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PFW-1504 Minor optimisation 

Change in memory:
Flash: -4 bytes
SRAM: 0 bytes
This commit is contained in:
Guðni Már Gilbert 2023-03-12 16:05:35 +00:00 committed by DRracer
parent 42878341af
commit ebf94c572f
1 changed files with 3 additions and 2 deletions
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5
Firmware/mmu2.cpp
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@ -248,7 +248,8 @@ bool MMU2::VerifyFilamentEnteredPTFE() {
// The total length is twice delta_mm. Divide that length by number of pixels
// available to get length per pixel.
const float mm_per_pixel = (2 * (delta_mm)) / LCD_WIDTH;
// Note: Below is the reciprocal of (2 * delta_mm) / LCD_WIDTH [mm/pixel]
const float pixel_per_mm = 0.5f * float(LCD_WIDTH) / (delta_mm);
TryLoadUnloadProgressbarInit();
@ -287,7 +288,7 @@ bool MMU2::VerifyFilamentEnteredPTFE() {
fsensorState |= fsensorStateLCD; // No need to do the above comparison twice, just bitwise OR
// Always round up, you can only have 'whole' pixels. (floor is also an option)
dpixel1 = ceil((stepper_get_machine_position_E_mm() - planner_get_current_position_E()) / mm_per_pixel);
dpixel1 = ceil((stepper_get_machine_position_E_mm() - planner_get_current_position_E()) * pixel_per_mm);
if (dpixel1 - dpixel0) {
dpixel0 = dpixel1;
if (lcd_cursor_col > (LCD_WIDTH - 1)) lcd_cursor_col = LCD_WIDTH - 1;