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294 lines
7.3 KiB
C
294 lines
7.3 KiB
C
// Copyright 2015-2019 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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/*******************************************************************************
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* NOTICE
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* The hal is not public api, don't use in application code.
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* See readme.md in soc/include/hal/readme.md
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******************************************************************************/
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// The HAL layer for I2S.
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// There is no parameter check in the hal layer, so the caller must ensure the correctness of the parameters.
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#pragma once
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#include "soc/i2s_periph.h"
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#include "soc/i2s_caps.h"
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#include "hal/i2s_ll.h"
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#include "hal/i2s_types.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* Context that should be maintained by both the driver and the HAL
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*/
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typedef struct {
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i2s_dev_t *dev;
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uint32_t version;
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} i2s_hal_context_t;
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/**
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* @brief Get I2S interrupt status
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*
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* @param hal Context of the HAL layer
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* @param status interrupt status
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*/
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#define i2s_hal_get_intr_status(hal, status) i2s_ll_get_intr_status((hal)->dev, status)
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/**
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* @brief Clear I2S interrupt status
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*
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* @param hal Context of the HAL layer
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* @param mask interrupt status mask
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*/
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#define i2s_hal_clear_intr_status(hal, mask) i2s_ll_clear_intr_status((hal)->dev, mask)
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/**
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* @brief Get I2S out eof des address
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*
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* @param hal Context of the HAL layer
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* @param addr out eof des address
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*/
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#define i2s_hal_get_out_eof_des_addr(hal, addr) i2s_ll_get_out_eof_des_addr((hal)->dev, addr)
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/**
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* @brief Get I2S in eof des address
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*
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* @param hal Context of the HAL layer
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* @param addr in eof des address
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*/
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#define i2s_hal_get_in_eof_des_addr(hal, addr) i2s_ll_get_in_eof_des_addr((hal)->dev, addr)
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/**
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* @brief Enable I2S rx interrupt
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*
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* @param hal Context of the HAL layer
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*/
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#define i2s_hal_enable_rx_intr(hal) i2s_ll_enable_rx_intr((hal)->dev)
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/**
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* @brief Disable I2S rx interrupt
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*
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* @param hal Context of the HAL layer
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*/
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#define i2s_hal_disable_rx_intr(hal) i2s_ll_disable_rx_intr((hal)->dev)
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/**
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* @brief Disable I2S tx interrupt
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*
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* @param hal Context of the HAL layer
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*/
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#define i2s_hal_disable_tx_intr(hal) i2s_ll_disable_tx_intr((hal)->dev)
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/**
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* @brief Enable I2S tx interrupt
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*
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* @param hal Context of the HAL layer
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*/
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#define i2s_hal_enable_tx_intr(hal) i2s_ll_enable_tx_intr((hal)->dev)
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/**
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* @brief Set I2S tx mode
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*
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* @param hal Context of the HAL layer
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* @param ch i2s channel
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* @param bits bits per sample
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*/
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void i2s_hal_set_tx_mode(i2s_hal_context_t *hal, i2s_channel_t ch, i2s_bits_per_sample_t bits);
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/**
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* @brief Set I2S rx mode
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*
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* @param hal Context of the HAL layer
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* @param ch i2s channel
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* @param bits bits per sample
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*/
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void i2s_hal_set_rx_mode(i2s_hal_context_t *hal, i2s_channel_t ch, i2s_bits_per_sample_t bits);
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/**
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* @brief Set I2S out link address
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*
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* @param hal Context of the HAL layer
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* @param addr out link address
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*/
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#define i2s_hal_set_out_link_addr(hal, addr) i2s_ll_set_out_link_addr((hal)->dev, addr)
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/**
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* @brief Set I2S out link address
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*
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* @param hal Context of the HAL layer
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* @param addr out link address
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*/
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#define i2s_hal_set_out_link_addr(hal, addr) i2s_ll_set_out_link_addr((hal)->dev, addr)
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/**
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* @brief Set I2S out link address
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*
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* @param hal Context of the HAL layer
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* @param addr out link address
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*/
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#define i2s_hal_set_out_link_addr(hal, addr) i2s_ll_set_out_link_addr((hal)->dev, addr)
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/**
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* @brief Set I2S in link
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*
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* @param hal Context of the HAL layer
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* @param rx_eof_num in link eof num
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* @param addr in link address
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*/
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void i2s_hal_set_in_link(i2s_hal_context_t *hal, uint32_t rx_eof_num, uint32_t addr);
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#if SOC_I2S_SUPPORTS_PDM
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/**
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* @brief Get I2S tx pdm
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*
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* @param hal Context of the HAL layer
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* @param fp tx pdm fp
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* @param fs tx pdm fs
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*/
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void i2s_hal_get_tx_pdm(i2s_hal_context_t *hal, int *fp, int *fs);
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#endif
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/**
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* @brief Get I2S rx sinc dsr 16 en
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*
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* @param hal Context of the HAL layer
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* @param en 0: disable, 1: enable
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*/
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#define i2s_hal_get_rx_sinc_dsr_16_en(hal, en) i2s_ll_get_rx_sinc_dsr_16_en((hal)->dev, en)
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/**
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* @brief Set I2S clk div
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*
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* @param hal Context of the HAL layer
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* @param div_num i2s clkm div num
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* @param div_a i2s clkm div a
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* @param div_b i2s clkm div b
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* @param tx_bck_div tx bck div num
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* @param rx_bck_div rx bck div num
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*/
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void i2s_hal_set_clk_div(i2s_hal_context_t *hal, int div_num, int div_a, int div_b, int tx_bck_div, int rx_bck_div);
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/**
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* @brief Set I2S clock sel
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*
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* @param hal Context of the HAL layer
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* @param sel clock sel
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*/
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#define i2s_hal_set_clock_sel(hal, sel) i2s_ll_set_clk_sel((hal)->dev, sel)
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/**
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* @brief Set I2S tx bits mod
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*
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* @param hal Context of the HAL layer
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* @param bits bit width per sample.
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*/
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void i2s_hal_set_tx_bits_mod(i2s_hal_context_t *hal, i2s_bits_per_sample_t bits);
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/**
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* @brief Set I2S rx bits mod
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*
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* @param hal Context of the HAL layer
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* @param bits bit width per sample.
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*/
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void i2s_hal_set_rx_bits_mod(i2s_hal_context_t *hal, i2s_bits_per_sample_t bits);
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/**
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* @brief Reset I2S TX & RX module, including DMA and FIFO
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*
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* @param hal Context of the HAL layer
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*/
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void i2s_hal_reset(i2s_hal_context_t *hal);
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/**
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* @brief Start I2S tx
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*
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* @param hal Context of the HAL layer
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*/
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void i2s_hal_start_tx(i2s_hal_context_t *hal);
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/**
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* @brief Start I2S rx
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*
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* @param hal Context of the HAL layer
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*/
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void i2s_hal_start_rx(i2s_hal_context_t *hal);
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/**
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* @brief Stop I2S tx
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*
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* @param hal Context of the HAL layer
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*/
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void i2s_hal_stop_tx(i2s_hal_context_t *hal);
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/**
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* @brief Stop I2S rx
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*
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* @param hal Context of the HAL layer
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*/
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void i2s_hal_stop_rx(i2s_hal_context_t *hal);
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#if SOC_I2S_SUPPORTS_PDM
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/**
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* @brief Set I2S pdm rx down sample
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*
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* @param hal Context of the HAL layer
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* @param dsr 0:disable, 1: enable
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*/
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#define i2s_hal_set_pdm_rx_down_sample(hal, dsr) i2s_ll_set_rx_sinc_dsr_16_en((hal)->dev, dsr)
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#endif
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/**
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* @brief Config I2S param
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*
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* @param hal Context of the HAL layer
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* @param i2s_config I2S configurations - see i2s_config_t struct
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*/
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void i2s_hal_config_param(i2s_hal_context_t *hal, const i2s_config_t *i2s_config);
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/**
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* @brief Enable I2S sig loopback
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*
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* @param hal Context of the HAL layer
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*/
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#define i2s_hal_enable_sig_loopback(hal) i2s_ll_set_sig_loopback((hal)->dev, 1)
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/**
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* @brief Enable I2S master mode
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*
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* @param hal Context of the HAL layer
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*/
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void i2s_hal_enable_master_mode(i2s_hal_context_t *hal);
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/**
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* @brief Enable I2S slave mode
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*
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* @param hal Context of the HAL layer
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*/
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void i2s_hal_enable_slave_mode(i2s_hal_context_t *hal);
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/**
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* @brief Init the I2S hal and set the I2S to the default configuration. This function should be called first before other hal layer function is called
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*
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* @param hal Context of the HAL layer
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* @param i2s_num The uart port number, the max port number is (I2S_NUM_MAX -1)
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*/
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void i2s_hal_init(i2s_hal_context_t *hal, int i2s_num);
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#ifdef __cplusplus
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}
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#endif
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