16accb6b24
- 264 license table entries with exact download URLs (224/264 resolved) - Complete sources/ directory with all BitBake recipes - Build configuration: tqma6ul-multi-mba6ulx, spaetzle (musl) - Full traceability for Softwarefreigabeantrag - GCC 13.4.0, Linux 6.6.102, U-Boot 2023.04, musl 1.2.4 - License distribution: GPL-2.0 (24), MIT (23), GPL-2.0+ (18), BSD-3 (16)
46 lines
1.3 KiB
Diff
46 lines
1.3 KiB
Diff
From 85d90749a10b5f91741d37b75825935bf7cc4fb3 Mon Sep 17 00:00:00 2001
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From: Marek Vasut <marex@denx.de>
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Date: Tue, 12 Mar 2024 03:00:37 +0100
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Subject: [PATCH 3/6] Make fbdev device node runtime configurable via
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environment variable
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Test whether $LV_VIDEO_CARD environment variable is non-NULL and in
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case it is, use it as the video card file in lv_linux_fbdev_set_file().
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Otherwise fall back to /dev/fb0, i.e. the current behavior. This way,
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it is possible to test LVGL on systems with multiple fbdev devices.
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Upstream-Status: Submitted [https://github.com/lvgl/lv_port_linux_frame_buffer/pull/47]
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Signed-off-by: Marek Vasut <marex@denx.de>
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---
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main.c | 8 +++++++-
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1 file changed, 7 insertions(+), 1 deletion(-)
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diff --git a/main.c b/main.c
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index 9775b9c..b64a098 100644
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--- a/main.c
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+++ b/main.c
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@@ -4,13 +4,19 @@
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#include <pthread.h>
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#include <time.h>
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+static const char *lv_linux_get_video_card_node(const char *videocard_default)
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+{
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+ return getenv("LV_VIDEO_CARD") ? : videocard_default;
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+}
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+
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int main(void)
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{
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+ const char *videocard = lv_linux_get_video_card_node("/dev/fb0");
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lv_init();
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/*Linux frame buffer device init*/
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lv_display_t * disp = lv_linux_fbdev_create();
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- lv_linux_fbdev_set_file(disp, "/dev/fb0");
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+ lv_linux_fbdev_set_file(disp, videocard);
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/*Create a Demo*/
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lv_demo_widgets();
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--
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2.43.0
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