Fragmenty kodu:
[syntax=c]void DCMI_init(void)
{
__HAL_RCC_DCMI_CLK_ENABLE();
DCMI->CR |= (DCMI_CR_CM | DCMI_CR_VSPOL );
}
void DCMI_DMA_init(void)
{
__HAL_RCC_DMA2_CLK_ENABLE();
DMA2_Stream1->CR = 0;
DMA2_Stream1->CR |=( DMA_SxCR_CHSEL_0 | DMA_SxCR_PINCOS | DMA_SxCR_MSIZE_1 | DMA_SxCR_PSIZE_1 | DMA_SxCR_MINC | DMA_SxCR_TCIE);
}
void DCMI_IRQHandler(void)
{
if((DCMI->MISR & DCMI_MISR_FRAME_MIS) != RESET)
{
DCMI->ICR |= DCMI_ICR_FRAME_ISC;
DMA2_Stream1->CR &= ~DMA_SxCR_EN;// disable DMA
DMA2_Stream1->CR |=( DMA_SxCR_CHSEL_0 | DMA_SxCR_PINCOS | DMA_SxCR_MSIZE_1 | DMA_SxCR_PSIZE_1 | DMA_SxCR_MINC | DMA_SxCR_TCIE);
DMA2_Stream1->M0AR = (uint32_t)&image_buf;
DMA2_Stream1->PAR = (uint32_t) &DCMI->DR;
DMA2_Stream1->NDTR = 9600;
DMA2_Stream1->CR |= DMA_SxCR_EN;
dma_flag = 0;
}
}[/syntax]Statystyki: Napisane przez popeye_89 — 13 wrz 2017, o 11:17
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