C++: Change enum types to be shorter in C++

* This changes the swig interface so Python/Node APIs change slightly

Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>

api/gpio.hpp

@@ -34,6 +34,26 @@
 
 namespace maa {
 
+// These enums must match the enums in gpio.h
+typedef enum {
+    MODE_STRONG = 0,
+    MODE_PULLUP = 1,
+    MODE_PULLDOWN = 2,
+    MODE_HIZ = 3
+} Mode;
+
+typedef enum {
+    DIR_OUT = 0,
+    DIR_IN = 1
+} Dir;
+
+typedef enum {
+    EDGE_NONE = 0,
+    EDGE_BOTH = 1,
+    EDGE_RISING = 2,
+    EDGE_FALLING = 3
+} Edge;
+
 class Gpio {
     public:
         Gpio(int pin, bool raw=false) {
@@ -43,28 +63,28 @@ class Gpio {
                 m_gpio = maa_gpio_init(pin);
         }
         ~Gpio() {
-            maa_gpio_close(m_gpio);
+            maa_result_t x = maa_gpio_close(m_gpio);
         }
-        maa_result_t edge(gpio_edge_t mode) {
-            return maa_gpio_edge_mode(m_gpio, mode);
+        maa_result_t edge(Edge mode) {
+            return maa_gpio_edge_mode(m_gpio, (gpio_edge_t) mode);
         }
 #if defined(SWIGPYTHON)
-        maa_result_t isr(gpio_edge_t mode, PyObject *pyfunc) { 
-            return maa_gpio_isr(m_gpio, mode, (void (*) ()) pyfunc);
+        maa_result_t isr(Edge mode, PyObject *pyfunc) {
+            return maa_gpio_isr(m_gpio, (gpio_edge_t) mode, (void (*) ()) pyfunc);
         }
 #else
-        maa_result_t isr(gpio_edge_t mode, void (*fptr)(void)) {
-            return maa_gpio_isr(m_gpio, mode, fptr);
+        maa_result_t isr(Edge mode, void (*fptr)(void)) {
+            return maa_gpio_isr(m_gpio, (gpio_edge_t) mode, fptr);
         }
 #endif
         maa_result_t isr_exit() {
             return maa_gpio_isr_exit(m_gpio);
         }
-        maa_result_t mode(gpio_mode_t mode) {
-            return maa_gpio_mode(m_gpio, mode);
+        maa_result_t mode(Mode mode) {
+            return maa_gpio_mode(m_gpio, (gpio_mode_t) mode);
         }
-        maa_result_t dir(gpio_dir_t dir) {
-            return maa_gpio_dir(m_gpio, dir);
+        maa_result_t dir(Dir dir) {
+            return maa_gpio_dir(m_gpio, (gpio_dir_t) dir);
         }
         int read() {
             return maa_gpio_read(m_gpio);

examples/c++/Blink-IO.cpp

@@ -57,7 +57,7 @@ int main (int argc, char **argv)
     if (gpio == NULL) {
         return MAA_ERROR_UNSPECIFIED;
     }
-    int response = gpio->dir(MAA_GPIO_OUT);
+    int response = gpio->dir(maa::DIR_OUT);
     if (response != MAA_SUCCESS)
         maa_result_print((maa_result_t) MAA_SUCCESS);
 

examples/python/blink-io8.py

@@ -26,7 +26,7 @@ import pymaa as maa
 import time
 
 x = maa.Gpio(8)
-x.dir(maa.MAA_GPIO_OUT)
+x.dir(maa.DIR_OUT)
 
 while True:
     x.write(1)

examples/python/hello_gpio.py

@@ -25,4 +25,3 @@
 import pymaa
 
 x = pymaa.Gpio(13)
-print(x.pin)

examples/python/hello_isr.py

@@ -6,5 +6,5 @@ def test():
   print("wooo")
 
 x = maa.Gpio(6)
-x.dir(maa.MAA_GPIO_IN)
-x.isr(maa.MAA_GPIO_EDGE_BOTH, test)
+x.dir(maa.DIR_IN)
+x.isr(maa.EDGE_BOTH, test)

examples/python/readi2c.py

@@ -1,32 +0,0 @@
-#!/usr/bin/env python
-
-# Author: Brendan Le Foll <brendan.le.foll@intel.com>
-# Copyright (c) 2014 Intel Corporation.
-#
-# Permission is hereby granted, free of charge, to any person obtaining
-# a copy of this software and associated documentation files (the
-# "Software"), to deal in the Software without restriction, including
-# without limitation the rights to use, copy, modify, merge, publish,
-# distribute, sublicense, and/or sell copies of the Software, and to
-# permit persons to whom the Software is furnished to do so, subject to
-# the following conditions:
-#
-# The above copyright notice and this permission notice shall be
-# included in all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
-# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
-# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-import pymaa as maa
-
-x = maa.I2c()
-x.address(0x62)
-y= "  "
-ret = x.read(y, 2)
-
-print(y)

src/maa.i

@@ -17,30 +17,7 @@ const char * maa_get_version();
 
 #### GPIO ####
 
-/**
- * GPIO Output modes
- */
-typedef enum {
-    MAA_GPIO_STRONG     = 0, /**< Default. Strong high and low */
-    MAA_GPIO_PULLUP     = 1, /**< Resistive High */
-    MAA_GPIO_PULLDOWN   = 2, /**< Resistive Low */
-    MAA_GPIO_HIZ        = 3  /**< High Z State */
-} gpio_mode_t;
-
-/**
- * GPIO Direction options.
- */
-typedef enum {
-    MAA_GPIO_OUT    = 0, /**< Output. A Mode can also be set */
-    MAA_GPIO_IN     = 1  /**< Input. */
-} gpio_dir_t;
-
-typedef enum {
-    MAA_GPIO_EDGE_NONE    = 0, /**< No interrupt on GPIO */
-    MAA_GPIO_EDGE_BOTH    = 1, /**< Interupt on rising & falling */
-    MAA_GPIO_EDGE_RISING  = 2, /**< Interupt on rising only */
-    MAA_GPIO_EDGE_FALLING = 3  /**< Interupt on falling only */
-} gpio_edge_t;
+#### GPIO ####
 
 %include "gpio.hpp"