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

Merge pull request #3267 from thinkyhead/rc_command_args_null_oooops 

Cleanup, simplification of command dispatcher code
pull/1/head
Scott Lahteine 9 years ago
parent
4b697938e6 0b8ef5eba6
commit
e0ab06cfae
3 changed files with 46 additions and 37 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. 3
      Marlin/Marlin.h
  2. 78
      Marlin/Marlin_main.cpp
  3. 2
      Marlin/macros.h

3
Marlin/Marlin.h
View File

@ -109,7 +109,6 @@ void serial_echopair_P(const char* s_P, float v);
void serial_echopair_P(const char* s_P, double v);
void serial_echopair_P(const char* s_P, unsigned long v);
// Things to write to serial from Program memory. Saves 400 to 2k of RAM.
FORCE_INLINE void serialprintPGM(const char* str) {
char ch;
@ -119,8 +118,6 @@ FORCE_INLINE void serialprintPGM(const char* str) {
}
}
void get_command();
void idle(
#if ENABLED(FILAMENTCHANGEENABLE)
bool no_stepper_sleep=false // pass true to keep steppers from disabling on timeout

78
Marlin/Marlin_main.cpp
View File

@ -462,6 +462,7 @@ static bool send_ok[BUFSIZE];
* ***************************************************************************
*/
void get_available_commands();
void process_next_command();
void plan_arc(float target[NUM_AXIS], float* offset, uint8_t clockwise);
@ -804,7 +805,7 @@ void setup() {
* - Call LCD update
*/
void loop() {
if (commands_in_queue < BUFSIZE) get_command();
if (commands_in_queue < BUFSIZE) get_available_commands();
#if ENABLED(SDSUPPORT)
card.checkautostart(false);
@ -856,24 +857,16 @@ void gcode_line_error(const char* err, bool doFlush = true) {
serial_count = 0;
}
/**
* Add to the circular command queue the next command from:
* - The command-injection queue (queued_commands_P)
* - The active serial input (usually USB)
* - The SD card file being actively printed
*/
void get_command() {
inline void get_serial_commands() {
static char serial_line_buffer[MAX_CMD_SIZE];
static boolean serial_comment_mode = false;
if (drain_queued_commands_P()) return; // priority is given to non-serial commands
// If the command buffer is empty for too long,
// send "wait" to indicate Marlin is still waiting.
#if defined(NO_TIMEOUTS) && NO_TIMEOUTS > 0
static millis_t last_command_time = 0;
millis_t ms = millis();
if (!MYSERIAL.available() && commands_in_queue == 0 && ms - last_command_time > NO_TIMEOUTS) {
if (commands_in_queue == 0 && !MYSERIAL.available() && ms > last_command_time + NO_TIMEOUTS) {
SERIAL_ECHOLNPGM(MSG_WAIT);
last_command_time = ms;
}
@ -893,7 +886,7 @@ void get_command() {
serial_comment_mode = false; // end of line == end of comment
if (!serial_count) return; // empty lines just exit
if (!serial_count) continue; // skip empty lines
serial_line_buffer[serial_count] = 0; // terminate string
serial_count = 0; //reset buffer
@ -978,7 +971,7 @@ void get_command() {
if (MYSERIAL.available() > 0) {
// if we have one more character, copy it over
serial_char = MYSERIAL.read();
serial_line_buffer[serial_count++] = serial_char;
if (!serial_comment_mode) serial_line_buffer[serial_count++] = serial_char;
}
// otherwise do nothing
}
@ -988,9 +981,11 @@ void get_command() {
}
} // queue has space, serial has data
}
#if ENABLED(SDSUPPORT)
#if ENABLED(SDSUPPORT)
inline void get_sdcard_commands() {
static bool stop_buffering = false,
sd_comment_mode = false;
@ -1050,8 +1045,26 @@ void get_command() {
if (!sd_comment_mode) command_queue[cmd_queue_index_w][sd_count++] = sd_char;
}
}
}
#endif // SDSUPPORT
/**
* Add to the circular command queue the next command from:
* - The command-injection queue (queued_commands_P)
* - The active serial input (usually USB)
* - The SD card file being actively printed
*/
void get_available_commands() {
// if any immediate commands remain, don't get other commands yet
if (drain_queued_commands_P()) return;
get_serial_commands();
#endif // SDSUPPORT
#if ENABLED(SDSUPPORT)
get_sdcard_commands();
#endif
}
bool code_has_value() {
@ -1060,7 +1073,7 @@ bool code_has_value() {
while (c == ' ') c = seen_pointer[++i];
if (c == '-' || c == '+') c = seen_pointer[++i];
if (c == '.') c = seen_pointer[++i];
return (c >= '0' && c <= '9');
return NUMERIC(c);
}
float code_value() {
@ -6066,9 +6079,9 @@ void process_next_command() {
// - Bypass N[-0-9][0-9]*[ ]*
// - Overwrite * with nul to mark the end
while (*current_command == ' ') ++current_command;
if (*current_command == 'N' && ((current_command[1] >= '0' && current_command[1] <= '9') || current_command[1] == '-')) {
if (*current_command == 'N' && NUMERIC_SIGNED(current_command[1])) {
current_command += 2; // skip N[-0-9]
while (*current_command >= '0' && *current_command <= '9') ++current_command; // skip [0-9]*
while (NUMERIC(*current_command)) ++current_command; // skip [0-9]*
while (*current_command == ' ') ++current_command; // skip [ ]*
}
char* starpos = strchr(current_command, '*'); // * should always be the last parameter
@ -6082,25 +6095,22 @@ void process_next_command() {
// Skip spaces to get the numeric part
while (*cmd_ptr == ' ') cmd_ptr++;
// The code must have a numeric value
bool code_is_good = false;
uint16_t codenum = 0; // define ahead of goto
int codenum = 0; // define ahead of goto
// Bail early if there's no code
bool code_is_good = NUMERIC(*cmd_ptr);
if (!code_is_good) goto ExitUnknownCommand;
// Get and skip the code number
while (*cmd_ptr >= '0' && *cmd_ptr <= '9') {
code_is_good = true;
codenum = codenum * 10 + *cmd_ptr - '0';
do {
codenum = (codenum * 10) + (*cmd_ptr - '0');
cmd_ptr++;
}
// Bail early if there's no code
if (!code_is_good) goto ExitUnknownCommand;
} while (NUMERIC(*cmd_ptr));
// Skip all spaces to get to the first argument
// Skip all spaces to get to the first argument, or nul
while (*cmd_ptr == ' ') cmd_ptr++;
// The command's arguments start here, for sure!
// The command's arguments (if any) start here, for sure!
current_command_args = cmd_ptr;
KEEPALIVE_STATE(IN_HANDLER);
@ -6668,7 +6678,7 @@ void ok_to_send() {
if (*p == 'N') {
SERIAL_PROTOCOL(' ');
SERIAL_ECHO(*p++);
while ((*p >= '0' && *p <= '9') || *p == '-')
while (NUMERIC_SIGNED(*p))
SERIAL_ECHO(*p++);
}
SERIAL_PROTOCOLPGM(" P"); SERIAL_PROTOCOL(int(BLOCK_BUFFER_SIZE - movesplanned() - 1));
@ -7365,7 +7375,7 @@ void manage_inactivity(bool ignore_stepper_queue/*=false*/) {
filrunout();
#endif
if (commands_in_queue < BUFSIZE) get_command();
if (commands_in_queue < BUFSIZE) get_available_commands();
millis_t ms = millis();

2
Marlin/macros.h
View File

@ -51,6 +51,8 @@
#define ENABLED(b) _CAT(SWITCH_ENABLED_, b)
#define DISABLED(b) (!_CAT(SWITCH_ENABLED_, b))
#define NUMERIC(a) ((a) >= '0' && '9' >= (a))
#define NUMERIC_SIGNED(a) (NUMERIC(a) || (a) == '-')
#define COUNT(a) (sizeof(a)/sizeof(*a))
#endif //__MACROS_H

Write Preview
Loading…
Cancel
Save