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iio_driver.c: Add example for iio interface

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Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
This commit is contained in:
Brendan Le Foll
2015-09-28 16:53:58 +01:00
parent ba9ab4b384
commit 8c19105309
2 changed files with 51 additions and 0 deletions
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2
examples/CMakeLists.txt
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@@ -12,6 +12,7 @@ add_executable (uart uart.c)
add_executable (mraa-gpio mraa-gpio.c)
add_executable (mraa-i2c mraa-i2c.c)
add_executable (spi_max7219 spi_max7219.c)
add_executable (iio_driver iio_driver.c)
include_directories(${PROJECT_SOURCE_DIR}/api)
# FIXME Hack to access mraa internal types used by mraa-i2c
@@ -32,6 +33,7 @@ target_link_libraries (uart mraa)
target_link_libraries (mraa-gpio mraa)
target_link_libraries (mraa-i2c mraa)
target_link_libraries (spi_max7219 mraa)
target_link_libraries (iio_driver mraa)
add_subdirectory (c++)

49
examples/iio_driver.c Normal file
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@@ -0,0 +1,49 @@
/*
* Author: Brendan Le Foll
* Copyright (c) 2015 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 <unistd.h>
//! [Interesting]
#include "mraa/iio.h"
int
main()
{
mraa_iio_context iio_device0;
iio_device0 = mraa_iio_init(0);
if (iio_device0 == NULL) {
return EXIT_FAILURE;
}
float iio_value;
mraa_result_t ret = mraa_iio_read(iio_device0, 0, "raw", &iio_value);
if (ret == MRAA_SUCCESS) {
fprintf(stdout, "IIO read %f\n", iio_value);
}
mraa_iio_stop(iio_device0);
return EXIT_SUCCESS;
}
//! [Interesting]