From 70c58213defb2e2e7521b0a9d42c489315d908a4 Mon Sep 17 00:00:00 2001
From: fvanroie <cpt_jack@msn.com>
Date: Tue, 12 Apr 2022 02:35:21 +0200
Subject: [PATCH] Add ColorToHaspPayload

---
 src/hasp/hasp_parser.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/hasp/hasp_parser.cpp b/src/hasp/hasp_parser.cpp
index 52be1cf9..a2f6bbf4 100644
--- a/src/hasp/hasp_parser.cpp
+++ b/src/hasp/hasp_parser.cpp
@@ -8,8 +8,17 @@
 
 #include "hasplib.h"
 
+void Parser::ColorToHaspPayload(lv_color_t color, char* payload, size_t size)
+{
+    lv_color32_t c32;
+    c32.full = lv_color_to32(color);
+    snprintf_P(payload, size, PSTR("#%02x%02x%02x"), c32.ch.red, c32.ch.green, c32.ch.blue);
+}
+
 bool Parser::haspPayloadToColor(const char* payload, lv_color32_t& color)
 {
+    if(!payload) return false;
+
     /* HEX format #rrggbb or #rgb */
     if(*payload == '#') {
         if(strlen(payload) >= 8) return false;