From b20119558a4b65469bed116c052047826f0a262c Mon Sep 17 00:00:00 2001
From: steve <jscrane@gmail.com>
Date: Thu, 25 May 2023 15:05:04 +0100
Subject: [PATCH] add seek()

---
 acia.h          | 2 +-
 flash_filer.cpp | 9 +++++++++
 flash_filer.h   | 1 +
 3 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/acia.h b/acia.h
index d545852..a2dd3f3 100644
--- a/acia.h
+++ b/acia.h
@@ -46,6 +46,6 @@ public:
 	static const uint8_t eri = 1 << 7;	// enable receive interrupt
 
 private:
-	serialio *_device;
+	class serialio *_device;
 };
 #endif
diff --git a/flash_filer.cpp b/flash_filer.cpp
index b44696a..d273a63 100644
--- a/flash_filer.cpp
+++ b/flash_filer.cpp
@@ -22,6 +22,15 @@ static File file;
 static Dir dir;
 #endif
 
+bool flash_filer::seek(uint32_t pos)
+{
+#if defined(USE_SD) || defined(USE_SPIFFS) || defined(USE_FS)
+	_pos = _len = 0;
+	return file.seek(pos);
+#endif
+	return false;
+}
+
 bool flash_filer::start()
 {
 #if defined(USE_FS)
diff --git a/flash_filer.h b/flash_filer.h
index 58ebcfd..5004605 100644
--- a/flash_filer.h
+++ b/flash_filer.h
@@ -15,6 +15,7 @@ public:
 
 	bool start();
 	void stop();
+	bool seek(uint32_t pos);
 	
 	uint8_t read() { return _buf[_pos++]; }
 	bool more();