Para o mario
Dependencies: mbed SoftSerial USBDevice Buffer
sx1276-mbed-hal.h
00001 /* 00002 / _____) _ | | 00003 ( (____ _____ ____ _| |_ _____ ____| |__ 00004 \____ \| ___ | (_ _) ___ |/ ___) _ \ 00005 _____) ) ____| | | || |_| ____( (___| | | | 00006 (______/|_____)_|_|_| \__)_____)\____)_| |_| 00007 (C) 2014 Semtech 00008 00009 Description: - 00010 00011 License: Revised BSD License, see LICENSE.TXT file include in the project 00012 00013 Maintainers: Miguel Luis, Gregory Cristian and Nicolas Huguenin 00014 */ 00015 00016 /* 00017 * additional development to make it more generic across multiple OS versions 00018 * (c) 2017 Helmut Tschemernjak 00019 * 30826 Garbsen (Hannover) Germany 00020 */ 00021 00022 #ifndef __SX1276_MBED_HAL_H__ 00023 #define __SX1276_MBED_HAL_H__ 00024 00025 00026 #include "sx1276.h" 00027 00028 00029 #ifdef __MBED__ 00030 #define XSPI SPI 00031 #endif 00032 00033 00034 /*! 00035 * Actual implementation of a SX1276 radio, includes some modifications to make it 00036 * compatible with the MB1 LAS board 00037 */ 00038 class SX1276Generic : public SX1276 00039 { 00040 protected: 00041 /*! 00042 * Antenna switch GPIO pins objects 00043 */ 00044 DigitalOut *_antSwitch ; 00045 DigitalOut *_antSwitchTX; 00046 DigitalOut *_antSwitchTXBoost; 00047 00048 /*! 00049 * SX1276 Reset pin 00050 */ 00051 DigitalInOut *_reset ; 00052 00053 /*! 00054 * TCXO being used with the Murata Module 00055 */ 00056 DigitalOut *_tcxo ; 00057 00058 /*! 00059 * SPI Interface 00060 */ 00061 XSPI *_spi ; // mosi, miso, sclk 00062 DigitalOut *_nss; 00063 00064 /*! 00065 * SX1276 DIO pins 00066 */ 00067 InterruptIn *_dio0 ; 00068 InterruptIn *_dio1; 00069 InterruptIn *_dio2; 00070 InterruptIn *_dio3; 00071 InterruptIn *_dio4; 00072 DigitalIn *_dio5; 00073 00074 /*! 00075 * Tx and Rx timers 00076 */ 00077 Timeout txTimeoutTimer ; 00078 Timeout rxTimeoutTimer; 00079 Timeout rxTimeoutSyncWord; 00080 00081 00082 private: 00083 /*! 00084 * triggers definition 00085 */ 00086 typedef void (SX1276Generic ::*Trigger)(void); 00087 00088 00089 public: 00090 SX1276Generic ( RadioEvents_t *events, BoardType_t board, 00091 PinName mosi, PinName miso, PinName sclk, PinName nss, PinName reset, 00092 PinName dio0, PinName dio1, PinName dio2, PinName dio3, PinName dio4, PinName dio5, 00093 PinName antSwitch = NC, PinName antSwitchTX= NC, PinName antSwitchTXBoost = NC, PinName tcxo = NC); 00094 00095 00096 SX1276Generic ( RadioEvents_t *events ); 00097 00098 virtual ~SX1276Generic (); 00099 00100 protected: 00101 /*! 00102 * @brief Initializes the radio I/Os pins interface 00103 */ 00104 virtual void IoInit( void ); 00105 00106 /*! 00107 * @brief Initializes the radio SPI 00108 */ 00109 virtual void SpiInit( void ); 00110 00111 /*! 00112 * @brief Initializes DIO IRQ handlers 00113 * 00114 * @param [IN] irqHandlers Array containing the IRQ callback functions 00115 */ 00116 virtual void IoIrqInit( DioIrqHandler *irqHandlers ); 00117 00118 /*! 00119 * @brief De-initializes the radio I/Os pins interface. 00120 * 00121 * \remark Useful when going in MCU lowpower modes 00122 */ 00123 virtual void IoDeInit( void ); 00124 00125 /*! 00126 * @brief Gets the board PA selection configuration 00127 * 00128 * @param [IN] channel Channel frequency in Hz 00129 * @retval PaSelect RegPaConfig PaSelect value 00130 */ 00131 virtual uint8_t GetPaSelect( uint32_t channel ); 00132 00133 /*! 00134 * @brief Set the RF Switch I/Os pins in Low Power mode 00135 * 00136 * @param [IN] status enable or disable 00137 */ 00138 virtual void SetAntSwLowPower( bool status ); 00139 00140 /*! 00141 * @brief Initializes the RF Switch I/Os pins interface 00142 */ 00143 virtual void AntSwInit( void ); 00144 00145 /*! 00146 * @brief De-initializes the RF Switch I/Os pins interface 00147 * 00148 * @remark Needed to decrease the power consumption in MCU lowpower modes 00149 */ 00150 virtual void AntSwDeInit( void ); 00151 00152 /*! 00153 * @brief Controls the antena switch if necessary. 00154 * 00155 * @remark see errata note 00156 * 00157 * @param [IN] opMode Current radio operating mode 00158 */ 00159 virtual void SetAntSw( uint8_t opMode ); 00160 00161 /* 00162 * The the Timeout for a given Timer. 00163 */ 00164 virtual void SetTimeout(TimeoutTimer_t timer, timeoutFuncPtr, int timeout_ms = 0); 00165 00166 /* 00167 * A simple ms sleep 00168 */ 00169 virtual void Sleep_ms(int ms); 00170 00171 00172 public: 00173 00174 /*! 00175 * @brief Detect the board connected by reading the value of the antenna switch pin 00176 */ 00177 virtual uint8_t DetectBoardType( void ); 00178 00179 /*! 00180 * @brief Checks if the given RF frequency is supported by the hardware 00181 * 00182 * @param [IN] frequency RF frequency to be checked 00183 * @retval isSupported [true: supported, false: unsupported] 00184 */ 00185 virtual bool CheckRfFrequency( uint32_t frequency ); 00186 00187 /*! 00188 * @brief Writes the radio register at the specified address 00189 * 00190 * @param [IN]: addr Register address 00191 * @param [IN]: data New register value 00192 */ 00193 virtual void Write ( uint8_t addr, uint8_t data ) ; 00194 00195 /*! 00196 * @brief Reads the radio register at the specified address 00197 * 00198 * @param [IN]: addr Register address 00199 * @retval data Register value 00200 */ 00201 virtual uint8_t Read ( uint8_t addr ) ; 00202 00203 /*! 00204 * @brief Writes multiple radio registers starting at address 00205 * 00206 * @param [IN] addr First Radio register address 00207 * @param [IN] buffer Buffer containing the new register's values 00208 * @param [IN] size Number of registers to be written 00209 */ 00210 virtual void Write( uint8_t addr, void *buffer, uint8_t size ) ; 00211 00212 /*! 00213 * @brief Reads multiple radio registers starting at address 00214 * 00215 * @param [IN] addr First Radio register address 00216 * @param [OUT] buffer Buffer where to copy the registers data 00217 * @param [IN] size Number of registers to be read 00218 */ 00219 virtual void Read ( uint8_t addr, void *buffer, uint8_t size ) ; 00220 00221 /*! 00222 * @brief Writes the buffer contents to the SX1276 FIFO 00223 * 00224 * @param [IN] buffer Buffer containing data to be put on the FIFO. 00225 * @param [IN] size Number of bytes to be written to the FIFO 00226 */ 00227 virtual void WriteFifo( void *buffer, uint8_t size ) ; 00228 00229 /*! 00230 * @brief Reads the contents of the SX1276 FIFO 00231 * 00232 * @param [OUT] buffer Buffer where to copy the FIFO read data. 00233 * @param [IN] size Number of bytes to be read from the FIFO 00234 */ 00235 virtual void ReadFifo( void *buffer, uint8_t size ) ; 00236 00237 /*! 00238 * @brief Reset the SX1276 00239 */ 00240 virtual void Reset( void ); 00241 00242 /*! 00243 * \brief Sets the radio output power. 00244 * 00245 * @param [IN] power Sets the RF output power 00246 */ 00247 virtual void SetRfTxPower( int8_t power ); 00248 00249 }; 00250 00251 #endif // __SX1276_MBED_HAL_H__
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