Samira Afzal
testing hex for lorawan communication
Diff: SX1272/SX1272_LoRaRadio.cpp
- Revision:
- 1:3bdd6f917bf5
- Parent:
- 0:561d07a737bc
- Child:
- 2:6c5853c2fd72
--- a/SX1272/SX1272_LoRaRadio.cpp Thu Nov 12 19:26:24 2020 +0000
+++ b/SX1272/SX1272_LoRaRadio.cpp Thu Nov 12 21:35:41 2020 +0000
@@ -47,8 +47,6 @@
#define XTAL_FREQ 32000000
#define FREQ_STEP 61.03515625
-
-
enum RadioVariant {
SX1272UNDEFINED = 0,
SX1272MB2XAS,
@@ -139,8 +137,8 @@
#define SIG_DIO1 0x02
#define SIG_DIO2 0x04
#define SIG_DIO3 0x08
-#define SIG_DIO4 0x10
-#define SIG_DIO5 0x20
+#define SIG_LRHOP 0x10
+#define SIG_LRCAD 0x20
#define SIG_TIMOUT 0x40
#define SIG_RXSYNC 0x80
@@ -174,7 +172,7 @@
: _spi(spi_mosi, spi_miso, spi_sclk),
_chip_select(nss, 1),
_reset_ctl(reset),
- _dio0_ctl(dio0), _dio1_ctl(dio1), _dio2_ctl(dio2), _dio3_ctl(dio3), _dio4_ctl(dio4), _dio5_ctl(dio5),
+ _dio0_ctl(dio0), _dio1_ctl(dio1), _dio2_ctl(dio2),
_rf_switch_ctl1(rf_switch_ctl1, 0), _rf_switch_ctl2(rf_switch_ctl2, 0), _txctl(txctl, 0), _rxctl(rxctl, 0),
_ant_switch(antswitch, PIN_INPUT, PullUp, 0),
_pwr_amp_ctl(pwr_amp_ctl),
@@ -192,8 +190,7 @@
_rf_ctrls.txctl = txctl;
_dio1_pin = dio1;
- _dio4_pin = dio4;
- _dio5_pin = dio5;
+ _dio2_pin = dio2;
_radio_events = NULL;
@@ -319,6 +316,8 @@
// stop timers
tx_timeout_timer.detach();
rx_sync_timer.detach();
+ lora_cad_timer.detach();
+ lora_hop_timer.detach();
// put module in sleep mode
set_operation_mode(RF_OPMODE_SLEEP);
@@ -846,7 +845,8 @@
case MODEM_LORA:
- if (_rf_settings.lora.freq_hop_on == true) {
+ if (_rf_settings.lora.freq_hop_on == true)
+ {
write_to_register(REG_LR_IRQFLAGSMASK,
RFLR_IRQFLAGS_RXTIMEOUT |
RFLR_IRQFLAGS_RXDONE |
@@ -862,7 +862,9 @@
RFLR_DIOMAPPING1_DIO2_MASK) |
RFLR_DIOMAPPING1_DIO0_01 |
RFLR_DIOMAPPING1_DIO2_01);
- } else {
+ }
+ else
+ {
write_to_register(REG_LR_IRQFLAGSMASK,
RFLR_IRQFLAGS_RXTIMEOUT |
RFLR_IRQFLAGS_RXDONE |
@@ -882,8 +884,15 @@
}
_rf_settings.state = RF_TX_RUNNING;
+
tx_timeout_timer.attach_us(callback(this, &SX1272_LoRaRadio::timeout_irq_isr),
timeout * 1000);
+
+ if ((_rf_settings.modem == MODEM_LORA) && (_rf_settings.lora.freq_hop_on == true))
+ {
+ lora_hop_timer.attach_us(callback(this, &SX1272_LoRaRadio::lrhop_irq_isr), 1000);
+ }
+
set_operation_mode(RF_OPMODE_TRANSMITTER);
}
@@ -1012,8 +1021,13 @@
}
else
{
+ set_operation_mode(RFLR_OPMODE_RECEIVER_SINGLE);
rx_sync_timer.attach_us(callback(this, &SX1272_LoRaRadio::rxsync_irq_isr), 1000);
- set_operation_mode(RFLR_OPMODE_RECEIVER_SINGLE);
+ }
+
+ if (_rf_settings.lora.freq_hop_on == true)
+ {
+ lora_hop_timer.attach_us(callback(this, &SX1272_LoRaRadio::lrhop_irq_isr), 1000);
}
}
@@ -1116,8 +1130,6 @@
push_trace(SX1272_start_cad);
- printf("start cad!\n");
-
switch (_rf_settings.modem) {
case MODEM_FSK:
break;
@@ -1137,9 +1149,8 @@
RFLR_DIOMAPPING1_DIO3_00);
set_operation_mode(RFLR_OPMODE_CAD);
-
_rf_settings.state = RF_CAD;
-
+ lora_cad_timer.attach_us(callback(this, &SX1272_LoRaRadio::lrcad_irq_isr), 1000);
break;
default:
break;
@@ -1178,6 +1189,8 @@
push_trace(SX1272_standby);
tx_timeout_timer.detach();
rx_sync_timer.detach();
+ lora_cad_timer.detach();
+ lora_hop_timer.detach();
set_operation_mode(RF_OPMODE_STANDBY);
_rf_settings.state = RF_IDLE;
}
@@ -1245,14 +1258,11 @@
if (flags & SIG_DIO2) {
handle_dio2_irq();
}
- if (flags & SIG_DIO3) {
- handle_dio3_irq();
+ if (flags & SIG_LRHOP) {
+ handle_lrhop_irq();
}
- if (flags & SIG_DIO4) {
- handle_dio4_irq();
- }
- if (flags & SIG_DIO5) {
- handle_dio5_irq();
+ if (flags & SIG_LRCAD) {
+ handle_lrcad_irq();
}
if (flags & SIG_TIMOUT) {
handle_timeout_irq();
@@ -1629,14 +1639,8 @@
_dio1_ctl.rise(callback(this, &SX1272_LoRaRadio::dio1_irq_isr));
}
- _dio2_ctl.rise(callback(this, &SX1272_LoRaRadio::dio2_irq_isr));
- _dio3_ctl.rise(callback(this, &SX1272_LoRaRadio::dio3_irq_isr));
-
- if (_dio4_pin != NC) {
- _dio4_ctl.rise(callback(this, &SX1272_LoRaRadio::dio4_irq_isr));
- }
- if (_dio5_pin != NC) {
- _dio5_ctl.rise(callback(this, &SX1272_LoRaRadio::dio5_irq_isr));
+ if (_dio2_pin != NC) {
+ _dio2_ctl.rise(callback(this, &SX1272_LoRaRadio::dio2_irq_isr));
}
}
@@ -1708,33 +1712,6 @@
#endif
}
-void SX1272_LoRaRadio::dio3_irq_isr()
-{
-#ifdef MBED_CONF_RTOS_PRESENT
- irq_thread.flags_set(SIG_DIO3);
-#else
- handle_dio3_irq();
-#endif
-}
-
-void SX1272_LoRaRadio::dio4_irq_isr()
-{
-#ifdef MBED_CONF_RTOS_PRESENT
- irq_thread.flags_set(SIG_DIO4);
-#else
- handle_dio4_irq();
-#endif
-}
-
-void SX1272_LoRaRadio::dio5_irq_isr()
-{
-#ifdef MBED_CONF_RTOS_PRESENT
- irq_thread.flags_set(SIG_DIO5);
-#else
- handle_dio5_irq();
-#endif
-}
-
// This is not a hardware interrupt
// we invoke it ourselves based upon
// our timers
@@ -1756,6 +1733,24 @@
#endif
}
+void SX1272_LoRaRadio::lrcad_irq_isr()
+{
+#ifdef MBED_CONF_RTOS_PRESENT
+ irq_thread.flags_set(SIG_LRCAD);
+#else
+ handle_lrcad_irq();
+#endif
+}
+
+void SX1272_LoRaRadio::lrhop_irq_isr()
+{
+#ifdef MBED_CONF_RTOS_PRESENT
+ irq_thread.flags_set(SIG_LRHOP);
+#else
+ handle_lrhop_irq();
+#endif
+}
+
/******************************************************************************
* Interrupt Handlers *
*****************************************************************************/
@@ -2046,16 +2041,6 @@
break;
case MODEM_LORA:
- if( _rf_settings.lora.freq_hop_on == true )
- {
- // Clear Irq
- write_to_register( REG_LR_IRQFLAGS, RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL );
-
- if( ( _radio_events != NULL ) && (_radio_events->fhss_change_channel ) )
- {
- _radio_events->fhss_change_channel((read_register( REG_LR_HOPCHANNEL ) & RFLR_HOPCHANNEL_CHANNEL_MASK ));
- }
- }
break;
default:
break;
@@ -2067,16 +2052,6 @@
case MODEM_FSK:
break;
case MODEM_LORA:
- if( _rf_settings.lora.freq_hop_on == true )
- {
- // Clear Irq
- write_to_register( REG_LR_IRQFLAGS, RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL );
-
- if( (_radio_events != NULL ) && ( _radio_events->fhss_change_channel ) )
- {
- _radio_events->fhss_change_channel((read_register( REG_LR_HOPCHANNEL ) & RFLR_HOPCHANNEL_CHANNEL_MASK ));
- }
- }
break;
default:
break;
@@ -2087,73 +2062,6 @@
}
}
-void SX1272_LoRaRadio::handle_dio3_irq( void )
-{
- push_trace(SX1272_dio3_irq);
-
- switch( _rf_settings.modem )
- {
- case MODEM_FSK:
- break;
- case MODEM_LORA:
- if( ( read_register( REG_LR_IRQFLAGS ) & RFLR_IRQFLAGS_CADDETECTED ) == RFLR_IRQFLAGS_CADDETECTED )
- {
- // Clear Irq
- write_to_register( REG_LR_IRQFLAGS, RFLR_IRQFLAGS_CADDETECTED | RFLR_IRQFLAGS_CADDONE );
- if( ( _radio_events != NULL ) && ( _radio_events->cad_done ) )
- {
- _radio_events->cad_done( true );
- }
- }
- else
- {
- // Clear Irq
- write_to_register( REG_LR_IRQFLAGS, RFLR_IRQFLAGS_CADDONE );
- if( ( _radio_events != NULL ) && ( _radio_events->cad_done ) )
- {
- _radio_events->cad_done( false );
- }
- }
- break;
- default:
- break;
- }
-}
-
-void SX1272_LoRaRadio::handle_dio4_irq(void)
-{
- push_trace(SX1272_dio4_irq);
-
- // is asserted when a preamble is detected (FSK modem only)
- switch (_rf_settings.modem) {
- case MODEM_FSK: {
- if (_rf_settings.fsk_packet_handler.preamble_detected == 0) {
- _rf_settings.fsk_packet_handler.preamble_detected = 1;
- }
- }
- break;
- case MODEM_LORA:
- break;
- default:
- break;
- }
-}
-
-void SX1272_LoRaRadio::handle_dio5_irq()
-{
- push_trace(SX1272_dio5_irq);
-
- switch( _rf_settings.modem )
- {
- case MODEM_FSK:
- break;
- case MODEM_LORA:
- break;
- default:
- break;
- }
-}
-
void SX1272_LoRaRadio::handle_timeout_irq()
{
push_trace(SX1272_timeout_irq);
@@ -2188,26 +2096,95 @@
{
rx_sync_timer.detach();
- if (_rf_settings.state == RF_RX_RUNNING)
+ if (_rf_settings.modem != MODEM_LORA) {
+ return;
+ }
+ if (_rf_settings.state != RF_RX_RUNNING) {
+ return;
+ }
+
+ if((read_register(REG_OPMODE) & 0x7) == RFLR_OPMODE_RECEIVER_SINGLE)
+ {
+ rx_sync_timer.attach_us(callback(this, &SX1272_LoRaRadio::rxsync_irq_isr), 1000);
+ }
+ else
{
- if((read_register(REG_OPMODE) & 0x7) == RFLR_OPMODE_RECEIVER_SINGLE)
+ push_trace(SX1272_rxsymb_irq);
+
+ // Sync time out
+ _rf_settings.state = RF_IDLE;
+
+ if ((_radio_events != NULL) && (_radio_events->rx_timeout)) {
+ _radio_events->rx_timeout();
+ }
+ }
+}
+
+void SX1272_LoRaRadio::handle_lrcad_irq()
+{
+ lora_cad_timer.detach();
+
+ if (_rf_settings.modem != MODEM_LORA) {
+ return;
+ }
+ if (_rf_settings.state != RF_CAD) {
+ return;
+ }
+
+ if((read_register(REG_OPMODE) & 0x7) == RFLR_OPMODE_CAD)
+ {
+ lora_cad_timer.attach_us(callback(this, &SX1272_LoRaRadio::lrcad_irq_isr), 1000);
+ }
+ else
+ {
+ _rf_settings.state = RF_IDLE;
+
+ if( ( read_register( REG_LR_IRQFLAGS ) & RFLR_IRQFLAGS_CADDETECTED ) == RFLR_IRQFLAGS_CADDETECTED )
{
- rx_sync_timer.attach_us(callback(this, &SX1272_LoRaRadio::rxsync_irq_isr), 1000);
+ // Clear Irq
+ write_to_register( REG_LR_IRQFLAGS, RFLR_IRQFLAGS_CADDETECTED | RFLR_IRQFLAGS_CADDONE );
+
+ if( ( _radio_events != NULL ) && ( _radio_events->cad_done ) )
+ {
+ _radio_events->cad_done( true );
+ }
}
else
{
- push_trace(SX1272_rxsymb_irq);
-
- // Sync time out
- _rf_settings.state = RF_IDLE;
-
- if ((_radio_events != NULL) && (_radio_events->rx_timeout)) {
- _radio_events->rx_timeout();
+ // Clear Irq
+ write_to_register( REG_LR_IRQFLAGS, RFLR_IRQFLAGS_CADDONE );
+ if( ( _radio_events != NULL ) && ( _radio_events->cad_done ) )
+ {
+ _radio_events->cad_done( false );
}
}
}
}
+void SX1272_LoRaRadio::handle_lrhop_irq()
+{
+ lora_hop_timer.detach();
+
+ if ((_rf_settings.state != RF_TX_RUNNING) && (_rf_settings.state != RF_RX_RUNNING)) {
+ return;
+ }
+ if ((_rf_settings.modem != MODEM_LORA) || (_rf_settings.lora.freq_hop_on == false)) {
+ return;
+ }
+
+ lora_hop_timer.attach_us(callback(this, &SX1272_LoRaRadio::lrhop_irq_isr), 1000);
+
+ if((read_register(REG_LR_IRQFLAGS) & RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL) == RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL)
+ {
+ write_to_register( REG_LR_IRQFLAGS, RFLR_IRQFLAGS_FHSSCHANGEDCHANNEL );
+
+ if((_radio_events != NULL) && (_radio_events->fhss_change_channel))
+ {
+ _radio_events->fhss_change_channel((read_register( REG_LR_HOPCHANNEL ) & RFLR_HOPCHANNEL_CHANNEL_MASK));
+ }
+ }
+}
+
bool SX1272_LoRaRadio::pop_trace(SX1272_Trace &trace)
{
if (trace_buf.empty()) {