board.c

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/*
 * Copyright 2019 NXP
 * All rights reserved.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

#include <stdint.h>
#include "fsl_common.h"
#include "fsl_debug_console.h"
#include "board.h"
#if defined(SDK_I2C_BASED_COMPONENT_USED) && SDK_I2C_BASED_COMPONENT_USED
#include "fsl_lpi2c.h"
#endif /* SDK_I2C_BASED_COMPONENT_USED */
       /*******************************************************************************
        * Variables
        ******************************************************************************/

/*******************************************************************************
 * Code
 ******************************************************************************/
/* Initialize debug console. */
void BOARD_InitDebugConsole(void)
{
    CLOCK_SetIpSrc(kCLOCK_Lpuart0, kCLOCK_IpSrcFircAsync);

    uint32_t uartClkSrcFreq = BOARD_DEBUG_UART_CLK_FREQ;

    DbgConsole_Init(BOARD_DEBUG_UART_INSTANCE, BOARD_DEBUG_UART_BAUDRATE, BOARD_DEBUG_UART_TYPE, uartClkSrcFreq);
}
#if defined(SDK_I2C_BASED_COMPONENT_USED) && SDK_I2C_BASED_COMPONENT_USED
void BOARD_LPI2C_Init(LPI2C_Type *base, uint32_t clkSrc_Hz)
{
    lpi2c_master_config_t lpi2cConfig = {0};

    /*
     * lpi2cConfig.debugEnable = false;
     * lpi2cConfig.ignoreAck = false;
     * lpi2cConfig.pinConfig = kLPI2C_2PinOpenDrain;
     * lpi2cConfig.baudRate_Hz = 100000U;
     * lpi2cConfig.busIdleTimeout_ns = 0;
     * lpi2cConfig.pinLowTimeout_ns = 0;
     * lpi2cConfig.sdaGlitchFilterWidth_ns = 0;
     * lpi2cConfig.sclGlitchFilterWidth_ns = 0;
     */
    LPI2C_MasterGetDefaultConfig(&lpi2cConfig);
    LPI2C_MasterInit(base, &lpi2cConfig, clkSrc_Hz);
}

status_t BOARD_LPI2C_Send(LPI2C_Type *base,
                          uint8_t deviceAddress,
                          uint32_t subAddress,
                          uint8_t subAddressSize,
                          uint8_t *txBuff,
                          uint8_t txBuffSize)
{
    status_t reVal;

    /* Send master blocking data to slave */
    reVal = LPI2C_MasterStart(base, deviceAddress, kLPI2C_Write);
    if (kStatus_Success == reVal)
    {
        while (LPI2C_MasterGetStatusFlags(base) & kLPI2C_MasterNackDetectFlag)
        {
        }

        reVal = LPI2C_MasterSend(base, &subAddress, subAddressSize);
        if (reVal != kStatus_Success)
        {
            return reVal;
        }

        reVal = LPI2C_MasterSend(base, txBuff, txBuffSize);
        if (reVal != kStatus_Success)
        {
            return reVal;
        }

        reVal = LPI2C_MasterStop(base);
        if (reVal != kStatus_Success)
        {
            return reVal;
        }
    }

    return reVal;
}

status_t BOARD_LPI2C_Receive(LPI2C_Type *base,
                             uint8_t deviceAddress,
                             uint32_t subAddress,
                             uint8_t subAddressSize,
                             uint8_t *rxBuff,
                             uint8_t rxBuffSize)
{
    status_t reVal;

    reVal = LPI2C_MasterStart(base, deviceAddress, kLPI2C_Write);
    if (kStatus_Success == reVal)
    {
        while (LPI2C_MasterGetStatusFlags(base) & kLPI2C_MasterNackDetectFlag)
        {
        }

        reVal = LPI2C_MasterSend(base, &subAddress, subAddressSize);
        if (reVal != kStatus_Success)
        {
            return reVal;
        }

        reVal = LPI2C_MasterRepeatedStart(base, deviceAddress, kLPI2C_Read);
        if (reVal != kStatus_Success)
        {
            return reVal;
        }

        reVal = LPI2C_MasterReceive(base, rxBuff, rxBuffSize);
        if (reVal != kStatus_Success)
        {
            return reVal;
        }

        reVal = LPI2C_MasterStop(base);
        if (reVal != kStatus_Success)
        {
            return reVal;
        }
    }
    return reVal;
}

void BOARD_Accel_I2C_Init(void)
{
    BOARD_LPI2C_Init(BOARD_ACCEL_I2C_BASEADDR, BOARD_ACCEL_I2C_CLOCK_FREQ);
}

status_t BOARD_Accel_I2C_Send(uint8_t deviceAddress, uint32_t subAddress, uint8_t subaddressSize, uint32_t txBuff)
{
    uint8_t data = (uint8_t)txBuff;

    return BOARD_LPI2C_Send(BOARD_ACCEL_I2C_BASEADDR, deviceAddress, subAddress, subaddressSize, &data, 1);
}

status_t BOARD_Accel_I2C_Receive(
    uint8_t deviceAddress, uint32_t subAddress, uint8_t subaddressSize, uint8_t *rxBuff, uint8_t rxBuffSize)
{
    return BOARD_LPI2C_Receive(BOARD_ACCEL_I2C_BASEADDR, deviceAddress, subAddress, subaddressSize, rxBuff, rxBuffSize);
}
#endif /* SDK_I2C_BASED_COMPONENT_USED */