Files
firmware/right/src/include/board/pin_mux.c
2016-10-04 16:44:16 +02:00

68 lines
2.5 KiB
C

/*
* 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_common.h"
#include "fsl_port.h"
#include "test_led.h"
#include "reset_button.h"
void BOARD_InitPins(void)
{
// Ungate ports.
CLOCK_EnableClock(kCLOCK_PortA); // LEDs
CLOCK_EnableClock(kCLOCK_PortB); // SW3
CLOCK_EnableClock(kCLOCK_PortC); // SW2
CLOCK_EnableClock(kCLOCK_PortD); // LEDs, I2C
// Set up switches
port_pin_config_t switchConfig = {
.pullSelect = kPORT_PullUp,
.mux = kPORT_MuxAsGpio,
};
PORT_SetPinConfig(RESET_BUTTON_PORT, RESET_BUTTON_PIN, &switchConfig);
// Initialize LEDs.
PORT_SetPinMux(TEST_LED_GPIO_PORT, TEST_LED_GPIO_PIN, kPORT_MuxAsGpio);
TEST_LED_INIT(0);
// Initialize I2C.
port_pin_config_t pinConfig = {0};
pinConfig.pullSelect = kPORT_PullUp;
pinConfig.openDrainEnable = kPORT_OpenDrainEnable;
PORT_SetPinConfig(PORTD, 2, &pinConfig);
PORT_SetPinConfig(PORTD, 3, &pinConfig);
PORT_SetPinMux(PORTD, 2, kPORT_MuxAlt7);
PORT_SetPinMux(PORTD, 3, kPORT_MuxAlt7);
}