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fix(sg2002): read VI debug state without shell pipelines

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This commit is contained in:
watermeko
2026-07-28 02:52:40 +00:00
committed by Guoguo
parent dc050d1f19
commit e4d23014ba
4 changed files with 62 additions and 58 deletions
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94
support/sg2002/additional/kvm/src/kvm_vision.cpp
View File

@@ -216,54 +216,58 @@ void write_res_to_file(uint16_t _width, uint16_t _height)
*/
uint8_t get_vi_state()
{
char VI_State[10]={0};
char cmd[100] = "cat /proc/cvitek/vi_dbg | grep -A 17 VIDevFPS | awk '{print $3}'";
uint8_t FPS[2];
uint8_t VIWHGTLSCnt[4];
FILE* fp = popen( cmd, "r" );
uint8_t ret = 0;
FILE *fp = fopen("/proc/cvitek/vi_dbg", "r");
if (fp == NULL) {
return 0;
}
if (fgets(VI_State, sizeof(VI_State), fp) != NULL){
FPS[0] = atoi(VI_State);
// debug("VIDevFPS = %d\n", FPS[0]);
} else {
pclose(fp);
return ret; // VI not init;
unsigned int dev_fps = 0;
unsigned int fps = 0;
unsigned int width_gt = 0;
unsigned int width_ls = 0;
unsigned int height_gt = 0;
unsigned int height_ls = 0;
bool have_dev_fps = false;
bool have_fps = false;
char line[256];
char field[32];
unsigned int value;
while (fgets(line, sizeof(line), fp) != NULL) {
if (sscanf(line, "%31s : %u", field, &value) != 2) {
continue;
}
if (strcmp(field, "VIDevFPS") == 0) {
dev_fps = value;
have_dev_fps = true;
} else if (strcmp(field, "VIFPS") == 0) {
fps = value;
have_fps = true;
} else if (strcmp(field, "VICsiCh0WidthGTCnt") == 0) {
width_gt = value;
} else if (strcmp(field, "VICsiCh0WidthLSCnt") == 0) {
width_ls = value;
} else if (strcmp(field, "VICsiCh0HeightGTCnt") == 0) {
height_gt = value;
} else if (strcmp(field, "VICsiCh0HeightLSCnt") == 0) {
height_ls = value;
}
}
if (fgets(VI_State, sizeof(VI_State), fp) != NULL){
FPS[1] = atoi(VI_State);
// debug("VIFPS = %d\n", FPS[1]);
}
if (FPS[0] == 0){
ret = 2; // HDMI not OK;
} else if (FPS[1] == 0){
ret = 3; // HDMI OK ; CSI not;
} else {
ret = 1; // HDMI CSI OK;
}
if(ret == 3){
// Ignore other information
uint8_t count = 0;
for(count = 0; count < 13; count ++){
fgets(VI_State, sizeof(VI_State), fp);
}
// Check if the resolution might be set incorrectly
for(count = 0; count < 4; count ++){
if (fgets(VI_State, sizeof(VI_State), fp) != NULL){
// debug("VI_State = %s", VI_State);
VIWHGTLSCnt[count] = atoi(VI_State);
// printf("count = %d, val = %d\n", count, atoi(VI_State));
}
}
fclose(fp);
if(VIWHGTLSCnt[0] != 0) ret = 3; // The vi width setting value is too small
else if(VIWHGTLSCnt[1] != 0) ret = 4; // The vi width setting value is too large
else if(VIWHGTLSCnt[2] != 0) ret = 5; // The vi height setting value is too small
else if(VIWHGTLSCnt[3] != 0) ret = 6; // The vi height setting value is too large
else ret = 7; // printf("[kvmv] Unexpected situation\n");
}
pclose(fp);
return ret;
if (!have_dev_fps || !have_fps) {
return 0;
}
if (dev_fps == 0) {
return 2;
}
if (fps != 0) {
return 1;
}
if (width_gt != 0) return 3;
if (width_ls != 0) return 4;
if (height_gt != 0) return 5;
if (height_ls != 0) return 6;
return 7;
}
int set_hdmi_mode(uint8_t _hdmi_mode)

26
support/sg2002/kvm_system/main/lib/system_state/system_state.cpp
View File

@@ -237,24 +237,24 @@ void kvm_update_usb_state()
void kvm_update_hdmi_state()
{
static uint8_t check_times = 4;
FILE *fp;
int file_size;
uint8_t RW_Data[10];
if(++check_times > 5){
check_times = 0;
fp = popen("cat /proc/cvitek/vi_dbg | grep VIFPS | awk '{print $3}'", "r");
FILE *fp = fopen("/proc/cvitek/vi_dbg", "r");
if (fp == NULL) {
pclose(fp);
return;
}
fgets((char*)RW_Data, 2, fp);
pclose(fp);
// printf("[kvmd]HDMI exist? %c\n", RW_Data[0]);
if (RW_Data[0] != '0'){
kvm_sys_state.hdmi_state = 1;
} else {
kvm_sys_state.hdmi_state = 0;
char line[256];
char field[32];
unsigned int value;
while (fgets(line, sizeof(line), fp) != NULL) {
if (sscanf(line, "%31s : %u", field, &value) == 2 &&
strcmp(field, "VIFPS") == 0) {
kvm_sys_state.hdmi_state = value == 0 ? 0 : 1;
break;
}
}
fclose(fp);
}
}
@@ -519,4 +519,4 @@ int check_watchdog()
return -1;
}
} else return 0;
}
}