From 2acaaa65ac552518091eda6782ccc702740b8a26 Mon Sep 17 00:00:00 2001
From: Matthias Ringwald <matthias@ringwald.ch>
Date: Tue, 8 Sep 2020 23:46:17 +0200
Subject: [PATCH] stm32-sx1280: add buffer write/read check on startup

---
 chipset/sx128x/ll_sx1280.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/chipset/sx128x/ll_sx1280.c b/chipset/sx128x/ll_sx1280.c
index f3ee45a64..2591c8c1d 100644
--- a/chipset/sx128x/ll_sx1280.c
+++ b/chipset/sx128x/ll_sx1280.c
@@ -791,6 +791,7 @@ void ll_init(void){
 }
 
 void ll_radio_on(void){
+
     Radio.Init( (RadioCallbacks_t *) &Callbacks );
     Radio.SetRegulatorMode( USE_DCDC ); // Can also be set in LDO mode but consume more power
     Radio.SetInterruptMode( );
@@ -811,6 +812,17 @@ void ll_radio_on(void){
     // Go back to Frequcency Synthesis Mode, reduces transition time between Rx<->TX
     Radio.SetAutoFS(1);
 
+    // quick test
+    uint8_t data[] = { 1, 2, 4, 8, 16, 32, 64, 128 };
+    Radio.WriteBuffer(0, data, sizeof(data));
+    uint8_t check[8];
+    Radio.ReadBuffer(0, check, sizeof(data));
+    if (memcmp(data, check, sizeof(data)) != 0){
+        printf_hexdump(data, sizeof(data));
+        printf_hexdump(check, sizeof(data));
+        btstack_assert(false);
+    }
+
     ll_state = LL_STATE_STANDBY;
 }