From 8ff9fc0f70a402afa4ba87e392584268effbcf9c Mon Sep 17 00:00:00 2001
From: Peter Barker <pbarker@barker.dropbear.id.au>
Date: Sat, 15 Jul 2023 14:41:37 +1000
Subject: [PATCH] AP_Logger: add Write_NamedValueFloat

for getting diagnostics into the code during ddebug fast
---
 libraries/AP_Logger/AP_Logger.cpp | 14 ++++++++++++++
 libraries/AP_Logger/AP_Logger.h   |  1 +
 2 files changed, 15 insertions(+)

diff --git a/libraries/AP_Logger/AP_Logger.cpp b/libraries/AP_Logger/AP_Logger.cpp
index 02d237b6ac..d0b0f7b5a3 100644
--- a/libraries/AP_Logger/AP_Logger.cpp
+++ b/libraries/AP_Logger/AP_Logger.cpp
@@ -912,6 +912,20 @@ void AP_Logger::Write_Fence()
 }
 #endif
 
+void AP_Logger::Write_NamedValueFloat(const char *name, float value)
+{
+    WriteStreaming(
+        "NVF",
+        "TimeUS,Name,Value",
+        "s#-",
+        "F--",
+        "QNf",
+        AP_HAL::micros(),
+        name,
+        value
+        );
+}
+
 // output a FMT message for each backend if not already done so
 void AP_Logger::Safe_Write_Emit_FMT(log_write_fmt *f)
 {
diff --git a/libraries/AP_Logger/AP_Logger.h b/libraries/AP_Logger/AP_Logger.h
index 8fafb9b10a..84b1d25218 100644
--- a/libraries/AP_Logger/AP_Logger.h
+++ b/libraries/AP_Logger/AP_Logger.h
@@ -247,6 +247,7 @@ public:
 #if HAL_LOGGER_FENCE_ENABLED
     void Write_Fence();
 #endif
+    void Write_NamedValueFloat(const char *name, float value);
     void Write_Power(void);
     void Write_Radio(const mavlink_radio_t &packet);
     void Write_Message(const char *message);