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Immediate commands take precedence

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This commit is contained in:
Scott Lahteine 2017-03-19 21:31:06 -05:00
parent 9b2b53f63a
commit 48c6284c91
2 changed files with 72 additions and 22 deletions
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92
Marlin/Marlin_main.cpp
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@ -789,8 +789,48 @@ extern "C" {
extern void digipot_i2c_init();
#endif
inline void echo_command(char * const cmd) {
SERIAL_ECHO_START;
SERIAL_ECHOPAIR(MSG_ENQUEUEING, cmd);
SERIAL_CHAR('"');
SERIAL_EOL;
}
/**
* Inject the next "immediate" command, when possible.
* Shove a command in RAM to the front of the main command queue.
* Return true if the command is successfully added.
*/
inline bool _shovecommand(const char* cmd, bool say_ok=false) {
if (*cmd == ';' || commands_in_queue >= BUFSIZE) return false;
cmd_queue_index_r = (cmd_queue_index_r + BUFSIZE - 1) % BUFSIZE; // Index of the previous slot
commands_in_queue++;
strcpy(command_queue[cmd_queue_index_r], cmd);
send_ok[cmd_queue_index_r] = say_ok;
return true;
}
/**
* Shove a command to the front of the queue with Serial Echo
* Return true if the command is successfully added.
*/
bool shove_and_echo_command(const char* cmd, bool say_ok=false) {
if (_shovecommand(cmd, say_ok)) {
echo_command(cmd);
return true;
}
return false;
}
/**
* Shove a command onto the front of the queue,
* and don't return until successful.
*/
void shove_and_echo_command_now(const char* cmd) {
while (!shove_and_echo_command(cmd)) idle();
}
/**
* Inject the next "immediate" command, when possible, onto the front of the queue.
* Return true if any immediate commands remain to inject.
*/
static bool drain_injected_commands_P() {
@ -801,14 +841,14 @@ static bool drain_injected_commands_P() {
cmd[sizeof(cmd) - 1] = '\0';
while ((c = cmd[i]) && c != '\n') i++; // find the end of this gcode command
cmd[i] = '\0';
if (enqueue_and_echo_command(cmd)) { // success?
if (shove_and_echo_command(cmd)) { // success?
if (c) // newline char?
injected_commands_P += i + 1; // advance to the next command
injected_commands_P += i + 1; // advance to the next command
else
injected_commands_P = NULL; // nul char? no more commands
injected_commands_P = NULL; // nul char? no more commands
}
}
return (injected_commands_P != NULL); // return whether any more remain
return (injected_commands_P != NULL); // return whether any more remain
}
/**
@ -821,6 +861,9 @@ void enqueue_and_echo_commands_P(const char* pgcode) {
drain_injected_commands_P(); // first command executed asap (when possible)
}
/**
* Clear the Marlin command queue
*/
void clear_command_queue() {
cmd_queue_index_r = cmd_queue_index_w;
commands_in_queue = 0;
@ -836,8 +879,9 @@ inline void _commit_command(bool say_ok) {
}
/**
* Copy a command directly into the main command buffer, from RAM.
* Returns true if successfully adds the command
* Copy a command from RAM into the main command buffer.
* Return true if the command was successfully added.
* Return false for a full buffer, or if the 'command' is a comment.
*/
inline bool _enqueuecommand(const char* cmd, bool say_ok=false) {
if (*cmd == ';' || commands_in_queue >= BUFSIZE) return false;
@ -846,24 +890,21 @@ inline bool _enqueuecommand(const char* cmd, bool say_ok=false) {
return true;
}
void enqueue_and_echo_command_now(const char* cmd) {
while (!enqueue_and_echo_command(cmd)) idle();
}
/**
* Enqueue with Serial Echo
*/
bool enqueue_and_echo_command(const char* cmd, bool say_ok/*=false*/) {
if (_enqueuecommand(cmd, say_ok)) {
SERIAL_ECHO_START;
SERIAL_ECHOPAIR(MSG_Enqueueing, cmd);
SERIAL_CHAR('"');
SERIAL_EOL;
echo_command(cmd);
return true;
}
return false;
}
void enqueue_and_echo_command_now(const char* cmd) {
while (!enqueue_and_echo_command(cmd)) idle();
}
void setup_killpin() {
#if HAS_KILL
SET_INPUT_PULLUP(KILL_PIN);
@ -882,7 +923,6 @@ void setup_killpin() {
#endif
// Set home pin
void setup_homepin(void) {
#if HAS_HOME
SET_INPUT_PULLUP(HOME_PIN);
@ -971,6 +1011,11 @@ void gcode_line_error(const char* err, bool doFlush = true) {
serial_count = 0;
}
/**
* Get all commands waiting on the serial port and queue them.
* Exit when the buffer is full or when no more characters are
* left on the serial port.
*/
inline void get_serial_commands() {
static char serial_line_buffer[MAX_CMD_SIZE];
static bool serial_comment_mode = false;
@ -1108,6 +1153,11 @@ inline void get_serial_commands() {
#if ENABLED(SDSUPPORT)
/**
* Get commands from the SD Card until the command buffer is full
* or until the end of the file is reached. The special character '#'
* can also interrupt buffering.
*/
inline void get_sdcard_commands() {
static bool stop_buffering = false,
sd_comment_mode = false;
@ -1126,7 +1176,7 @@ inline void get_serial_commands() {
uint16_t sd_count = 0;
bool card_eof = card.eof();
while (commands_in_queue < BUFSIZE && !card_eof && !stop_buffering) {
int16_t n = card.get();
const int16_t n = card.get();
char sd_char = (char)n;
card_eof = card.eof();
if (card_eof || n == -1
@ -1144,12 +1194,12 @@ inline void get_serial_commands() {
}
if (sd_char == '#') stop_buffering = true;
sd_comment_mode = false; //for new command
sd_comment_mode = false; // for new command
if (!sd_count) continue; //skip empty lines
if (!sd_count) continue; // skip empty lines (and comment lines)
command_queue[cmd_queue_index_w][sd_count] = '\0'; //terminate string
sd_count = 0; //clear buffer
command_queue[cmd_queue_index_w][sd_count] = '\0'; // terminate string
sd_count = 0; // clear sd line buffer
_commit_command(false);
}

2
Marlin/language.h
View File

@ -108,7 +108,7 @@
// Serial Console Messages (do not translate those!)
#define MSG_Enqueueing "enqueueing \""
#define MSG_ENQUEUEING "enqueueing \""
#define MSG_POWERUP "PowerUp"
#define MSG_EXTERNAL_RESET " External Reset"
#define MSG_BROWNOUT_RESET " Brown out Reset"