li lei
1
Diff: sx1276/sx1276-hal.h
- Revision:
- 0:7e14d7c443f1
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sx1276/sx1276-hal.h Sat Oct 08 02:35:14 2016 +0000
@@ -0,0 +1,205 @@
+/*
+ / _____) _ | |
+( (____ _____ ____ _| |_ _____ ____| |__
+ \____ \| ___ | (_ _) ___ |/ ___) _ \
+ _____) ) ____| | | || |_| ____( (___| | | |
+(______/|_____)_|_|_| \__)_____)\____)_| |_|
+ (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 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 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 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__