From a084e14fdf3ce55193fff9d29fdc5c11e3bfcfe1 Mon Sep 17 00:00:00 2001
From: Jonathan Naylor <naylorjs@yahoo.com>
Date: Tue, 12 Jun 2018 19:23:38 +0100
Subject: [PATCH] Convert POCSAG text to be multi-line.

---
 Nextion.cpp | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/Nextion.cpp b/Nextion.cpp
index 85c14ba..78c2421 100644
--- a/Nextion.cpp
+++ b/Nextion.cpp
@@ -694,7 +694,21 @@ void CNextion::writePOCSAGInt(uint32_t ric, const std::string& message)
 	sendCommand(text);
 	sendCommandAction(132U);
 
-	::sprintf(text, "t1.txt=\"MSG: %s\"", message.c_str());
+	// Convert the text to multi-line with \r characters between.
+	std::string display;
+	unsigned int n = 0U;
+	for (std::string::const_iterator it = message.cbegin(); it != message.cend(); ++it) {
+		char c = *it;
+		display.push_back(c);
+		n++;
+
+		if (n == 16U) {
+			display.push_back('\r');
+			n = 0U;
+		}
+	}
+
+	::sprintf(text, "t1.txt=\"%s\"", display.c_str());
 	sendCommand(text);
 	sendCommandAction(133U);