diff options
| -rw-r--r-- | cores/arduino/HardwareSerial.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/cores/arduino/HardwareSerial.cpp b/cores/arduino/HardwareSerial.cpp index b25b4f1..4397efb 100644 --- a/cores/arduino/HardwareSerial.cpp +++ b/cores/arduino/HardwareSerial.cpp @@ -65,7 +65,7 @@ struct ring_buffer inline void store_char(unsigned char c, ring_buffer *rx_buffer) { - int i = (rx_buffer->head + 1) % RX_BUFFER_SIZE; + int i = (unsigned int)(rx_buffer->head + 1) % RX_BUFFER_SIZE; // if we should be storing the received character into the location // just before the tail (meaning that the head would advance to the @@ -231,7 +231,7 @@ void HardwareSerial::end() int HardwareSerial::available(void) { - return (RX_BUFFER_SIZE + _rx_buffer->head - _rx_buffer->tail) % RX_BUFFER_SIZE; + return (unsigned int)(RX_BUFFER_SIZE + _rx_buffer->head - _rx_buffer->tail) % RX_BUFFER_SIZE; } int HardwareSerial::peek(void) @@ -250,7 +250,7 @@ int HardwareSerial::read(void) return -1; } else { unsigned char c = _rx_buffer->buffer[_rx_buffer->tail]; - _rx_buffer->tail = (_rx_buffer->tail + 1) % RX_BUFFER_SIZE; + _rx_buffer->tail = (unsigned int)(_rx_buffer->tail + 1) % RX_BUFFER_SIZE; return c; } } |