58 lines
1.8 KiB
C
58 lines
1.8 KiB
C
/*
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Copyright (c) 2013 Adafruit
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Author: Justin Cooper
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Permission is hereby granted, free of charge, to any person obtaining a copy of
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this software and associated documentation files (the "Software"), to deal in
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the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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of the Software, and to permit persons to whom the Software is furnished to do
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so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <string.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include "c_uart.h"
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#include "common.h"
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BBIO_err uart_setup(const char *dt)
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{
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return load_device_tree(dt);
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}
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BBIO_err uart_cleanup(void)
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{
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BBIO_err e1, e2, e3, e4, e5;
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e1 = unload_device_tree("ADAFRUIT-UART1");
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e2 = unload_device_tree("ADAFRUIT-UART2");
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e3 = unload_device_tree("ADAFRUIT-UART3");
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e4 = unload_device_tree("ADAFRUIT-UART4");
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e5 = unload_device_tree("ADAFRUIT-UART5");
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if (e1 != BBIO_OK)
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return e1;
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if (e2 != BBIO_OK)
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return e1;
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if (e3 != BBIO_OK)
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return e1;
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if (e4 != BBIO_OK)
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return e1;
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if (e5 != BBIO_OK)
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return e1;
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return BBIO_OK;
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}
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