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74 lines
1.7 KiB
C
74 lines
1.7 KiB
C
/*
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* Copyright (C) 2015 Freie Universität Berlin
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*
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*/
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/*
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* @ingroup auto_init_saul
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* @{
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*
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* @file
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* @brief Auto initialization of GPIO pins directly mapped to SAUL reg
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*
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* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
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*
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* @}
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*/
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#ifdef MODULE_SAUL_GPIO
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#include "saul_reg.h"
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#include "saul/periph.h"
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#include "gpio_params.h"
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#include "periph/gpio.h"
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#define ENABLE_DEBUG (0)
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#include "debug.h"
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/**
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* @brief Define the number of configured sensors
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*/
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#define SAUL_GPIO_NUMOF (sizeof(saul_gpio_params)/sizeof(saul_gpio_params[0]))
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/**
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* @brief Allocate memory for the device descriptors
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*/
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static gpio_t saul_gpios[SAUL_GPIO_NUMOF];
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/**
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* @brief Memory for the registry entries
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*/
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static saul_reg_t saul_reg_entries[SAUL_GPIO_NUMOF];
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/**
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* @brief Reference the driver struct
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*/
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extern saul_driver_t gpio_saul_driver;
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void auto_init_gpio(void)
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{
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DEBUG("auto init gpio SAUL\n");
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for (unsigned int i = 0; i < SAUL_GPIO_NUMOF; i++) {
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const saul_gpio_params_t *p = &saul_gpio_params[i];
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DEBUG("[auto_init_saul] initializing direct GPIO\n");
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saul_gpios[i] = p->pin;
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saul_reg_entries[i].dev = &(saul_gpios[i]);
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saul_reg_entries[i].name = p->name;
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saul_reg_entries[i].driver = &gpio_saul_driver;
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/* initialize the GPIO pin */
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gpio_init(p->pin, p->mode);
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/* add to registry */
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saul_reg_add(&(saul_reg_entries[i]));
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}
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}
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#else
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typedef int dont_be_pedantic;
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#endif /* MODULE_SAUL_GPIO */
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