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07a9af07fe
This removes unnecessary uint8 types from C driver structs that prevented some sensors from being initialized when connected to a MRAA subplatform. Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
77 lines
2.3 KiB
C
77 lines
2.3 KiB
C
/*
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* Author: Jon Trulson <jtrulson@ics.com>
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* Abhishek Malik <abhishek.malik@intel.com>
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* Copyright (c) 2016 Intel Corporation.
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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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#include "mq303a.h"
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#include <stdlib.h>
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mq303a_context mq303a_init(int pin, int heater_pin) {
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// make sure MRAA is initialized
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int mraa_rv;
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if ((mraa_rv = mraa_init()) != MRAA_SUCCESS)
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{
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printf("%s: mraa_init() failed (%d).\n", __FUNCTION__, mraa_rv);
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return NULL;
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}
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mq303a_context dev =
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(mq303a_context)malloc(sizeof(struct _mq303a_context));
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if (!dev)
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return NULL;
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dev->aio = mraa_aio_init(pin);
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dev->gpio = mraa_gpio_init(heater_pin);
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if(mraa_gpio_dir(dev->gpio, MRAA_GPIO_OUT) != MRAA_SUCCESS)
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{
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free(dev);
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return NULL;
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}
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return dev;
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}
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void mq303a_close(mq303a_context dev){
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free(dev);
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}
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upm_result_t mq303a_heater_enable(mq303a_context dev, bool enable){
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if(enable)
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mraa_gpio_write(dev->gpio, 0);
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else
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mraa_gpio_write(dev->gpio, 1);
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return UPM_SUCCESS;
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}
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upm_result_t mq303a_get_value(mq303a_context dev, int* val){
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*val = mraa_aio_read(dev->aio);
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if (*val < 0)
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return UPM_ERROR_OPERATION_FAILED;
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return UPM_SUCCESS;
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}
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