145 lines
5.2 KiB
C
145 lines
5.2 KiB
C
/*
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* The Clear BSD License
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* Copyright (c) 2015, Freescale Semiconductor, Inc.
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* Copyright 2016-2017 NXP
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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 (subject to the limitations in the disclaimer below) provided
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* that the following conditions are met:
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*
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* o Redistributions of source code must retain the above copyright notice, this list
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* of conditions and the following disclaimer.
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*
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* o Redistributions in binary form must reproduce the above copyright notice, this
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* list of conditions and the following disclaimer in the documentation and/or
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* other materials provided with the distribution.
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*
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* o Neither the name of the copyright holder 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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* NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED BY THIS LICENSE.
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdint.h>
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#include "fsl_common.h"
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#include "fsl_debug_console.h"
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#include "board.h"
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#if defined(SDK_I2C_BASED_COMPONENT_USED) && SDK_I2C_BASED_COMPONENT_USED
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#include "fsl_i2c.h"
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#endif /* SDK_I2C_BASED_COMPONENT_USED */
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/*******************************************************************************
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* Variables
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******************************************************************************/
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/*******************************************************************************
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* Code
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******************************************************************************/
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/* Initialize debug console. */
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void BOARD_InitDebugConsole(void)
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{
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uint32_t uartClkSrcFreq;
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/* SIM_SOPT2[27:26]:
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* 00: Clock Disabled
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* 01: IRC48M
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* 10: OSCERCLK
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* 11: MCGIRCCLK
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*/
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CLOCK_SetLpuart0Clock(1);
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uartClkSrcFreq = BOARD_DEBUG_UART_CLK_FREQ;
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DbgConsole_Init(BOARD_DEBUG_UART_BASEADDR, BOARD_DEBUG_UART_BAUDRATE, BOARD_DEBUG_UART_TYPE, uartClkSrcFreq);
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}
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void board_init(void)
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{
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/* Init board hardware. */
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BOARD_InitPins();
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BOARD_BootClockRUN();
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BOARD_InitDebugConsole();
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PRINTF("Welcome to TencentOS tiny.\r\n");
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}
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#if defined(SDK_I2C_BASED_COMPONENT_USED) && SDK_I2C_BASED_COMPONENT_USED
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void BOARD_I2C_Init(I2C_Type *base, uint32_t clkSrc_Hz)
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{
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i2c_master_config_t i2cConfig = {0};
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I2C_MasterGetDefaultConfig(&i2cConfig);
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I2C_MasterInit(base, &i2cConfig, clkSrc_Hz);
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}
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status_t BOARD_I2C_Send(I2C_Type *base,
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uint8_t deviceAddress,
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uint32_t subAddress,
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uint8_t subaddressSize,
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uint8_t *txBuff,
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uint8_t txBuffSize)
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{
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i2c_master_transfer_t masterXfer;
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/* Prepare transfer structure. */
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masterXfer.slaveAddress = deviceAddress;
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masterXfer.direction = kI2C_Write;
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masterXfer.subaddress = subAddress;
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masterXfer.subaddressSize = subaddressSize;
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masterXfer.data = txBuff;
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masterXfer.dataSize = txBuffSize;
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masterXfer.flags = kI2C_TransferDefaultFlag;
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return I2C_MasterTransferBlocking(base, &masterXfer);
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}
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status_t BOARD_I2C_Receive(I2C_Type *base,
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uint8_t deviceAddress,
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uint32_t subAddress,
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uint8_t subaddressSize,
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uint8_t *rxBuff,
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uint8_t rxBuffSize)
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{
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i2c_master_transfer_t masterXfer;
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/* Prepare transfer structure. */
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masterXfer.slaveAddress = deviceAddress;
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masterXfer.subaddress = subAddress;
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masterXfer.subaddressSize = subaddressSize;
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masterXfer.data = rxBuff;
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masterXfer.dataSize = rxBuffSize;
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masterXfer.direction = kI2C_Read;
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masterXfer.flags = kI2C_TransferDefaultFlag;
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return I2C_MasterTransferBlocking(base, &masterXfer);
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}
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void BOARD_Accel_I2C_Init(void)
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{
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BOARD_I2C_Init(BOARD_ACCEL_I2C_BASEADDR, BOARD_ACCEL_I2C_CLOCK_FREQ);
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}
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status_t BOARD_Accel_I2C_Send(uint8_t deviceAddress, uint32_t subAddress, uint8_t subaddressSize, uint32_t txBuff)
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{
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uint8_t data = (uint8_t)txBuff;
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return BOARD_I2C_Send(BOARD_ACCEL_I2C_BASEADDR, deviceAddress, subAddress, subaddressSize, &data, 1);
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}
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status_t BOARD_Accel_I2C_Receive(uint8_t deviceAddress, uint32_t subAddress, uint8_t subaddressSize, uint8_t *rxBuff, uint8_t rxBuffSize)
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{
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return BOARD_I2C_Receive(BOARD_ACCEL_I2C_BASEADDR, deviceAddress, subAddress, subaddressSize, rxBuff, rxBuffSize);
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}
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#endif /* SDK_I2C_BASED_COMPONENT_USED */
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