Diff: LPS22HB_JS-js.cpp

Revision:

5:e92dbbec30d7

Parent:

4:c2cf5deba40f

Child:

6:a480866ede7e

--- a/LPS22HB_JS-js.cpp	Wed Oct 25 13:58:34 2017 +0200
+++ b/LPS22HB_JS-js.cpp	Tue Oct 31 16:20:09 2017 +0100
@@ -47,11 +47,15 @@
 
 #include "mbed.h"
 
+#ifdef TARGET_SENSOR_TILE
+mbed::Serial pc2((PinName)0x2C, (PinName)0x32);
+#define printf(...) pc2.printf(__VA_ARGS__)
+#endif
+
 /* Class Implementation ------------------------------------------------------*/
 
 /**
  * LPS22HB_JS#destructor
- *
  * Called if/when the LPS22HB_JS is GC'ed.
  */
 void NAME_FOR_CLASS_NATIVE_DESTRUCTOR(LPS22HB_JS)(void *void_ptr) {
@@ -61,18 +65,132 @@
  
 /**
  * Type infomation of the native LPS22HB_JS pointer
- *
- * Set LPS22HB_JS#destructor as the free callback.
+ * Sets LPS22HB_JS#destructor as the free callback.
  */
 static const jerry_object_native_info_t native_obj_type_info = {
     .free_cb = NAME_FOR_CLASS_NATIVE_DESTRUCTOR(LPS22HB_JS)
 };
 
+/**
+ * LPS22HB_JS#init_spi (native JavaScript method)
+ * @brief Initializes the sensor using SPI interface
+ * @param SPI object of helper class which handles the SPI peripheral
+ * @param CS pin
+ * @param INT pin
+ * @param SPI type
+ */
+DECLARE_CLASS_FUNCTION(LPS22HB_JS, init_spi) {
+    CHECK_ARGUMENT_COUNT(LPS22HB_JS, init_spi, (args_count == 2 || args_count == 4));
+    CHECK_ARGUMENT_TYPE_ALWAYS(LPS22HB_JS, init_spi, 0, object);
+    CHECK_ARGUMENT_TYPE_ALWAYS(LPS22HB_JS, init_spi, 1, number);
+    CHECK_ARGUMENT_TYPE_ON_CONDITION(LPS22HB_JS, init_spi, 2, number, args_count == 4);
+    CHECK_ARGUMENT_TYPE_ON_CONDITION(LPS22HB_JS, init_spi, 3, number, args_count == 4);
+
+    // Unwrap native LPS22HB_JS object
+    void *void_ptr;
+    const jerry_object_native_info_t *type_ptr;
+    bool has_ptr = jerry_get_object_native_pointer(this_obj, &void_ptr, &type_ptr);
+
+    if (!has_ptr || type_ptr != &native_obj_type_info) {
+        return jerry_create_error(JERRY_ERROR_TYPE,
+                                  (const jerry_char_t *) "Failed to get native LPS22HB_JS pointer");
+    }
+
+    LPS22HB_JS *native_ptr = static_cast<LPS22HB_JS*>(void_ptr);
+ 
+    // Unwrap arguments
+    void *spi_ptr;
+    const jerry_object_native_info_t *spi_type_ptr;
+    bool spi_has_ptr = jerry_get_object_native_pointer(args[0], &spi_ptr, &spi_type_ptr);
+
+    // Check if we have the spi pointer
+    if (!spi_has_ptr) {
+        printf("Not a SPI input!");
+        return jerry_create_error(JERRY_ERROR_TYPE,
+                                  (const jerry_char_t *) "Failed to get native DigitalOut pointer");
+    }
+
+    // Cast the argument to C++
+    SPI* spi = reinterpret_cast<SPI*>(spi_ptr);
+    int cs_pin = jerry_get_number_value(args[1]);
+    
+    // Call the native function
+    if(args_count == 2){
+        native_ptr->init(*spi, (PinName)cs_pin);
+    }
+    else if(args_count == 4){
+        int int_pin = jerry_get_number_value(args[2]);
+        int spi_type = jerry_get_number_value(args[3]);
+        
+        /* To read string
+        jerry_size_t req_sz = jerry_get_string_size(args[3]);
+        jerry_char_t spi_type[req_sz];
+        jerry_string_to_char_buffer(args[3], spi_type, req_sz);
+        */
+        native_ptr->init(*spi, (PinName)cs_pin, (PinName)int_pin, spi_type);
+    }
+
+    return jerry_create_number(0);
+}
+
+
+/**
+ * LPS22HB_JS#init_i2c (native JavaScript method)
+ * @brief   Initializes the sensor using I2C interface
+ * @param   DevI2c object of helper class which handles the DevI2C peripheral
+ * @param   Address
+ * @param   INT pin
+ */
+DECLARE_CLASS_FUNCTION(LPS22HB_JS, init_i2c) {
+    CHECK_ARGUMENT_COUNT(LPS22HB_JS, init_i2c, (args_count == 1 || args_count == 3));
+    CHECK_ARGUMENT_TYPE_ALWAYS(LPS22HB_JS, init_i2c, 0, object);
+    CHECK_ARGUMENT_TYPE_ON_CONDITION(LPS22HB_JS, init_i2c, 1, number, args_count == 3);
+    CHECK_ARGUMENT_TYPE_ON_CONDITION(LPS22HB_JS, init_i2c, 2, number, args_count == 3);
+    
+    // Unwrap native LPS22HB_JS object
+    void *void_ptr;
+    const jerry_object_native_info_t *type_ptr;
+    bool has_ptr = jerry_get_object_native_pointer(this_obj, &void_ptr, &type_ptr);
+
+    if (!has_ptr || type_ptr != &native_obj_type_info) {
+        return jerry_create_error(JERRY_ERROR_TYPE,
+                                  (const jerry_char_t *) "Failed to get native LPS22HB_JS pointer");
+    }
+
+    LPS22HB_JS *native_ptr = static_cast<LPS22HB_JS*>(void_ptr);
+ 
+    // Unwrap arguments
+    void *i2c_ptr;
+    const jerry_object_native_info_t *i2c_type_ptr;
+    bool i2c_has_ptr = jerry_get_object_native_pointer(args[0], &i2c_ptr, &i2c_type_ptr);
+
+    // Check if we have the i2c pointer
+    if (!i2c_has_ptr) {
+        printf("Not a I2C input!");
+        return jerry_create_error(JERRY_ERROR_TYPE,
+                                  (const jerry_char_t *) "Failed to get native DigitalOut pointer");
+    }
+
+    // Cast the argument to C++
+    DevI2C* i2c = reinterpret_cast<DevI2C*>(i2c_ptr);
+    
+    // Call the native function
+    if(args_count == 1){
+        native_ptr->init(*i2c);
+    }
+    else if(args_count == 3){
+        int address = jerry_get_number_value(args[1]);
+        int int_pin = jerry_get_number_value(args[2]);
+        native_ptr->init(*i2c, (uint8_t) address, (PinName) int_pin);
+    }
+    
+    return jerry_create_number(0);
+}
 
 /**
  * LPS22HB_JS#get_temperature (native JavaScript method)
- *
- * @returns temperature
+ * @brief   Gets the temperature reading
+ * @returns Temperature
  */
 DECLARE_CLASS_FUNCTION(LPS22HB_JS, get_temperature) {
     CHECK_ARGUMENT_COUNT(LPS22HB_JS, get_temperature, (args_count == 0));
@@ -91,22 +209,73 @@
     LPS22HB_JS *native_ptr = static_cast<LPS22HB_JS*>(void_ptr);
  
     // Get the result from the C++ API
-    float result = native_ptr->get_temperature();
+    //float result = native_ptr->get_temperature();
+    
+    char * result = new char[128];
+    result = native_ptr->get_temperature_string(result);
     
-    // Cast it back to JavaScript and return
-    return jerry_create_number(result);
+    //pc.printf("Temperature: %s", result);
+
+    // Cast it back to JavaScript
+    jerry_value_t out = jerry_create_string((unsigned char *)result);
+    
+    printf("temp: %s\n", result);
+   
+    // Recycle the result from function
+    delete result;
+
+    // Return the output
+    return out;
 }
 
 
 /**
+ * LPS22HB_JS#get_temperature_string (native JavaScript method)
+ * @brief   Gets temperature reading in string form
+ * @returns Temperature in string
+ */
+DECLARE_CLASS_FUNCTION(LPS22HB_JS, get_temperature_string) {
+    CHECK_ARGUMENT_COUNT(LPS22HB_JS, get_temperature_string, (args_count == 0));
+ 
+    
+    // Unwrap native LPS22HB_JS object
+    void *void_ptr;
+    const jerry_object_native_info_t *type_ptr;
+    bool has_ptr = jerry_get_object_native_pointer(this_obj, &void_ptr, &type_ptr);
+
+    if (!has_ptr || type_ptr != &native_obj_type_info) {
+        return jerry_create_error(JERRY_ERROR_TYPE,
+                                  (const jerry_char_t *) "Failed to get native LPS22HB_JS pointer");
+    }
+
+    LPS22HB_JS *native_ptr = static_cast<LPS22HB_JS*>(void_ptr);
+ 
+    // Get the result from the C++ API
+    char * result = new char[128];
+    result = native_ptr->get_temperature_string(result);
+    
+    //pc.printf("Temperature: %s", result);
+
+    // Cast it back to JavaScript
+    jerry_value_t out = jerry_create_string((unsigned char *)result);
+    
+    printf("temp: %s\n", result);
+   
+    // Recycle the result from function
+    delete result;
+
+    // Return the output
+    return out;
+}
+
+/**
  * LPS22HB_JS#get_pressure (native JavaScript method)
- *
- * @returns pressure
+ * @brief   Gets the pressure reading
+ * @returns Pressure
  */
 DECLARE_CLASS_FUNCTION(LPS22HB_JS, get_pressure) {
     CHECK_ARGUMENT_COUNT(LPS22HB_JS, get_pressure, (args_count == 0));
  
-    
     // Unwrap native LPS22HB_JS object
     void *void_ptr;
     const jerry_object_native_info_t *type_ptr;
@@ -122,43 +291,71 @@
     // Get the result from the C++ API
     float result = native_ptr->get_pressure();
     
+    printf("pressure: %f\n", result);
+   
     // Cast it back to JavaScript and return
     return jerry_create_number(result);
 }
 
+
+/**
+ * LPS22HB_JS#get_pressure_string (native JavaScript method)
+ * @brief   Gets the pressure reading in string form
+ * @returns Pressure
+ */
+DECLARE_CLASS_FUNCTION(LPS22HB_JS, get_pressure_string) {
+    CHECK_ARGUMENT_COUNT(LPS22HB_JS, get_pressure_string, (args_count == 0));
+ 
+    
+    // Unwrap native LPS22HB_JS object
+    void *void_ptr;
+    const jerry_object_native_info_t *type_ptr;
+    bool has_ptr = jerry_get_object_native_pointer(this_obj, &void_ptr, &type_ptr);
+
+    if (!has_ptr || type_ptr != &native_obj_type_info) {
+        return jerry_create_error(JERRY_ERROR_TYPE,
+                                  (const jerry_char_t *) "Failed to get native LPS22HB_JS pointer");
+    }
+
+    LPS22HB_JS *native_ptr = static_cast<LPS22HB_JS*>(void_ptr);
+ 
+    char * result = new char[128];
+    result = native_ptr->get_pressure_string(result);
+    
+    // Cast it back to JavaScript
+    jerry_value_t out = jerry_create_string((unsigned char *)result);
+    
+    printf("pressure: %s\n", result);
+   
+    // Recycle the result from function
+    delete result;
+
+    // Return the output
+    return out;
+}
+
 /**
  * LPS22HB_JS (native JavaScript constructor)
- *
+ * @brief   Constructor for Javascript wrapper
  * @returns a JavaScript object representing LPS22HB_JS.
  */
 DECLARE_CLASS_CONSTRUCTOR(LPS22HB_JS) {
-    CHECK_ARGUMENT_COUNT(LPS22HB_JS, __constructor, args_count == 1);
-    CHECK_ARGUMENT_TYPE_ALWAYS(LPS22HB_JS, __constructor, 0, object);
-    
-    // Unwrap native LPS22HB_JS object
-    void *devI2c_ptr;
-    const jerry_object_native_info_t *devI2c_type_ptr;
-    bool devI2c_has_ptr = jerry_get_object_native_pointer(args[0], &devI2c_ptr, &devI2c_type_ptr);
-
-    // Check if we have the devI2c pointer
-    if (!devI2c_has_ptr) {
-        printf("Not a DevI2C input!");
-        return jerry_create_error(JERRY_ERROR_TYPE,
-                                  (const jerry_char_t *) "Failed to get native DigitalOut pointer");
-    }
-
-    // Cast the argument to C++
-    DevI2C* devI2c = reinterpret_cast<DevI2C*>(devI2c_ptr);
+    CHECK_ARGUMENT_COUNT(LPS22HB_JS, __constructor, args_count == 0);
+    //pc.printf("constructor called!\n");
     
     // Extract native LPS22HB_JS pointer (from this object) 
-    LPS22HB_JS *native_ptr = new LPS22HB_JS(*devI2c);
+    LPS22HB_JS *native_ptr = new LPS22HB_JS();
 
     jerry_value_t js_object = jerry_create_object();
     jerry_set_object_native_pointer(js_object, native_ptr, &native_obj_type_info);
 
     // attach methods
+    ATTACH_CLASS_FUNCTION(js_object, LPS22HB_JS, init_spi);
+    ATTACH_CLASS_FUNCTION(js_object, LPS22HB_JS, init_i2c);
     ATTACH_CLASS_FUNCTION(js_object, LPS22HB_JS, get_temperature);
+    ATTACH_CLASS_FUNCTION(js_object, LPS22HB_JS, get_temperature_string);
     ATTACH_CLASS_FUNCTION(js_object, LPS22HB_JS, get_pressure);
+    ATTACH_CLASS_FUNCTION(js_object, LPS22HB_JS, get_pressure_string);
     
     return js_object;
-}
\ No newline at end of file
+}