* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
- * 1. The above copyright notice and this permission notice shall be
+ * 1. The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
- * 2. If the Software is incorporated into a build system that allows
+ * 2. If the Software is incorporated into a build system that allows
* selection among a list of target devices, then similar target
* devices manufactured by PJRC.COM must be included in the list of
* target devices and selectable in the same manner.
#include <inttypes.h>
+#if F_CPU >= 20000000
+
// C language implementation
#ifdef __cplusplus
extern "C" {
void usb_seremu_flush_input(void);
int usb_seremu_putchar(uint8_t c);
int usb_seremu_write(const void *buffer, uint32_t size);
+int usb_seremu_write_buffer_free(void);
void usb_seremu_flush_output(void);
void usb_seremu_flush_callback(void);
extern volatile uint8_t usb_seremu_transmit_flush_timer;
}
#endif
-
// C++ interface
#ifdef __cplusplus
#include "Stream.h"
size_t write(long n) { return write((uint8_t)n); }
size_t write(unsigned int n) { return write((uint8_t)n); }
size_t write(int n) { return write((uint8_t)n); }
+ int availableForWrite() { return usb_seremu_write_buffer_free(); }
using Print::write;
void send_now(void) { usb_seremu_flush_output(); };
uint32_t baud(void) { return 9600; }
uint8_t rts(void) { return 1; }
operator bool() { return usb_configuration; }
};
-
extern usb_seremu_class Serial;
+extern void serialEvent(void);
+#endif // __cplusplus
+
+
+#else // F_CPU < 20 MHz
+
+// Allow Arduino programs using Serial to compile, but Serial will do nothing.
+#ifdef __cplusplus
+#include "Stream.h"
+class usb_seremu_class : public Stream
+{
+public:
+ void begin(long) { };
+ void end() { };
+ virtual int available() { return 0; }
+ virtual int read() { return -1; }
+ virtual int peek() { return -1; }
+ virtual void flush() { }
+ virtual size_t write(uint8_t c) { return 1; }
+ virtual size_t write(const uint8_t *buffer, size_t size) { return size; }
+ size_t write(unsigned long n) { return 1; }
+ size_t write(long n) { return 1; }
+ size_t write(unsigned int n) { return 1; }
+ size_t write(int n) { return 1; }
+ int availableForWrite() { return 0; }
+ using Print::write;
+ void send_now(void) { }
+ uint32_t baud(void) { return 0; }
+ uint8_t stopbits(void) { return 1; }
+ uint8_t paritytype(void) { return 0; }
+ uint8_t numbits(void) { return 8; }
+ uint8_t dtr(void) { return 1; }
+ uint8_t rts(void) { return 1; }
+ operator bool() { return true; }
+};
+
+extern usb_seremu_class Serial;
+extern void serialEvent(void);
#endif // __cplusplus
+
+#endif // F_CPU >= 20 MHz
+
#endif // USB_HID
+
#endif // USBseremu_h_