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kaiwakaiwa
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Adding the extension code
1 parent 3df64c3 commit 95f2511

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‎config.m4‎

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PHP_ARG_WITH(ftdi, whether to enable ftdi support,
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[ --with-ftdi[=DIR] Enable ftdi support. DIR is the prefix to libftdi installation directory.], yes)
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if test "$PHP_FTDI" != "no"; then
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dnl Get PHP version depending on shared/static build
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AC_MSG_CHECKING([PHP version is at least 5.2.0])
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if test -z "${PHP_VERSION_ID}"; then
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if test -z "${PHP_CONFIG}"; then
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AC_MSG_ERROR([php-config not found])
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fi
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PHP_FTDI_FOUND_VERNUM=`${PHP_CONFIG} --vernum`;
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PHP_FTDI_FOUND_VERSION=`${PHP_CONFIG} --version`
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else
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PHP_FTDI_FOUND_VERNUM="${PHP_VERSION_ID}"
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PHP_FTDI_FOUND_VERSION="${PHP_VERSION}"
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fi
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if test "$PHP_FTDI_FOUND_VERNUM" -ge "50200"; then
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AC_MSG_RESULT(yes. found $PHP_FTDI_FOUND_VERSION)
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else
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AC_MSG_ERROR(no. found $PHP_FTDI_FOUND_VERSION)
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fi
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AC_MSG_CHECKING([for ftdi.h header])
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for i in $PHP_FTDI /usr/local /usr;
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do
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test -r $i/include/ftdi.h && FTDI_PREFIX=$i && FTDI_INC_DIR=$i/include/ && FTDI_OK=1
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done
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if test "$FTDI_OK" != "1"; then
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AC_MSG_ERROR([Unable to find ftdi.h])
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fi
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AC_MSG_RESULT([found in $FTDI_INC_DIR])
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AC_MSG_CHECKING([for libftdi shared libraries])
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PHP_CHECK_LIBRARY(ftdi, ftdi_init, [
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PHP_ADD_LIBRARY_WITH_PATH(ftdi, $FTDI_PREFIX/lib, FTDI_SHARED_LIBADD)
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PHP_ADD_INCLUDE($FTDI_INC_DIR)
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],[
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AC_MSG_ERROR([not found. Make sure that libftdi is installed])
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],[
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FTDI_SHARED_LIBADD -lftdi
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])
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PHP_NEW_EXTENSION(ftdi, ftdi.c, $ext_shared)
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AC_DEFINE(HAVE_FTDI,1,[ ])
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PHP_SUBST(FTDI_SHARED_LIBADD)
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fi
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‎examples/Ftdi/UsbDevice.php‎

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<?php
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namespace Ftdi;
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class UsbDevice()
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{
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const BITMODE_BITBANG = FTDI_BITMODE_BITBANG;
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const BITMODE_CBUS = FTDI_BITMODE_CBUS;
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const BITMODE_MCU = FTDI_BITMODE_MCU;
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const BITMODE_OPTO = FTDI_BITMODE_OPTO;
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const BITMODE_RESET = FTDI_BITMODE_RESET;
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const BITMODE_SYNCBB = FTDI_BITMODE_SYNCBB;
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const BITMODE_SYNCFF = FTDI_BITMODE_SYNCFF;
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protected $vendorId, $productId;
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public function __construct($vendorId, $productId)
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{
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$this->vendorId = $vendorId;
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$this->productId = $productId;
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$this->handle = ftdi_init();
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}
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public function setBitMode($mask, $mode)
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{
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ftdi_set_bitmode($this->handle, $mask, $mode);
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}
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public function write($data)
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{
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ftdi_write_data($this->handle, $data);
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}
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public function __destruct()
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{
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ftdi_usb_close($this->handle);
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}
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}

‎examples/simple.php‎

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<?php
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try {
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$ftdi = ftdi_init();
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ftdi_usb_open($ftdi, 0x0403, 0x6001);
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ftdi_set_bitmode($ftdi, 0xff, FTDI_BITMODE_BITBANG);
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ftdi_write_data($ftdi, 0);
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} catch (Exception $e) {
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var_dump($e);
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}
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‎ftdi.c‎

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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "php.h"
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#include "php_ini.h"
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#include <ftdi.h>
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#include "php_ftdi.h"
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/* resource list entry */
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static int le_php_ftdi_context;
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/* exception class entry */
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static zend_class_entry *php_ftdi_exception_sc_entry;
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/* resource destructor */
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static void php_ftdi_context_dtor(zend_rsrc_list_entry *rsrc TSRMLS_DC)
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{
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struct ftdi_context *context = (struct ftdi_context*) rsrc->ptr;
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if (context) {
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ftdi_usb_close(context);
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ftdi_free(context);
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}
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}
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ZEND_MINIT_FUNCTION(php_ftdi) {
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le_php_ftdi_context = zend_register_list_destructors_ex(
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php_ftdi_context_dtor, NULL, PHP_FTDI_CONTEXT_RES_NAME, module_number
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);
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REGISTER_LONG_CONSTANT("FTDI_BITMODE_BITBANG", BITMODE_BITBANG, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("FTDI_BITMODE_CBUS", BITMODE_CBUS, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("FTDI_BITMODE_MCU", BITMODE_MCU, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("FTDI_BITMODE_MPSSE", BITMODE_MPSSE, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("FTDI_BITMODE_OPTO", BITMODE_OPTO, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("FTDI_BITMODE_RESET", BITMODE_RESET, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("FTDI_BITMODE_SYNCBB", BITMODE_SYNCBB, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("FTDI_BITMODE_SYNCFF", BITMODE_SYNCFF, CONST_CS | CONST_PERSISTENT);
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return SUCCESS;
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}
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ZEND_NAMED_FUNCTION(php_ftdi_init)
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{
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struct ftdi_context *context = ftdi_new();
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int resource_id;
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ftdi_init(context);
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resource_id = ZEND_REGISTER_RESOURCE(return_value, context, le_php_ftdi_context);
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unsigned char data = 64;
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RETURN_RESOURCE(resource_id);
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}
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ZEND_NAMED_FUNCTION(php_ftdi_usb_open)
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{
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struct ftdi_context *context;
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long vendor_id = 0;
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long product_id = 0;
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zval *zcontext;
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int ret = -1;
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if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rll", &zcontext, &vendor_id, &product_id) == FAILURE) {
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return;
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}
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ZEND_FETCH_RESOURCE(context, struct ftdi_context*, &zcontext, -1, PHP_FTDI_CONTEXT_RES_NAME, le_php_ftdi_context);
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ret = ftdi_usb_open(context, vendor_id, product_id);
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if (ret != 0) {
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PHP_FTDI_THROW(context, ret);
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}
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RETURN_LONG((long) ret);
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}
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ZEND_NAMED_FUNCTION(php_ftdi_usb_close)
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{
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struct ftdi_context *context;
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zval *zcontext;
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int ret = -1;
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if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &zcontext) == FAILURE) {
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return;
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}
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ZEND_FETCH_RESOURCE(context, struct ftdi_context*, &zcontext, -1, PHP_FTDI_CONTEXT_RES_NAME, le_php_ftdi_context);
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ret = ftdi_usb_close(context);
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if (ret != 0) {
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PHP_FTDI_THROW(context, ret);
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}
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RETURN_LONG((long) ret);
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}
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ZEND_NAMED_FUNCTION(php_ftdi_set_bitmode)
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{
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struct ftdi_context *context;
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long bitmask;
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long mode;
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zval *zcontext;
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int ret = -1;
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if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rll", &zcontext, &bitmask, &mode) == FAILURE) {
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return;
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}
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ZEND_FETCH_RESOURCE(context, struct ftdi_context*, &zcontext, -1, PHP_FTDI_CONTEXT_RES_NAME, le_php_ftdi_context);
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ret = ftdi_set_bitmode(context, bitmask, mode);
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if (ret != 0) {
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PHP_FTDI_THROW(context, ret);
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}
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RETURN_LONG((long) ret);
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}
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ZEND_NAMED_FUNCTION(php_ftdi_free)
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{
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struct ftdi_context *context;
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zval *zcontext;
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if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rll", &zcontext) == FAILURE) {
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return;
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}
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ZEND_FETCH_RESOURCE(context, struct ftdi_context*, &zcontext, -1, PHP_FTDI_CONTEXT_RES_NAME, le_php_ftdi_context);
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ftdi_free(context);
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}
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ZEND_NAMED_FUNCTION(php_ftdi_write_data)
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{
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struct ftdi_context *context;
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long *buf = NULL;
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int ret = -1;
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zval *zcontext;
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unsigned char data;
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if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl", &zcontext, &buf) == FAILURE) {
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return;
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}
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data = (unsigned char) (long) buf;
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ZEND_FETCH_RESOURCE(context, struct ftdi_context*, &zcontext, -1, PHP_FTDI_CONTEXT_RES_NAME, le_php_ftdi_context);
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/* -666 device unavailable, <0 error code from usb_bulk_write, >0 number of bytes written */
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ret = ftdi_write_data(context, &data, sizeof(data));
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if (ret < 0) {
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PHP_FTDI_THROW(context, ret);
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}
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RETURN_LONG((long) ret);
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}
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zend_function_entry php_ftdi_functions[] = {
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ZEND_NAMED_FE(ftdi_init, php_ftdi_init, NULL)
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ZEND_NAMED_FE(ftdi_usb_open, php_ftdi_usb_open, NULL)
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ZEND_NAMED_FE(ftdi_usb_close, php_ftdi_usb_close, NULL)
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ZEND_NAMED_FE(ftdi_set_bitmode, php_ftdi_set_bitmode, NULL)
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ZEND_NAMED_FE(ftdi_write_data, php_ftdi_write_data, NULL)
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ZEND_NAMED_FE(ftdi_free, php_ftdi_free, NULL)
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{ NULL, NULL, NULL }
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};
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zend_module_entry php_ftdi_module_entry = {
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STANDARD_MODULE_HEADER,
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PHP_FTDI_EXTNAME,
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php_ftdi_functions,
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PHP_MINIT(php_ftdi),
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NULL,
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NULL,
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NULL,
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NULL,
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PHP_FTDI_VERSION,
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STANDARD_MODULE_PROPERTIES
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};
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ZEND_GET_MODULE(php_ftdi)

‎php_ftdi.h‎

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#ifndef PHP_FTDI_H
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#define PHP_FTDI_H 1
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#define PHP_FTDI_EXTNAME "ftdi"
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#define PHP_FTDI_VERSION "0.01"
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#define PHP_FTDI_CONTEXT_RES_NAME "FTDIContext"
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extern zend_module_entry php_ftdi_module_entry;
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#define phpext_ftdi_ptr &php_ftdi_module_entry
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#define PHP_FTDI_THROW(context, code) \
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zend_throw_exception(php_ftdi_exception_sc_entry, ftdi_get_error_string(context), (long)code TSRMLS_CC); \
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return;
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#endif

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