64d3c78ca9
* Update examples and swig interface. Signed-off-by: Thomas Ingleby <thomas.c.ingleby@intel.com>
119 lines
3.2 KiB
C
119 lines
3.2 KiB
C
/*
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* Author: Brendan Le Foll <brendan.le.foll@intel.com>
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* Author: Thomas Ingleby <thomas.c.ingleby@intel.com>
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* Copyright (c) 2014 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 <stddef.h>
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#include "maa.h"
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#include "intel_galileo_rev_d.h"
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#include "gpio.h"
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#include "version.h"
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static maa_pininfo_t* pindata;
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static maa_board_t* plat;
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const char *
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maa_get_version()
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{
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return gVERSION;
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}
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maa_result_t
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maa_init()
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{
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/** Once more board definitions have been added,
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* A method for detecting them will need to be devised.
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*/
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plat = maa_intel_galileo_rev_d();
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return MAA_SUCCESS;
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}
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static maa_result_t
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maa_setup_mux_mapped(maa_pininfo_t meta)
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{
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int mi;
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for (mi = 0; mi < meta.mux_total; mi++) {
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maa_gpio_context* mux_i;
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mux_i = maa_gpio_init_raw(meta.mux[mi].pin);
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if (mux_i == NULL)
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return MAA_ERROR_INVALID_HANDLE;
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if (maa_gpio_dir(mux_i, MAA_GPIO_OUT) != MAA_SUCCESS)
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return MAA_ERROR_INVALID_RESOURCE;
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if (maa_gpio_write(mux_i, meta.mux[mi].value) != MAA_SUCCESS)
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return MAA_ERROR_INVALID_RESOURCE;
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}
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return MAA_SUCCESS;
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}
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unsigned int
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maa_check_gpio(int pin)
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{
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if (plat == NULL)
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return -1;
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if (pin < 0 || pin > plat->gpio_count)
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return -1;
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if (plat->pins[pin].mux_total > 0)
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if (maa_setup_mux_mapped(plat->pins[pin]) != MAA_SUCCESS)
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return -1;
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return plat->pins[pin].pin;
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}
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unsigned int
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maa_check_aio(int aio)
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{
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if (plat == NULL)
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return -3;
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if (aio < 0 || aio > plat->aio_count)
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return -1;
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int pin = aio + plat->gpio_count;
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if (plat->pins[pin].mux_total > 0)
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if (maa_setup_mux_mapped(plat->pins[pin]) != MAA_SUCCESS)
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return -2;
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return plat->pins[pin].pin;
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}
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unsigned int
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maa_check_i2c(int bus)
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{
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if (plat == NULL)
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return -3;
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if (plat->i2c_bus_count >! 0) {
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fprintf(stderr, "No i2c buses defined in platform");
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return -1;
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}
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int pin = (plat->gpio_count + plat->aio_count) + bus;
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if (plat->pins[pin].mux_total > 0)
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if (maa_setup_mux_mapped(plat->pins[pin]) != MAA_SUCCESS)
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return -2;
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return plat->pins[pin].pin;
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}
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