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Added Serial.setRxBufferSize method description in libraries reference document (#3862)

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* Added null pointer check

* Fixed typo

* Added Serial.setRxBufferSize method description in libraries reference document
This commit is contained in:
Alessio Leoncini
2017-11-22 18:30:11 +01:00
committed by Develo
parent 9dcc580aef
commit fecacf167c
3 changed files with 12 additions and 3 deletions
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3
cores/esp8266/uart.c
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@ -104,6 +104,9 @@ int uart_peek_char(uart_t* uart)
int uart_read_char(uart_t* uart)
{
if(uart == NULL) {
return -1;
}
int data = uart_peek_char(uart);
if(data != -1) {
uart->rx_buffer->rpos = (uart->rx_buffer->rpos + 1) % uart->rx_buffer->size;