ba72c5b089
There were unused variables, incorrect pointer operations and plan broken string comparison. Now there's only one - for unused uart3_enabled in beaglebone.c, but we want to keep it for declaration consistency. Also fixes #757. Signed-off-by: Alex Tereschenko <alext.mkrs@gmail.com>
87 lines
2.5 KiB
C
87 lines
2.5 KiB
C
/*
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* Author: Norbert Wesp <nwesp@phytec.de>
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* Author: Stefan Müller-Klieser <S.Mueller-Klieser@phytec.de>
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* Copyright (c) 2016 Phytec Messtechnik GmbH.
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*
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* Based on src/arm/beaglebone.c
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#pragma once
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdlib.h>
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#include <string.h>
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#include <sys/mman.h>
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#include <mraa/types.h>
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#include "common.h"
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#define SYSFS_CLASS_PWM "/sys/class/pwm/"
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#define SYSFS_CLASS_MMC "/sys/class/mmc_host/"
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#define MMAP_PATH "/dev/mem"
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#define MAX_SIZE 64
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#define AM335X_GPIO0_BASE 0x44e07000
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#define AM335X_GPIO1_BASE 0x4804c000
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#define AM335X_GPIO2_BASE 0x481AC000
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#define AM335X_GPIO3_BASE 0x481AE000
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#define AM335X_GPIO_SIZE (4 * 1024)
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#define AM335X_IN 0x138
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#define AM335X_CLR 0x190
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#define AM335X_SET 0x194
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/**
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* Writes 'value' to gpio_context 'dev'
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*
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* @return mraa_result_t indicating success of actions.
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*/
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mraa_result_t mraa_am335x_mmap_write(mraa_gpio_context dev, int value);
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/**
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* Unsetup register of mmap_gpio[]
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*
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* @return mraa_result_t indicating success of actions.
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*/
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mraa_result_t mraa_am335x_mmap_unsetup();
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/**
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* Read from gpio_context 'dev'
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*
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* @return int result indicating success of actions.
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*/
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int mraa_am335x_mmap_read(mraa_gpio_context dev);
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/**
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* Disables gpio_context 'dev' in case of 'en' or mmap'ing gpio_context 'dev'
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*
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* @return mraa_result_t indicating success of actions.
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*/
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mraa_result_t mraa_am335x_mmap_setup(mraa_gpio_context dev, mraa_boolean_t en);
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#ifdef __cplusplus
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}
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#endif
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