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phpgpio.c
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/*
+----------------------------------------------------------------------+
| Copyright (c) The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Flavio Heleno <https://github.com/flavioheleno> |
+----------------------------------------------------------------------+
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "php.h"
#include "ext/standard/info.h"
#include "phpgpio.h"
#include "phpgpio_arginfo.h"
#include "src/line.h"
#include "src/bulk.h"
#include "src/exception.h"
#include "src/chip.h"
#include <gpiod.h>
/* For compatibility with older PHP versions */
#ifndef ZEND_PARSE_PARAMETERS_NONE
#define ZEND_PARSE_PARAMETERS_NONE() \
ZEND_PARSE_PARAMETERS_START(0, 0) \
ZEND_PARSE_PARAMETERS_END()
#endif
/* Class entry pointers (global resources) */
zend_class_entry *zceChip;
zend_class_entry *zceException;
zend_class_entry *zceLine;
zend_class_entry *zceBulk;
/* {{{ PHP_RINIT_FUNCTION */
PHP_RINIT_FUNCTION(phpgpio) {
#if defined(ZTS) && defined(COMPILE_DL_PHPGPIO)
ZEND_TSRMLS_CACHE_UPDATE();
#endif
return SUCCESS;
}
/* }}} */
/* {{{ PHP_MINIT_FUNCTION */
PHP_MINIT_FUNCTION(phpgpio) {
/* Extension constants */
REGISTER_STRING_CONSTANT("GPIO\\EXTENSION_VERSION", PHP_PHPGPIO_VERSION, CONST_CS | CONST_PERSISTENT);
REGISTER_STRING_CONSTANT("GPIO\\LIBRARY_VERSION", gpiod_version_string(), CONST_CS | CONST_PERSISTENT);
/* Possible internal bias settings. */
REGISTER_LONG_CONSTANT("GPIO\\BIAS_UNKNOWN", GPIOD_LINE_BIAS_UNKNOWN, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("GPIO\\BIAS_DISABLED", GPIOD_LINE_BIAS_DISABLED, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("GPIO\\BIAS_PULL_UP", GPIOD_LINE_BIAS_PULL_UP, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("GPIO\\BIAS_PULL_DOWN", GPIOD_LINE_BIAS_PULL_DOWN, CONST_CS | CONST_PERSISTENT);
/* Possible direction settings. */
REGISTER_LONG_CONSTANT("GPIO\\DIRECTION_INPUT", GPIOD_LINE_DIRECTION_INPUT, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("GPIO\\DIRECTION_OUTPUT", GPIOD_LINE_DIRECTION_OUTPUT, CONST_CS | CONST_PERSISTENT);
/* Possible drive settings. */
REGISTER_LONG_CONSTANT("GPIO\\DRIVE_PUSH_PULL", GPIOD_LINE_DRIVE_PUSH_PULL, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("GPIO\\DRIVE_OPEN_DRAIN", GPIOD_LINE_DRIVE_OPEN_DRAIN, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("GPIO\\DRIVE_OPEN_SOURCE", GPIOD_LINE_DRIVE_OPEN_SOURCE, CONST_CS | CONST_PERSISTENT);
/* Available types of requests. */
REGISTER_LONG_CONSTANT("GPIO\\REQUEST_DIRECTION_AS_IS", GPIOD_LINE_REQUEST_DIRECTION_AS_IS, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("GPIO\\REQUEST_DIRECTION_INPUT", GPIOD_LINE_REQUEST_DIRECTION_INPUT, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("GPIO\\REQUEST_DIRECTION_OUTPUT", GPIOD_LINE_REQUEST_DIRECTION_OUTPUT, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("GPIO\\REQUEST_EVENT_FALLING_EDGE", GPIOD_LINE_REQUEST_EVENT_FALLING_EDGE, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("GPIO\\REQUEST_EVENT_RISING_EDGE", GPIOD_LINE_REQUEST_EVENT_RISING_EDGE, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("GPIO\\REQUEST_EVENT_BOTH_EDGES", GPIOD_LINE_REQUEST_EVENT_BOTH_EDGES, CONST_CS | CONST_PERSISTENT);
/* Miscellaneous GPIO request flags. */
REGISTER_LONG_CONSTANT("GPIO\\REQUEST_FLAG_NONE", 0, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("GPIO\\REQUEST_FLAG_OPEN_DRAIN", GPIOD_LINE_REQUEST_FLAG_OPEN_DRAIN, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("GPIO\\REQUEST_FLAG_OPEN_SOURCE", GPIOD_LINE_REQUEST_FLAG_OPEN_SOURCE, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("GPIO\\REQUEST_FLAG_ACTIVE_LOW", GPIOD_LINE_REQUEST_FLAG_ACTIVE_LOW, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("GPIO\\REQUEST_FLAG_BIAS_DISABLED", GPIOD_LINE_REQUEST_FLAG_BIAS_DISABLED, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("GPIO\\REQUEST_FLAG_BIAS_PULL_DOWN", GPIOD_LINE_REQUEST_FLAG_BIAS_PULL_DOWN, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("GPIO\\REQUEST_FLAG_BIAS_PULL_UP", GPIOD_LINE_REQUEST_FLAG_BIAS_PULL_UP, CONST_CS | CONST_PERSISTENT);
/* Event types. */
REGISTER_LONG_CONSTANT("GPIO\\EVENT_RISING_EDGE", GPIOD_LINE_EVENT_RISING_EDGE, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("GPIO\\EVENT_FALLING_EDGE", GPIOD_LINE_EVENT_FALLING_EDGE, CONST_CS | CONST_PERSISTENT);
/* Class Registration (from each *.h file) */
zceLine = registerLineClass();
zceBulk = registerBulkClass();
zceException = registerExceptionClass();
zceChip = registerChipClass();
return SUCCESS;
}
/* }}} */
/* {{{ PHP_MINFO_FUNCTION */
PHP_MINFO_FUNCTION(phpgpio) {
php_info_print_table_start();
php_info_print_table_header(2, "phpgpio support", "enabled");
php_info_print_table_row(2, "Extension version", PHP_PHPGPIO_VERSION);
php_info_print_table_row(2, "Library version", gpiod_version_string());
php_info_print_table_end();
}
/* }}} */
/* {{{ phpgpio_module_entry */
zend_module_entry phpgpio_module_entry = {
STANDARD_MODULE_HEADER,
PHP_PHPGPIO_EXTNAME, /* Extension name */
NULL, /* zend_function_entry */
PHP_MINIT(phpgpio), /* PHP_MINIT - Module initialization */
NULL, /* PHP_MSHUTDOWN - Module shutdown */
PHP_RINIT(phpgpio), /* PHP_RINIT - Request initialization */
NULL, /* PHP_RSHUTDOWN - Request shutdown */
PHP_MINFO(phpgpio), /* PHP_MINFO - Module info */
PHP_PHPGPIO_VERSION, /* Version */
STANDARD_MODULE_PROPERTIES
};
/* }}} */
#ifdef COMPILE_DL_PHPGPIO
#ifdef ZTS
ZEND_TSRMLS_CACHE_DEFINE()
#endif
ZEND_GET_MODULE(phpgpio)
#endif