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fix cdc driver for connected state.

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hathach
2018-04-09 18:48:38 +07:00
parent fb27ae96b0
commit a74b2d34e5
3 changed files with 25 additions and 37 deletions
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4
tinyusb/common/tusb_fifo.c
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@@ -131,8 +131,8 @@ bool fifo_read(fifo_t* f, void * p_buffer)
/******************************************************************************/
uint16_t fifo_read_n (fifo_t* f, void * p_buffer, uint16_t count)
{
if( !fifo_initalized(f) ) return false;
if( fifo_empty(f) ) return false;
if( !fifo_initalized(f) ) return 0;
if( fifo_empty(f) ) return 0;
/* Limit up to fifo's count */
count = min16_of(count, f->count);