/**
******************************************************************************
* This module was written for Afflatus Techtronics - Resource section
*
* @author : Ashwin
*
* Project : led
* @file : main.c
* @date : Nov 19, 2011 9:42:24 PM
*
* Platform : STM32F4-Discovery
* Compiler : CodeSourcery arm-2011.03-42-arm-none-eabi
******************************************************************************
* @attention
* This work is licensed under the Creative Commons
* Attribution-NonCommercial-ShareAlike 3.0 Unported License. To view a copy
* of this license, visit http://creativecommons.org/licenses/by-nc-sa/3.0/ or
* send a letter to Creative Commons, 444 Castro Street, Suite 900, Mountain
* View, California, 94041, USA.
*
* Copyright (C) 2011
* Afflatus Techtronics
* and Ashwin Vijayakumar
******************************************************************************
* @brief
* Module Description:
* (fill in a detailed description of the module’s function here).
******************************************************************************
*/
/** Includes section ----------------------------------------------------------
* Add all #include here.
* --------------------------------------------------------------------------*/
/** System headers ----------------------------------------------------------*/
/** Local headers -----------------------------------------------------------*/
#include "main.h"
#include "stm32f4_discovery.h"
/** typedef section (File scope) ----------------------------------------------
* Add typedef's with file scope here.
* Capitalization: Upper_Camel_Case.
* Declare typedef's with project scope in main.h.
* --------------------------------------------------------------------------*/
/** Constants section (File scope) --------------------------------------------
* Add all constants with file scope here.
* Capitalization: ALL_CAPS.
* Note that all constants listed here are limited to this file scope.
* For project wide scope, declare constants in main.h.
* --------------------------------------------------------------------------*/
/** Macros section (File scope) -----------------------------------------------
* Add all macros with file scope here.
* Capitalization: ALL_CAPS.
* Note that all macros listed here are limited to this file scope.
* For project wide scope, declare macros in main.h.
* --------------------------------------------------------------------------*/
/** Global variables section (File scope) -------------------------------------
* Add global variables with file scope here.
* Capitalization: lower_case.
* Declare them with 'static' keyword.
* --------------------------------------------------------------------------*/
static GPIO_InitTypeDef GPIO_InitStructure;
/** Global variables section (Project scope) ----------------------------------
* PROJECT SCOPE G-VARIABLES ARE LIKE FORBIDDEN FRUIT. REFRAIN FROM USING THEM,
* DECLARE FILE SCOPE G-VARIABLES INSTEAD AND DEFINE GETTER/SETTER METHODS TO
* ACCESS THEM.
* Add global variables with project scope here.
* Capitalization: lower_case.
* Declare them without 'static' keyword.
* Also declare these variables in main.h with 'extern' keyword.
* --------------------------------------------------------------------------*/
/** Function prototypes section (File scope) ----------------------------------
* Add prototypes for all functions with file scope here.
* Capitalization: lower_Camel_Case.
* Declare them with 'static' keyword.
* For functions with project scope, declare the function prototype in
* main.h without 'static' keyword
* --------------------------------------------------------------------------*/
static void delay(__IO uint32_t nCount);
/** Getter/setter method section (Project scope) ------------------------------
* Define getter/setter methods to provide project scope global access to file
* scope global variables. (AVOID USING THESE IF YOU HAVE THROUGHPUT ISSUES).
* Capitalization: get_Camel_Case/is_Camel_Case/set_Camel_Case.
* Declare the prototype for these functions in main.h.
* --------------------------------------------------------------------------*/
/**
*******************************************************************************
* @name : int main(void)
* @retval : int: return value description
* @param : none
* @author : Ashwin
* @date : Nov 19, 2011 10:07:45 PM
* @brief : The project execution starts here
* @note : restrictions, odd modes
*******************************************************************************
*/
int
main(void)
{
/* GPIOD Peripheral clock enable */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOD, ENABLE);
/* Configure PD12, PD13, PD14 and PD15 in output pushpull mode */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12 | GPIO_Pin_13| GPIO_Pin_14| GPIO_Pin_15;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_Init(GPIOD, &GPIO_InitStructure);
while(1)
{
GPIO_SetBits(GPIOD, GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14|GPIO_Pin_15);
delay(0x0FFFF);
GPIO_ResetBits(GPIOD, GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14|GPIO_Pin_15);
delay(0x0FFFF);
}
return (0);
}
/** END OF main ******************** Copyright (C) 2011 Afflatus Techtronics */
/**
******************************************************************************
* MOD: For functions with project scope, remove 'static' keyword and declare
* prototype in main.h
* ----------------------------------------------------------------------------
* @name : delay
* @retval : void
* @param : A 32bit unsigned integer
* @author : Ashwin
* @date : Nov 19, 2011 10:11:11 PM
* @brief : Blocks the code execution for nCount iterations
* @note : Note that nCount != machine cycle count, this is a random
* : amount of delay. Use hardware timers to get precise delay.
******************************************************************************
*/
static void
delay(uint32_t nCount)
{
while(nCount--)
{
}
}
/** END OF delay ******************* Copyright (C) 2011 Afflatus Techtronics */
/** END OF FILE ******************** Copyright (C) 2011 Afflatus Techtronics */