esp-idf/components/driver/test/include/test/test_adc_dac_dma.h
2020-12-01 10:58:50 +11:00

66 lines
2.0 KiB
C

// Copyright 2015-2020 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#pragma once
/* Common header for ESP32-S2 ADC/DAC tests */
/**
* SPI DMA type.
*/
typedef enum {
DMA_ONLY_ADC_INLINK = BIT(1), /*!<Select ADC-DMA config. */
DMA_ONLY_DAC_OUTLINK = BIT(2), /*!<Select DAC-DMA config. */
DMA_BOTH_ADC_DAC, /*!<Select DAC-DMA and ADC-DMA config. */
#define DMA_BOTH_ADC_DAC (DMA_ONLY_ADC_INLINK | DMA_ONLY_DAC_OUTLINK)
} spi_dma_link_type_t;
/**
* Register SPI-DMA interrupt handler.
*
* @param handler Handler.
* @param handler_arg Handler parameter.
* @param intr_mask DMA interrupt type mask.
*/
esp_err_t adc_dac_dma_isr_register(intr_handler_t handler, void* handler_arg, uint32_t intr_mask);
/**
* Deregister SPI-DMA interrupt handler.
*
* @param handler Handler.
* @param handler_arg Handler parameter.
*/
esp_err_t adc_dac_dma_isr_deregister(intr_handler_t handler, void* handler_arg);
/**
* Reset DMA linker pointer and start DMA.
*
* @param type DMA linker type. See ``spi_dma_link_type_t``.
* @param dma_addr DMA linker addr.
* @param int_msk DMA interrupt type mask.
*/
void adc_dac_dma_linker_start(spi_dma_link_type_t type, void *dma_addr, uint32_t int_msk);
/**
* Stop DMA.
*
* @param type DMA linker type. See ``spi_dma_link_type_t``.
*/
void adc_dac_dma_linker_stop(spi_dma_link_type_t type);
/**
* Deinit SPI3 DMA. Disable interrupt, stop DMA trans.
*/
void adc_dac_dma_linker_deinit(void);