// Copyright 2015-2019 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. /******************************************************************************* * NOTICE * The hal is not public api, don't use in application code. * See readme.md in soc/include/hal/readme.md ******************************************************************************/ // The HAL layer for I2S. // There is no parameter check in the hal layer, so the caller must ensure the correctness of the parameters. #pragma once #include "soc/i2s_periph.h" #include "soc/i2s_caps.h" #include "hal/i2s_ll.h" #include "hal/i2s_types.h" #ifdef __cplusplus extern "C" { #endif /** * Context that should be maintained by both the driver and the HAL */ typedef struct { i2s_dev_t *dev; uint32_t version; } i2s_hal_context_t; /** * @brief Reset I2S fifo * * @param hal Context of the HAL layer */ void i2s_hal_reset_fifo(i2s_hal_context_t *hal); /** * @brief Get I2S interrupt status * * @param hal Context of the HAL layer * @param status interrupt status */ #define i2s_hal_get_intr_status(hal, status) i2s_ll_get_intr_status((hal)->dev, status) /** * @brief Clear I2S interrupt status * * @param hal Context of the HAL layer * @param mask interrupt status mask */ #define i2s_hal_clear_intr_status(hal, mask) i2s_ll_clear_intr_status((hal)->dev, mask) /** * @brief Get I2S out eof des address * * @param hal Context of the HAL layer * @param addr out eof des address */ #define i2s_hal_get_out_eof_des_addr(hal, addr) i2s_ll_get_out_eof_des_addr((hal)->dev, addr) /** * @brief Get I2S in eof des address * * @param hal Context of the HAL layer * @param addr in eof des address */ #define i2s_hal_get_in_eof_des_addr(hal, addr) i2s_ll_get_in_eof_des_addr((hal)->dev, addr) /** * @brief Enable I2S rx interrupt * * @param hal Context of the HAL layer */ #define i2s_hal_enable_rx_intr(hal) i2s_ll_enable_rx_intr((hal)->dev) /** * @brief Disable I2S rx interrupt * * @param hal Context of the HAL layer */ #define i2s_hal_disable_rx_intr(hal) i2s_ll_disable_rx_intr((hal)->dev) /** * @brief Disable I2S tx interrupt * * @param hal Context of the HAL layer */ #define i2s_hal_disable_tx_intr(hal) i2s_ll_disable_tx_intr((hal)->dev) /** * @brief Enable I2S tx interrupt * * @param hal Context of the HAL layer */ #define i2s_hal_enable_tx_intr(hal) i2s_ll_enable_tx_intr((hal)->dev) /** * @brief Set I2S tx mode * * @param hal Context of the HAL layer * @param ch i2s channel * @param bits bits per sample */ void i2s_hal_set_tx_mode(i2s_hal_context_t *hal, i2s_channel_t ch, i2s_bits_per_sample_t bits); /** * @brief Set I2S rx mode * * @param hal Context of the HAL layer * @param ch i2s channel * @param bits bits per sample */ void i2s_hal_set_rx_mode(i2s_hal_context_t *hal, i2s_channel_t ch, i2s_bits_per_sample_t bits); /** * @brief Set I2S out link address * * @param hal Context of the HAL layer * @param addr out link address */ #define i2s_hal_set_out_link_addr(hal, addr) i2s_ll_set_out_link_addr((hal)->dev, addr) /** * @brief Set I2S out link address * * @param hal Context of the HAL layer * @param addr out link address */ #define i2s_hal_set_out_link_addr(hal, addr) i2s_ll_set_out_link_addr((hal)->dev, addr) /** * @brief Set I2S out link address * * @param hal Context of the HAL layer * @param addr out link address */ #define i2s_hal_set_out_link_addr(hal, addr) i2s_ll_set_out_link_addr((hal)->dev, addr) /** * @brief Set I2S in link * * @param hal Context of the HAL layer * @param rx_eof_num in link eof num * @param addr in link address */ void i2s_hal_set_in_link(i2s_hal_context_t *hal, uint32_t rx_eof_num, uint32_t addr); #if SOC_I2S_SUPPORTS_PDM /** * @brief Get I2S tx pdm * * @param hal Context of the HAL layer * @param fp tx pdm fp * @param fs tx pdm fs */ void i2s_hal_get_tx_pdm(i2s_hal_context_t *hal, int *fp, int *fs); #endif /** * @brief Get I2S rx sinc dsr 16 en * * @param hal Context of the HAL layer * @param en 0: disable, 1: enable */ #define i2s_hal_get_rx_sinc_dsr_16_en(hal, en) i2s_ll_get_rx_sinc_dsr_16_en((hal)->dev, en) /** * @brief Set I2S clk div * * @param hal Context of the HAL layer * @param div_num i2s clkm div num * @param div_a i2s clkm div a * @param div_b i2s clkm div b * @param tx_bck_div tx bck div num * @param rx_bck_div rx bck div num */ 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); /** * @brief Set I2S clock sel * * @param hal Context of the HAL layer * @param sel clock sel */ #define i2s_hal_set_clock_sel(hal, sel) i2s_ll_set_clk_sel((hal)->dev, sel) /** * @brief Set I2S tx bits mod * * @param hal Context of the HAL layer * @param bits bit width per sample. */ void i2s_hal_set_tx_bits_mod(i2s_hal_context_t *hal, i2s_bits_per_sample_t bits); /** * @brief Set I2S rx bits mod * * @param hal Context of the HAL layer * @param bits bit width per sample. */ void i2s_hal_set_rx_bits_mod(i2s_hal_context_t *hal, i2s_bits_per_sample_t bits); /** * @brief Reset I2S tx * * @param hal Context of the HAL layer */ void i2s_hal_reset(i2s_hal_context_t *hal); /** * @brief Start I2S tx * * @param hal Context of the HAL layer */ void i2s_hal_start_tx(i2s_hal_context_t *hal); /** * @brief Start I2S rx * * @param hal Context of the HAL layer */ void i2s_hal_start_rx(i2s_hal_context_t *hal); /** * @brief Stop I2S tx * * @param hal Context of the HAL layer */ void i2s_hal_stop_tx(i2s_hal_context_t *hal); /** * @brief Stop I2S rx * * @param hal Context of the HAL layer */ void i2s_hal_stop_rx(i2s_hal_context_t *hal); #if SOC_I2S_SUPPORTS_PDM /** * @brief Set I2S pdm rx down sample * * @param hal Context of the HAL layer * @param dsr 0:disable, 1: enable */ #define i2s_hal_set_pdm_rx_down_sample(hal, dsr) i2s_ll_set_rx_sinc_dsr_16_en((hal)->dev, dsr) #endif /** * @brief Config I2S param * * @param hal Context of the HAL layer * @param i2s_config I2S configurations - see i2s_config_t struct */ void i2s_hal_config_param(i2s_hal_context_t *hal, const i2s_config_t *i2s_config); /** * @brief Enable I2S sig loopback * * @param hal Context of the HAL layer */ #define i2s_hal_enable_sig_loopback(hal) i2s_ll_set_sig_loopback((hal)->dev, 1) /** * @brief Enable I2S master mode * * @param hal Context of the HAL layer */ void i2s_hal_enable_master_mode(i2s_hal_context_t *hal); /** * @brief Enable I2S slave mode * * @param hal Context of the HAL layer */ void i2s_hal_enable_slave_mode(i2s_hal_context_t *hal); /** * @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 * * @param hal Context of the HAL layer * @param i2s_num The uart port number, the max port number is (I2S_NUM_MAX -1) */ void i2s_hal_init(i2s_hal_context_t *hal, int i2s_num); #ifdef __cplusplus } #endif