Fix Fifo Pointer in Continuous Mode

Eric-A-Marks · Eric-A-Marks · commit 846f30cd6137 · 2020-04-29T07:57:23.000-05:00
In continuous mode we need to check and set the fifo pointer before every read, otherwise data may be lost.
diff --git a/components/lora/COMPONENT_SX1272/SX1272_LoRaRadio.cpp b/components/lora/COMPONENT_SX1272/SX1272_LoRaRadio.cpp
@@ -1826,6 +1826,7 @@ void SX1272_LoRaRadio::handle_dio0_irq()
                     }
 
                     _rf_settings.lora_packet_handler.size = read_register(REG_LR_RXNBBYTES);
+                    write_to_register(REG_LR_FIFOADDRPTR, read_register(REG_LR_FIFORXCURRENTADDR));
                     read_fifo(_data_buffer, _rf_settings.lora_packet_handler.size);
 
                     if (_rf_settings.lora.rx_continuous == false) {
diff --git a/components/lora/COMPONENT_SX1276/SX1276_LoRaRadio.cpp b/components/lora/COMPONENT_SX1276/SX1276_LoRaRadio.cpp
@@ -1975,6 +1975,7 @@ void SX1276_LoRaRadio::handle_dio0_irq()
                     }
 
                     _rf_settings.lora_packet_handler.size = read_register(REG_LR_RXNBBYTES);
+                    write_to_register(REG_LR_FIFOADDRPTR, read_register(REG_LR_FIFORXCURRENTADDR));
                     read_fifo(_data_buffer, _rf_settings.lora_packet_handler.size);
 
                     if (_rf_settings.lora.rx_continuous == false) {

Original file line number	Diff line number	Diff line change
`@@ -1826,6 +1826,7 @@ void SX1272_LoRaRadio::handle_dio0_irq()`
`1826`	`1826`	`}`
`1827`	`1827`
`1828`	`1828`	`_rf_settings.lora_packet_handler.size = read_register(REG_LR_RXNBBYTES);`
	`1829`	`+ write_to_register(REG_LR_FIFOADDRPTR, read_register(REG_LR_FIFORXCURRENTADDR));`
`1829`	`1830`	`read_fifo(_data_buffer, _rf_settings.lora_packet_handler.size);`
`1830`	`1831`
`1831`	`1832`	`if (_rf_settings.lora.rx_continuous == false) {`
Original file line number	Diff line number	Diff line change
`@@ -1975,6 +1975,7 @@ void SX1276_LoRaRadio::handle_dio0_irq()`
`1975`	`1975`	`}`
`1976`	`1976`
`1977`	`1977`	`_rf_settings.lora_packet_handler.size = read_register(REG_LR_RXNBBYTES);`
	`1978`	`+ write_to_register(REG_LR_FIFOADDRPTR, read_register(REG_LR_FIFORXCURRENTADDR));`
`1978`	`1979`	`read_fifo(_data_buffer, _rf_settings.lora_packet_handler.size);`
`1979`	`1980`
`1980`	`1981`	`if (_rf_settings.lora.rx_continuous == false) {`