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