boards/evkbimxrt1050/pin_mux.c

0001 /*
0002  * Copyright 2018 NXP.
0003  * All rights reserved.
0004  *
0005  * SPDX-License-Identifier: BSD-3-Clause
0006  */
0007
0008 #include "fsl_common.h"
0009 #include "fsl_iomuxc.h"
0010 #include <bsp.h>
0011 #include <bsp/start.h>
0012
0013 BSP_START_TEXT_SECTION
0014 void BOARD_InitDEBUG_UARTPins(void) {
0015   CLOCK_EnableClock(kCLOCK_Iomuxc);           /* iomuxc clock (iomuxc_clk_enable): 0x03u */
0016
0017   IOMUXC_SetPinMux(
0018       IOMUXC_GPIO_AD_B0_12_LPUART1_TXD,       /* GPIO_AD_B0_12 is configured as LPUART1_TX */
0019       0U);                                    /* Software Input On Field: Input Path is determined by functionality */
0020   IOMUXC_SetPinMux(
0021       IOMUXC_GPIO_AD_B0_13_LPUART1_RXD,       /* GPIO_AD_B0_13 is configured as LPUART1_RX */
0022       0U);                                    /* Software Input On Field: Input Path is determined by functionality */
0023   IOMUXC_SetPinConfig(
0024       IOMUXC_GPIO_AD_B0_12_LPUART1_TXD,       /* GPIO_AD_B0_12 PAD functional properties : */
0025       0x10B0u);                               /* Slew Rate Field: Slow Slew Rate
0026                                                  Drive Strength Field: R0/6
0027                                                  Speed Field: medium(100MHz)
0028                                                  Open Drain Enable Field: Open Drain Disabled
0029                                                  Pull / Keep Enable Field: Pull/Keeper Enabled
0030                                                  Pull / Keep Select Field: Keeper
0031                                                  Pull Up / Down Config. Field: 100K Ohm Pull Down
0032                                                  Hyst. Enable Field: Hysteresis Disabled */
0033   IOMUXC_SetPinConfig(
0034       IOMUXC_GPIO_AD_B0_13_LPUART1_RXD,       /* GPIO_AD_B0_13 PAD functional properties : */
0035       0x10B0u);                               /* Slew Rate Field: Slow Slew Rate
0036                                                  Drive Strength Field: R0/6
0037                                                  Speed Field: medium(100MHz)
0038                                                  Open Drain Enable Field: Open Drain Disabled
0039                                                  Pull / Keep Enable Field: Pull/Keeper Enabled
0040                                                  Pull / Keep Select Field: Keeper
0041                                                  Pull Up / Down Config. Field: 100K Ohm Pull Down
0042                                                  Hyst. Enable Field: Hysteresis Disabled */
0043 }