/**
  ******************************************************************************
  * @file    uart.h
  * @author  heinrichs weikamp gmbh
  * @version V0.0.1
  * @date    27-March-2014
  * @brief   button control
  *           
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; COPYRIGHT(c) 2015 heinrichs weikamp</center></h2>
  *
  ******************************************************************************
  */ 

/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef UART_H
#define UART_H

#ifdef __cplusplus
 extern "C" {
#endif

#include "stm32f4xx_hal.h"


 typedef enum
 {
 	RX_Ready= 0,					/* Initial state */
	RX_DetectStart,					/* validate start byte */
	RX_SelectData,					/* Data contained in this frame */
 	RX_Data0,						/* Process incoming data */
	RX_Data1,
	RX_Data2,
	RX_Data3,
	RX_Data4,
	RX_Data5,
	RX_Data6,
	RX_Data7,
	RX_Data8,
	RX_Data9,
	RX_Data10,
	RX_Data11,
	RX_Data12,
	RX_DataComplete
 } receiveState_t;

 typedef enum
 {
 	UART_O2_INIT = 0,
 	UART_O2_CHECK,			/* send blink command and check if sensor answers */
 	UART_O2_REQ_INFO,		/* request information about available internal sensors of sensor */
	UART_O2_REQ_ID,		/* request ID of sensor */
 	UART_O2_IDLE,			/* sensor detected and no communication pending */
 	UART_O2_REQ_O2,			/* O2 value has been requested and is in receiption progress */
 	UART_O2_ERROR			/* Error state which could not be resolved => only exit via de-/activation cycle */
 } uartO2Status_t;


 typedef enum
  {
	O2RX_IDLE = 0,			/* no receiption pending */
	O2RX_CONFIRM,			/* check the command echo */
	O2RX_GETNR,				/* extract the sensor number */
	O2RX_GETO2,				/* extract the ppo2 */
	O2RX_GETTEMP,			/* extract the temperature */
	O2RX_GETSTATUS,			/* extract the sensor status */
	O2RX_GETTYPE,			/* extract the sensor type (should be 8) */
	O2RX_GETCHANNEL,		/* extract the number of sensor channels (should be 1) */
	O2RX_GETVERSION,		/* extract the sensor version */
	O2RX_GETSUBSENSORS		/* extract the available measures (O2, temperature, humidity etc) */
  } uartO2RxState_t;

void MX_USART1_UART_Init(void);
void MX_USART1_UART_DeInit(void);
void MX_USART1_DMA_Init(void);
uint8_t UART_ButtonAdjust(uint8_t *array);
#ifdef ENABLE_CO2_SUPPORT
void HandleUARTCO2Data(void);
#endif
#ifdef ENABLE_SENTINEL_MODE
void HandleUARTSentinelData(void);
#endif
void HandleUARTDigitalO2(void);

#ifdef __cplusplus
}
#endif

#endif /* UART_H */

/************************ (C) COPYRIGHT heinrichs weikamp *****END OF FILE****/