From f068a150291f6716b0280dab5b0f1ff5a6458491 Mon Sep 17 00:00:00 2001
From: jgromes <jgromes@users.noreply.github.com>
Date: Thu, 28 May 2020 21:07:23 +0200
Subject: [PATCH] [SX127x] Added getIRQFlags and getModemStatus methods (#145)
---
keywords.txt | 2 ++
src/modules/SX127x/SX127x.cpp | 25 +++++++++++++++++++++++++
src/modules/SX127x/SX127x.h | 16 ++++++++++++++++
3 files changed, 43 insertions(+)
diff --git a/keywords.txt b/keywords.txt
index 53b945b0..84b70c88 100644
--- a/keywords.txt
+++ b/keywords.txt
@@ -124,6 +124,8 @@ disableSyncWordFiltering KEYWORD2
setPromiscuous KEYWORD2
setRSSIConfig KEYWORD2
setEncoding KEYWORD2
+getIRQFlags KEYWORD2
+getModemStatus KEYWORD2
# RF69-specific
setAESKey KEYWORD2
diff --git a/src/modules/SX127x/SX127x.cpp b/src/modules/SX127x/SX127x.cpp
index 8ba220d1..2a3a5121 100644
--- a/src/modules/SX127x/SX127x.cpp
+++ b/src/modules/SX127x/SX127x.cpp
@@ -909,6 +909,31 @@ int16_t SX127x::setEncoding(uint8_t encoding) {
}
}
+uint16_t SX127x::getIRQFlags() {
+ // check active modem
+ if(getActiveModem() == SX127X_LORA) {
+ // LoRa, just 8-bit value
+ return((uint16_t)_mod->SPIreadRegister(SX127X_REG_IRQ_FLAGS));
+
+ } else {
+ // FSK, the IRQ flags are 16 bits in total
+ uint16_t flags = ((uint16_t)_mod->SPIreadRegister(SX127X_REG_IRQ_FLAGS_2)) << 8;
+ flags |= (uint16_t)_mod->SPIreadRegister(SX127X_REG_IRQ_FLAGS_1);
+ return(flags);
+ }
+
+}
+
+uint8_t SX127x::getModemStatus() {
+ // check active modem
+ if(getActiveModem() != SX127X_LORA) {
+ return(0x00);
+ }
+
+ // read the register
+ return(_mod->SPIreadRegister(SX127X_REG_MODEM_STAT));
+}
+
int16_t SX127x::config() {
// turn off frequency hopping
int16_t state = _mod->SPIsetRegValue(SX127X_REG_HOP_PERIOD, SX127X_HOP_PERIOD_OFF);
diff --git a/src/modules/SX127x/SX127x.h b/src/modules/SX127x/SX127x.h
index 1edf5917..7404427c 100644
--- a/src/modules/SX127x/SX127x.h
+++ b/src/modules/SX127x/SX127x.h
@@ -897,6 +897,22 @@ class SX127x: public PhysicalLayer {
*/
int16_t setEncoding(uint8_t encoding);
+ /*!
+ \brief Reads currently active IRQ flags, can be used to check which event caused an interrupt.
+ In LoRa mode, this is the content of SX127X_REG_IRQ_FLAGS register.
+ In FSK mode, this is the contents of SX127X_REG_IRQ_FLAGS_2 (MSB) and SX127X_REG_IRQ_FLAGS_1 (LSB) registers.
+
+ \returns IRQ flags.
+ */
+ uint16_t getIRQFlags();
+
+ /*!
+ \brief Reads modem status. Only available in LoRa mode.
+
+ \returns Modem status.
+ */
+ uint8_t getModemStatus();
+
#ifdef RADIOLIB_DEBUG
void regDump();
#endif