87 lines
3.5 KiB
C
87 lines
3.5 KiB
C
/*
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* Copyright (c) 2015, Freescale Semiconductor, Inc.
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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 provided 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 Freescale Semiconductor, Inc. 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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* 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 "fsl_common.h"
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#include "fsl_port.h"
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#include "board.h"
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void BOARD_InitPins(void)
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{
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// Ungate ports.
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CLOCK_EnableClock(kCLOCK_PortA); // LEDs
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CLOCK_EnableClock(kCLOCK_PortB); // SW3, I2C
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CLOCK_EnableClock(kCLOCK_PortC); // SW2
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CLOCK_EnableClock(kCLOCK_PortD); // LEDs
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CLOCK_EnableClock(kCLOCK_PortE); // UART1 for OpenSDA
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// Set up UART1 for OpenSDA.
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PORT_SetPinMux(PORTE, 0u, kPORT_MuxAlt3);
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PORT_SetPinMux(PORTE, 1u, kPORT_MuxAlt3);
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// Set up switches
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port_pin_config_t switchConfig = {
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.pullSelect = kPORT_PullUp,
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.mux = kPORT_MuxAsGpio,
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};
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PORT_SetPinConfig(BOARD_SW2_PORT, BOARD_SW2_GPIO_PIN, &switchConfig);
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PORT_SetPinConfig(BOARD_SW3_PORT, BOARD_SW3_GPIO_PIN, &switchConfig);
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// Initialize LEDs.
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PORT_SetPinMux(BOARD_LED_RED_GPIO_PORT, BOARD_LED_RED_GPIO_PIN, kPORT_MuxAsGpio);
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PORT_SetPinMux(BOARD_LED_GREEN_GPIO_PORT, BOARD_LED_GREEN_GPIO_PIN, kPORT_MuxAsGpio);
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PORT_SetPinMux(BOARD_LED_BLUE_GPIO_PORT, BOARD_LED_BLUE_GPIO_PIN, kPORT_MuxAsGpio);
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gpio_pin_config_t led_config = {
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.pinDirection = kGPIO_DigitalOutput,
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.outputLogic = 0,
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};
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GPIO_PinInit(BOARD_LED_RED_GPIO, BOARD_LED_RED_GPIO_PIN, &led_config);
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GPIO_PinInit(BOARD_LED_GREEN_GPIO, BOARD_LED_GREEN_GPIO_PIN, &led_config);
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GPIO_PinInit(BOARD_LED_BLUE_GPIO, BOARD_LED_BLUE_GPIO_PIN, &led_config);
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GPIO_SetPinsOutput(BOARD_LED_RED_GPIO, 1 << BOARD_LED_RED_GPIO_PIN);
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GPIO_SetPinsOutput(BOARD_LED_GREEN_GPIO, 1 << BOARD_LED_GREEN_GPIO_PIN);
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GPIO_SetPinsOutput(BOARD_LED_BLUE_GPIO, 1 << BOARD_LED_BLUE_GPIO_PIN);
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// Initialize I2C.
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port_pin_config_t pinConfig = {0};
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pinConfig.pullSelect = kPORT_PullUp;
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pinConfig.openDrainEnable = kPORT_OpenDrainEnable;
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PORT_SetPinConfig(PORTB, 2, &pinConfig);
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PORT_SetPinConfig(PORTB, 3, &pinConfig);
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PORT_SetPinMux(PORTB, 2, kPORT_MuxAlt2);
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PORT_SetPinMux(PORTB, 3, kPORT_MuxAlt2);
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}
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