From 14779cb187dac9ed4a0b6e7645e76e78587ad024 Mon Sep 17 00:00:00 2001
From: lonkaars <loek@pipeframe.xyz>
Date: Thu, 2 Jun 2022 17:22:48 +0200
Subject: ping working

---
 shared/consts.h   | 5 +++++
 shared/errcatch.h | 2 ++
 2 files changed, 7 insertions(+)

(limited to 'shared')

diff --git a/shared/consts.h b/shared/consts.h
index cdd96b3..3f792b4 100644
--- a/shared/consts.h
+++ b/shared/consts.h
@@ -30,6 +30,11 @@
 /** exponential moving average new measurement weight (double 0-1) */
 #define W2_EMA_WEIGHT (0.10)
 
+/** minimal time between pings */
+#define W2_PING_FREQUENCY (1e3)
+/** max time between ping and answer */
+#define W2_PING_TIMEOUT (5e3)
+
 /** front-facing distance sensor pinout */
 #define W2_FRONT_SENSOR_PIN 5
 /** battery voltage sensor pinout */
diff --git a/shared/errcatch.h b/shared/errcatch.h
index 7f298c1..a56bc00 100644
--- a/shared/errcatch.h
+++ b/shared/errcatch.h
@@ -52,6 +52,8 @@ typedef enum {
 	W2_E_WARN_SERIAL_NOISY = 0x09 | W2_E_TYPE_WARN,
 	/** mode history index out of bounds */
 	W2_E_WARN_MODE_HISTORY_BUFFER_IOB = 0x0a | W2_E_TYPE_WARN,
+	/** ping timeout reached */
+	W2_E_WARN_PING_TIMEOUT = 0x0b | W2_E_TYPE_WARN,
 } w2_e_errorcode;
 
 /**
-- 
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