From 8ed53469922e0d3aee3ccf7c973627d7be3aea8b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com>
Date: Mon, 29 May 2023 16:02:26 +0200
Subject: [PATCH] Somfy: add Sun status command
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Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
---
 Somfy.cpp | 7 ++++++-
 Somfy.h   | 9 ++++++++-
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/Somfy.cpp b/Somfy.cpp
index 79251db..c3430d0 100644
--- a/Somfy.cpp
+++ b/Somfy.cpp
@@ -91,6 +91,8 @@ String translateSomfyCommand(const somfy_commands cmd) {
         return "Step Up";
     case somfy_commands::StepDown:
         return "Step Down";
+    case somfy_commands::Status:
+        return "Status";
     default:
         return "Unknown(" + String((uint8_t)cmd) + ")";
     }
@@ -173,9 +175,12 @@ void somfy_frame_t::decodeFrame(byte* frame) {
         case somfy_commands::SunFlag:
         case somfy_commands::Flag:
             break;
+        case somfy_commands::Status:
+            this->rollingCode = 0;
+            this->sun = !!(decoded[3] & STATUS_SUN);
+            break;
         case somfy_commands::UnknownC:
         case somfy_commands::UnknownD:
-        case somfy_commands::UnknownE:
         case somfy_commands::RTWProto:
             this->valid = false;
             break;
diff --git a/Somfy.h b/Somfy.h
index def21cc..a6d77ee 100644
--- a/Somfy.h
+++ b/Somfy.h
@@ -28,7 +28,7 @@ enum class somfy_commands : byte {
     StepDown = 0xB,
     UnknownC = 0xC,
     UnknownD = 0xD,
-    UnknownE = 0xE, // This command byte has been witnessed in the wild but cannot tell if it is from Somfy.  No rolling code is sent with this and it is 56-bits.
+    Status = 0xE,
     RTWProto = 0xF, // RTW Protocol
     // Command extensions for 80 bit frames
     StepUp = 0x8B
@@ -52,6 +52,12 @@ somfy_commands translateSomfyCommand(const String& string);
 #define MAX_RX_BUFFER 3
 #define MAX_TX_BUFFER 3
 
+#if !defined(BIT)
+#define BIT(x) (1 << (x))
+#endif /* BIT */
+
+#define STATUS_SUN BIT(1)
+
 typedef enum {
     waiting_synchro = 0,
     receiving_data = 1,
@@ -110,6 +116,7 @@ typedef struct somfy_frame_t {
     uint32_t await = 0;
     uint8_t bitLength = 56;
     uint16_t pulseCount = 0;
+    bool sun = false;
     void print();
     void encodeFrame(byte *frame);
     void decodeFrame(byte* frame);