Diff: SPI-js.cpp

Revision:

0:3a79326cadb9

Child:

1:1e016cfcd06f

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SPI-js.cpp	Tue Oct 31 16:15:12 2017 +0100
@@ -0,0 +1,103 @@
+/**
+ ******************************************************************************
+ * @file    LSM6DSL_JS-js.cpp
+ * @author  ST
+ * @version V1.0.0
+ * @date    25 October 2017
+ * @brief   Implementation of an LSM6DSL Accelerometer and gyroscope sensor for
+ *          use with Javascript.
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *   1. Redistributions of source code must retain the above copyright notice,
+ *      this list of conditions and the following disclaimer.
+ *   2. Redistributions in binary form must reproduce the above copyright notice,
+ *      this list of conditions and the following disclaimer in the documentation
+ *      and/or other materials provided with the distribution.
+ *   3. Neither the name of STMicroelectronics nor the names of its contributors
+ *      may be used to endorse or promote products derived from this software
+ *      without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ ******************************************************************************
+ */
+
+
+/* Includes ------------------------------------------------------------------*/
+
+#include "jerryscript-mbed-util/logging.h"
+#include "jerryscript-mbed-library-registry/wrap_tools.h"
+
+// Load the library that we'll wrap
+#include "SPI.h"
+    
+#include "mbed.h"
+
+/* Class Implementation ------------------------------------------------------*/
+
+/**
+ * SPI#destructor
+ *
+ * Called if/when the SPI object is GC'ed.
+ */
+void NAME_FOR_CLASS_NATIVE_DESTRUCTOR(SPI) (void *void_ptr) {
+    delete static_cast<SPI*>(void_ptr);
+}
+
+/**
+ * Type infomation of the native SPI pointer
+ *
+ * Set SPI#destructor as the free callback.
+ */
+static const jerry_object_native_info_t native_obj_type_info = {
+    .free_cb = NAME_FOR_CLASS_NATIVE_DESTRUCTOR(SPI)
+};
+
+/**
+ * SPI (native JavaScript constructor)
+ *
+ * @param sda mbed pin for SPI data
+ * @param scl mbed pin for SPI clock
+ * @returns a JavaScript object representing the SPI bus.
+ */
+DECLARE_CLASS_CONSTRUCTOR(SPI) {
+    CHECK_ARGUMENT_COUNT(SPI, __constructor, (args_count == 3));
+    CHECK_ARGUMENT_TYPE_ALWAYS(SPI, __constructor, 0, number);
+    CHECK_ARGUMENT_TYPE_ALWAYS(SPI, __constructor, 1, number);
+    CHECK_ARGUMENT_TYPE_ALWAYS(SPI, __constructor, 2, number);
+
+    int mosi = jerry_get_number_value(args[0]);
+    int miso = jerry_get_number_value(args[1]);
+    int sclk = jerry_get_number_value(args[2]);
+
+    SPI *native_ptr = new SPI((PinName)mosi, (PinName)miso, (PinName)sclk);
+    
+    jerry_value_t js_object = jerry_create_object();
+    jerry_set_object_native_pointer(js_object, native_ptr, &native_obj_type_info);
+    
+    /*
+    //Future upgrades
+    ATTACH_CLASS_FUNCTION(js_object, SPI, frequency);
+    ATTACH_CLASS_FUNCTION(js_object, SPI, read);
+    ATTACH_CLASS_FUNCTION(js_object, SPI, write);
+    ATTACH_CLASS_FUNCTION(js_object, SPI, start);
+    ATTACH_CLASS_FUNCTION(js_object, SPI, stop);
+    */
+    
+    return js_object;
+
+}