Merge pull request #3267 from thinkyhead/rc_command_args_null_oooops
Cleanup, simplification of command dispatcher code
This commit is contained in:
Scott Lahteine
commit
e0ab06cfae
@ -109,7 +109,6 @@ void serial_echopair_P(const char* s_P, float v);
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void serial_echopair_P(const char* s_P, double v);
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void serial_echopair_P(const char* s_P, unsigned long v);
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// Things to write to serial from Program memory. Saves 400 to 2k of RAM.
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FORCE_INLINE void serialprintPGM(const char* str) {
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char ch;
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@ -119,8 +118,6 @@ FORCE_INLINE void serialprintPGM(const char* str) {
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}
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}
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void get_command();
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void idle(
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#if ENABLED(FILAMENTCHANGEENABLE)
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bool no_stepper_sleep=false // pass true to keep steppers from disabling on timeout
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@ -462,6 +462,7 @@ static bool send_ok[BUFSIZE];
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* ***************************************************************************
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*/
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void get_available_commands();
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void process_next_command();
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void plan_arc(float target[NUM_AXIS], float* offset, uint8_t clockwise);
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@ -804,7 +805,7 @@ void setup() {
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* - Call LCD update
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*/
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void loop() {
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if (commands_in_queue < BUFSIZE) get_command();
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if (commands_in_queue < BUFSIZE) get_available_commands();
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#if ENABLED(SDSUPPORT)
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card.checkautostart(false);
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@ -856,24 +857,16 @@ void gcode_line_error(const char* err, bool doFlush = true) {
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serial_count = 0;
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}
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/**
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* Add to the circular command queue the next command from:
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* - The command-injection queue (queued_commands_P)
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* - The active serial input (usually USB)
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* - The SD card file being actively printed
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*/
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void get_command() {
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inline void get_serial_commands() {
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static char serial_line_buffer[MAX_CMD_SIZE];
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static boolean serial_comment_mode = false;
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if (drain_queued_commands_P()) return; // priority is given to non-serial commands
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// If the command buffer is empty for too long,
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// send "wait" to indicate Marlin is still waiting.
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#if defined(NO_TIMEOUTS) && NO_TIMEOUTS > 0
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static millis_t last_command_time = 0;
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millis_t ms = millis();
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if (!MYSERIAL.available() && commands_in_queue == 0 && ms - last_command_time > NO_TIMEOUTS) {
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if (commands_in_queue == 0 && !MYSERIAL.available() && ms > last_command_time + NO_TIMEOUTS) {
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SERIAL_ECHOLNPGM(MSG_WAIT);
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last_command_time = ms;
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}
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@ -893,7 +886,7 @@ void get_command() {
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serial_comment_mode = false; // end of line == end of comment
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if (!serial_count) return; // empty lines just exit
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if (!serial_count) continue; // skip empty lines
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serial_line_buffer[serial_count] = 0; // terminate string
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serial_count = 0; //reset buffer
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@ -978,7 +971,7 @@ void get_command() {
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if (MYSERIAL.available() > 0) {
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// if we have one more character, copy it over
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serial_char = MYSERIAL.read();
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serial_line_buffer[serial_count++] = serial_char;
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if (!serial_comment_mode) serial_line_buffer[serial_count++] = serial_char;
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}
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// otherwise do nothing
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}
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@ -988,9 +981,11 @@ void get_command() {
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}
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} // queue has space, serial has data
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}
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#if ENABLED(SDSUPPORT)
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inline void get_sdcard_commands() {
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static bool stop_buffering = false,
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sd_comment_mode = false;
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@ -1050,8 +1045,26 @@ void get_command() {
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if (!sd_comment_mode) command_queue[cmd_queue_index_w][sd_count++] = sd_char;
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}
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}
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}
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#endif // SDSUPPORT
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/**
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* Add to the circular command queue the next command from:
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* - The command-injection queue (queued_commands_P)
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* - The active serial input (usually USB)
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* - The SD card file being actively printed
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*/
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void get_available_commands() {
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// if any immediate commands remain, don't get other commands yet
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if (drain_queued_commands_P()) return;
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get_serial_commands();
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#if ENABLED(SDSUPPORT)
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get_sdcard_commands();
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#endif
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}
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bool code_has_value() {
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@ -1060,7 +1073,7 @@ bool code_has_value() {
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while (c == ' ') c = seen_pointer[++i];
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if (c == '-' || c == '+') c = seen_pointer[++i];
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if (c == '.') c = seen_pointer[++i];
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return (c >= '0' && c <= '9');
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return NUMERIC(c);
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}
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float code_value() {
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@ -6066,9 +6079,9 @@ void process_next_command() {
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// - Bypass N[-0-9][0-9]*[ ]*
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// - Overwrite * with nul to mark the end
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while (*current_command == ' ') ++current_command;
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if (*current_command == 'N' && ((current_command[1] >= '0' && current_command[1] <= '9') || current_command[1] == '-')) {
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if (*current_command == 'N' && NUMERIC_SIGNED(current_command[1])) {
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current_command += 2; // skip N[-0-9]
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while (*current_command >= '0' && *current_command <= '9') ++current_command; // skip [0-9]*
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while (NUMERIC(*current_command)) ++current_command; // skip [0-9]*
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while (*current_command == ' ') ++current_command; // skip [ ]*
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}
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char* starpos = strchr(current_command, '*'); // * should always be the last parameter
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@ -6082,25 +6095,22 @@ void process_next_command() {
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// Skip spaces to get the numeric part
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while (*cmd_ptr == ' ') cmd_ptr++;
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// The code must have a numeric value
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bool code_is_good = false;
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int codenum = 0; // define ahead of goto
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// Get and skip the code number
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while (*cmd_ptr >= '0' && *cmd_ptr <= '9') {
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code_is_good = true;
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codenum = codenum * 10 + *cmd_ptr - '0';
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cmd_ptr++;
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}
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uint16_t codenum = 0; // define ahead of goto
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// Bail early if there's no code
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bool code_is_good = NUMERIC(*cmd_ptr);
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if (!code_is_good) goto ExitUnknownCommand;
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// Skip all spaces to get to the first argument
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// Get and skip the code number
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do {
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codenum = (codenum * 10) + (*cmd_ptr - '0');
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cmd_ptr++;
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} while (NUMERIC(*cmd_ptr));
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// Skip all spaces to get to the first argument, or nul
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while (*cmd_ptr == ' ') cmd_ptr++;
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// The command's arguments start here, for sure!
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// The command's arguments (if any) start here, for sure!
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current_command_args = cmd_ptr;
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KEEPALIVE_STATE(IN_HANDLER);
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@ -6668,7 +6678,7 @@ void ok_to_send() {
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if (*p == 'N') {
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SERIAL_PROTOCOL(' ');
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SERIAL_ECHO(*p++);
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while ((*p >= '0' && *p <= '9') || *p == '-')
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while (NUMERIC_SIGNED(*p))
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SERIAL_ECHO(*p++);
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}
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SERIAL_PROTOCOLPGM(" P"); SERIAL_PROTOCOL(int(BLOCK_BUFFER_SIZE - movesplanned() - 1));
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@ -7365,7 +7375,7 @@ void manage_inactivity(bool ignore_stepper_queue/*=false*/) {
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filrunout();
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#endif
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if (commands_in_queue < BUFSIZE) get_command();
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if (commands_in_queue < BUFSIZE) get_available_commands();
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millis_t ms = millis();
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@ -51,6 +51,8 @@
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#define ENABLED(b) _CAT(SWITCH_ENABLED_, b)
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#define DISABLED(b) (!_CAT(SWITCH_ENABLED_, b))
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#define NUMERIC(a) ((a) >= '0' && '9' >= (a))
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#define NUMERIC_SIGNED(a) (NUMERIC(a) || (a) == '-')
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#define COUNT(a) (sizeof(a)/sizeof(*a))
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#endif //__MACROS_H
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