Esempi in C++ (Cpp) per usart_disable_tx_dma

Esempio n. 1

File: stm32f0_wrapper.c Progetto: joostrijneveld/STM32-getting-started

// for the STM32F0, interrupts for DMA_CH4 and DMA_CH5 are combined
void dma1_channel4_5_isr(void) {
    usart_disable_tx_dma(USART2);
    usart_disable_rx_dma(USART2);
    dma_clear_interrupt_flags(DMA1, DMA_CHANNEL4, DMA_TCIF);
    dma_clear_interrupt_flags(DMA1, DMA_CHANNEL5, DMA_TCIF);
    dma_disable_channel(DMA1, DMA_CHANNEL4);
    dma_disable_channel(DMA1, DMA_CHANNEL5);
}

Esempio n. 2

File: main.c Progetto: Mechelix/btstack

// DMA1_CHANNEL2 UART3_TX
void dma1_channel2_isr(void) {
	if ((DMA1_ISR & DMA_ISR_TCIF2) != 0) {
		DMA1_IFCR |= DMA_IFCR_CTCIF2;
		dma_disable_transfer_complete_interrupt(DMA1, DMA_CHANNEL2);
		usart_disable_tx_dma(USART3);
		dma_disable_channel(DMA1, DMA_CHANNEL2);
		(*tx_done_handler)();
	}
}

Esempio n. 3

File: uart.c Progetto: F-D-R/deviation

void _USART_DMA_ISR(void)
{
    DMA_IFCR(_USART_DMA) |= DMA_IFCR_CTCIF(_USART_DMA_CHANNEL);

    dma_disable_transfer_complete_interrupt(_USART_DMA, _USART_DMA_CHANNEL);
    usart_disable_tx_dma(_USART);
    dma_disable_channel(_USART_DMA, _USART_DMA_CHANNEL);

    busy = 0;
}

Esempio n. 4

File: usart_tx.c Progetto: RoboBil/piksi_firmware

/** Disable USART TX DMA.
 * \param s The USART DMA state structure.
 */
void usart_tx_dma_disable(usart_tx_dma_state* s)
{
    /* Disable DMA stream interrupts with the NVIC. */
    if (s->dma == DMA1)
        nvicDisableVector(dma_irq_lookup[0][s->stream]);
    else if (s->dma == DMA2)
        nvicDisableVector(dma_irq_lookup[1][s->stream]);

    /* Disable DMA stream. */
    DMA_SCR(s->dma, s->stream) &= ~DMA_SxCR_EN;
    while (DMA_SCR(s->dma, s->stream) & DMA_SxCR_EN) ;

    /* Disable RX DMA on the USART. */
    usart_disable_tx_dma(s->usart);
}