Diff: SX1272Lib/sx1272/sx1272-hal.cpp

Revision:

15:2e0d977dbb31

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SX1272Lib/sx1272/sx1272-hal.cpp	Thu May 17 20:37:41 2018 +0000
@@ -0,0 +1,459 @@
+/*
+ / _____)             _              | |
+( (____  _____ ____ _| |_ _____  ____| |__
+ \____ \| ___ |    (_   _) ___ |/ ___)  _ \
+ _____) ) ____| | | || |_| ____( (___| | | |
+(______/|_____)_|_|_| \__)_____)\____)_| |_|
+    (C) 2015 Semtech
+
+Description: -
+
+License: Revised BSD License, see LICENSE.TXT file include in the project
+
+Maintainers: Miguel Luis, Gregory Cristian and Nicolas Huguenin
+*/
+#include "sx1272-hal.h"
+
+#if defined ( TARGET_MOTE_L152RC )
+/*
+       PD_2=0  PD_2=1
+op PaB  rfo     rfo
+0  4.6  18.5    27.0
+1  5.6  21.1    28.1
+2  6.7  23.3    29.1
+3  7.7  25.3    30.1
+4  8.8  26.2    30.7
+5  9.8  27.3    31.2
+6  10.7 28.1    31.6
+7  11.7 28.6    32.2
+8  12.8 29.2    32.4
+9  13.7 29.9    32.9
+10 14.7 30.5    33.1
+11 15.6 30.8    33.4
+12 16.4 30.9    33.6
+13 17.1 31.0    33.7
+14 17.8 31.1    33.7
+15 18.4 31.1    33.7
+*/
+//                           txpow:   0  1  2  3  4  5  6  7  8  9 10 11 12 13 14  15  16  17  18  19
+static const uint8_t PaBTable[20] = { 0, 0, 0, 0, 0, 1, 2, 3, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15 };
+
+//                           txpow:  20 21 22 23 24 25 26 27 28 29 30
+static const uint8_t RfoTable[11] = { 1, 1, 1, 2, 2, 3, 4, 5, 6, 8, 9 };
+
+#endif
+
+const RadioRegisters_t SX1272MB2xAS::RadioRegsInit[] = RADIO_INIT_REGISTERS_VALUE;
+
+SX1272MB2xAS::SX1272MB2xAS( 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,
+#if defined ( TARGET_MOTE_L152RC )
+                            PinName rfSwitchCntr1, PinName rfSwitchCntr2 )
+#elif defined ( TARGET_MTS_MDOT_F411RE )
+                            PinName txctl, PinName rxctl )
+#else
+                            PinName antSwitch )
+#endif
+                            : SX1272( events, mosi, miso, sclk, nss, reset, dio0, dio1, dio2, dio3, dio4, dio5 ),
+#if defined ( TARGET_MOTE_L152RC )
+                            RfSwitchCntr1( rfSwitchCntr1 ),
+                            RfSwitchCntr2( rfSwitchCntr2 ),
+                            PwrAmpCntr( PD_2 )
+#elif defined ( TARGET_MTS_MDOT_F411RE )
+                            TxCtl ( txctl ),
+                            RxCtl ( rxctl )
+#else
+                            AntSwitch( antSwitch ),
+                        #if( defined ( TARGET_NUCLEO_L152RE ) ) || defined ( TARGET_NUCLEO_L476RG )
+                            Fake( D8 )
+                        #else
+                            Fake( A3 )
+                        #endif
+#endif
+{
+    this->RadioEvents = events;
+
+    Reset( );
+
+    IoInit( );
+
+    SetOpMode( RF_OPMODE_SLEEP );
+
+    IoIrqInit( dioIrq );
+
+    RadioRegistersInit( );
+
+    SetModem( MODEM_FSK );
+
+    this->settings.State = RF_IDLE ;
+}
+
+SX1272MB2xAS::SX1272MB2xAS( RadioEvents_t *events )
+                        #if defined ( TARGET_NUCLEO_L152RE ) || defined ( TARGET_NUCLEO_L476RG )
+                        :   SX1272( events, D11, D12, D13, D10, A0, D2, D3, D4, D5, A3, D9 ), // For NUCLEO L152RE dio4 is on port A3
+                            AntSwitch( A4 ),
+                            Fake( D8 )
+                        #elif defined ( TARGET_MOTE_L152RC )
+                        :   SX1272( events, PB_15, PB_14, PB_13, PB_12, PC_2, PC_6, PC_10, PC_11, PC_8, PC_9, PC_12 ),
+                            RfSwitchCntr1( PC_4 ),
+                            RfSwitchCntr2( PC_13 ),
+                            PwrAmpCntr( PD_2 )
+                        #elif defined ( TARGET_MTS_MDOT_F411RE )
+                        :   SX1272( events, LORA_MOSI, LORA_MISO, LORA_SCK, LORA_NSS, LORA_RESET, LORA_DIO0, LORA_DIO1, LORA_DIO2, LORA_DIO3, LORA_DIO4, LORA_DIO5 ),
+                            TxCtl( LORA_TXCTL ),
+                            RxCtl( LORA_RXCTL )
+                        #else
+                        :   SX1272( events, D11, D12, D13, D10, A0, D2, D3, D4, D5, D8, D9 ),
+                            AntSwitch( A4 ), 
+                            Fake( A3 )
+                        #endif
+{
+    this->RadioEvents = events;
+
+    Reset( );
+
+    boardConnected = UNKNOWN;
+
+    DetectBoardType( );
+
+    IoInit( );
+
+    SetOpMode( RF_OPMODE_SLEEP );
+    IoIrqInit( dioIrq );
+
+    RadioRegistersInit( );
+
+    SetModem( MODEM_FSK );
+
+    this->settings.State = RF_IDLE ;
+}
+
+//-------------------------------------------------------------------------
+//                      Board relative functions
+//-------------------------------------------------------------------------
+uint8_t SX1272MB2xAS::DetectBoardType( void )
+{
+    if( boardConnected == UNKNOWN )
+    {
+#if defined ( TARGET_MOTE_L152RC )
+        boardConnected = NA_MOTE_72;
+#elif defined ( TARGET_MTS_MDOT_F411RE )
+        boardConnected = MDOT_F411RE;
+#else
+        this->AntSwitch.input( );
+        wait_ms( 1 );
+        if( this->AntSwitch == 1 )
+        {
+            boardConnected = SX1272MB1DCS;
+        }
+        else
+        {
+            boardConnected = SX1272MB2XAS;
+        }
+        this->AntSwitch.output( );
+        wait_ms( 1 );
+#endif
+    }
+    return ( boardConnected );
+}
+
+void SX1272MB2xAS::IoInit( void )
+{
+    AntSwInit( );
+    SpiInit( );
+}
+
+void SX1272MB2xAS::RadioRegistersInit( )
+{
+    uint8_t i = 0;
+    for( i = 0; i < sizeof( RadioRegsInit ) / sizeof( RadioRegisters_t ); i++ )
+    {
+        SetModem( RadioRegsInit[i].Modem );
+        Write( RadioRegsInit[i].Addr, RadioRegsInit[i].Value );
+    }    
+}
+
+void SX1272MB2xAS::SpiInit( void )
+{
+    nss = 1;    
+    spi.format( 8,0 );   
+    uint32_t frequencyToSet = 8000000;
+    #if( defined ( TARGET_NUCLEO_L152RE ) || defined ( TARGET_MOTE_L152RC ) || defined ( TARGET_NUCLEO_L476RG ) ||  defined ( TARGET_LPC11U6X ) || defined ( TARGET_MTS_MDOT_F411RE ) )
+        spi.frequency( frequencyToSet );
+    #elif( defined ( TARGET_KL25Z ) ) //busclock frequency is halved -> double the spi frequency to compensate
+        spi.frequency( frequencyToSet * 2 );
+    #else
+        #warning "Check the board's SPI frequency"
+    #endif
+    wait(0.1); 
+}
+
+void SX1272MB2xAS::IoIrqInit( DioIrqHandler *irqHandlers )
+{
+#if( defined ( TARGET_NUCLEO_L152RE ) || defined ( TARGET_MOTE_L152RC ) || defined ( TARGET_NUCLEO_L476RG ) || defined ( TARGET_NUCLEO_L476RG ) ||  defined ( TARGET_LPC11U6X ) )
+    dio0.mode( PullDown );
+    dio1.mode( PullDown );
+    dio2.mode( PullDown );
+    dio3.mode( PullDown );
+    dio4.mode( PullDown );
+#endif
+    dio0.rise( mbed::callback( this, static_cast< TriggerMB2xAS > ( irqHandlers[0] ) ) );
+    dio1.rise( mbed::callback( this, static_cast< TriggerMB2xAS > ( irqHandlers[1] ) ) );
+    dio2.rise( mbed::callback( this, static_cast< TriggerMB2xAS > ( irqHandlers[2] ) ) );
+    dio3.rise( mbed::callback( this, static_cast< TriggerMB2xAS > ( irqHandlers[3] ) ) );
+    dio4.rise( mbed::callback( this, static_cast< TriggerMB2xAS > ( irqHandlers[4] ) ) );
+}
+
+void SX1272MB2xAS::IoDeInit( void )
+{
+    //nothing
+}
+
+void SX1272MB2xAS::SetRfTxPower( int8_t power )
+{
+    uint8_t paConfig = 0;
+    uint8_t paDac = 0;
+
+    paConfig = Read( REG_PACONFIG );
+    paDac = Read( REG_PADAC );
+
+#if defined ( TARGET_MOTE_L152RC )
+    if( power > 19 )
+    {
+        paConfig = ( paConfig & RF_PACONFIG_PASELECT_MASK ) | RF_PACONFIG_PASELECT_RFO;
+        paConfig = ( paConfig & RFLR_PACONFIG_OUTPUTPOWER_MASK ) | RfoTable[power - 20];
+    }
+    else
+    {
+        paConfig = ( paConfig & RF_PACONFIG_PASELECT_MASK ) | RF_PACONFIG_PASELECT_PABOOST;
+        paConfig = ( paConfig & RFLR_PACONFIG_OUTPUTPOWER_MASK ) | PaBTable[power];
+    }
+#else
+    paConfig = ( paConfig & RF_PACONFIG_PASELECT_MASK ) | GetPaSelect( this->settings.Channel );
+
+    if( ( paConfig & RF_PACONFIG_PASELECT_PABOOST ) == RF_PACONFIG_PASELECT_PABOOST )
+    {
+        if( power > 17 )
+        {
+            paDac = ( paDac & RF_PADAC_20DBM_MASK ) | RF_PADAC_20DBM_ON;
+        }
+        else
+        {
+            paDac = ( paDac & RF_PADAC_20DBM_MASK ) | RF_PADAC_20DBM_OFF;
+        }
+        if( ( paDac & RF_PADAC_20DBM_ON ) == RF_PADAC_20DBM_ON )
+        {
+            if( power < 5 )
+            {
+                power = 5;
+            }
+            if( power > 20 )
+            {
+                power = 20;
+            }
+            paConfig = ( paConfig & RFLR_PACONFIG_OUTPUTPOWER_MASK ) | ( uint8_t )( ( uint16_t )( power - 5 ) & 0x0F );
+        }
+        else
+        {
+            if( power < 2 )
+            {
+                power = 2;
+            }
+            if( power > 17 )
+            {
+                power = 17;
+            }
+            paConfig = ( paConfig & RFLR_PACONFIG_OUTPUTPOWER_MASK ) | ( uint8_t )( ( uint16_t )( power - 2 ) & 0x0F );
+        }
+    }
+    else
+    {
+        if( power < -1 )
+        {
+            power = -1;
+        }
+        if( power > 14 )
+        {
+            power = 14;
+        }
+        paConfig = ( paConfig & RFLR_PACONFIG_OUTPUTPOWER_MASK ) | ( uint8_t )( ( uint16_t )( power + 1 ) & 0x0F );
+    }
+#endif
+    Write( REG_PACONFIG, paConfig );
+    Write( REG_PADAC, paDac );
+}
+
+uint8_t SX1272MB2xAS::GetPaSelect( uint32_t channel )
+{
+    if( boardConnected == SX1272MB1DCS || boardConnected == MDOT_F411RE )
+    {
+        return RF_PACONFIG_PASELECT_PABOOST;
+    }
+    else
+    {
+        return RF_PACONFIG_PASELECT_RFO;
+    }
+}
+
+void SX1272MB2xAS::SetAntSwLowPower( bool status )
+{
+    if( isRadioActive != status )
+    {
+        isRadioActive = status;
+    
+        if( status == false )
+        {
+            AntSwInit( );
+        }
+        else
+        {
+            AntSwDeInit( );
+        }
+    }
+}
+
+void SX1272MB2xAS::AntSwInit( void )
+{
+#if defined ( TARGET_MOTE_L152RC )
+    this->RfSwitchCntr1 = 0;
+    this->RfSwitchCntr2 = 0;
+    this->PwrAmpCntr = 0;
+#elif defined ( TARGET_MTS_MDOT_F411RE )
+    this->TxCtl = 0;
+    this->RxCtl = 0;
+#else
+    this->AntSwitch = 0;
+#endif
+}
+
+void SX1272MB2xAS::AntSwDeInit( void )
+{
+#if defined ( TARGET_MOTE_L152RC )
+    this->RfSwitchCntr1 = 0;
+    this->RfSwitchCntr2 = 0;
+    this->PwrAmpCntr = 0;
+#elif defined ( TARGET_MTS_MDOT_F411RE )
+    this->TxCtl = 0;
+    this->RxCtl = 0;
+#else
+    this->AntSwitch = 0;
+#endif
+}
+
+void SX1272MB2xAS::SetAntSw( uint8_t opMode )
+{
+    switch( opMode )
+    {
+    case RFLR_OPMODE_TRANSMITTER:
+#if defined ( TARGET_MOTE_L152RC )
+        if( ( Read( REG_PACONFIG ) & RF_PACONFIG_PASELECT_PABOOST ) == RF_PACONFIG_PASELECT_PABOOST )
+        {
+            this->RfSwitchCntr1 = 1;
+            this->RfSwitchCntr2 = 0;
+        }
+        else
+        {
+            this->RfSwitchCntr1 = 0;
+            this->RfSwitchCntr2 = 1;
+        }
+#elif defined ( TARGET_MTS_MDOT_F411RE )
+        /* SKY13350 */
+        this->TxCtl = 1;
+        this->RxCtl = 0;
+#else
+        this->AntSwitch = 1;
+#endif
+        break;
+    case RFLR_OPMODE_RECEIVER:
+    case RFLR_OPMODE_RECEIVER_SINGLE:
+    case RFLR_OPMODE_CAD:
+#if defined ( TARGET_MOTE_L152RC )
+        this->RfSwitchCntr1 = 1;
+        this->RfSwitchCntr2 = 1;
+#elif defined ( TARGET_MTS_MDOT_F411RE )
+        /* SKY13350 */
+        this->TxCtl = 0;
+        this->RxCtl = 1;
+#else
+        this->AntSwitch = 0;
+#endif
+        break;
+    default:
+#if defined ( TARGET_MOTE_L152RC )
+        this->RfSwitchCntr1 = 0;
+        this->RfSwitchCntr2 = 0;
+        this->PwrAmpCntr = 0;
+#elif defined ( TARGET_MTS_MDOT_F411RE )
+        /* SKY13350 */
+        this->TxCtl = 0;
+        this->RxCtl = 0;
+#else
+        this->AntSwitch = 0;
+#endif
+        break;
+    }
+}
+
+bool SX1272MB2xAS::CheckRfFrequency( uint32_t frequency )
+{
+    // Implement check. Currently all frequencies are supported
+    return true;
+}
+
+void SX1272MB2xAS::Reset( void )
+{
+    reset.output( );
+    reset = 0;
+    wait_ms( 1 );
+    reset.input( );
+    wait_ms( 6 );
+}
+
+void SX1272MB2xAS::Write( uint8_t addr, uint8_t data )
+{
+    Write( addr, &data, 1 );
+}
+
+uint8_t SX1272MB2xAS::Read( uint8_t addr )
+{
+    uint8_t data;
+    Read( addr, &data, 1 );
+    return data;
+}
+
+void SX1272MB2xAS::Write( uint8_t addr, uint8_t *buffer, uint8_t size )
+{
+    uint8_t i;
+
+    nss = 0;
+    spi.write( addr | 0x80 );
+    for( i = 0; i < size; i++ )
+    {
+        spi.write( buffer[i] );
+    }
+    nss = 1;
+}
+
+void SX1272MB2xAS::Read( uint8_t addr, uint8_t *buffer, uint8_t size )
+{
+    uint8_t i;
+
+    nss = 0;
+    spi.write( addr & 0x7F );
+    for( i = 0; i < size; i++ )
+    {
+        buffer[i] = spi.write( 0 );
+    }
+    nss = 1;
+}
+
+void SX1272MB2xAS::WriteFifo( uint8_t *buffer, uint8_t size )
+{
+    Write( 0, buffer, size );
+}
+
+void SX1272MB2xAS::ReadFifo( uint8_t *buffer, uint8_t size )
+{
+    Read( 0, buffer, size );
+}