mirror of
https://github.com/espressif/esp-idf.git
synced 2025-09-01 06:27:29 +00:00
48 lines
1.5 KiB
C
48 lines
1.5 KiB
C
/*
|
|
* SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
#include "esp_private/spi_dma.h"
|
|
#include "hal/spi_ll.h"
|
|
|
|
#if !SOC_GDMA_SUPPORTED
|
|
void spi_dma_enable_burst(spi_dma_chan_handle_t chan_handle, bool data_burst, bool desc_burst)
|
|
{
|
|
spi_dma_dev_t *spi_dma = SPI_LL_GET_HW(chan_handle.host_id);
|
|
|
|
if (chan_handle.dir == DMA_CHANNEL_DIRECTION_TX) {
|
|
spi_dma_ll_tx_enable_burst_data(spi_dma, chan_handle.chan_id, data_burst);
|
|
spi_dma_ll_tx_enable_burst_desc(spi_dma, chan_handle.chan_id, desc_burst);
|
|
} else {
|
|
spi_dma_ll_rx_enable_burst_data(spi_dma, chan_handle.chan_id, data_burst);
|
|
spi_dma_ll_rx_enable_burst_desc(spi_dma, chan_handle.chan_id, desc_burst);
|
|
}
|
|
}
|
|
|
|
/************************************* IRAM CONTEXT **************************************/
|
|
|
|
void spi_dma_reset(spi_dma_chan_handle_t chan_handle)
|
|
{
|
|
spi_dma_dev_t *spi_dma = SPI_LL_GET_HW(chan_handle.host_id);
|
|
|
|
if (chan_handle.dir == DMA_CHANNEL_DIRECTION_TX) {
|
|
spi_dma_ll_tx_reset(spi_dma, chan_handle.chan_id);
|
|
} else {
|
|
spi_dma_ll_rx_reset(spi_dma, chan_handle.chan_id);
|
|
}
|
|
}
|
|
|
|
void spi_dma_start(spi_dma_chan_handle_t chan_handle, void *addr)
|
|
{
|
|
spi_dma_dev_t *spi_dma = SPI_LL_GET_HW(chan_handle.host_id);
|
|
|
|
if (chan_handle.dir == DMA_CHANNEL_DIRECTION_TX) {
|
|
spi_dma_ll_tx_start(spi_dma, chan_handle.chan_id, (lldesc_t *)addr);
|
|
} else {
|
|
spi_dma_ll_rx_start(spi_dma, chan_handle.chan_id, (lldesc_t *)addr);
|
|
}
|
|
}
|
|
#endif
|