playground-stm32/neopixel_f103_mvp
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V0.99

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This commit is contained in:
Attila BODY 2018-12-16 21:47:18 +01:00
parent 8eb06c8eab
commit 7abafe7c8c
3 changed files with 98 additions and 96 deletions
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58
App/App.cpp
View file

@ -12,10 +12,14 @@
#include "gpio.h"
#include <string.h>
#include <stdlib.h>
#include "Pixel.h"
#include "LedBuffers.h"
#include "Sparkle.h"
#define NUMSPARKLES 10
Sparkle g_s[NUMSPARKLES];
void convert(uint8_t *src, uint8_t *dst, uint16_t size)
{
static uint8_t const bits[4] = { 0b10001000, 0b10001110, 0b11101000, 0b11101110 };
@ -30,6 +34,31 @@ void convert(uint8_t *src, uint8_t *dst, uint16_t size)
}
}
inline uint16_t rr(uint16_t top)
{
return rand() % top;
}
uint16_t ChoosePixel()
{
volatile uint16_t chosen;
uint16_t spi;
do {
chosen = rr(NUMPIXELS);
for(spi=0; spi<NUMSPARKLES; ++spi) {
if(static_cast<Pixel_t*>(g_s[spi]) && static_cast<Pixel_t*>(g_s[spi]) == &g_pixels[chosen])
break;
}
} while(spi < NUMSPARKLES);
return chosen;
}
void StartSparkle( Sparkle &s )
{
s.Start(g_pixels+ChoosePixel(), Pixel(255,255,255), Pixel(rr(5)+1,rr(5)+1,rr(5)+1));
}
extern "C" void App()
{
g_ledBits[sizeof(g_ledBits)-1] = 0;
@ -38,25 +67,16 @@ extern "C" void App()
while(1)
{
Sparkle s;
Pixel_t color = {0xff, 0xff, 0xff};
Pixel_t fadeSpeed = {1,2,3};
for(uint16_t idx=0; idx < NUMPIXELS; idx++)
{
s.Start(&g_pixels[idx], color, fadeSpeed);
convert((uint8_t*)g_pixels, g_ledBits, sizeof(g_pixels));
HAL_SPI_Transmit_DMA(&hspi1, g_ledBits, sizeof(g_ledBits));
while(!g_done);
HAL_Delay(1);
do {
s.Step();
convert((uint8_t*)g_pixels, g_ledBits, sizeof(g_pixels));
HAL_SPI_Transmit_DMA(&hspi1, g_ledBits, sizeof(g_ledBits));
while(!g_done);
HAL_Delay(1);
} while( static_cast<Pixel_t*>( s ));
for(int16_t spi = 0; spi < NUMSPARKLES; ++spi) {
if(static_cast<Pixel_t*>(g_s[spi]))
g_s[spi].Step();
else
StartSparkle(g_s[spi]);
}
convert((uint8_t*)g_pixels, g_ledBits, sizeof(g_pixels));
HAL_SPI_Transmit_DMA(&hspi1, g_ledBits, sizeof(g_ledBits));
while(!g_done);
HAL_Delay(5);
}
}

10
App/Pixel.h
View file

@ -24,4 +24,14 @@ typedef struct {
}
#endif
#ifdef __cplusplus
struct Pixel : public Pixel_t {
Pixel(uint8_t _r, uint8_t _g, uint8_t _b) {
g =_g;
r = _r;
b = _b;
}
};
#endif
#endif /* PIXEL_H_ */