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TencentOS-tiny/board/NXP_FRDM_KL25Z/BSP/Src/pin_mux.c
supowang edb2879617 first commit for opensource
first commit for opensource
2019-09-16 13:19:50 +08:00

82 lines
3.9 KiB
C

/*
* Copyright (c) 2016, Freescale Semiconductor, Inc.
* Copyright 2016-2017 NXP
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* o Redistributions of source code must retain the above copyright notice, this list
* of conditions and the following disclaimer.
*
* o Redistributions in binary form must reproduce the above copyright notice, this
* list of conditions and the following disclaimer in the documentation and/or
* other materials provided with the distribution.
*
* o Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* TEXT BELOW IS USED AS SETTING FOR THE PINS TOOL *****************************
PinsProfile:
- !!product 'Pins v2.0'
- !!processor 'MKL25Z128xxx4'
- !!package 'MKL25Z128VLK4'
- !!mcu_data 'ksdk2_0'
- !!processor_version '1.1.0'
* BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR THE PINS TOOL ***
*/
#include "fsl_common.h"
#include "fsl_port.h"
#include "pin_mux.h"
#define PIN1_IDX 1u /*!< Pin number for pin 1 in a port */
#define PIN2_IDX 2u /*!< Pin number for pin 2 in a port */
#define SOPT5_UART0RXSRC_UART_RX 0x00u /*!< UART0 receive data source select: UART0_RX pin */
#define SOPT5_UART0TXSRC_UART_TX 0x00u /*!< UART0 transmit data source select: UART0_TX pin */
/*
* TEXT BELOW IS USED AS SETTING FOR THE PINS TOOL *****************************
BOARD_InitPins:
- options: {coreID: singlecore, enableClock: 'true'}
- pin_list:
- {pin_num: '28', peripheral: UART0, signal: TX, pin_signal: TSI0_CH3/PTA2/UART0_TX/TPM2_CH1}
- {pin_num: '27', peripheral: UART0, signal: RX, pin_signal: TSI0_CH2/PTA1/UART0_RX/TPM2_CH0}
* BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR THE PINS TOOL ***
*/
/*FUNCTION**********************************************************************
*
* Function Name : BOARD_InitPins
* Description : Configures pin routing and optionally pin electrical features.
*
*END**************************************************************************/
void BOARD_InitPins(void) {
CLOCK_EnableClock(kCLOCK_PortA); /* Port A Clock Gate Control: Clock enabled */
PORT_SetPinMux(PORTA, PIN1_IDX, kPORT_MuxAlt2); /* PORTA1 (pin 27) is configured as UART0_RX */
PORT_SetPinMux(PORTA, PIN2_IDX, kPORT_MuxAlt2); /* PORTA2 (pin 28) is configured as UART0_TX */
SIM->SOPT5 = ((SIM->SOPT5 &
(~(SIM_SOPT5_UART0TXSRC_MASK | SIM_SOPT5_UART0RXSRC_MASK))) /* Mask bits to zero which are setting */
| SIM_SOPT5_UART0TXSRC(SOPT5_UART0TXSRC_UART_TX) /* UART0 transmit data source select: UART0_TX pin */
| SIM_SOPT5_UART0RXSRC(SOPT5_UART0RXSRC_UART_RX) /* UART0 receive data source select: UART0_RX pin */
);
}
/*******************************************************************************
* EOF
******************************************************************************/