HardwareTimer: fix typo in comments

Signed-off-by: Alexandre Bourdiol <alexandre.bourdiol@st.com>

Author: ABOSTM

cores/arduino/HardwareTimer.cpp

@@ -211,7 +211,7 @@ void HardwareTimer::pauseChannel(uint32_t channel)
   */
 void HardwareTimer::resume(void)
 {
-  // Clear flag and ennable IT
+  // Clear flag and enable IT
   if (callbacks[0]) {
     __HAL_TIM_CLEAR_FLAG(&(_timerObj.handle), TIM_FLAG_UPDATE);
     __HAL_TIM_ENABLE_IT(&(_timerObj.handle), TIM_IT_UPDATE);
@@ -470,7 +470,7 @@ void HardwareTimer::setPrescaleFactor(uint32_t prescaler)
 
 /**
   * @brief  Retrieve overflow (rollover) value from hardware register
-  * @param  format of returned value. If ommited default format is Tick
+  * @param  format of returned value. If omitted default format is Tick
   * @retval overflow depending on format value:
   *           TICK_FORMAT:     return number of tick for overflow
   *           MICROSEC_FORMAT: return number of microsecondes for overflow
@@ -505,7 +505,7 @@ uint32_t HardwareTimer::getOverflow(TimerFormat_t format)
   *         (usually the next timer overflow). See setPreloadEnable()
   *         for controlling this behaviour.
   * @param  overflow: depend on format parameter
-  * @param  format of overflow parameter. If ommited default format is Tick
+  * @param  format of overflow parameter. If omitted default format is Tick
   *           TICK_FORMAT:     overflow is the number of tick for overflow
   *           MICROSEC_FORMAT: overflow is the number of microsecondes for overflow
   *           HERTZ_FORMAT:    overflow is the frequency in hertz for overflow
@@ -549,7 +549,7 @@ void HardwareTimer::setOverflow(uint32_t overflow, TimerFormat_t format)
 
 /**
   * @brief  Retreive timer counter value
-  * @param  format of returned value. If ommited default format is Tick
+  * @param  format of returned value. If omitted default format is Tick
   * @retval overflow depending on format value:
   *           TICK_FORMAT:     return number of tick for counter
   *           MICROSEC_FORMAT: return number of microsecondes for counter
@@ -578,7 +578,7 @@ uint32_t HardwareTimer::getCount(TimerFormat_t format)
 /**
   * @brief  Set timer counter value
   * @param  counter: depend on format parameter
-  * @param  format of overflow parameter. If ommited default format is Tick
+  * @param  format of overflow parameter. If omitted default format is Tick
   *           TICK_FORMAT:     counter is the number of tick
   *           MICROSEC_FORMAT: counter is the number of microsecondes
   *           HERTZ_FORMAT:    counter is the frequency in hertz
@@ -793,7 +793,7 @@ void HardwareTimer::setPreloadEnable(bool value)
   * @brief  Set channel Capture/Compare register
   * @param  channel: Arduino channel [1..4]
   * @param  compare: compare value depending on format
-  * @param  format of compare parameter. If ommited default format is Tick
+  * @param  format of compare parameter. If omitted default format is Tick
   *           TICK_FORMAT:     compare is the number of tick
   *           MICROSEC_FORMAT: compare is the number of microsecondes
   *           HERTZ_FORMAT:    compare is the frequency in hertz
@@ -857,7 +857,7 @@ void HardwareTimer::setCaptureCompare(uint32_t channel, uint32_t compare, TimerC
 /**
   * @brief  Retrieve Capture/Compare value
   * @param  channel: Arduino channel [1..4]
-  * @param  format of return value. If ommited default format is Tick
+  * @param  format of return value. If omitted default format is Tick
   *           TICK_FORMAT:     return value is the number of tick for Capture/Compare value
   *           MICROSEC_FORMAT: return value is the number of microsecondes for Capture/Compare value
   *           HERTZ_FORMAT:    return value is the frequency in hertz for Capture/Compare value
@@ -913,9 +913,9 @@ uint32_t HardwareTimer::getCaptureCompare(uint32_t channel,  TimerCompareFormat_
 /**
   * @param  channel: Arduino channel [1..4]
   * @param  pin: Arduino pin number, ex D1, 1 or PA1
-  * @param  frequency: PWM frequency expessed in hertz
+  * @param  frequency: PWM frequency expressed in hertz
   * @param  dutycycle: PWM dutycycle expressed in percentage
-  * @param  PeriodCallback: timer period callback (timer rollover upon udate event)
+  * @param  PeriodCallback: timer period callback (timer rollover upon update event)
   * @param  CompareCallback: timer compare callback
   * @retval None
   */
@@ -928,9 +928,9 @@ void HardwareTimer::setPWM(uint32_t channel, uint32_t pin, uint32_t frequency, u
   * @brief  All in one function to configure PWM
   * @param  channel: Arduino channel [1..4]
   * @param  pin: pin name, ex PB_0
-  * @param  frequency: PWM frequency expessed in hertz
+  * @param  frequency: PWM frequency expressed in hertz
   * @param  dutycycle: PWM dutycycle expressed in percentage
-  * @param  PeriodCallback: timer period callback (timer rollover upon udate event)
+  * @param  PeriodCallback: timer period callback (timer rollover upon update event)
   * @param  CompareCallback: timer compare callback
   * @retval None
   */
@@ -1033,7 +1033,7 @@ void HardwareTimer::attachInterrupt(uint32_t channel, callback_function_t callba
 }
 
 /**
-  * @brief  Dettach interrupt callback on Capture/Compare event
+  * @brief  Detach interrupt callback on Capture/Compare event
   * @param  channel: Arduino channel [1..4]
   * @retval None
   */
@@ -1118,7 +1118,7 @@ void HardwareTimer::updateCallback(TIM_HandleTypeDef *htim)
 }
 
 /**
-  * @brief  Generic Caputre and Compare callback which will call user callback
+  * @brief  Generic Capture and Compare callback which will call user callback
   * @param  htim: HAL timer handle
   * @retval None
   */