From 96bafb9cc712c0bc0c006814b48b5b914b7bf52d Mon Sep 17 00:00:00 2001
From: Sandeep Mistry <sandeep.mistry@gmail.com>
Date: Mon, 10 Oct 2016 18:36:33 -0400
Subject: [PATCH] Set LNA boost

---
 src/LoRa.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/LoRa.cpp b/src/LoRa.cpp
index a71b70b..b78c7a6 100644
--- a/src/LoRa.cpp
+++ b/src/LoRa.cpp
@@ -7,6 +7,7 @@
 #define REG_FRF_MID              0x07
 #define REG_FRF_LSB              0x08
 #define REG_PA_CONFIG            0x09
+#define REG_LNA                  0x0c
 #define REG_FIFO_ADDR_PTR        0x0d
 #define REG_FIFO_TX_BASE_ADDR    0x0e
 #define REG_FIFO_RX_BASE_ADDR    0x0f
@@ -86,6 +87,9 @@ int LoRaClass::begin(long frequency)
   writeRegister(REG_FIFO_TX_BASE_ADDR, 0);
   writeRegister(REG_FIFO_RX_BASE_ADDR, 0);
 
+  // set LNA boost
+  writeRegister(REG_LNA, readRegister(REG_LNA) | 0x03);
+
   // set output power to 17 dBm
   setTxPower(17);