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Merge pull request #1870 from matthijskooijman/ide-1.5.x-serial-int 

In HardwareSerial::_rx_complete_irq, don't use int for buffer index
This commit is contained in:
Cristian Maglie 2014-02-18 22:43:16 +01:00
parent 9fcf005638 39c5b3438a
commit c0396530e6
1 changed files with 1 additions and 1 deletions
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hardware/arduino/avr/cores/arduino/HardwareSerial_private.h
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@ -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