From c625b1f446d05a1bf0ccfea83a24c066d0df5bc2 Mon Sep 17 00:00:00 2001
From: Alexander Soederqvist <alexander.soederqvist@psi.ch>
Date: Mon, 20 Oct 2025 11:22:05 +0200
Subject: [PATCH] first commit not working

---
 epluse_rht.cmd   |  7 +++++++
 epluse_rht.db    | 20 ++++++++++++++++++++
 epluse_rht.proto | 23 +++++++++++++++++++++++
 3 files changed, 50 insertions(+)
 create mode 100644 epluse_rht.cmd
 create mode 100644 epluse_rht.db
 create mode 100644 epluse_rht.proto

diff --git a/epluse_rht.cmd b/epluse_rht.cmd
new file mode 100644
index 0000000..c8c7d45
--- /dev/null
+++ b/epluse_rht.cmd
@@ -0,0 +1,7 @@
+require asyn
+require stream
+# Parameterized snippet to load support for the eplue EE31 environmental sensor used at ICON and Neutra.
+
+drvAsynIPPortConfigure("neutra-sps", "neutra-sps:4001",0,0,0)
+
+dbLoadRecords("epluse_rht.db", "PREFIX=SQ:NEUTRA, PORT=neutra-sps")
diff --git a/epluse_rht.db b/epluse_rht.db
new file mode 100644
index 0000000..11f8bd2
--- /dev/null
+++ b/epluse_rht.db
@@ -0,0 +1,20 @@
+record(bo, "$(PREFIX):FETCH")
+{
+   field(DTYP, "stream")
+   field(DESC, "Initialization parameters")
+   field(OUT,"@epluse_rht.proto fetch_rht($(PREFIX)) $(PORT) 0")
+   field(SCAN,"1 second")
+}
+
+record(ai, "$(PREFIX):TEMP")
+{
+   field(DESC, "Temperature")
+   field(EGU, "degC")
+}
+
+record(ai, "$(PREFIX):RELHUM")
+{
+   field(DESC, "Relative Humidity")
+   field(EGU, "%RH")
+}
+
diff --git a/epluse_rht.proto b/epluse_rht.proto
new file mode 100644
index 0000000..513b11d
--- /dev/null
+++ b/epluse_rht.proto
@@ -0,0 +1,23 @@
+# A protocol file for a E+E EE31 rhT sensor
+# Its a binary protocol
+
+Terminator = '';
+ReplyTimeout = 3000;
+
+# unsolicited weight message
+fetch_rht {
+    # First 2 bytes addr, 0 in our case
+    # 3rd byte is command, fetch rht values
+    # 4th byte length of message, 2 bytes
+    # 5th and 6th byte, data. For this case it is 1
+    
+    out 0x0000 0x67 0x02 0x0001 0x6a;
+    # First 2 bytes is address
+    # command
+    # length
+    # ack
+    # ack
+    # 2 ieee_754 floats.
+    # Read exactly one char, but drop it. crc8
+    in 0x0000 0x67 0x0A 0x06 0x06 "%(\$1:TEMP)#R%(\$1:RELHUM)#R%*c" 
+}