docs: fix spelling errors

Signed-off-by: Fathi Boudra <fathi.boudra@linaro.org>
Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>

api/mraa/firmata.h

@@ -71,7 +71,7 @@ mraa_result_t mraa_firmata_write_sysex(mraa_firmata_context dev, char* msg, int
  * calling it need to make sure they are the only thread calling this.
  *
  * @param dev The Firmata context
- * @param fptr Function pointer to function to be called when interupt is
+ * @param fptr Function pointer to function to be called when interrupt is
  * triggered, the returned buffer and length are the arguments.
  * @return Result of operation
  */

api/mraa/gpio.h

@@ -77,13 +77,13 @@ typedef enum {
 } mraa_gpio_dir_t;
 
 /**
- * Gpio Edge types for interupts
+ * Gpio Edge types for interrupts
  */
 typedef enum {
     MRAA_GPIO_EDGE_NONE = 0,   /**< No interrupt on Gpio */
-    MRAA_GPIO_EDGE_BOTH = 1,   /**< Interupt on rising & falling */
-    MRAA_GPIO_EDGE_RISING = 2, /**< Interupt on rising only */
-    MRAA_GPIO_EDGE_FALLING = 3 /**< Interupt on falling only */
+    MRAA_GPIO_EDGE_BOTH = 1,   /**< Interrupt on rising & falling */
+    MRAA_GPIO_EDGE_RISING = 2, /**< Interrupt on rising only */
+    MRAA_GPIO_EDGE_FALLING = 3 /**< Interrupt on falling only */
 } mraa_gpio_edge_t;
 
 /**
@@ -112,11 +112,11 @@ mraa_gpio_context mraa_gpio_init_raw(int gpiopin);
 mraa_result_t mraa_gpio_edge_mode(mraa_gpio_context dev, mraa_gpio_edge_t mode);
 
 /**
- * Set an interupt on pin
+ * Set an interrupt on pin
  *
  * @param dev The Gpio context
  * @param edge The edge mode to set the gpio into
- * @param fptr Function pointer to function to be called when interupt is
+ * @param fptr Function pointer to function to be called when interrupt is
  * triggered
  * @param args Arguments passed to the interrupt handler (fptr)
  * @return Result of operation
@@ -124,7 +124,7 @@ mraa_result_t mraa_gpio_edge_mode(mraa_gpio_context dev, mraa_gpio_edge_t mode);
 mraa_result_t mraa_gpio_isr(mraa_gpio_context dev, mraa_gpio_edge_t edge, void (*fptr)(void*), void* args);
 
 /**
- * Stop the current interupt watcher on this Gpio, and set the Gpio edge mode
+ * Stop the current interrupt watcher on this Gpio, and set the Gpio edge mode
  * to MRAA_GPIO_EDGE_NONE
  *
  * @param dev The Gpio context

api/mraa/gpio.hpp

@@ -60,13 +60,13 @@ typedef enum {
 } Dir;
 
 /**
- * Gpio Edge types for interupts
+ * Gpio Edge types for interrupts
  */
 typedef enum {
     EDGE_NONE = 0,   /**< No interrupt on Gpio */
-    EDGE_BOTH = 1,   /**< Interupt on rising & falling */
-    EDGE_RISING = 2, /**< Interupt on rising only */
-    EDGE_FALLING = 3 /**< Interupt on falling only */
+    EDGE_BOTH = 1,   /**< Interrupt on rising & falling */
+    EDGE_RISING = 2, /**< Interrupt on rising only */
+    EDGE_FALLING = 3 /**< Interrupt on falling only */
 } Edge;
 
 /**
@@ -80,7 +80,7 @@ class Gpio
 {
   public:
     /**
-     * Instanciates a Gpio object
+     * Instantiates a Gpio object
      *
      * @param pin pin number to use
      * @param owner (optional) Set pin owner, default behaviour is to 'own'
@@ -186,7 +186,7 @@ class Gpio
      * Sets a callback to be called when pin value changes
      *
      * @param mode The edge mode to set
-     * @param fptr Function pointer to function to be called when interupt is
+     * @param fptr Function pointer to function to be called when interrupt is
      * triggered
      * @param args Arguments passed to the interrupt handler (fptr)
      * @return Result of operation
@@ -198,7 +198,7 @@ class Gpio
     }
 
     /**
-     * Exits callback - this call will not kill the isr thread immediatly
+     * Exits callback - this call will not kill the isr thread immediately
      * but only when it is out of it's critical section
      *
      * @return Result of operation

api/mraa/pwm.h

@@ -65,7 +65,7 @@ mraa_pwm_context mraa_pwm_init(int pin);
 mraa_pwm_context mraa_pwm_init_raw(int chipid, int pin);
 
 /**
- * Set the ouput duty-cycle percentage, as a float
+ * Set the output duty-cycle percentage, as a float
  *
  * @param dev The Pwm context to use
  * @param percentage A floating-point value representing percentage of output.
@@ -76,7 +76,7 @@ mraa_pwm_context mraa_pwm_init_raw(int chipid, int pin);
 mraa_result_t mraa_pwm_write(mraa_pwm_context dev, float percentage);
 
 /**
- * Read the ouput duty-cycle percentage, as a float
+ * Read the output duty-cycle percentage, as a float
  *
  * @param dev The Pwm context to use
  * @return percentage A floating-point value representing percentage of output.

api/mraa/pwm.hpp

@@ -88,7 +88,7 @@ class Pwm
         return (Result) mraa_pwm_write(m_pwm, percentage);
     }
     /**
-     * Read the ouput duty-cycle percentage, as a float
+     * Read the output duty-cycle percentage, as a float
      *
      * @return A floating-point value representing percentage of
      * output. The value should lie between 0.0f (representing on 0%) and