110 lines
2.2 KiB
C++
110 lines
2.2 KiB
C++
/*
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* App.cpp
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*
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* Created on: Dec 16, 2018
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* Author: abody
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*/
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#include <stm32f1xx_ll_dma.h>
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#include <stm32f1xx_ll_gpio.h>
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#include "main.h"
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#include "dma.h"
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#include "spi.h"
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#include "gpio.h"
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#include <string.h>
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#include <stdlib.h>
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#include <cmsis_os2.h>
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#include <FreeRTOS.h>
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#include <timers.h>
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#include "Config.h"
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#include "WS28xxStrip.h"
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#include "Sparkle.h"
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WS28xxStrip<NUMPIXELS, SPIBUFFER_PIXELS> g_strip( { DEFAULT_COLOR } );
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Sparkle g_sparkles[NUMSPARKLES];
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/* Definitions for StripFeeder */
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#define STRIPFEEDER_STACK_SIZE 64
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StackType_t g_stripfeeder_stack[ STRIPFEEDER_STACK_SIZE ];
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StaticTask_t g_stripfeeder_control_block;
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inline uint16_t rr(uint16_t top)
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{
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return rand() % top;
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}
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uint16_t ChoosePixel()
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{
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#ifndef DBG_CHOSEN_PIXEL
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volatile uint16_t chosen;
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uint16_t spi;
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do {
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chosen = rr(NUMPIXELS);
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for(spi=0; spi<NUMSPARKLES; ++spi) {
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if(static_cast<pixel_t*>(g_sparkles[spi]) && static_cast<pixel_t*>(g_sparkles[spi]) == &g_strip[chosen])
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break;
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}
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} while(spi < NUMSPARKLES);
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return chosen;
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#else
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return DBG_CHOSEN_PIXEL;
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#endif // DBG_CHOSEN_PIXEL
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}
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void StartSparkle( Sparkle &s )
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{
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#ifndef DBG_CHOSEN_PIXEL
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s.Start(&g_strip[ChoosePixel()], rr(32), { 255,255,255 },
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{ static_cast<uint8_t>(rr(8)+3), static_cast<uint8_t>(rr(8)+3), static_cast<uint8_t>(rr(8)+3) });
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#else
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s.Start(g_pixels+ChoosePixel(), 0, { 255,255,255 }, { 1, 1, 1 });
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#endif
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}
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extern "C" void HandleSpiDmaIrq()
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{
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g_strip.SpiDmaIsr();
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}
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void TimerCallback( TimerHandle_t th )
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{
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LL_GPIO_TogglePin(GPIOC, LL_GPIO_PIN_13);
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for(int16_t pixel = 0; pixel < NUMSPARKLES; ++pixel) {
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if(static_cast<pixel_t*>(g_sparkles[pixel]))
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g_sparkles[pixel].Step();
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else
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StartSparkle(g_sparkles[pixel]);
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}
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g_strip.Update();
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}
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extern "C" void App()
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{
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TimerHandle_t th = NULL;
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StaticTimer_t tcb;
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xTaskCreateStatic(
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WS28xxStrip<NUMPIXELS, SPIBUFFER_PIXELS>::RefillTaskEntry,
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"RefillTask",
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STRIPFEEDER_STACK_SIZE,
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&g_strip,
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osPriorityRealtime,
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g_stripfeeder_stack,
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&g_stripfeeder_control_block);
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LL_SPI_Enable(SPI1);
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LL_SPI_EnableDMAReq_TX(SPI1);
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th = xTimerCreateStatic(nullptr, pdMS_TO_TICKS(20), pdTRUE, nullptr, TimerCallback, &tcb);
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xTimerStart(th, 0);
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while(1)
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{
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vTaskDelay(pdMS_TO_TICKS(100));
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}
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}
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