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
|
