sx1276-hal.h
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/*
/ _____) _ | |
( (____ _____ ____ _| |_ _____ ____| |__
\____ \| ___ | (_ _) ___ |/ ___) _ \
_____) ) ____| | | || |_| ____( (___| | | |
(______/|_____)_|_|_| \__)_____)\____)_| |_|
(C) 2014 Semtech
Description: -
License: Revised BSD License, see LICENSE.TXT file include in the project
Maintainers: Miguel Luis, Gregory Cristian and Nicolas Huguenin
*/
#ifndef __SX1276_HAL_H__
#define __SX1276_HAL_H__
#include "sx1276.h"
/*!
* \brief Radio hardware registers initialization definition
*
* \remark Can be automatically generated by the SX1276 GUI (not yet implemented)
*/
#define RADIO_INIT_REGISTERS_VALUE \
{ \
{ MODEM_FSK , REG_LNA , 0x23 },\
{ MODEM_FSK , REG_RXCONFIG , 0x1E },\
{ MODEM_FSK , REG_RSSICONFIG , 0xD2 },\
{ MODEM_FSK , REG_PREAMBLEDETECT , 0xAA },\
{ MODEM_FSK , REG_OSC , 0x07 },\
{ MODEM_FSK , REG_SYNCCONFIG , 0x12 },\
{ MODEM_FSK , REG_SYNCVALUE1 , 0xC1 },\
{ MODEM_FSK , REG_SYNCVALUE2 , 0x94 },\
{ MODEM_FSK , REG_SYNCVALUE3 , 0xC1 },\
{ MODEM_FSK , REG_PACKETCONFIG1 , 0xD8 },\
{ MODEM_FSK , REG_FIFOTHRESH , 0x8F },\
{ MODEM_FSK , REG_IMAGECAL , 0x02 },\
{ MODEM_FSK , REG_DIOMAPPING1 , 0x00 },\
{ MODEM_FSK , REG_DIOMAPPING2 , 0x30 },\
{ MODEM_LORA, REG_LR_PAYLOADMAXLENGTH, 0x40 },\
} \
/*!
* Actual implementation of a SX1276 radio, includes some modifications to make it compatible with the MB1 LAS board
*/
class SX1276MB1xAS : public SX1276
{
protected:
/*!
* Antenna switch GPIO pins objects
*/
DigitalInOut antSwitch;
DigitalIn fake;
private:
static const RadioRegisters_t RadioRegsInit[];
public:
SX1276MB1xAS( RadioEvents_t *events,
PinName mosi, PinName miso, PinName sclk, PinName nss, PinName reset,
PinName dio0, PinName dio1, PinName dio2, PinName dio3, PinName dio4, PinName dio5,
PinName antSwitch );
SX1276MB1xAS( RadioEvents_t *events );
virtual ~SX1276MB1xAS( ) { };
protected:
/*!
* @brief Initializes the radio I/Os pins interface
*/
virtual void IoInit( void );
/*!
* @brief Initializes the radio registers
*/
virtual void RadioRegistersInit( );
/*!
* @brief Initializes the radio SPI
*/
virtual void SpiInit( void );
/*!
* @brief Initializes DIO IRQ handlers
*
* @param [IN] irqHandlers Array containing the IRQ callback functions
*/
virtual void IoIrqInit( DioIrqHandler *irqHandlers );
/*!
* @brief De-initializes the radio I/Os pins interface.
*
* \remark Useful when going in MCU lowpower modes
*/
virtual void IoDeInit( void );
/*!
* @brief Gets the board PA selection configuration
*
* @param [IN] channel Channel frequency in Hz
* @retval PaSelect RegPaConfig PaSelect value
*/
virtual uint8_t GetPaSelect( uint32_t channel );
/*!
* @brief Set the RF Switch I/Os pins in Low Power mode
*
* @param [IN] status enable or disable
*/
virtual void SetAntSwLowPower( bool status );
/*!
* @brief Initializes the RF Switch I/Os pins interface
*/
virtual void AntSwInit( void );
/*!
* @brief De-initializes the RF Switch I/Os pins interface
*
* \remark Needed to decrease the power consumption in MCU lowpower modes
*/
virtual void AntSwDeInit( void );
/*!
* @brief Controls the antena switch if necessary.
*
* \remark see errata note
*
* @param [IN] rxTx [1: Tx, 0: Rx]
*/
virtual void SetAntSw( uint8_t rxTx );
public:
/*!
* @brief Detect the board connected by reading the value of the antenna switch pin
*/
virtual uint8_t DetectBoardType( void );
/*!
* @brief Checks if the given RF frequency is supported by the hardware
*
* @param [IN] frequency RF frequency to be checked
* @retval isSupported [true: supported, false: unsupported]
*/
virtual bool CheckRfFrequency( uint32_t frequency );
/*!
* @brief Writes the radio register at the specified address
*
* @param [IN]: addr Register address
* @param [IN]: data New register value
*/
virtual void virtual void Write ( uint8_t addr, uint8_t data ) ; ( uint8_t addr, uint8_t data ) virtual void Write ( uint8_t addr, uint8_t data ) ;
/*!
* @brief Reads the radio register at the specified address
*
* @param [IN]: addr Register address
* @retval data Register value
*/
virtual uint8_t Read ( uint8_t addr ) ;
/*!
* @brief Writes multiple radio registers starting at address
*
* @param [IN] addr First Radio register address
* @param [IN] buffer Buffer containing the new register's values
* @param [IN] size Number of registers to be written
*/
virtual void virtual void Write( uint8_t addr, uint8_t *buffer, uint8_t size ) ;( uint8_t addr, uint8_t *buffer, uint8_t size ) virtual void Write( uint8_t addr, uint8_t *buffer, uint8_t size ) ;
/*!
* @brief Reads multiple radio registers starting at address
*
* @param [IN] addr First Radio register address
* @param [OUT] buffer Buffer where to copy the registers data
* @param [IN] size Number of registers to be read
*/
virtual void Read ( uint8_t addr, uint8_t *buffer, uint8_t size ) ;
/*!
* @brief Writes the buffer contents to the SX1276 FIFO
*
* @param [IN] buffer Buffer containing data to be put on the FIFO.
* @param [IN] size Number of bytes to be written to the FIFO
*/
virtual void virtual void WriteFifo( uint8_t *buffer, uint8_t size ) ;( uint8_t *buffer, uint8_t size ) virtual void WriteFifo( uint8_t *buffer, uint8_t size ) ;
/*!
* @brief Reads the contents of the SX1276 FIFO
*
* @param [OUT] buffer Buffer where to copy the FIFO read data.
* @param [IN] size Number of bytes to be read from the FIFO
*/
virtual void ReadFifo( uint8_t *buffer, uint8_t size ) ;
/*!
* @brief Reset the SX1276
*/
virtual void Reset( void );
};
#endif // __SX1276_HAL_H__