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-
-
- #ifndef USBserial_h_
- #define USBserial_h_
-
- #if defined(USB_SERIAL) || defined(USB_SERIAL_HID)
-
- #include <inttypes.h>
-
-
- #ifdef __cplusplus
- extern "C" {
- #endif
- int usb_serial_getchar(void);
- int usb_serial_peekchar(void);
- int usb_serial_available(void);
- int usb_serial_read(void *buffer, uint32_t size);
- void usb_serial_flush_input(void);
- int usb_serial_putchar(uint8_t c);
- int usb_serial_write(const void *buffer, uint32_t size);
- void usb_serial_flush_output(void);
- extern uint32_t usb_cdc_line_coding[2];
- extern volatile uint8_t usb_cdc_line_rtsdtr;
- extern volatile uint8_t usb_cdc_transmit_flush_timer;
- extern volatile uint8_t usb_configuration;
- #ifdef __cplusplus
- }
- #endif
-
- #define USB_SERIAL_DTR 0x01
- #define USB_SERIAL_RTS 0x02
-
-
-
- #ifdef __cplusplus
- #include "Stream.h"
- class usb_serial_class : public Stream
- {
- public:
- void begin(long) { };
- void end() { };
- virtual int available() { return usb_serial_available(); }
- virtual int read() { return usb_serial_getchar(); }
- virtual int peek() { return usb_serial_peekchar(); }
- virtual void flush() { usb_serial_flush_output(); }
- virtual size_t write(uint8_t c) { return usb_serial_putchar(c); }
- virtual size_t write(const uint8_t *buffer, size_t size) { return usb_serial_write(buffer, size); }
- size_t write(unsigned long n) { return write((uint8_t)n); }
- 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); }
- using Print::write;
- void send_now(void) { usb_serial_flush_output(); }
- uint32_t baud(void) { return usb_cdc_line_coding[0]; }
- uint8_t stopbits(void) { uint8_t b = usb_cdc_line_coding[1]; if (!b) b = 1; return b; }
- uint8_t paritytype(void) { return usb_cdc_line_coding[1] >> 8; }
- uint8_t numbits(void) { return usb_cdc_line_coding[1] >> 16; }
- uint8_t dtr(void) { return (usb_cdc_line_rtsdtr & USB_SERIAL_DTR) ? 1 : 0; }
- uint8_t rts(void) { return (usb_cdc_line_rtsdtr & USB_SERIAL_RTS) ? 1 : 0; }
- operator bool() { return usb_configuration && (usb_cdc_line_rtsdtr & (USB_SERIAL_DTR | USB_SERIAL_RTS)); }
- size_t readBytes(char *buffer, size_t length) {
- size_t count=0;
- unsigned long startMillis = millis();
- do {
- count += usb_serial_read(buffer + count, length - count);
- if (count >= length) return count;
- } while(millis() - startMillis < _timeout);
- setReadError();
- return count;
- }
-
- };
-
- extern usb_serial_class Serial;
-
- #endif
-
- #endif
- #endif
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