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fix SERIAL_BUFFER_SIZE for SAMD & nRF5x (Adafruit) #459

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fix SERIAL_BUFFER_SIZE for SAMD & nRF5x (Adafruit) #459

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9c5f071
fix SERIAL_BUFFER_SIZE for samd
hathach Jul 13, 2020
1fae58a
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hathach Jul 13, 2020
e0cf051
update per review
hathach Jul 13, 2020
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15 changes: 10 additions & 5 deletions utility/SerialFirmata.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -19,11 +19,16 @@

#include "SerialFirmata.h"

// The RX and TX hardware FIFOs of the ESP8266 hold 128 bytes that can be
// extended using interrupt handlers. The Arduino constants are not available
// for the ESP8266 platform.
#if !defined(SERIAL_RX_BUFFER_SIZE) && defined(UART_TX_FIFO_SIZE)
#define SERIAL_RX_BUFFER_SIZE UART_TX_FIFO_SIZE
#if !defined(SERIAL_RX_BUFFER_SIZE)
#if defined(UART_TX_FIFO_SIZE)
// The RX and TX hardware FIFOs of the ESP8266 hold 128 bytes that can be
// extended using interrupt handlers. The Arduino constants are not available
// for the ESP8266 platform.
#define SERIAL_RX_BUFFER_SIZE UART_TX_FIFO_SIZE
#elif defined(SERIAL_BUFFER_SIZE)
// For SAMD and nRF5x core
#define SERIAL_RX_BUFFER_SIZE SERIAL_BUFFER_SIZE
#endif
#endif


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