Save text buffer in Meter

1 files changed, 3 insertions, 3 deletions

diff --git a/UptimeMeter.c b/UptimeMeter.c
index 37740c21..51ceef8c 100644
--- a/UptimeMeter.c
+++ b/UptimeMeter.c
@@ -17,10 +17,10 @@ static const int UptimeMeter_attributes[] = {
    UPTIME
 };
 
-static void UptimeMeter_updateValues(Meter* this, char* buffer, size_t len) {
+static void UptimeMeter_updateValues(Meter* this) {
    int totalseconds = Platform_getUptime();
    if (totalseconds == -1) {
-      xSnprintf(buffer, len, "(unknown)");
+      xSnprintf(this->txtBuffer, sizeof(this->txtBuffer), "(unknown)");
       return;
    }
    int seconds = totalseconds % 60;
@@ -41,7 +41,7 @@ static void UptimeMeter_updateValues(Meter* this, char* buffer, size_t len) {
    } else {
       daysbuf[0] = '\0';
    }
-   xSnprintf(buffer, len, "%s%02d:%02d:%02d", daysbuf, hours, minutes, seconds);
+   xSnprintf(this->txtBuffer, sizeof(this->txtBuffer), "%s%02d:%02d:%02d", daysbuf, hours, minutes, seconds);
 }
 
 const MeterClass UptimeMeter_class = {