#include "stm32f4xx.h"
#include "stm32f4xx_rcc.c"
#include "stm32f4xx_adc.c"
#include "stm32f4xx_gpio.c"
#include "LCD2x16.c" 

GPIO_InitTypeDef        GPIO_InitStructure;
ADC_InitTypeDef         ADC_InitStructure;
ADC_CommonInitTypeDef   ADC_CommonInitStructure;

int main ()  {                  
unsigned int j;

//----------------------------------------------------------------------------------------
//  Software triggered, dual, simultaneous sampling                                       
//----------------------------------------------------------------------------------------
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1  | RCC_APB2Periph_ADC2,  ENABLE);
  RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA | RCC_AHB1Periph_GPIOB, ENABLE);
  
  GPIO_InitStructure.GPIO_Pin   = GPIO_Pin_1 | GPIO_Pin_2;
  GPIO_InitStructure.GPIO_Mode  = GPIO_Mode_AN;
  GPIO_InitStructure.GPIO_PuPd  = GPIO_PuPd_NOPULL;
  GPIO_Init(GPIOA, &GPIO_InitStructure); 
  
  ADC_CommonInitStructure.ADC_DMAAccessMode    = ADC_DMAAccessMode_Disabled;
  ADC_CommonInitStructure.ADC_Mode             = ADC_DualMode_RegSimult;
  ADC_CommonInitStructure.ADC_Prescaler        = ADC_Prescaler_Div2;
  ADC_CommonInit(&ADC_CommonInitStructure);
    
  ADC_InitStructure.ADC_Resolution             = ADC_Resolution_12b;
  ADC_InitStructure.ADC_ScanConvMode           = DISABLE;
  ADC_InitStructure.ADC_ContinuousConvMode     = DISABLE;
  ADC_InitStructure.ADC_ExternalTrigConvEdge   = ADC_ExternalTrigConvEdge_None;
  ADC_InitStructure.ADC_ExternalTrigConv       = ADC_ExternalTrigConv_T1_CC1;
  ADC_InitStructure.ADC_DataAlign              = ADC_DataAlign_Right;
  ADC_InitStructure.ADC_NbrOfConversion        = 1;
  ADC_Init(ADC1, &ADC_InitStructure);
  ADC_RegularChannelConfig(ADC1, ADC_Channel_1, 1, ADC_SampleTime_3Cycles);

  ADC_Init(ADC2, &ADC_InitStructure);
  ADC_RegularChannelConfig(ADC2, ADC_Channel_2, 1, ADC_SampleTime_3Cycles);

  ADC_Cmd(ADC1, ENABLE);
  ADC_Cmd(ADC2, ENABLE);
  
  LCD_init();
  LCD_string("ADC1=", 0);
  LCD_string("ADC2=", 0x40);
    
  while (1) {
    ADC_SoftwareStartConv(ADC1);
    for (j = 0; j<10000000; j++){};      // waste some time
    LCD_uInt16((int)ADC1->DR, 0x06, 1);  // write result on LCD, 1st line
    LCD_uInt16((int)ADC2->DR, 0x46, 1);  // write result on LCD, 2nd line
  };
  
}