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remove tu_fifo_backward_write/read_pointer API

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since it is illegal from fifo perspective
This commit is contained in:
hathach
2021-04-07 13:27:28 +07:00
parent 2468f9e26d
commit 893919a848
2 changed files with 0 additions and 44 deletions
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src/common/tusb_fifo.h
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@@ -128,9 +128,7 @@ void tu_fifo_correct_read_pointer (tu_fifo_t* f);
// Pointer modifications intended to be used in combinations with DMAs.
// USE WITH CARE - NO SAFTY CHECKS CONDUCTED HERE! NOT MUTEX PROTECTED!
void tu_fifo_advance_write_pointer (tu_fifo_t *f, uint16_t n);
void tu_fifo_backward_write_pointer (tu_fifo_t *f, uint16_t n);
void tu_fifo_advance_read_pointer (tu_fifo_t *f, uint16_t n);
void tu_fifo_backward_read_pointer (tu_fifo_t *f, uint16_t n);
// If you want to read/write from/to the FIFO by use of a DMA, you may need to conduct two copies to handle a possible wrapping part
// This functions deliver a pointer to start reading/writing from/to and a valid linear length along which no wrap occurs.