arilarralde
diff --git a/‎cores/esp32/HardwareSerial.cpp‎
Lines changed: 4 additions & 0 deletions b/‎cores/esp32/HardwareSerial.cpp‎
Lines changed: 4 additions & 0 deletions
diff --git a/‎cores/esp32/HardwareSerial.h‎
Lines changed: 1 addition & 0 deletions b/‎cores/esp32/HardwareSerial.h‎
Lines changed: 1 addition & 0 deletions
diff --git a/‎cores/esp32/esp32-hal-uart.c‎
Lines changed: 20 additions & 0 deletions b/‎cores/esp32/esp32-hal-uart.c‎
Lines changed: 20 additions & 0 deletions
diff --git a/‎cores/esp32/esp32-hal-uart.h‎
Lines changed: 2 additions & 0 deletions b/‎cores/esp32/esp32-hal-uart.h‎
Lines changed: 2 additions & 0 deletions
@@ -46,6 +46,10 @@ void HardwareSerial::end()
     _uart = 0;
 }
 
+size_t HardwareSerial::setRxBufferSize(size_t new_size) {
+    return uartResizeRxBuffer(_uart, new_size);
+}
+
 void HardwareSerial::setDebugOutput(bool en)
 {
     if(_uart == 0) {
@@ -70,6 +70,7 @@ class HardwareSerial: public Stream
     uint32_t baudRate();
     operator bool() const;
 
+    size_t setRxBufferSize(size_t);
     void setDebugOutput(bool);
 
 protected:
 
@@ -240,6 +240,26 @@ void uartEnd(uart_t* uart)
     uartDetachTx(uart);
 }
 
+size_t uartResizeRxBuffer(uart_t * uart, size_t new_size) {
+    if(uart == NULL) {
+        return;
+    }
+
+    UART_MUTEX_LOCK();
+    if(uart->queue != NULL) {
+        uint8_t c;
+        while(xQueueReceive(uart->queue, &c, 0));
+        vQueueDelete(uart->queue);
+        uart->queue = xQueueCreate(new_size, sizeof(uint8_t));
+        if(uart->queue == NULL) {
+            return NULL;
+        }
+    }
+    UART_MUTEX_UNLOCK();
+
+    return new_size;
+}
+
 uint32_t uartAvailable(uart_t* uart)
 {
     if(uart == NULL || uart->queue == NULL) {
 
@@ -67,6 +67,8 @@ void uartFlush(uart_t* uart);
 void uartSetBaudRate(uart_t* uart, uint32_t baud_rate);
 uint32_t uartGetBaudRate(uart_t* uart);
 
+size_t uartResizeRxBuffer(uart_t* uart, size_t new_size);
+
 void uartSetDebug(uart_t* uart);
 int uartGetDebug();
Original file line number	Diff line number	Diff line change
`@@ -46,6 +46,10 @@ void HardwareSerial::end()`
`46`	`46`	`_uart = 0;`
`47`	`47`	`}`
`48`	`48`
	`49`	`+size_t HardwareSerial::setRxBufferSize(size_t new_size) {`
	`50`	`+ return uartResizeRxBuffer(_uart, new_size);`
	`51`	`+}`
	`52`	`+`
`49`	`53`	`void HardwareSerial::setDebugOutput(bool en)`
`50`	`54`	`{`
`51`	`55`	`if(_uart == 0) {`