From 79b525ee71f33af4e1e8ee77f6ecab2f795a15ed Mon Sep 17 00:00:00 2001
From: AlessandroAU <alessandroaus@gmail.com>
Date: Tue, 16 Jun 2020 07:02:30 +1000
Subject: [PATCH] Implement datasheet errata recommendation (#372)

---
 Multiprotocol/SX1276_SPI.ino | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Multiprotocol/SX1276_SPI.ino b/Multiprotocol/SX1276_SPI.ino
index 41a2cb2..c576d40 100644
--- a/Multiprotocol/SX1276_SPI.ino
+++ b/Multiprotocol/SX1276_SPI.ino
@@ -103,6 +103,16 @@ void SX1276_ConfigModem1(uint8_t bandwidth, uint8_t coding_rate, bool implicit_h
 	data = data | implicit_header_mode;
 
 	SX1276_WriteReg(SX1276_1D_MODEMCONFIG1, data);
+
+  if (bandwidth == SX1276_MODEM_CONFIG1_BW_500KHZ) //datasheet errata reconmendation http://caxapa.ru/thumbs/972894/SX1276_77_8_ErrataNote_1.1_STD.pdf
+  {
+    SX1276_WriteReg(0x36, 0x02);
+    SX1276_WriteReg(0x3a, 0x64);
+  }
+  else
+  {
+    SX1276_WriteReg(0x36, 0x03);
+  }
 }
 
 void SX1276_ConfigModem2(uint8_t spreading_factor, bool tx_continuous_mode, bool rx_payload_crc_on)