hilink: expose runtime knob power through MSP VTX

2026-09-30 12:05:33 +02:00
parent b04eeba139
commit 3be89cb70b
1 changed files with 16 additions and 4 deletions
@@ -353,10 +353,10 @@ index 3e60a31..1fe1c28 100644
 +// Advertise the actual local WFB configuration without resetting the FC table.
 +void msp_send_vtx_runtime_config(int serial_fd);
 diff --git a/osd/util/interface.c b/osd/util/interface.c
-index 089fdc2..1ddd350 100644
+index 089fdc2..a783431 100644
 --- a/osd/util/interface.c
 +++ b/osd/util/interface.c
-@@ -153,3 +153,69 @@ void set_frequency(char *interface, int channel) {
+@@ -153,3 +153,81 @@ void set_frequency(char *interface, int channel) {
 		printf("Failed to set channel on %s\n", interface);
 	}
 }
@@ -400,10 +400,22 @@ index 089fdc2..1ddd350 100644
 +}
 +
 +int read_wfb_txpower(void) {
-+	FILE *fp = fopen("/etc/wfb.yaml", "r");
+	FILE *fp = fopen("/run/wfb-power", "r");
+	int txpower = -1;
+
+	// CH6 knob state wins while WFB is active; it is intentionally kept in
+	// tmpfs so power changes do not wear the overlay flash.
+	if (fp != NULL) {
+		if (fscanf(fp, "%d", &txpower) == 1 && txpower >= 0 && txpower <= 100) {
+			fclose(fp);
+			return txpower;
+		}
+		fclose(fp);
+	}
+
+	fp = fopen("/etc/wfb.yaml", "r");
 +	char buffer[256];
 +	int in_wireless = 0;
-+	int txpower = -1;
 +
 +	if (fp == NULL) {
 +		return -1;