mend

drivers/DigitalIn.h

@@ -75,13 +75,20 @@ class DigitalIn {
  gpio_init_in_ex(&gpio, pin, mode);
  }
 
+ /** Class destructor, deinitialize the pin
+ */
+ virtual ~DigitalIn()
+ {
+ gpio_free(&gpio);
+ }
+
  /** Read the input, represented as 0 or 1 (int)
  *
  * @returns
  * An integer representing the state of the input pin,
  * 0 for logical 0, 1 for logical 1
  */
- int read()
+ virtual int read()
  {
  // Thread safe / atomic HAL call
  return gpio_read(&gpio);
@@ -91,15 +98,15 @@ class DigitalIn {
  *
  * @param pull PullUp, PullDown, PullNone, OpenDrain
  */
- void mode(PinMode pull);
+ virtual void mode(PinMode pull);
 
  /** Return the output setting, represented as 0 or 1 (int)
  *
  * @returns
  * Non zero value if pin is connected to uc GPIO
  * 0 if gpio object was initialized with NC
  */
- int is_connected()
+ virtual int is_connected()
  {
  // Thread safe / atomic HAL call
  return gpio_is_connected(&gpio);

drivers/DigitalInOut.h

@@ -58,12 +58,19 @@ class DigitalInOut {
  gpio_init_inout(&gpio, pin, direction, mode, value);
  }
 
+ /** Class destructor, deinitialize the pin
+ */
+ virtual ~DigitalInOut()
+ {
+ gpio_free(&gpio);
+ }
+
  /** Set the output, specified as 0 or 1 (int)
  *
  * @param value An integer specifying the pin output value,
  * 0 for logical 0, 1 (or any other non-zero value) for logical 1
  */
- void write(int value)
+ virtual void write(int value)
  {
  // Thread safe / atomic HAL call
  gpio_write(&gpio, value);
@@ -75,33 +82,33 @@ class DigitalInOut {
  * an integer representing the output setting of the pin if it is an output,
  * or read the input if set as an input
  */
- int read()
+ virtual int read()
  {
  // Thread safe / atomic HAL call
  return gpio_read(&gpio);
  }
 
  /** Set as an output
  */
- void output();
+ virtual void output();
 
  /** Set as an input
  */
- void input();
+ virtual void input();
 
  /** Set the input pin mode
  *
  * @param pull PullUp, PullDown, PullNone, OpenDrain
  */
- void mode(PinMode pull);
+ virtual void mode(PinMode pull);
 
  /** Return the output setting, represented as 0 or 1 (int)
  *
  * @returns
  * Non zero value if pin is connected to uc GPIO
  * 0 if gpio object was initialized with NC
  */
- int is_connected()
+ virtual int is_connected()
  {
  // Thread safe / atomic HAL call
  return gpio_is_connected(&gpio);

drivers/DigitalOut.h

@@ -70,6 +70,8 @@ class DigitalOut {
  gpio_init_out_ex(&gpio, pin, value);
  }
 
+ /** Class destructor, deinitialize the pin
+ */
  virtual ~DigitalOut()
  {
  gpio_free(&gpio);