/* * Copyright (c) 2015, Freescale Semiconductor, Inc. * All rights reserved. * * 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 Freescale Semiconductor, Inc. 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. */ #include "fsl_device_registers.h" #include "port/fsl_port.h" #include "pin_mux.h" /******************************************************************************* * Code ******************************************************************************/ /*! * @brief Initialize all pins used in this example * * @param disablePortClockAfterInit disable port clock after pin * initialization or not. */ void BOARD_InitPins(void) { port_pin_config_t pinConfig; pinConfig.pullSelect = kPORT_PullUp; pinConfig.openDrainEnable = kPORT_OpenDrainEnable; /* Ungate the port clock */ SIM->SCGC5 |= (SIM_SCGC5_PORTA_MASK | SIM_SCGC5_PORTB_MASK | SIM_SCGC5_PORTC_MASK | SIM_SCGC5_PORTD_MASK | SIM_SCGC5_PORTE_MASK); /* Initialize UART2(OpenSDA) pins below */ PORT_SetPinMux(PORTE, 16u, kPORT_MuxAlt3); /* Affects PORTE_PCR16 register */ PORT_SetPinMux(PORTE, 17u, kPORT_MuxAlt3); /* Affects PORTE_PCR17 register */ /* Enable pins for UART4 on PTE24 - PTE25. */ PORT_SetPinMux(PORTE, 25u, kPORT_MuxAlt3); /* UART4_RX is ALT3 for pin PTE25 */ PORT_SetPinMux(PORTE, 24u, kPORT_MuxAlt3); /* UART4_TX is ALT3 for pin PTE24 */ /* Enable pins for I2C0 on PTE18 - PTE19. */ PORT_SetPinConfig(PORTE, 18u, &pinConfig); /* I2C0_SCL set for open drain */ PORT_SetPinConfig(PORTE, 19u, &pinConfig); /* I2C0_SDA set for open drain */ PORT_SetPinMux(PORTE, 18u, kPORT_MuxAlt4); /* I2C0_SCL is ALT4 for pin PTE18 */ PORT_SetPinMux(PORTE, 19u, kPORT_MuxAlt4); /* I2C0_SDA is ALT4 for pin PTE19 */ /* Enable pins for SPI0 on PTD0 - PTD3. */ PORT_SetPinMux(PORTD, 11u, kPORT_MuxAlt2); /* SPI0_PCS0 is ALT2 for pin PTD11 */ PORT_SetPinMux(PORTD, 12u, kPORT_MuxAlt2); /* SPI0_SCK is ALT2 for pin PTD12 */ PORT_SetPinMux(PORTD, 13u, kPORT_MuxAlt2); /* SPI0_SOUT is ALT2 for pin PTD13 */ PORT_SetPinMux(PORTD, 14u, kPORT_MuxAlt2); /* SPI0_SIN is ALT2 for pin PTD14 */ /* LED PTA28 */ PORT_SetPinMux(PORTA, 28u, kPORT_MuxAsGpio); PORT_SetPinMux(PORTA, 29u, kPORT_MuxAsGpio); PORT_SetPinMux(PORTB, 4u, kPORT_MuxAsGpio); PORT_SetPinMux(PORTB, 5u, kPORT_MuxAsGpio); /* SW2 PTA4 */ PORT_SetPinMux(PORTA, 4u, kPORT_MuxAsGpio); /* SW3 PTA10 */ PORT_SetPinMux(PORTA, 10u, kPORT_MuxAsGpio); /* Enable pins for FLEXCAN0 on PTA30 - PTA31. */ PORT_SetPinMux(PORTA, 30u, kPORT_MuxAlt2); /* FLEXCAN0_TX is ALT2 for pin PTA30 */ PORT_SetPinMux(PORTA, 31u, kPORT_MuxAlt2); /* FLEXCAN0_RX is ALT2 for pin PTA31 */ }