From 8bcfe7b7b65e88e10dd18852af29d1e1fe29a4b7 Mon Sep 17 00:00:00 2001
From: Benjamin Valentin <benjamin.valentin@ml-pa.com>
Date: Tue, 9 Jan 2024 23:20:35 +0100
Subject: [PATCH] cpu/esp8266: ESP8266 needs 5 cycles per busy loop

---
 cpu/esp8266/include/periph_cpu.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/cpu/esp8266/include/periph_cpu.h b/cpu/esp8266/include/periph_cpu.h
index 63905996e1..cb84b376cf 100644
--- a/cpu/esp8266/include/periph_cpu.h
+++ b/cpu/esp8266/include/periph_cpu.h
@@ -34,6 +34,11 @@ extern "C" {
  */
 #define CPUID_LEN           (4U)
 
+/**
+ * @brief   CPU cycles per busy wait loop
+ */
+#define CPU_CYCLES_PER_LOOP (5)
+
 /**
  * @name   GPIO configuration
  * @{