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Code Issues Wiki Activity

Re-design DMA driver

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This commit is contained in:
Evgeny Sychov 2016-07-01 01:53:45 -07:00
parent 1c1dff4b12
commit 2d070a3507
16 changed files with 299 additions and 394 deletions
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17
src/main/drivers/light_ws2811strip_stm32f30x.c
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@ -22,6 +22,7 @@
#include "gpio.h"
#include "nvic.h"
#include "dma.h"
#include "common/color.h"
#include "drivers/light_ws2811strip.h"
@ -41,6 +42,14 @@
#endif
static void WS2811_DMA_IRQHandler(dmaChannelDescriptor_t *descriptor) {
if (DMA_GET_FLAG_STATUS(descriptor, DMA_IT_TCIF)) {
ws2811LedDataTransferInProgress = 0;
DMA_Cmd(descriptor->channel, DISABLE);
DMA_CLEAR_FLAG(descriptor, DMA_IT_TCIF);
}
}
void ws2811LedStripHardwareInit(void)
{
TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
@ -114,13 +123,7 @@ void ws2811LedStripHardwareInit(void)
DMA_ITConfig(WS2811_DMA_CHANNEL, DMA_IT_TC, ENABLE);
NVIC_InitTypeDef NVIC_InitStructure;
NVIC_InitStructure.NVIC_IRQChannel = WS2811_IRQ;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = NVIC_PRIORITY_BASE(NVIC_PRIO_WS2811_DMA);
NVIC_InitStructure.NVIC_IRQChannelSubPriority = NVIC_PRIORITY_SUB(NVIC_PRIO_WS2811_DMA);
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
dmaSetHandler(WS2811_DMA_HANDLER_IDENTIFER, WS2811_DMA_IRQHandler, NVIC_PRIO_WS2811_DMA, 0);
setStripColor(&hsv_white);
ws2811UpdateStrip();