Diff: main.cpp

Revision:

2:87dc86a7288b

Parent:

1:73d739c64e4c

--- a/main.cpp	Sat Mar 21 11:21:32 2015 +0000
+++ b/main.cpp	Tue May 12 09:15:11 2015 +0000
@@ -22,7 +22,8 @@
 
 /* Defines -----------------------------------------------------------------------*/
 
-// In some mbed libraries are not included these definines
+// In some mbed libraries these defines are not included
+// please uncomment if the example is not working
 
 //#define GPIOE_BASE          (AHB2PERIPH_BASE + 0x1000)
 //#define GPIOE               ((GPIO_TypeDef *) GPIOE_BASE)
@@ -31,17 +32,17 @@
 
 
 //mbed - initialization of peripherals
-InterruptIn button(PA_0);       // inicialize button on STM32F3 discovery
-Ticker toggle_ticker;           // inicialize ticker
+InterruptIn button(PA_0);       // initialize button on STM32F3 discovery
+Ticker toggle_ticker;           // initialize ticker
 
 
 /* Functions----------------------------------------------------------------------*/
 
 /*******************************************************************************
 * Function Name  : toggle.
-* Description    : Blinks whit 8 LEDs if ticker interval reached.
+* Description    : Blinks with 8 LEDs if ticker interval reached.
 * Input          : None.
-* Output         : Blinks whit 8 LEDs.
+* Output         : Blinks with 8 LEDs.
 * Return         : None.
 *******************************************************************************/
 
@@ -60,7 +61,7 @@
 *******************************************************************************/
 void pressed()
 {
-    // Switch pins PE_15 to PE_8  to log. 1 , where LEDs are attached to
+    // Switch pins PE_15 to PE_8 (LEDs) to high level
     HAL_GPIO_WritePin(GPIOE , GPIO_PIN_15 | GPIO_PIN_14 | GPIO_PIN_13 | GPIO_PIN_12 | GPIO_PIN_11 | GPIO_PIN_10 | GPIO_PIN_9 | GPIO_PIN_8 , GPIO_PIN_SET);
 }
 
@@ -74,36 +75,36 @@
 
 int main()
 {
-    //inicialize power (clock source) to port E (GPIOE)
+    //initialize power (clock source) to port E (GPIOE)
     __GPIOE_CLK_ENABLE();
     //  RCC->AHBENR |= RCC_AHBPeriph_GPIOE; // if __GPIOE_CLK_ENABLE(); is not defined
 
-    //inicialize pins
-    // atructure to set GPIO
+    // initialize pins
+    // structure to set GPIO
     GPIO_InitTypeDef        GPIO_InitStruct;
-    //Specifies the operating mode for the selected pins.
+    // Specifies the operating mode for the selected pins.
     // Output Push Pull Mode 
     GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
-    //Specifies the Pull-up or Pull-Down activation for the selected pins.
-    //Pull-up activation
+    // Specifies the Pull-up or Pull-Down activation for the selected pins.
+    // Pull-up activation
     GPIO_InitStruct.Pull = GPIO_PULLUP;
-    //Specifies the speed for the selected pins.
-    //High speed
+    // Specifies the speed for the selected pins.
+    // High speed
     GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
-    //Specifies the GPIO pins to be configured.
-    //Pins 15 to 8
+    // Specifies the GPIO pins to be configured.
+    // Pins 15 to 8
     GPIO_InitStruct.Pin = GPIO_PIN_15 | GPIO_PIN_14 | GPIO_PIN_13 | GPIO_PIN_12 | GPIO_PIN_11 | GPIO_PIN_10 | GPIO_PIN_9 | GPIO_PIN_8;
     
-    //Inicialize pins PE_15 to PE_8
+    // Initialize pins PE_15 to PE_8
     HAL_GPIO_Init(GPIOE, &GPIO_InitStruct);
 
-    // button was pressed, call function pressed
+    // Button was pressed, call function pressed()
     button.fall(&pressed);
 
     // Init the ticker with the address of the function (toggle) to be attached and the interval (1 s)
     toggle_ticker.attach(&toggle, 1);
 
-    // infinity loop
+    // infinite loop
     while (1) {
     }
 }