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⚡️ Buffer Runtime for FT Motion (#28327)

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This commit is contained in:
David Buezas
2026-02-08 21:19:14 +01:00
committed by GitHub
parent 4eea9e5d7b
commit e524a98418
2 changed files with 20 additions and 1 deletions
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14
Marlin/src/lcd/marlinui.cpp
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@@ -337,6 +337,9 @@ void MarlinUI::init() {
#include "lcdprint.h"
#include "../module/planner.h"
#if ENABLED(FT_MOTION)
#include "../module/ft_motion.h"
#endif
#include "../module/motion.h"
#if HAS_MARLINUI_MENU
@@ -1161,8 +1164,17 @@ void MarlinUI::init() {
}
if (lcd_update_ms_elapsed || drawing_screen) {
const auto buffer_runtime = [&]() -> uint16_t {
#if ENABLED(FT_MOTION)
// In ftmotion, the isr only looks at the stepping buffer and the planner buffer is
// consumed from the idle loop.
if (ftMotion.cfg.active) return ftMotion.stepping.buffer_runtime();
#endif
return planner.block_buffer_runtime();
};
// Then we want to use only 50% of the time
const uint16_t bbr2 = planner.block_buffer_runtime() >> 1;
const uint16_t bbr2 = buffer_runtime() >> 1;
if ((should_draw() || drawing_screen) && (!bbr2 || bbr2 > max_display_update_time)) {

7
Marlin/src/module/ft_motion/stepping.h
View File

@@ -251,4 +251,11 @@ typedef struct Stepping {
return ((stepper_plan_head + 1) & FTM_BUFFER_MASK) == stepper_plan_tail;
}
// Buffer runtime in milliseconds (ignoring ticks left in current frame)
FORCE_INLINE uint16_t buffer_runtime() const {
const uint32_t queued_frames = (stepper_plan_head - stepper_plan_tail) & FTM_BUFFER_MASK;
const uint32_t queued_ms = queued_frames * (1000UL * FTM_TS);
return queued_ms;
}
} stepping_t;