Zoltan Herczeg
112ad83aaa
Instead of a fixed number of arguments, a call info structure is passed to the handlers, which can be extended in the future without breaknig the API. This structure holds new.target value, so its getter function is removed. JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
113 lines
3.6 KiB
C++
113 lines
3.6 KiB
C++
/* Copyright JS Foundation and other contributors, http://js.foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "jerryscript-mbed-util/logging.h"
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#include "jerryscript-mbed-library-registry/wrap_tools.h"
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#include "mbed.h"
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/**
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* AnalogIn#destructor
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*
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* Called if/when the AnalogIn is GC'ed.
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*/
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void NAME_FOR_CLASS_NATIVE_DESTRUCTOR(AnalogIn)(void* void_ptr) {
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delete static_cast<AnalogIn*>(void_ptr);
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}
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/**
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* Type infomation of the native AnalogIn pointer
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*
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* Set AnalogIn#destructor as the free callback.
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*/
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static const jerry_object_native_info_t native_obj_type_info = {
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.free_cb = NAME_FOR_CLASS_NATIVE_DESTRUCTOR(AnalogIn)
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};
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/**
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* AnalogIn#read (native JavaScript method)
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*
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* Read the input voltage, represented as a float in the range [0.0, 1.0]
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*
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* @returns A floating-point value representing the current input voltage, measured as a percentage
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*/
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DECLARE_CLASS_FUNCTION(AnalogIn, read) {
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CHECK_ARGUMENT_COUNT(AnalogIn, read, (args_count == 0));
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// Extract native AnalogIn pointer
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void* void_ptr;
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bool has_ptr = jerry_get_object_native_pointer(call_info_p->this_value, &void_ptr, &native_obj_type_info);
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if (!has_ptr) {
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return jerry_create_error(JERRY_ERROR_TYPE,
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(const jerry_char_t *) "Failed to get native AnalogIn pointer");
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}
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AnalogIn* native_ptr = static_cast<AnalogIn*>(void_ptr);
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float result = native_ptr->read();
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return jerry_create_number(result);
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}
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/**
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* AnalogIn#read_u16 (native JavaScript method)
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*
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* Read the input voltage, represented as an unsigned short in the range [0x0, 0xFFFF]
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*
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* @returns 16-bit unsigned short representing the current input voltage, normalised to a 16-bit value
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*/
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DECLARE_CLASS_FUNCTION(AnalogIn, read_u16) {
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CHECK_ARGUMENT_COUNT(AnalogIn, read_u16, (args_count == 0));
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// Extract native AnalogIn pointer
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void* void_ptr;
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bool has_ptr = jerry_get_object_native_pointer(call_info_p->this_value, &void_ptr, &native_obj_type_info);
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if (!has_ptr) {
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return jerry_create_error(JERRY_ERROR_TYPE,
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(const jerry_char_t *) "Failed to get native AnalogIn pointer");
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}
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AnalogIn* native_ptr = static_cast<AnalogIn*>(void_ptr);
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uint16_t result = native_ptr->read_u16();
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return jerry_create_number(result);
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}
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/**
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* AnalogIn (native JavaScript constructor)
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*
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* @param pin_name mbed pin to connect the AnalogIn to.
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* @returns a JavaScript object representing a AnalogIn.
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*/
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DECLARE_CLASS_CONSTRUCTOR(AnalogIn) {
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CHECK_ARGUMENT_COUNT(AnalogIn, __constructor, args_count == 1);
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CHECK_ARGUMENT_TYPE_ALWAYS(AnalogIn, __constructor, 0, number);
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PinName pin_name = PinName(jerry_get_number_value(args[0]));
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// create native object
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AnalogIn* native_ptr = new AnalogIn(pin_name);
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// create the jerryscript object
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jerry_value_t js_object = jerry_create_object();
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jerry_set_object_native_pointer(js_object, native_ptr, &native_obj_type_info);
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// attach methods
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ATTACH_CLASS_FUNCTION(js_object, AnalogIn, read);
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ATTACH_CLASS_FUNCTION(js_object, AnalogIn, read_u16);
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return js_object;
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}
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