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Add ability for receiver to check if CRC is present in payload #333

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Add ability for receiver to check if CRC is present in payload #333

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eefa5d2
Update LoRa.h
mcgurk Feb 3, 2020
67fcf5b
Update LoRa.cpp
mcgurk Feb 3, 2020
301fbeb
Update keywords.txt
mcgurk Feb 3, 2020
a679a40
Update LoRa.cpp
mcgurk Feb 3, 2020
c6eafb7
Update LoRa.h
mcgurk Feb 3, 2020
1798643
Update keywords.txt
mcgurk Feb 4, 2020
64d8cc7
Update keywords.txt
mcgurk Feb 25, 2020
f1415cb
Update LoRa.cpp
mcgurk Feb 25, 2020
ae1a552
Update LoRa.h
mcgurk Feb 25, 2020
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1 change: 1 addition & 0 deletions keywords.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -45,6 +45,7 @@ setPreambleLength KEYWORD2
setSyncWord KEYWORD2
enableCrc KEYWORD2
disableCrc KEYWORD2
packetHasCrc KEYWORD2
enableInvertIQ KEYWORD2
disableInvertIQ KEYWORD2

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6 changes: 6 additions & 0 deletions src/LoRa.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@
#define REG_RX_NB_BYTES 0x13
#define REG_PKT_SNR_VALUE 0x19
#define REG_PKT_RSSI_VALUE 0x1a
#define REG_HOP_CHANNEL 0x1c
#define REG_MODEM_CONFIG_1 0x1d
#define REG_MODEM_CONFIG_2 0x1e
#define REG_PREAMBLE_MSB 0x20
Expand Down Expand Up @@ -582,6 +583,11 @@ void LoRaClass::disableCrc()
writeRegister(REG_MODEM_CONFIG_2, readRegister(REG_MODEM_CONFIG_2) & 0xfb);
}

bool LoRaClass::packetHasCrc()
{
return (readRegister(REG_HOP_CHANNEL) >> 6) & 1;
}

void LoRaClass::enableInvertIQ()
{
writeRegister(REG_INVERTIQ, 0x66);
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1 change: 1 addition & 0 deletions src/LoRa.h
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Expand Up @@ -73,6 +73,7 @@ class LoRaClass : public Stream {
void setSyncWord(int sw);
void enableCrc();
void disableCrc();
bool packetHasCrc();
void enableInvertIQ();
void disableInvertIQ();

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