java: added callback functionality

Signed-off-by: Stefan Andritoiu <stefan.andritoiu@intel.com>
Signed-off-by: Andrei Vasiliu <andrei.vasiliu@intel.com>
Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>

src/IsrCallback.h

@@ -0,0 +1,23 @@
+#pragma once
+
+#ifdef SWIGJAVA
+class IsrCallback
+{
+  public:
+    virtual ~IsrCallback()
+    {
+    }
+    virtual void run()
+    { /* empty, overloaded in Java*/
+    }
+
+  private:
+};
+
+
+static void generic_callback_isr (void* data)
+{
+    IsrCallback* callback = (IsrCallback*) data;
+    callback->run();
+}
+#endif

src/ad8232/ad8232.h

@@ -26,7 +26,14 @@
 #include <stdint.h>
 #include <sys/time.h>
 
+#ifdef SWIGJAVA
+#undef SWIGJAVA
 #include <mraa/gpio.hpp>
+#define SWIGJAVA
+#else
+#include <mraa/gpio.hpp>
+#endif
+
 #include <mraa/aio.hpp>
 
 #define AD8232_DEFAULT_AREF  3.3

src/lcd/eboled.h

@@ -25,7 +25,15 @@
 
 #include <string>
 #include <mraa/spi.hpp>
+
+#ifdef SWIGJAVA
+#undef SWIGJAVA
 #include <mraa/gpio.hpp>
+#define SWIGJAVA
+#else
+#include <mraa/gpio.hpp>
+#endif
+
 #include "lcd.h"
 #include "ssd.h"
 

src/lcd/javaupm_i2clcd.i

@@ -7,24 +7,15 @@
 %apply unsigned char[] {uint8_t *};
 %apply uint8_t *OUTPUT { uint8_t *data };
 
-%include "ssd.h"
-%{
-    #include "ssd.h"
-%}
 
 %include "lcd.h"
 %{
     #include "lcd.h"
 %}
 
-%include "jhd1313m1.h"
+%include "ssd.h"
 %{
-    #include "jhd1313m1.h"
-%}
-
-%include "lcm1602.h"
-%{
-    #include "lcm1602.h"
+    #include "ssd.h"
 %}
 
 %include "ssd1327.h"
@@ -37,13 +28,24 @@
     #include "ssd1308.h"
 %}
 
-%include "sainsmartks.h"
-%{
-    #include "sainsmartks.h"
-%}
-
 %include "eboled.h"
 %{
     #include "eboled.h"
 %}
 
+%include "lcm1602.h"
+%{
+    #include "lcm1602.h"
+%}
+
+%include "jhd1313m1.h"
+%{
+    #include "jhd1313m1.h"
+%}
+
+%include "sainsmartks.h"
+%{
+    #include "sainsmartks.h"
+%}
+
+

src/lcd/lcm1602.h

@@ -34,7 +34,16 @@
 
 #include <string>
 #include <mraa/i2c.hpp>
+
+#ifdef SWIGJAVA
+#undef SWIGJAVA
 #include <mraa/gpio.hpp>
+#define SWIGJAVA
+#else
+#include <mraa/gpio.hpp>
+#endif
+
+
 #include "lcd.h"
 
 namespace upm

src/lsm9ds0/javaupm_lsm9ds0.i

@@ -4,10 +4,15 @@
 %include "typemaps.i"
 %include "arrays_java.i";
 
+%feature("director") IsrCallback;
+
+%ignore generic_callback_isr;
+%include "../IsrCallback.h"
+
+%apply int {mraa::Edge};
 %apply float *INOUT { float *x, float *y, float *z };
 %apply unsigned char[] {uint8_t *buf};
 
-%include "lsm9ds0.h"
 %{
     #include "lsm9ds0.h"
 %}

src/lsm9ds0/lsm9ds0.cxx

@@ -699,6 +699,15 @@ uint8_t LSM9DS0::getInterruptGen2Src()
   return readReg(DEV_XM, REG_INT_GEN_2_SRC);
 }
 
+#ifdef SWIGJAVA
+void LSM9DS0::installISR(INTERRUPT_PINS_T intr, int gpio, mraa::Edge level,
+			 IsrCallback *cb)
+{
+        installISR(intr, gpio, level, generic_callback_isr, cb);
+}
+#endif
+
+
 void LSM9DS0::installISR(INTERRUPT_PINS_T intr, int gpio, mraa::Edge level, 
                          void (*isr)(void *), void *arg)
 {

src/lsm9ds0/lsm9ds0.h

@@ -25,7 +25,19 @@
 
 #include <string>
 #include <mraa/i2c.hpp>
+
+#ifdef SWIGJAVA
+#undef SWIGJAVA
 #include <mraa/gpio.hpp>
+#define SWIGJAVA
+#else
+#include <mraa/gpio.hpp>
+#endif
+
+#ifdef SWIGJAVA
+#include "../IsrCallback.h"
+#endif
+
 
 #define LSM9DS0_I2C_BUS 1
 #define LSM9DS0_DEFAULT_XM_ADDR 0x1d
@@ -1382,6 +1394,10 @@ namespace upm {
      */
     uint8_t getInterruptGen2Src();
 
+#ifdef SWIGJAVA
+    void installISR(INTERRUPT_PINS_T intr, int gpio, mraa::Edge level,
+		    IsrCallback *cb);
+#else
     /**
      * install an interrupt handler.
      *
@@ -1396,7 +1412,7 @@ namespace upm {
      */
     void installISR(INTERRUPT_PINS_T intr, int gpio, mraa::Edge level, 
                     void (*isr)(void *), void *arg);
-
+#endif
     /**
      * uninstall a previously installed interrupt handler
      *
@@ -1431,6 +1447,11 @@ namespace upm {
   private:
     // OR'd with a register, this enables register autoincrement mode,
     // which we need.
+#ifdef SWIGJAVA
+    void installISR(INTERRUPT_PINS_T intr, int gpio, mraa::Edge level,
+                    void (*isr)(void *), void *arg);
+#endif
+
     static const uint8_t m_autoIncrementMode = 0x80;
 
     mraa::I2c m_i2cG;

src/mpu9150/mpu60x0.h

@@ -25,7 +25,14 @@
 
 #include <string>
 #include <mraa/i2c.hpp>
+
+#ifdef SWIGJAVA
+#undef SWIGJAVA
 #include <mraa/gpio.hpp>
+#define SWIGJAVA
+#else
+#include <mraa/gpio.hpp>
+#endif
 
 #define MPU60X0_I2C_BUS 0
 #define MPU60X0_DEFAULT_I2C_ADDR 0x68

src/pn532/pn532.h

@@ -32,7 +32,15 @@
 #include <string.h>
 #include <string>
 #include <mraa/i2c.hpp>
+
+#ifdef SWIGJAVA
+#undef SWIGJAVA
 #include <mraa/gpio.hpp>
+#define SWIGJAVA
+#else
+#include <mraa/gpio.hpp>
+#endif
+
 
 #define PN532_I2C_BUS 0
 #define PN532_DEFAULT_I2C_ADDR (0x48 >> 1)

src/rgbringcoder/rgbringcoder.h

@@ -27,7 +27,15 @@
 #include <string>
 #include <stdint.h>
 #include <unistd.h>
+
+#ifdef SWIGJAVA
+#undef SWIGJAVA
 #include <mraa/gpio.hpp>
+#define SWIGJAVA
+#else
+#include <mraa/gpio.hpp>
+#endif
+
 #include <mraa/pwm.hpp>
 
 

src/rpr220/javaupm_rpr220.i

@@ -1,8 +1,13 @@
 %module javaupm_rpr220
 %include "../upm.i"
 
+
+%feature("director") IsrCallback;
+
+%ignore generic_callback_isr;
+%include "../IsrCallback.h"
+
 %{
     #include "rpr220.h"
 %}
-
 %include "rpr220.h"

src/rpr220/rpr220.cxx

@@ -26,6 +26,7 @@
 
 #include "rpr220.h"
 
+
 using namespace upm;
 using namespace std;
 
@@ -55,6 +56,13 @@ bool RPR220::blackDetected()
   return (mraa_gpio_read(m_gpio) ? true : false);
 }
 
+#ifdef SWIGJAVA
+void RPR220::installISR(IsrCallback *cb)
+{
+	installISR(generic_callback_isr, cb);
+}
+#endif
+
 void RPR220::installISR(void (*isr)(void *), void *arg)
 {
   if (m_isrInstalled)

src/rpr220/rpr220.h

@@ -26,6 +26,10 @@
 #include <string>
 #include <mraa/gpio.h>
 
+#ifdef SWIGJAVA
+#include "../IsrCallback.h"
+#endif
+
 namespace upm {
 
 /**
@@ -83,6 +87,9 @@ namespace upm {
      */
     bool blackDetected();
 
+#ifdef SWIGJAVA
+    void installISR(IsrCallback *cb);
+#else
     /**
      * Installs an ISR to be called when
      * black is detected
@@ -92,6 +99,7 @@ namespace upm {
      * argument to the ISR.
      */
     void installISR(void (*isr)(void *), void *arg);
+#endif
 
     /**
      * Uninstalls the previously installed ISR
@@ -100,6 +108,9 @@ namespace upm {
     void uninstallISR();
 
   private:
+#ifdef SWIGJAVA
+    void installISR(void (*isr)(void *), void *arg);
+#endif	
     bool m_isrInstalled;
     mraa_gpio_context m_gpio;
   };