141 lines
4.4 KiB
C
141 lines
4.4 KiB
C
/**
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* Copyright (c) 2016 - 2019, Nordic Semiconductor ASA
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form, except as embedded into a Nordic
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* Semiconductor ASA integrated circuit in a product or a software update for
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* such product, must reproduce the above copyright notice, this list of
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* conditions and the following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* 4. This software, with or without modification, must only be used with a
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* Nordic Semiconductor ASA integrated circuit.
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*
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* 5. Any software provided in binary form under this license must not be reverse
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* engineered, decompiled, modified and/or disassembled.
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*
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* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef UDA1380_H__
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#define UDA1380_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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#include "nrf_drv_twi.h"
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#define UDA1380_REG_CLK 0x00
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#define UDA1380_REG_I2S 0x01
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#define UDA1380_REG_PWR 0x02
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#define UDA1380_REG_AMIX 0x03
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#define UDA1380_REG_HPA 0x04
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#define UDA1380_REG_VOL 0x10
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#define UDA1380_REG_MIX_VOL 0x11
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#define UDA1380_REG_PPROC 0x12
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#define UDA1380_REG_DEEMP 0x13
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#define UDA1380_REG_MIXER 0x14
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#define UDA1380_REG_RESET 0x7F
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/**
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* @brief Default UDA1380 TWI configuration
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*
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* @param scl_pin SCL pin number
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* @param sda_pin SDA pin number
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*/
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#define UDA1380_DEFAULT_TWI_CONFIG(scl_pin, sda_pin) { \
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.scl = scl_pin, \
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.sda = sda_pin, \
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.frequency = NRF_DRV_TWI_FREQ_100K, \
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.interrupt_priority = APP_IRQ_PRIORITY_HIGH, \
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.clear_bus_init = false, \
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.hold_bus_uninit = false \
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}
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/**
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* @brief UDA1380 register descriptor
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* */
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typedef struct {
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uint8_t addr; //!< Internal register address
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uint8_t val[2]; //!< Internal register value
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} uda1380_reg_t;
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#define UDA1380_REG_INIT(address, value) { \
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.addr = address, \
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.val = {(value) / 256, (value) & 0xFF}, \
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}
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/**
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* @brief UDA1380 TWI bus address*/
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#define UDA1380_TWI_ADDRESS (0x18)
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/**
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* @brief UDA1380 interface
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* */
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typedef struct {
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nrf_drv_twi_t twi; //!< TWI instance
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nrf_drv_twi_config_t twi_cfg; //!< TWI configuration
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uint8_t twi_addr; //!< UDA1380 TWI address
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} uda1380_iface_t;
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/**
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* @brief Initializes UDA1380 codec IC
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*
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* @param p_iface Communication interface
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* @param p_reg_config Configuration registers
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* @param reg_size Number of configuration registers
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*
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* @return Standard error code
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* */
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ret_code_t uda1380_init(uda1380_iface_t const * p_iface,
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uda1380_reg_t const * p_reg_config,
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size_t reg_size);
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/**
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* @brief Enable UDA1380 codec
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*
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* @return Standard error code
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* */
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ret_code_t uda1380_enable(uda1380_iface_t const * p_iface);
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/**
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* @brief Disable UDA1380 codec
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*
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* @return Standard error code
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* */
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ret_code_t uda1380_disable(uda1380_iface_t const * p_iface);
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#ifdef __cplusplus
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}
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#endif
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#endif /* UDA1380_H__ */
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