2 This file is part of Smoothie (http://smoothieware.org/). The motion control part is heavily based on Grbl (https://github.com/simen/grbl) with additions from Sungeun K. Jeon (https://github.com/chamnit/grbl)
3 Smoothie is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
4 Smoothie is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
5 You should have received a copy of the GNU General Public License along with Smoothie. If not, see <http://www.gnu.org/licenses/>.
11 #include "libs/nuts_bolts.h"
12 #include "libs/RingBuffer.h"
13 #include "../communication/utils/Gcode.h"
14 #include "libs/Module.h"
15 #include "libs/Kernel.h"
21 this->current_block
= NULL
;
22 this->looking_for_new_block
= false;
25 // Append a block to the list
26 Block
* Player::new_block(){
28 // Clean up the vector of commands in the block we are about to replace
29 // It is quite strange to do this here, we really should do it inside Block->pop_and_execute_gcode
30 // but that function is called inside an interrupt and thus can break everything if the interrupt was trigerred during a memory access
31 //Block* block = this->queue.get_ref( this->queue.size()-1 );
32 Block
* block
= this->queue
.get_ref( this->queue
.size() );
33 if( block
->player
== this ){
34 for(short index
=0; index
<block
->gcodes
.size(); index
++){
35 block
->gcodes
.pop_back();
37 //for(short index=0; index<block->commands.size(); index++){
38 // block->commands.pop_back();
39 // block->travel_distances.pop_back();
43 // Create a new virgin Block in the queue
44 this->queue
.push_back(Block());
45 block
= this->queue
.get_ref( this->queue
.size()-1 );
46 block
->is_ready
= false;
47 block
->initial_rate
= -2;
48 block
->final_rate
= -2;
54 // Used by blocks to signal when they are ready to be used by the system
55 void Player::new_block_added(){
56 //this->kernel->serial->printf("new block: %p\r\n", this->current_block);
58 //if( this->current_block == 0x00 || this->queue.size() == 0 ){
59 //this->kernel->serial->printf("f %p %d\r\n", this->current_block, this->queue.size() );
63 if( this->current_block
== NULL
){
64 this->pop_and_process_new_block(33);
68 // Process a new block in the queue
69 void Player::pop_and_process_new_block(int debug
){
70 if( this->looking_for_new_block
){ return; }
71 this->looking_for_new_block
= true;
73 if( this->current_block
!= NULL
){ this->looking_for_new_block
= false; return; }
75 // Return if queue is empty
76 if( this->queue
.size() == 0 ){
77 this->current_block
= NULL
;
78 // TODO : ON_QUEUE_EMPTY event
79 this->looking_for_new_block
= false;
84 this->current_block
= this->queue
.get_ref(0);
86 // Tell all modules about it
87 this->kernel
->call_event(ON_BLOCK_BEGIN
, this->current_block
);
89 // In case the module was not taken
90 if( this->current_block
->times_taken
< 1 ){
91 //this->kernel->serial->printf("e %p %d %d %d\r\n", this->current_block, this->queue.size(), this->current_block == 0x00, debug );
93 this->looking_for_new_block
= false;
94 this->current_block
->release();
97 this->looking_for_new_block
= false;