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buffer_line can calculate while it's waiting

Scott Lahteine 8 years ago
parent
commit
c7f22f688f
1 changed files with 7 additions and 6 deletions
  1. 7
    6
      Marlin/planner.cpp

+ 7
- 6
Marlin/planner.cpp View File

@@ -594,12 +594,6 @@ void Planner::check_axes_activity() {
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  *  extruder    - target extruder
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  */
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 void Planner::_buffer_line(const float &a, const float &b, const float &c, const float &e, float fr_mm_s, const uint8_t extruder) {
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-  // Calculate the buffer head after we push this byte
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-  int next_buffer_head = next_block_index(block_buffer_head);
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-
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-  // If the buffer is full: good! That means we are well ahead of the robot.
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-  // Rest here until there is room in the buffer.
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-  while (block_buffer_tail == next_buffer_head) idle();
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   // The target position of the tool in absolute steps
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   // Calculate target position in absolute steps
@@ -662,6 +656,13 @@ void Planner::_buffer_line(const float &a, const float &b, const float &c, const
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     }
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   #endif
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+  // Calculate the buffer head after we push this byte
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+  int next_buffer_head = next_block_index(block_buffer_head);
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+
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+  // If the buffer is full: good! That means we are well ahead of the robot.
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+  // Rest here until there is room in the buffer.
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+  while (block_buffer_tail == next_buffer_head) idle();
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+
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   // Prepare to set up new block
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   block_t* block = &block_buffer[block_buffer_head];
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