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shakewake: Switch to more generic timekeeping

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Could be used for other motion-based algorithms in the future.
This commit is contained in:
Finlay Davidson
2023-03-05 15:19:52 +01:00
committed by Riku Isokoski
parent a43463762c
commit 76e79df375
2 changed files with 10 additions and 7 deletions
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8
src/components/motion/MotionController.cpp
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@@ -1,6 +1,5 @@
#include "components/motion/MotionController.h"
#include <FreeRTOS.h>
#include <task.h>
using namespace Pinetime::Controllers;
@@ -14,6 +13,9 @@ void MotionController::Update(int16_t x, int16_t y, int16_t z, uint32_t nbSteps)
service->OnNewMotionValues(x, y, z);
}
lastTime = time;
time = xTaskGetTickCount();
this->x = x;
lastY = this->y;
this->y = y;
@@ -50,10 +52,8 @@ bool MotionController::Should_RaiseWake(bool isSleeping) {
}
bool MotionController::ShouldShakeWake(uint16_t thresh) {
auto diff = xTaskGetTickCount() - lastShakeTime;
lastShakeTime = xTaskGetTickCount();
/* Currently Polling at 10hz, If this ever goes faster scalar and EMA might need adjusting */
int32_t speed = std::abs(z + (y / 2) + (x / 4) - lastY / 2 - lastZ) / diff * 100;
int32_t speed = std::abs(z + (y / 2) + (x / 4) - lastY / 2 - lastZ) / (time - lastTime) * 100;
//(.2 * speed) + ((1 - .2) * accumulatedSpeed);
// implemented without floats as .25Alpha
accumulatedSpeed = (speed / 5) + ((accumulatedSpeed / 5) * 4);