/*
 * system_variables.h
 *
 *  Created on: 15 sep. 2016
 *      Author: Philip
 */

#ifndef SYSTEM_VARIABLES_H_
#define SYSTEM_VARIABLES_H_

#define ADC_STATE_POLL AS_DMA


#define ADC_STATE
#include "stm32f4xx.h"


enum ADC_STATES { AS_POLL, AS_IRQ, AS_DMA };

/* A buffer for the ADC to write with DMA */
enum{ ADC_BUFFER_LENGTH = 9 };
extern volatile uint32_t g_ADCBuffer[ADC_BUFFER_LENGTH];

/* Defining boolean - false = 0, true = 1 */
enum BOOLEAN { false,true };

/* Counter of ADC readings */
extern int g_MeasurementNumber;

/* ADC Rank - For each IO we increment the rank?? */
extern int adc_rank;

/* Last ADC reading (when polling) */
extern __IO uint32_t g_ADCValue;

/* ADC handler - OBS: Tried to use this as a pointer but it did not work */
extern ADC_HandleTypeDef g_AdcHandle;


/* DMA handler */
extern DMA_HandleTypeDef g_DmaHandle;

#endif /* SYSTEM_VARIABLES_H_ */