#ifndef usb_serial_h__ #define usb_serial_h__ #include #include _BEGIN_STD_C // setup void usb_init(void); // initialize everything uint8_t usb_configured(void); // is the USB port configured // receiving data int16_t usb_serial_getchar(void); // receive a character (-1 if timeout/error) uint8_t usb_serial_available(void); // number of bytes in receive buffer void usb_serial_flush_input(void); // discard any buffered input // transmitting data int8_t usb_serial_putchar(uint8_t c); // transmit a character int8_t usb_serial_putchar_nowait(uint8_t c); // transmit a character, do not wait int8_t usb_serial_write(const uint8_t *buffer, uint16_t size); // transmit a buffer void usb_serial_flush_output(void); // immediately transmit any buffered output // serial parameters uint32_t usb_serial_get_baud(void); // get the baud rate uint8_t usb_serial_get_stopbits(void); // get the number of stop bits uint8_t usb_serial_get_paritytype(void);// get the parity type uint8_t usb_serial_get_numbits(void); // get the number of data bits uint8_t usb_serial_get_control(void); // get the RTS and DTR signal state int8_t usb_serial_set_control(uint8_t signals); // set DSR, DCD, RI, etc _END_STD_C // constants corresponding to the various serial parameters #define USB_SERIAL_DTR 0x01 #define USB_SERIAL_RTS 0x02 #define USB_SERIAL_1_STOP 0 #define USB_SERIAL_1_5_STOP 1 #define USB_SERIAL_2_STOP 2 #define USB_SERIAL_PARITY_NONE 0 #define USB_SERIAL_PARITY_ODD 1 #define USB_SERIAL_PARITY_EVEN 2 #define USB_SERIAL_PARITY_MARK 3 #define USB_SERIAL_PARITY_SPACE 4 #define USB_SERIAL_DCD 0x01 #define USB_SERIAL_DSR 0x02 #define USB_SERIAL_BREAK 0x04 #define USB_SERIAL_RI 0x08 #define USB_SERIAL_FRAME_ERR 0x10 #define USB_SERIAL_PARITY_ERR 0x20 #define USB_SERIAL_OVERRUN_ERR 0x40 // This file does not include the HID debug functions, so these empty // macros replace them with nothing, so users can compile code that // has calls to these functions. #define usb_debug_putchar(c) #define usb_debug_flush_output() // Everything below this point is only intended for usb_serial.c #ifdef USB_SERIAL_PRIVATE_INCLUDE #include #include #include #define EP_TYPE_CONTROL 0x00 #define EP_TYPE_BULK_IN 0x81 #define EP_TYPE_BULK_OUT 0x80 #define EP_TYPE_INTERRUPT_IN 0xC1 #define EP_TYPE_INTERRUPT_OUT 0xC0 #define EP_TYPE_ISOCHRONOUS_IN 0x41 #define EP_TYPE_ISOCHRONOUS_OUT 0x40 #define EP_SINGLE_BUFFER 0x02 #define EP_DOUBLE_BUFFER 0x06 #define EP_SIZE(s) ((s) == 64 ? 0x30 : \ ((s) == 32 ? 0x20 : \ ((s) == 16 ? 0x10 : \ 0x00))) #define MAX_ENDPOINT 4 #define LSB(n) (n & 255) #define MSB(n) ((n >> 8) & 255) #if defined(__AVR_AT90USB162__) #define HW_CONFIG() #define PLL_CONFIG() (PLLCSR = ((1<