/**
******************************************************************************
* @file           : dallas_tools.h
* @brief          : DALLAS driver
* @author         : MicroTechnics (microtechnics.ru)
*****************************************************************************/

#ifndef DALLAS_TOOLS_H
#define DALLAS_TOOLS_H



/* Includes -----------------------------------------------------------------*/
#include "stm32f1xx_hal.h"
#include "ds18b20.h"
#include "onewire.h"


#define DALLAS_USER_BYTE_1                          (1<<0)
#define DALLAS_USER_BYTE_2                          (1<<1)
#define DALLAS_USER_BYTE_3                          (1<<2)
#define DALLAS_USER_BYTE_4                          (1<<3)

#define DALLAS_USER_BYTE_12                         (DALLAS_USER_BYTE_1|DALLAS_USER_BYTE_2)
#define DALLAS_USER_BYTE_34                         (DALLAS_USER_BYTE_3|DALLAS_USER_BYTE_4)

#define DALLAS_USER_BYTE_ALL                        (DALLAS_USER_BYTE_12|DALLAS_USER_BYTE_34)

/* Declarations and definitions ---------------------------------------------*/
#define DALLAS_ROM_LEN_BYTES                                              8
#define DALLAS_SERIAL_NUMBER_LEN_BYTES                                    6
#define DALLAS_SERIAL_NUMBER_OFFSET_BYTES                                 1

#define DALLAS_SCRATCHPAD_T_LSB_BYTE_IDX                                  0
#define DALLAS_SCRATCHPAD_T_MSB_BYTE_IDX                                  1
#define DALLAS_SCRATCHPAD_T_LIMIT_H_BYTE_IDX                              2
#define DALLAS_SCRATCHPAD_T_LIMIT_L_BYTE_IDX                              3
#define DALLAS_SCRATCHPAD_CONFIG_BYTE_IDX                                 4
#define DALLAS_SCRATCHPAD_USER_BYTE_3_IDX                                 6
#define DALLAS_SCRATCHPAD_USER_BYTE_4_IDX                                 7
#define DALLAS_SCRATCHPAD_CRC_IDX                                         8

#define DALLAS_CONFIG_9_BITS                                              0x1F
#define DALLAS_CONFIG_10_BITS                                             0x3F
#define DALLAS_CONFIG_11_BITS                                             0x5F
#define DALLAS_CONFIG_12_BITS                                             0x7F

#define DALLAS_DELAY_MS_9_BITS                                            94
#define DALLAS_DELAY_MS_10_BITS                                           188
#define DALLAS_DELAY_MS_11_BITS                                           375
#define DALLAS_DELAY_MS_12_BITS                                           750
#define DALLAS_DELAY_MS_MAX                                               DALLAS_DELAY_MS_12_BITS

#define DALLAS_9_BITS_DATA_MASK                                           0x7F8
#define DALLAS_10_BITS_DATA_MASK                                          0x7FC
#define DALLAS_11_BITS_DATA_MASK                                          0x7FE
#define DALLAS_12_BITS_DATA_MASK                                          0x7FF

#define DALLAS_SIGN_MASK                                                  0xF800

#define DALLAS_T_STEP                                                     0.0625

#define DALLAS_READ_ROM_RX_BYTES_NUM                                      8
#define DALLAS_READ_SCRATCHPAD_RX_BYTES_NUM                               9


typedef struct
{
  uint8_t TemperatureLSB;
  uint8_t TemperatureMSB;
  uint8_t tHighRegister;
  uint8_t tLowRegister;
  uint8_t ConfigRegister;
  uint8_t reserved;
  uint8_t UserByte3;
  uint8_t UserByte4;
  uint8_t ScratchpadCRC;
}DALLAS_ScratchpadTypeDef;

typedef struct
{
  unsigned disconnect_cnt;
  unsigned read_temperature_err_cnt;
  unsigned timeout_convertion_cnt;
  
}DALLAS_FlagsTypeDef;

typedef struct
{
  uint8_t                   isConnected;
#ifdef ONEWIRE_UART_H
  UART_HandleTypeDef        *uart;
#else
  OneWire_t                 *onewire;
#endif

  uint8_t                   (*sensROM)[DALLAS_ROM_LEN_BYTES];
  DALLAS_ScratchpadTypeDef  scratchpad;
  float                     temperature;
  
  
  DALLAS_FlagsTypeDef       f;
  
}DALLAS_HandleTypeDef;
extern DALLAS_HandleTypeDef outdoor;
extern DALLAS_HandleTypeDef indoor;
extern DALLAS_HandleTypeDef bathroom;
extern DALLAS_HandleTypeDef kitchen;
extern DALLAS_HandleTypeDef big_room;
extern DALLAS_HandleTypeDef small_room;
extern DALLAS_HandleTypeDef living_room;
extern DALLAS_HandleTypeDef basement;



typedef enum
{
  DALLAS_WAIT_NONE      = 0x00,
  DALLAS_WAIT_BUS       = 0x01,
  DALLAS_WAIT_DELAY     = 0x02,
} DALLAS_WaitCondition;



/* Functions ---------------------------------------------------------------*/

void Dallas_Init(DALLAS_HandleTypeDef *sensor, UART_HandleTypeDef *huart);
void Dallas_ReadAll(void);
void Dallas_FirstInit(void);
HAL_StatusTypeDef Dallas_SensorInitByUserBytes(OneWire_t *onewire, DALLAS_HandleTypeDef *sensor, uint16_t UserBytes34, uint16_t UserBytes12);
HAL_StatusTypeDef Dallas_SensorInitByInd(OneWire_t *onewire, DALLAS_HandleTypeDef *sensor, uint8_t sens_ind);
HAL_StatusTypeDef Dallas_StartConvertTAll(OneWire_t *onewire, DALLAS_WaitCondition waitCondition, uint8_t dallas_delay_ms);
HAL_StatusTypeDef Dallas_ConvertT(DALLAS_HandleTypeDef *sensor, DALLAS_WaitCondition waitCondition);
HAL_StatusTypeDef Dallas_ReadTemperature(DALLAS_HandleTypeDef *sensor);
HAL_StatusTypeDef Dallas_ReadScratchpad(DALLAS_HandleTypeDef *sensor);
HAL_StatusTypeDef Dallas_WriteScratchpad(DALLAS_HandleTypeDef *sensor, uint8_t ExtendUserBytes);
HAL_StatusTypeDef Dallas_IsConnected(DALLAS_HandleTypeDef *sensor);
HAL_StatusTypeDef Dallas_ReadRom(DALLAS_HandleTypeDef *sensor);
HAL_StatusTypeDef Dallas_SkipRom(DALLAS_HandleTypeDef *sensor);

HAL_StatusTypeDef Dallas_WriteUserBytes(DALLAS_HandleTypeDef *sensor, uint16_t UserBytes12, uint16_t UserBytes34, uint8_t UserBytesMask);


#endif // #ifndef DALLAS_TOOLS_H