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Simplify emergency parser (only parse initial command)

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master
Scott Lahteine 8 years ago
parent 834ad14c8d
commit ea47803ae2
1 changed files with 39 additions and 103 deletions
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142
Marlin/MarlinSerial.cpp
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@ -325,12 +325,11 @@ MarlinSerial customizedSerial;
enum e_parser_state {
state_RESET,
state_N,
state_M,
state_M1,
state_M10,
state_M11,
state_M2,
state_M3,
state_M4,
state_M41,
state_IGNORE // to '\n'
@ -338,131 +337,68 @@ MarlinSerial customizedSerial;
static e_parser_state state = state_RESET;
if (c == '\n') state = state_IGNORE;
switch (state) {
case state_RESET:
switch (c) {
case 'M':
state = state_M;
break;
case ';':
state = state_IGNORE;
break;
default: state = state_RESET;
}
break;
case state_M:
switch (c) {
case '1':
state = state_M1;
break;
case '2':
state = state_M2;
break;
case '3':
state = state_M3;
break;
case '4':
state = state_M4;
break;
case ';':
state = state_IGNORE;
break;
default: state = state_RESET;
case ' ': break;
case 'N': state = state_N; break;
case 'M': state = state_M; break;
default: state = state_IGNORE;
}
break;
break;
case state_M1:
case state_N:
switch (c) {
case '0':
state = state_M10;
break;
case '1':
state = state_M11;
break;
case ';':
state = state_IGNORE;
break;
default: state = state_RESET;
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 = state_M; break;
default: state = state_IGNORE;
}
break;
break;
case state_M2:
case state_M:
switch (c) {
case '3': // M23
case '8': // M28
case ';':
state = state_IGNORE;
break;
default: state = state_RESET;
case ' ': break;
case '1': state = state_M1; break;
case '4': state = state_M4; break;
default: state = state_IGNORE;
}
break;
break;
case state_M3:
case state_M1:
switch (c) {
case '0': // M30
case '2': // M32
case '3': // M33
case ';':
state = state_IGNORE;
break;
default: state = state_RESET;
case '0': state = state_M10; break;
case '1': state = state_M11; break;
default: state = state_IGNORE;
}
break;
break;
case state_M10:
switch (c) {
case '8': // M108
{ state = state_RESET; wait_for_heatup = false; }
break;
case ';':
state = state_IGNORE;
break;
default: state = state_RESET;
}
break;
if (c == '8') wait_for_heatup = false; // M108
state = state_IGNORE;
break;
case state_M11:
switch (c) {
case '2': // M112
state = state_RESET; kill(PSTR(MSG_KILLED));
break;
case '7': // M117
case ';':
state = state_IGNORE;
break;
default: state = state_RESET;
}
break;
if (c == '2') kill(PSTR(MSG_KILLED)); // M112
state = state_IGNORE;
break;
case state_M4:
switch (c) {
case '1':
state = state_M41;
break;
case ';':
state = state_IGNORE;
break;
default: state = state_RESET;
}
break;
state = (c == '1') ? state_M41 : state_IGNORE;
break;
case state_M41:
switch (c) {
case '0':
state = state_RESET;
quickstop_stepper();
break;
case ';':
state = state_IGNORE;
break;
default: state = state_RESET;
}
break;
if (c == '0') quickstop_stepper(); // M410
state = state_IGNORE;
break;
case state_IGNORE:
if (c == '\n') state = state_RESET;
break;
break;
default:
state = state_RESET;

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