File content as of revision 2:1c1f7677ac17:

/***************************************************************************
 * STM32 VGA demo
 * Copyright (C) 2012 Artekit Italy
 * http://www.artekit.eu
 * Written by Ruben H. Meleca
 
### main.c
 
#   This program is free software; you can redistribute it and/or modify
#   it under the terms of the GNU General Public License as published by
#   the Free Software Foundation; either version 2 of the License, or
#   (at your option) any later version.
#
#   This program is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#   GNU General Public License for more details.
#
#   You should have received a copy of the GNU General Public License
#   along with this program; if not, write to the Free Software
#   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

***************************************************************************/

#include "stm32f30x.h"
#include "sys.h"
#include "video.h"
#include "gdi.h"

extern void demoInit(void);

void RCC_Configuration(void)
{
	GPIO_InitTypeDef GPIO_InitStructure;
	/* TIM1, GPIOA, GPIOB, GPIOE and AFIO clocks enable */
	RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);

  /* Enable the USB disconnect GPIO clock */
//  RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIO_DISCONNECT, ENABLE);

 /*Set PA11,12 as IN - USB_DM,DP*/
/*  
  RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE);
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11 | GPIO_Pin_12;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
  GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
  GPIO_Init(GPIOA, &GPIO_InitStructure);
  */
    
  /*SET PA11,12 for USB: USB_DM,DP*/
//  GPIO_PinAFConfig(GPIOA, GPIO_PinSource11, GPIO_AF_14);
//  GPIO_PinAFConfig(GPIOA, GPIO_PinSource12, GPIO_AF_14);


	RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1 | /* RCC_AHBPeriph_ADC12 |*/ RCC_AHBPeriph_GPIOB | RCC_AHBPeriph_GPIOA | RCC_AHBPeriph_GPIOE, ENABLE);
	RCC_APB2PeriphClockCmd(RCC_APB2Periph_SPI1 | RCC_APB2Periph_TIM1, ENABLE);
	RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);
}

void GPIO_Configuration(void)
{
	GPIO_InitTypeDef GPIO_InitStructure;
	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 | GPIO_Pin_11 | 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_PuPd = GPIO_PuPd_UP;
        GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
        GPIO_Init(GPIOE, &GPIO_InitStructure);
	GPIOE->ODR = 0x000;
	
	    GPIO_StructInit(&GPIO_InitStructure);
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
    GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_DOWN;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_Init(GPIOA, &GPIO_InitStructure);

}

int main(void)
{
//	GPIOE->BRR = 0x100;
//	char *s=malloc(4);
 	RCC_Configuration();
//	GPIOE->BSRR = 0x200;
	GPIO_Configuration();
//	GPIOE->ODR = 0x300;
	vidInit();
//	GPIOE->ODR = 0x400;
	sysInitSystemTimer();
//	GPIOE->ODR = 0x500;

//	GPIOE->ODR = 0x200;
	//demoInit();
	if(GPIOA->IDR & GPIO_Pin_0)
		demoInit();
	else
		siInit();
	return 0;
}