Merge pull request #658 from DeanIsMe/patch-1

Flexible RX_BUFFER_SIZE and TX_BUFFER_SIZE
PaulStoffregen · Sep 28, 2022 · 3fdd873 · 3fdd873
2 parents aa33327 + b64540a
commit 3fdd873
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/teensy/HardwareSerial.cpp b/teensy/HardwareSerial.cpp
@@ -27,12 +27,16 @@
 #include "HardwareSerial.h"
 #include "wiring_private.h" 
 
+#ifndef RX_BUFFER_SIZE
 #define RX_BUFFER_SIZE 64
+#endif
 static volatile uint8_t rx_buffer[RX_BUFFER_SIZE];
 static volatile uint8_t rx_buffer_head = 0;
 static volatile uint8_t rx_buffer_tail = 0;
 
+#ifndef TX_BUFFER_SIZE
 #define TX_BUFFER_SIZE 40
+#endif
 static volatile uint8_t tx_buffer[TX_BUFFER_SIZE];
 static volatile uint8_t tx_buffer_head = 0;
 static volatile uint8_t tx_buffer_tail = 0;