Merge branch 'cdc-settings' of https://github.com/matthijskooijman/Arduino

1 files changed, 42 insertions, 0 deletions

diff --git a/cores/arduino/USBAPI.h b/cores/arduino/USBAPI.h
index 7f468a6..4072772 100644
--- a/cores/arduino/USBAPI.h
+++ b/cores/arduino/USBAPI.h
@@ -98,6 +98,7 @@ public:
 	virtual int available(void);
 	virtual int peek(void);
 	virtual int read(void);
+	int availableForWrite(void);
 	virtual void flush(void);
 	virtual size_t write(uint8_t);
 	virtual size_t write(const uint8_t*, size_t);
@@ -107,6 +108,46 @@ public:
 	volatile uint8_t _rx_buffer_head;
 	volatile uint8_t _rx_buffer_tail;
 	unsigned char _rx_buffer[SERIAL_BUFFER_SIZE];
+
+	// This method allows processing "SEND_BREAK" requests sent by
+	// the USB host. Those requests indicate that the host wants to
+	// send a BREAK signal and are accompanied by a single uint16_t
+	// value, specifying the duration of the break. The value 0
+	// means to end any current break, while the value 0xffff means
+	// to start an indefinite break.
+	// readBreak() will return the value of the most recent break
+	// request, but will return it at most once, returning -1 when
+	// readBreak() is called again (until another break request is
+	// received, which is again returned once).
+	// This also mean that if two break requests are received
+	// without readBreak() being called in between, the value of the
+	// first request is lost.
+	// Note that the value returned is a long, so it can return
+	// 0-0xffff as well as -1.
+	int32_t readBreak();
+
+	// These return the settings specified by the USB host for the
+	// serial port. These aren't really used, but are offered here
+	// in case a sketch wants to act on these settings.
+	uint32_t baud();
+	uint8_t stopbits();
+	uint8_t paritytype();
+	uint8_t numbits();
+	bool dtr();
+	bool rts();
+	enum {
+		ONE_STOP_BIT = 0,
+		ONE_AND_HALF_STOP_BIT = 1,
+		TWO_STOP_BITS = 2,
+	};
+	enum {
+		NO_PARITY = 0,
+		ODD_PARITY = 1,
+		EVEN_PARITY = 2,
+		MARK_PARITY = 3,
+		SPACE_PARITY = 4,
+	};
+
 };
 extern Serial_ Serial;
 
@@ -154,6 +195,7 @@ int USB_SendControl(uint8_t flags, const void* d, int len);
 int USB_RecvControl(void* d, int len);
 
 uint8_t	USB_Available(uint8_t ep);
+uint8_t USB_SendSpace(uint8_t ep);
 int USB_Send(uint8_t ep, const void* data, int len);	// blocking
 int USB_Recv(uint8_t ep, void* data, int len);		// non-blocking
 int USB_Recv(uint8_t ep);							// non-blocking