crashtest-r0ket/core/usbcdc/cdc_buf.h

30 lines
807 B
C
Raw Normal View History

2011-05-15 11:27:49 +00:00
/*----------------------------------------------------------------------------
* Name: cdc_buf.h
* Purpose: usb cdc buffer handling
* Version: V1.00
*---------------------------------------------------------------------------*/
#ifndef __CDC_BUF_H__
#define __CDC_BUF_H__
#include "projectconfig.h"
// Buffer used for circular fifo
typedef struct _cdc_buffer_t
{
volatile uint8_t len;
volatile uint8_t wr_ptr;
volatile uint8_t rd_ptr;
uint8_t buf[CFG_USBCDC_BUFFERSIZE];
} cdc_buffer_t;
cdc_buffer_t * cdcGetBuffer();
void cdcBufferInit();
uint8_t cdcBufferRead();
uint32_t cdcBufferReadLen(uint8_t* buf, uint32_t len);
void cdcBufferWrite(uint8_t data);
void cdcBufferClearFIFO();
uint8_t cdcBufferDataPending();
#endif