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mraa/src/uart/uart.c
Thomas Ingleby 071951e926 uart: add init post hook
Signed-off-by: Thomas Ingleby <thomas.c.ingleby@intel.com>
2014-10-19 16:14:24 +01:00

53 lines
1.8 KiB
C

/*
* Author: Thomas Ingleby <thomas.c.ingleby@intel.com>
* Copyright (c) 2014 Intel Corporation.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <stdlib.h>
#include <sys/stat.h>
#include <unistd.h>
#include <string.h>
#include "uart.h"
#include "mraa_internal.h"
mraa_uart_context
mraa_uart_init(int index)
{
if ( mraa_setup_uart(index) != MRAA_SUCCESS)
return NULL;
mraa_uart_context dev = (mraa_uart_context) malloc(sizeof(struct _uart));
memset(dev, 0, sizeof(struct _uart));
dev->index = index;
if (advance_func->uart_init_post != NULL) {
mraa_result_t ret = advance_func->uart_init_post(dev);
if (ret != MRAA_SUCCESS) {
free(dev);
return NULL;
}
}
return dev;
}