playground-stm32/neopixel_f103_mvp
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Alternating buffers for DMA (works only with optimization)

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This commit is contained in:
Attila Body 2020-12-01 14:35:47 +01:00
parent fe332dea5d
commit 731bba0f0e
8 changed files with 106 additions and 40 deletions
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11
App/Sparkle.cpp
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@ -14,16 +14,22 @@ Sparkle::Sparkle()
Sparkle::~Sparkle() {
}
void Sparkle::Start(Pixel_t *target, Pixel_t color, Pixel_t fadeSpeed)
void Sparkle::Start(pixel_t *target, uint8_t delay, pixel_t color, pixel_t fadeSpeed)
{
m_target = target;
*target = color;
m_delay = delay;
m_fadeSpeed = fadeSpeed;
}
bool Sparkle::Step()
{
Pixel_t current = *m_target;
if(m_delay) {
--m_delay;
return true;
}
pixel_t current = *m_target;
uint8_t remaining = 3;
if(current.r > m_fadeSpeed.r )current.r -= m_fadeSpeed.r;
@ -48,5 +54,4 @@ bool Sparkle::Step()
if(remaining) return true;
m_target = nullptr;
return false;
}