diff options
| -rw-r--r-- | cores/arduino/HardwareSerial_private.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/cores/arduino/HardwareSerial_private.h b/cores/arduino/HardwareSerial_private.h index 915d7a1..fa20e55 100644 --- a/cores/arduino/HardwareSerial_private.h +++ b/cores/arduino/HardwareSerial_private.h @@ -99,7 +99,7 @@ void HardwareSerial::_rx_complete_irq(void) // No Parity error, read byte and store it in the buffer if there is // room unsigned char c = *_udr; - int i = (unsigned int)(_rx_buffer_head + 1) % SERIAL_BUFFER_SIZE; + uint8_t i = (unsigned int)(_rx_buffer_head + 1) % SERIAL_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 |