randomllama
diff --git a/‎cores/rp2040/SerialPIO.cpp
Lines changed: 8 additions & 20 deletions b/‎cores/rp2040/SerialPIO.cpp
Lines changed: 8 additions & 20 deletions
diff --git a/‎cores/rp2040/SerialUART.cpp
Lines changed: 8 additions & 20 deletions b/‎cores/rp2040/SerialUART.cpp
Lines changed: 8 additions & 20 deletions
@@ -258,35 +258,23 @@ int SerialPIO::peek() {
         return -1;
     }
     // If there's something in the FIFO now, just peek at it
-    uint32_t start = millis();
-    uint32_t now = millis();
-    while ((now - start) < _timeout) {
-        if (_writer != _reader) {
-            return _queue[_reader];
-        }
-        delay(1);
-        now = millis();
+    if (_writer != _reader) {
+        return _queue[_reader];
     }
-    return -1; // Nothing available before timeout
+    return -1;
 }
 
 int SerialPIO::read() {
     CoreMutex m(&_mutex);
     if (!_running || !m || (_rx == NOPIN)) {
         return -1;
     }
-    uint32_t start = millis();
-    uint32_t now = millis();
-    while ((now - start) < _timeout) {
-        if (_writer != _reader) {
-            auto ret = _queue[_reader];
-            _reader = (_reader + 1) % _fifosize;
-            return ret;
-        }
-        delay(1);
-        now = millis();
+    if (_writer != _reader) {
+        auto ret = _queue[_reader];
+        _reader = (_reader + 1) % _fifosize;
+        return ret;
     }
-    return -1; // Timeout
+    return -1;
 }
 
 int SerialPIO::available() {
 
@@ -158,35 +158,23 @@ int SerialUART::peek() {
     if (!_running || !m) {
         return -1;
     }
-    uint32_t start = millis();
-    uint32_t now = millis();
-    while ((now - start) < _timeout) {
-        if (_writer != _reader) {
-            return _queue[_reader];
-        }
-        delay(1);
-        now = millis();
+    if (_writer != _reader) {
+        return _queue[_reader];
     }
-    return -1; // Nothing available before timeout
+    return -1;
 }
 
 int SerialUART::read() {
     CoreMutex m(&_mutex);
     if (!_running || !m) {
         return -1;
     }
-    uint32_t start = millis();
-    uint32_t now = millis();
-    while ((now - start) < _timeout) {
-        if (_writer != _reader) {
-            auto ret = _queue[_reader];
-            _reader = (_reader + 1) % _fifoSize;
-            return ret;
-        }
-        delay(1);
-        now = millis();
+    if (_writer != _reader) {
+        auto ret = _queue[_reader];
+        _reader = (_reader + 1) % _fifoSize;
+        return ret;
     }
-    return -1; // Timeout
+    return -1;
 }
 
 int SerialUART::available() {