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Add a maximum limit for vi.

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In rare cases, the LT6911 I2C may return incorrect resolution information, which is passed to vi and causes the system to freeze.
This commit is contained in:
BuGu
2025-02-25 18:21:02 +08:00
parent ba620db901
commit 7bd7b77fa9
1 changed files with 15 additions and 0 deletions
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15
vision/components/kvm/src/kvm_vision.cpp
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@@ -19,6 +19,8 @@
#define KVMV_MAX_TRY_NUM 2
#define vi_min_width 32
#define vi_min_height 3
#define vi_max_width 1920
#define vi_max_height 1080
#define default_vi_width 1920
#define default_vi_height 1080
@@ -297,6 +299,19 @@ int get_manual_resolution(void)
sprintf(Cmd, "echo %d > %s", vi_min_height, vi_height_path);
system(Cmd);
}
// res max limit
if(tmp_width > vi_max_width){
tmp_width = vi_max_width;
char Cmd[100]={0};
sprintf(Cmd, "echo %d > %s", vi_max_width, vi_width_path);
system(Cmd);
}
if(tmp_height > vi_max_height){
tmp_height = vi_max_height;
char Cmd[100]={0};
sprintf(Cmd, "echo %d > %s", vi_max_height, vi_height_path);
system(Cmd);
}
// res change ?
if(kvmv_cfg.vi_width != tmp_width){