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https://github.com/hathach/tinyusb.git
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commit
4b5880671c
@ -80,7 +80,7 @@ int32_t tud_cdc_n_read_char (uint8_t itf);
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// Clear the received FIFO
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void tud_cdc_n_read_flush (uint8_t itf);
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// Get a byte from FIFO at the specified position without removing it
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// Get a byte from FIFO without removing it
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bool tud_cdc_n_peek (uint8_t itf, uint8_t* ui8);
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// Write bytes to TX FIFO, data may remain in the FIFO for a while
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@ -228,6 +228,14 @@ uint32_t tuh_cdc_read_available(uint8_t idx)
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return tu_edpt_stream_read_available(&p_cdc->stream.rx);
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}
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bool tuh_cdc_peek(uint8_t idx, uint8_t* ch)
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{
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cdch_interface_t* p_cdc = get_itf(idx);
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TU_VERIFY(p_cdc);
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return tu_edpt_stream_peek(&p_cdc->stream.rx, ch);
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}
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bool tuh_cdc_read_clear (uint8_t idx)
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{
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cdch_interface_t* p_cdc = get_itf(idx);
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@ -134,6 +134,9 @@ uint32_t tuh_cdc_read_available(uint8_t idx);
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// Read from cdc interface
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uint32_t tuh_cdc_read (uint8_t idx, void* buffer, uint32_t bufsize);
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// Get a byte from RX FIFO without removing it
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bool tuh_cdc_peek(uint8_t idx, uint8_t* ch);
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// Clear the received FIFO
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bool tuh_cdc_read_clear (uint8_t idx);
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@ -682,8 +682,6 @@ uint16_t tu_fifo_read_n_const_addr_full_words(tu_fifo_t* f, void * buffer, uint1
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@param[in] f
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Pointer to the FIFO buffer to manipulate
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@param[in] offset
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Position to read from in the FIFO buffer with respect to read pointer
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@param[in] p_buffer
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Pointer to the place holder for data read from the buffer
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@ -160,6 +160,11 @@ uint32_t tu_edpt_stream_read_available(tu_edpt_stream_t* s)
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return (uint32_t) tu_fifo_count(&s->ff);
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}
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TU_ATTR_ALWAYS_INLINE static inline
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bool tu_edpt_stream_peek(tu_edpt_stream_t* s, uint8_t* ch)
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{
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return tu_fifo_peek(&s->ff, ch);
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}
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#ifdef __cplusplus
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}
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