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mmap: added mmap io to gpio

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* added function to gpio to use mmap
* changed board definition format around mmap io (fast-gpio)
* Intel Galileo Rev D updated to follow changed definitions

* Example performing mmap io to pin 2 added.

Signed-off-by: Thomas Ingleby <thomas.c.ingleby@intel.com>
This commit is contained in:
Thomas Ingleby
2014-05-29 16:30:07 +01:00
parent b9352a9e8c
commit 7af6a96a13
8 changed files with 182 additions and 11 deletions
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2
examples/CMakeLists.txt
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@@ -6,6 +6,7 @@ add_executable (analogin_a0 analogin_a0.c)
add_executable (isr_pin6 isr_pin6.c)
add_executable (gpio_read6 gpio_read6.c)
add_executable (spi_mcp4261 spi_mcp4261.c)
add_executable (mmap-io2 mmap-io2.c)
include_directories(${PROJECT_SOURCE_DIR}/api)
@@ -17,6 +18,7 @@ target_link_libraries (analogin_a0 maa)
target_link_libraries (isr_pin6 maa)
target_link_libraries (gpio_read6 maa)
target_link_libraries (spi_mcp4261 maa)
target_link_libraries (mmap-io2 maa)
add_subdirectory (c++)

47
examples/mmap-io2.c Normal file
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@@ -0,0 +1,47 @@
/*
* 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 "stdio.h"
#include <unistd.h>
#include "gpio.h"
int
main(int argc, char **argv)
{
//! [Interesting]
fprintf(stdout, "hello maa\n Version: %s\n", maa_get_version());
maa_gpio_context gpio;
gpio = maa_gpio_init(2);
maa_gpio_use_mmaped(gpio, 1);
for (;;) {
maa_gpio_write(gpio , 1);
usleep(50000);
maa_gpio_write(gpio, 0);
usleep(50000);
}
//! [Interesting]
}