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 * @defgroup mt8870 Mitel MT8870 DTMF-receiver Library
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 * @defgroup mt8870 Mitel MT8870 DTMF-receiver Library
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 * @code #include <drivers/DTMF/mt8870/mt8870.h> @endcode
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 * @code #include <drivers/DTMF/mt8870/mt8870.h> @endcode
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 *
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 *
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 * @brief Driver for MT8870 DTMF receiver
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 * @brief Driver for MT8870 DTMF receiver
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 *
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 *
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 * Driver handle complete CallerID. Init and call start.
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 * Driver handle only reception of dtmf codes.
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 * When the poll function return MT8870_Ret_Finished
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 * When the pop function return DTMF_Ret_Data_avail
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 * data can be found in buffer set with the start function.
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 * data can be found in the buffer.
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 * The length pointer supplied with function Poll is used to
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 * The length pointer supplied with function Pop is used to
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 * find out the length of data.
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 * find out the length of data.
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 *
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 *
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 * @author  Anders Runeson
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 * @author  Anders Runeson
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 * @date    2007-08-24
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 * @date    2007-08-24
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 */
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 */
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/**@{*/
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/**@{*/
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#ifndef MT8870_H_
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#ifndef MT8870_H_
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#define MT8870_H_
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#define MT8870_H_
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#include <drivers/DTMF/dtmf.h>
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/*-----------------------------------------------------------------------------
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/*-----------------------------------------------------------------------------
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 * Defines
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 * Defines
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 *---------------------------------------------------------------------------*/
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 *---------------------------------------------------------------------------*/
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/* Should be defined in user config.inc */
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#if 0
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/*
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 * Signals connected from MT8870 is
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 * StD, Q1, Q2, Q3 och Q4
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 */
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#define MT_StD_PIN      PIND
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#define MT_StD_DDR      DDRD
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#define MT_StD_BIT      PD2
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#define MT_Q1_PIN       PINC
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#define MT_Q1_DDR       DDRC
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#define MT_Q1_BIT       PC0
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#define MT_Q2_PIN       PINC
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#define MT_Q2_DDR       DDRC
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#define MT_Q2_BIT       PC1
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#define MT_Q3_PIN       PINC
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#define MT_Q3_DDR       DDRC
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#define MT_Q3_BIT       PC2
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#define MT_Q4_PIN       PINC
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#define MT_Q4_DDR       DDRC
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#define MT_Q4_BIT       PC3
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/* Time to elapse to know when number sequence is over */
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#define DIAL_TIMEOUT    1800
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/* Maximum number of tones to store for the number */
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#define MAX_TONES       16
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#endif
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/**
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 * @brief Return values.
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 */
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typedef enum {
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    MT8870_Ret_Not_Finished,    /**< No complete number yet. */
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    MT8870_Ret_Finished,        /**< Data is available. */
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    MT8870_Ret_Overflow,        /**< Buffer was overflown. */
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} MT8870_Ret_t;
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/*-----------------------------------------------------------------------------
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/*-----------------------------------------------------------------------------
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 * Public Function Prototypes
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 * Public Function Prototypes
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 *---------------------------------------------------------------------------*/
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 *---------------------------------------------------------------------------*/
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/**
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/**
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 * @brief Initialize MT8870 CallerID receiver
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 * @brief Initialize MT8870 CallerID receiver
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 */
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 */
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void DTMFin_Init(void);
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void mt8870_Init(void);
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/**
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/**
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 * @brief Poll driver for status
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 * @brief Poll driver for status
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 *
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 *
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 * Function returns MT8870_Ret_Finished if a complete
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 * Function returns MT8870_Ret_Finished if a complete
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 * number is stored in buffer supplied with the Start
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 * number is stored in buffer supplied with the Start
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 * function.
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 * function.
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 */
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 */
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MT8870_Ret_t DTMFin_Poll(uint8_t *len);
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DTMF_Ret_t mt8870_Pop(uint8_t *buffer, uint8_t *len);
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/**
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 * @brief Start the CallerID  
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 */
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void DTMFin_Start(uint8_t *buffer);
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/*-----------------------------------------------------------------------------
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 * Private Function Prototypes
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 *---------------------------------------------------------------------------*/
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void DTMFin_timer_callback(uint8_t timer);
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/**@}*/
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/**@}*/
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#endif /*MT8870_H_*/
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#endif /*MT8870_H_*/