From 227a0e12ee262dbabdd8d988fec194273cf90029 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ram=C5=ABnas=20Ma=C5=BEeikis?= <ramunasnezinomas@gmail.com>
Date: Wed, 29 May 2019 14:33:16 +0300
Subject: Tweaked function declarations and build files to make it build.
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Signed-off-by: Ramūnas Mažeikis <ramunasnezinomas@gmail.com>
---
 include/tlv.h          | 7 +++++++
 src/common/tlv.c       | 5 ++---
 src/device/meson.build | 8 ++++++--
 src/device/screen.cpp  | 9 +++++----
 src/meson.build        | 4 ++--
 5 files changed, 22 insertions(+), 11 deletions(-)

diff --git a/include/tlv.h b/include/tlv.h
index 7bfb275..b52763a 100644
--- a/include/tlv.h
+++ b/include/tlv.h
@@ -69,6 +69,9 @@ A few things to note:
 
 #define TLV_SZ_MAX_RAW		(MTU - 64)
 
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
 /**
  * Message sequence number since beggining of sesssion.
  *
@@ -187,4 +190,8 @@ int tlv_push_data(struct tlv *t, const char *data, size_t size);
  */
 int tlv_push_tlv(struct tlv *t, const struct tlv *other);
 
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
 #endif /* USURPATION_PROTOCOL_H_INCLUDED */
diff --git a/src/common/tlv.c b/src/common/tlv.c
index 748d3fb..c25f008 100644
--- a/src/common/tlv.c
+++ b/src/common/tlv.c
@@ -28,7 +28,6 @@
 #include <string.h>
 #include <time.h>
 #include "tlv.h"
-#include "tlv_private.h"
 #include "net.h"
 #include "utils.h"
 
@@ -41,7 +40,7 @@ int tlv_get(struct tlv_parser *parser, struct tlv *ret)
 	} else if (parser -> offset == parser->size) {
 		retval = END_OF_PACKET;
 	} else {
-		ret->type = memcpy(&ret->type, parser->data + parser->offset, sizeof(ret->type));
+		memcpy(&ret->type, parser->data + parser->offset, sizeof(ret->type));
 		parser->size += sizeof(ret->type);
 		ret->length = memcpy(&ret->length, parser->data + parser->offset, sizeof(ret->length));
 		parser->offset += sizeof(ret->length);
@@ -130,4 +129,4 @@ int tlv_push_tlv(struct tlv *t, const struct tlv *other)
 	}
 
 	return ret;
-}
\ No newline at end of file
+}
diff --git a/src/device/meson.build b/src/device/meson.build
index d2e3c6e..8e4aa90 100644
--- a/src/device/meson.build
+++ b/src/device/meson.build
@@ -17,10 +17,14 @@ if get_option('fwbuild')
 	cat = find_program('cat')
 	cp = find_program('cp')
 
-	fw_filenames = ['main.ino',
+	fw_filenames = [
+			'main.ino',
 			'DejaVu_Sans_Mono_13.h',
 			'device_network.cpp',
-			'device_network.h']
+			'device_network.h',
+			'screen.cpp',
+			'screen.h'
+			]
 	fw_true_sources += files(fw_filenames)
 	fw_filenames += oledlibnames
 	fw_true_sources += oledlib
diff --git a/src/device/screen.cpp b/src/device/screen.cpp
index c923b99..2857161 100644
--- a/src/device/screen.cpp
+++ b/src/device/screen.cpp
@@ -5,16 +5,17 @@
 #include <Wire.h>
 #include "screen.h"
 
-void draw_lines(struct display_status *status);
+void draw_lines(OLEDDisplay *screen, struct display_status *status);
 void update_lines(struct display_status *status);
 void init_msg(char *msg, size_t size);
 
 /* Effectively const. For type safety reasons. */
 static char NOTHING[] = {'\0'};
 
-void display_status_init(struct display_status *status, char *msg)
+void display_status_init(OLEDDisplay *screen, struct display_status *status, char *msg)
 {
 	status->delta = 2;	/* Currently default */
+	status->screen = screen;
 	init_msg(msg, strlen(msg));
 	status->message = msg;
 	status->line_cursor = 0;
@@ -55,7 +56,7 @@ int display_update_scroll(struct display_status *status)
 		status->last_scroll_time += status->delta;
 		status->line_cursor++;
 		update_lines(status);
-		draw_lines(status);
+		draw_lines(status->screen, status);
 	}
 	if (status->first_line == NOTHING && status->second_line == NOTHING) {
 		return END_OF_MESSAGE;
@@ -79,4 +80,4 @@ void update_lines(struct display_status *status)
 	status->second_line = (status->line_cursor * SCREEN_MAX_CHARS < status->message_len)
 			? status->message + (status->line_cursor + 1) * SCREEN_MAX_CHARS
 			: NOTHING;
-}
\ No newline at end of file
+}
diff --git a/src/meson.build b/src/meson.build
index 12b583a..38a1f57 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -1,6 +1,6 @@
-#subdir('common')
+subdir('common')
 
-fw_true_sources = [fw_headers]
+fw_true_sources = [fw_headers, common_sources]
 
 subdir('daemon')
 subdir('device')
-- 
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