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stmbl/inc/usbd_cdc_if.h
2018-04-13 16:35:27 +02:00

30 lines
953 B
C

#pragma once
#include <stdint.h>
#include "ringbuf.h"
#include "usbd_cdc_core.h"
#define APP_TX_BUF_SIZE 128
#define APP_RX_BUF_SIZE 128
/* These are external variables imported from CDC core to be used for IN
transfer management. */
extern uint8_t APP_Rx_Buffer[]; /* Write CDC received data in this buffer.
These data will be sent over USB IN endpoint
in the CDC core functions. */
extern uint32_t APP_Rx_ptr_in; /* Increment this pointer or roll it back to
start address when writing received data
in the buffer APP_Rx_Buffer. */
extern struct ringbuf usb_rx_buf;
extern struct ringbuf usb_tx_buf;
uint8_t USB_CDC_is_connected(void);
void usb_init(void);
void cdc_init(void);
int cdc_tx(void *data, uint32_t len);
int cdc_getline(char *ptr, int len);
int cdc_is_connected();
void cdc_poll();