From 2f2c7ac393b23f52e660b928ace0fcd0becf9176 Mon Sep 17 00:00:00 2001
From: Jonathan Swoboda <154711427+swoboda1337@users.noreply.github.com>
Date: Tue, 24 Mar 2026 16:04:27 -0400
Subject: [PATCH] [sx127x] Fix FIFO read corruption (#15114)

---
 esphome/components/sx127x/sx127x.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/esphome/components/sx127x/sx127x.cpp b/esphome/components/sx127x/sx127x.cpp
index 66957a7342..0fddfdccdb 100644
--- a/esphome/components/sx127x/sx127x.cpp
+++ b/esphome/components/sx127x/sx127x.cpp
@@ -38,14 +38,18 @@ void SX127x::write_register_(uint8_t reg, uint8_t value) {
 void SX127x::read_fifo_(std::vector<uint8_t> &packet) {
   this->enable();
   this->write_byte(REG_FIFO & 0x7F);
-  this->read_array(packet.data(), packet.size());
+  for (auto &byte : packet) {
+    byte = this->transfer_byte(0x00);
+  }
   this->disable();
 }
 
 void SX127x::write_fifo_(const std::vector<uint8_t> &packet) {
   this->enable();
   this->write_byte(REG_FIFO | 0x80);
-  this->write_array(packet.data(), packet.size());
+  for (const auto &byte : packet) {
+    this->transfer_byte(byte);
+  }
   this->disable();
 }