switch (state) {
case EP_M108:
wait_for_user = wait_for_heatup = false;
break;
case EP_M112:
killed_by_M112 = true;
break;
case EP_M410:
quickstop_stepper();
break;
default:
break;
}
state = EP_RESET;
}
}
}
#endif // EMERGENCY_PARSER

90
Marlin/src/feature/emergency_parser.h
View File

@@ -27,8 +27,14 @@
#ifndef _EMERGENCY_PARSER_H_
#define _EMERGENCY_PARSER_H_
// External references
extern volatile bool wait_for_user, wait_for_heatup;
void quickstop_stepper();
class EmergencyParser {
public:
// Currently looking for: M108, M112, M410
enum State : char {
EP_RESET,
@@ -45,14 +51,90 @@ class EmergencyParser {
EP_IGNORE // to '\n'
};
public:
static EmergencyParser::State state;
static bool killed_by_M112;
EmergencyParser() {}
static void update(const uint8_t c);
__attribute__((always_inline)) inline
static void update(State &state, const uint8_t c) {
switch (state) {
case EP_RESET:
switch (c) {
case ' ': break;
case 'N': state = EP_N; break;
case 'M': state = EP_M; break;
default: state = EP_IGNORE;
}
break;
case EP_N:
switch (c) {
case '0': case '1': case '2':
case '3': case '4': case '5':
case '6': case '7': case '8':
case '9': case '-': case ' ': break;
case 'M': state = EP_M; break;
default: state = EP_IGNORE;
}
break;
case EP_M:
switch (c) {
case ' ': break;
case '1': state = EP_M1; break;
case '4': state = EP_M4; break;
default: state = EP_IGNORE;
}
break;
case EP_M1:
switch (c) {
case '0': state = EP_M10; break;
case '1': state = EP_M11; break;
default: state = EP_IGNORE;
}
break;
case EP_M10:
state = (c == '8') ? EP_M108 : EP_IGNORE;
break;
case EP_M11:
state = (c == '2') ? EP_M112 : EP_IGNORE;
break;
case EP_M4:
state = (c == '1') ? EP_M41 : EP_IGNORE;
break;
case EP_M41:
state = (c == '0') ? EP_M410 : EP_IGNORE;
break;
case EP_IGNORE:
if (c == '\n') state = EP_RESET;
break;
default:
if (c == '\n') {
switch (state) {
case EP_M108:
wait_for_user = wait_for_heatup = false;
break;
case EP_M112:
killed_by_M112 = true;
break;
case EP_M410:
quickstop_stepper();
break;
default:
break;
}
state = EP_RESET;
}
}
}
};