From 22b48083ce3f11b4c1300cbf88cac09e25e51814 Mon Sep 17 00:00:00 2001
From: folkert van heusden <mail@vanheusden.com>
Date: Thu, 17 Mar 2022 21:50:48 +0100
Subject: [PATCH] ESP32: menu

---
 ESP32/main.ino |  2 +-
 rk05.cpp       | 32 +++++++++++++++++++++++++++++---
 2 files changed, 30 insertions(+), 4 deletions(-)

diff --git a/ESP32/main.ino b/ESP32/main.ino
index 2405f7f..95e326e 100644
--- a/ESP32/main.ino
+++ b/ESP32/main.ino
@@ -72,7 +72,7 @@ void setup() {
 	b->add_tty(tty_);
 
 	Serial.println(F("Load RK05"));
-	b->add_rk05(new rk05("xxdp+.rk", b));
+	b->add_rk05(new rk05("", b));
 	setBootLoader(b);
 
 	Serial.print(F("Free RAM after init: "));
diff --git a/rk05.cpp b/rk05.cpp
index 248c1b0..3178c0d 100644
--- a/rk05.cpp
+++ b/rk05.cpp
@@ -35,13 +35,39 @@ rk05::rk05(const std::string & file, bus *const b) : b(b)
 	Serial.print(F("SS  : "));
 	Serial.println(int(SS));
 
+	Serial.println(F("Files on SD-card:"));
+
 	if (!sd.begin(SS, SD_SCK_MHZ(15)))
 		sd.initErrorHalt();
 
-	Serial.print(F("Opening: "));
-	Serial.println(file.c_str());
+	sd.ls("/", LS_DATE | LS_SIZE | LS_R);
 
-	if (!fh.open(file.c_str(), O_RDWR))
+	std::string selected_file;
+
+	while(Serial.available())
+		Serial.read();
+
+	Serial.print(F("Enter filename: "));
+
+	for(;;) {
+		if (Serial.available()) {
+			char c = Serial.read();
+
+			if (c == 13 || c == 10)
+				break;
+
+			if (c >= 32 && c < 127) {
+				selected_file += c;
+
+				Serial.print(c);
+			}
+		}
+	}
+
+	Serial.print(F("Opening file: "));
+	Serial.println(selected_file.c_str());
+
+	if (!fh.open(selected_file.c_str(), O_RDWR))
 		sd.errorHalt(F("rk05: open failed"));
 #else
 	fh = fopen(file.c_str(), "rb");