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/*
* Copyright 2019 NXP
* All rights reserved.
*
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include "fsl_codec_i2c.h"
/*******************************************************************************
* Definitions
******************************************************************************/
/*******************************************************************************
* Variables
******************************************************************************/
/*******************************************************************************
* Code
******************************************************************************/
/*!
* brief Codec i2c bus initilization.
*
* param handle i2c master handle.
* param i2CInstance instance number of the i2c bus, such as 0 is corresponding to I2C0.
* param i2cBaudrate i2c baudrate.
* param i2cSourceClockHz i2c source clock frequency.
* return kStatus_HAL_I2cSuccess is success, else initial failed.
*/
status_t CODEC_I2C_Init(void *handle, uint32_t i2cInstance, uint32_t i2cBaudrate, uint32_t i2cSourceClockHz)
{
hal_i2c_master_config_t masterConfig;
masterConfig.enableMaster = true;
masterConfig.baudRate_Bps = i2cBaudrate;
masterConfig.srcClock_Hz = i2cSourceClockHz;
masterConfig.instance = i2cInstance;
return HAL_I2cMasterInit((hal_i2c_master_handle_t *)handle, &masterConfig);
}
/*!
* brief Codec i2c de-initilization.
*
* param handle i2c master handle.
* return kStatus_HAL_I2cSuccess is success, else deinitial failed.
*/
status_t CODEC_I2C_Deinit(void *handle)
{
return HAL_I2cMasterDeinit((hal_i2c_master_handle_t *)handle);
}
/*!
* brief codec i2c send function.
*
* param handle i2c master handle.
* param deviceAddress codec device address.
* param subAddress register address.
* param subaddressSize register address width.
* param txBuff tx buffer pointer.
* param txBuffSize tx buffer size.
* return kStatus_HAL_I2cSuccess is success, else send failed.
*/
status_t CODEC_I2C_Send(void *handle,
uint8_t deviceAddress,
uint32_t subAddress,
uint8_t subaddressSize,
uint8_t *txBuff,
uint8_t txBuffSize)
{
hal_i2c_master_transfer_t masterXfer;
masterXfer.slaveAddress = deviceAddress;
masterXfer.direction = kHAL_I2cWrite;
masterXfer.subaddress = (uint32_t)subAddress;
masterXfer.subaddressSize = subaddressSize;
masterXfer.data = txBuff;
masterXfer.dataSize = txBuffSize;
masterXfer.flags = kHAL_I2cTransferDefaultFlag;
return HAL_I2cMasterTransferBlocking((hal_i2c_master_handle_t *)handle, &masterXfer);
}
/*!
* brief codec i2c receive function.
*
* param handle i2c master handle.
* param deviceAddress codec device address.
* param subAddress register address.
* param subaddressSize register address width.
* param rxBuff rx buffer pointer.
* param rxBuffSize rx buffer size.
* return kStatus_HAL_I2cSuccess is success, else receive failed.
*/
status_t CODEC_I2C_Receive(void *handle,
uint8_t deviceAddress,
uint32_t subAddress,
uint8_t subaddressSize,
uint8_t *rxBuff,
uint8_t rxBuffSize)
{
hal_i2c_master_transfer_t masterXfer;
masterXfer.slaveAddress = deviceAddress;
masterXfer.direction = kHAL_I2cRead;
masterXfer.subaddress = (uint32_t)subAddress;
masterXfer.subaddressSize = subaddressSize;
masterXfer.data = rxBuff;
masterXfer.dataSize = rxBuffSize;
masterXfer.flags = kHAL_I2cTransferDefaultFlag;
return HAL_I2cMasterTransferBlocking((hal_i2c_master_handle_t *)handle, &masterXfer);
}
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