/**
 ******************************************************************************
 * @file    main.c
 * @author  Ac6
 * @version V1.0
 * @date    01-December-2013
 * @brief   Default main function.
 ******************************************************************************
 */


#include "stm32f4xx.h"
#include "stm32f4_discovery.h"

double ADC_Result, ADC_Result2;
double score, score2;
int main(void)
{

	RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE);
	RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
	RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC2, ENABLE);


	RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOD, ENABLE);

	GPIO_InitTypeDef GPIO_InitStructure1;
	/* Configure PD12, PD13, PD14 and PD15 in output pushpull mode */
	GPIO_InitStructure1.GPIO_Pin = GPIO_Pin_12 | GPIO_Pin_13 | GPIO_Pin_14
			| GPIO_Pin_15;
	GPIO_InitStructure1.GPIO_Mode = GPIO_Mode_OUT;
	GPIO_InitStructure1.GPIO_OType = GPIO_OType_PP;
	GPIO_InitStructure1.GPIO_Speed = GPIO_Speed_100MHz;
	GPIO_InitStructure1.GPIO_PuPd = GPIO_PuPd_NOPULL;
	GPIO_Init(GPIOD, &GPIO_InitStructure1);

	GPIO_InitTypeDef GPIO_InitStructure;
	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_InitTypeDef ADC_InitStructure;
	ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
	ADC_InitStructure.ADC_ScanConvMode = DISABLE;
	ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
	ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC1;
	ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;
	ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
	ADC_InitStructure.ADC_NbrOfConversion = 1;
	ADC_Init(ADC1, &ADC_InitStructure);

	ADC_InitTypeDef ADC_InitStructure2;
	ADC_InitStructure2.ADC_Resolution = ADC_Resolution_12b;
	ADC_InitStructure2.ADC_ScanConvMode = DISABLE;
	ADC_InitStructure2.ADC_ContinuousConvMode = ENABLE;
	ADC_InitStructure2.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC1;
	ADC_InitStructure2.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;
	ADC_InitStructure2.ADC_DataAlign = ADC_DataAlign_Right;
	ADC_InitStructure2.ADC_NbrOfConversion = 1;
	ADC_Init(ADC2, &ADC_InitStructure2);


	ADC_RegularChannelConfig(ADC1, ADC_Channel_1, 1, ADC_SampleTime_84Cycles);
	ADC_RegularChannelConfig(ADC2, ADC_Channel_2, 1, ADC_SampleTime_84Cycles);

	ADC_Cmd(ADC1, ENABLE);
	ADC_Cmd(ADC2, ENABLE);

	for (;;) {
		ADC_SoftwareStartConv(ADC1);
		ADC_SoftwareStartConv(ADC2);

		while (ADC_GetFlagStatus(ADC1, ADC_FLAG_EOC) == RESET)
			;

		ADC_Result = ADC_GetConversionValue(ADC1);
		score = (ADC_Result * 3) / 4095;

		while (ADC_GetFlagStatus(ADC2, ADC_FLAG_EOC) == RESET)
			;
		ADC_Result2 = ADC_GetConversionValue(ADC2);
		score2 = (ADC_Result2 * 3) / 4095;

		if (score > 0 && score < 0.75 && score2 > 0 && score2 < 0.75) {
			GPIO_SetBits(GPIOD, GPIO_Pin_12);
			GPIO_ResetBits(GPIOD, GPIO_Pin_13 | GPIO_Pin_14 | GPIO_Pin_15);
		}
		if (score > 0.75 && score < 1.5 && score2 > 0.75 && score2 < 1.5) {
			GPIO_SetBits(GPIOD, GPIO_Pin_13);
			GPIO_ResetBits(GPIOD, GPIO_Pin_12 | GPIO_Pin_14 | GPIO_Pin_15);
		}
		if (score > 1.5 && score < 2.25 && score2 > 1.5 && score2 < 2.25) {
			GPIO_SetBits(GPIOD, GPIO_Pin_14);
			GPIO_ResetBits(GPIOD, GPIO_Pin_13 | GPIO_Pin_12 | GPIO_Pin_15);
		}
		if (score > 2.25 && score <= 3 && score2 > 2.25 && score2 <= 3) {
			GPIO_SetBits(GPIOD, GPIO_Pin_15);
			GPIO_ResetBits(GPIOD, GPIO_Pin_13 | GPIO_Pin_14 | GPIO_Pin_12);
		}
	}
}