Remove all remainings with peek_at

src/class/cdc/cdc_device.c

@@ -146,9 +146,9 @@ uint32_t tud_cdc_n_read(uint8_t itf, void* buffer, uint32_t bufsize)
   return num_read;
 }
 
-bool tud_cdc_n_peek(uint8_t itf, int pos, uint8_t* chr)
+bool tud_cdc_n_peek(uint8_t itf, uint8_t* chr)
 {
-  return tu_fifo_peek_at(&_cdcd_itf[itf].rx_ff, pos, chr);
+  return tu_fifo_peek(&_cdcd_itf[itf].rx_ff, chr);
 }
 
 void tud_cdc_n_read_flush (uint8_t itf)

src/class/cdc/cdc_device.h

@@ -83,7 +83,7 @@ int32_t  tud_cdc_n_read_char       (uint8_t itf);
 void     tud_cdc_n_read_flush      (uint8_t itf);
 
 // Get a byte from FIFO at the specified position without removing it
-bool     tud_cdc_n_peek            (uint8_t itf, int pos, uint8_t* u8);
+bool     tud_cdc_n_peek            (uint8_t itf, uint8_t* u8);
 
 // Write bytes to TX FIFO, data may remain in the FIFO for a while
 uint32_t tud_cdc_n_write           (uint8_t itf, void const* buffer, uint32_t bufsize);

src/class/vendor/vendor_device.c

@@ -72,9 +72,9 @@ uint32_t tud_vendor_n_available (uint8_t itf)
   return tu_fifo_count(&_vendord_itf[itf].rx_ff);
 }
 
-bool tud_vendor_n_peek(uint8_t itf, int pos, uint8_t* u8)
+bool tud_vendor_n_peek(uint8_t itf, uint8_t* u8)
 {
-  return tu_fifo_peek_at(&_vendord_itf[itf].rx_ff, pos, u8);
+  return tu_fifo_peek(&_vendord_itf[itf].rx_ff, u8);
 }
 
 //--------------------------------------------------------------------+

src/class/vendor/vendor_device.h

@@ -45,7 +45,7 @@ bool     tud_vendor_n_mounted         (uint8_t itf);
 
 uint32_t tud_vendor_n_available       (uint8_t itf);
 uint32_t tud_vendor_n_read            (uint8_t itf, void* buffer, uint32_t bufsize);
-bool     tud_vendor_n_peek            (uint8_t itf, int pos, uint8_t* u8);
+bool     tud_vendor_n_peek            (uint8_t itf, uint8_t* u8);
 
 uint32_t tud_vendor_n_write           (uint8_t itf, void const* buffer, uint32_t bufsize);
 uint32_t tud_vendor_n_write_available (uint8_t itf);

src/common/tusb_fifo.c

@@ -396,7 +396,7 @@ static inline void _tu_fifo_correct_read_pointer(tu_fifo_t* f, uint16_t wAbs)
 
 // Works on local copies of w and r
 // Must be protected by mutexes since in case of an overflow read pointer gets modified
-static bool _tu_fifo_peek_at(tu_fifo_t* f, void * p_buffer, uint16_t wAbs, uint16_t rAbs)
+static bool _tu_fifo_peek(tu_fifo_t* f, void * p_buffer, uint16_t wAbs, uint16_t rAbs)
 {
   uint16_t cnt = _tu_fifo_count(f, wAbs, rAbs);
 
@@ -420,7 +420,7 @@ static bool _tu_fifo_peek_at(tu_fifo_t* f, void * p_buffer, uint16_t wAbs, uint1
 
 // Works on local copies of w and r
 // Must be protected by mutexes since in case of an overflow read pointer gets modified
-static uint16_t _tu_fifo_peek_at_n(tu_fifo_t* f, void * p_buffer, uint16_t n, uint16_t wAbs, uint16_t rAbs, tu_fifo_copy_mode_t copy_mode)
+static uint16_t _tu_fifo_peek_n(tu_fifo_t* f, void * p_buffer, uint16_t n, uint16_t wAbs, uint16_t rAbs, tu_fifo_copy_mode_t copy_mode)
 {
   uint16_t cnt = _tu_fifo_count(f, wAbs, rAbs);
 
@@ -496,7 +496,7 @@ static uint16_t _tu_fifo_read_n(tu_fifo_t* f, void * buffer, uint16_t n, tu_fifo
   _ff_lock(f->mutex_rd);
 
   // Peek the data
-  n = _tu_fifo_peek_at_n(f, buffer, n, f->wr_idx, f->rd_idx, copy_mode);        // f->rd_idx might get modified in case of an overflow so we can not use a local variable
+  n = _tu_fifo_peek_n(f, buffer, n, f->wr_idx, f->rd_idx, copy_mode);        // f->rd_idx might get modified in case of an overflow so we can not use a local variable
 
   // Advance read pointer
   f->rd_idx = advance_pointer(f, f->rd_idx, n);
@@ -634,7 +634,7 @@ bool tu_fifo_read(tu_fifo_t* f, void * buffer)
   _ff_lock(f->mutex_rd);
 
   // Peek the data
-  bool ret = _tu_fifo_peek_at(f, buffer, f->wr_idx, f->rd_idx);    // f->rd_idx might get modified in case of an overflow so we can not use a local variable
+  bool ret = _tu_fifo_peek(f, buffer, f->wr_idx, f->rd_idx);    // f->rd_idx might get modified in case of an overflow so we can not use a local variable
 
   // Advance pointer
   f->rd_idx = advance_pointer(f, f->rd_idx, ret);
@@ -684,10 +684,10 @@ uint16_t tu_fifo_read_n_const_addr_full_words(tu_fifo_t* f, void * buffer, uint1
     @returns TRUE if the queue is not empty
  */
 /******************************************************************************/
-bool tu_fifo_peek_at(tu_fifo_t* f, void * p_buffer)
+bool tu_fifo_peek(tu_fifo_t* f, void * p_buffer)
 {
   _ff_lock(f->mutex_rd);
-  bool ret = _tu_fifo_peek_at(f, p_buffer, f->wr_idx, f->rd_idx);
+  bool ret = _tu_fifo_peek(f, p_buffer, f->wr_idx, f->rd_idx);
   _ff_unlock(f->mutex_rd);
   return ret;
 }
@@ -707,10 +707,10 @@ bool tu_fifo_peek_at(tu_fifo_t* f, void * p_buffer)
     @returns Number of bytes written to p_buffer
  */
 /******************************************************************************/
-uint16_t tu_fifo_peek_at_n(tu_fifo_t* f, void * p_buffer, uint16_t n)
+uint16_t tu_fifo_peek_n(tu_fifo_t* f, void * p_buffer, uint16_t n)
 {
   _ff_lock(f->mutex_rd);
-  bool ret = _tu_fifo_peek_at_n(f, p_buffer, n, f->wr_idx, f->rd_idx, TU_FIFO_COPY_INC);
+  bool ret = _tu_fifo_peek_n(f, p_buffer, n, f->wr_idx, f->rd_idx, TU_FIFO_COPY_INC);
   _ff_unlock(f->mutex_rd);
   return ret;
 }

src/common/tusb_fifo.h

@@ -123,8 +123,8 @@ bool     tu_fifo_read                   (tu_fifo_t* f, void * p_buffer);
 uint16_t tu_fifo_read_n                 (tu_fifo_t* f, void * p_buffer, uint16_t n);
 uint16_t tu_fifo_read_n_const_addr_full_words     (tu_fifo_t* f, void * buffer, uint16_t n);
 
-bool     tu_fifo_peek_at                (tu_fifo_t* f, void * p_buffer);
-uint16_t tu_fifo_peek_at_n              (tu_fifo_t* f, void * p_buffer, uint16_t n);
+bool     tu_fifo_peek                   (tu_fifo_t* f, void * p_buffer);
+uint16_t tu_fifo_peek_n                 (tu_fifo_t* f, void * p_buffer, uint16_t n);
 
 uint16_t tu_fifo_count                  (tu_fifo_t* f);
 bool     tu_fifo_empty                  (tu_fifo_t* f);
@@ -147,11 +147,6 @@ void     tu_fifo_advance_read_pointer   (tu_fifo_t *f, uint16_t n);
 void tu_fifo_get_read_info(tu_fifo_t *f, tu_fifo_buffer_info_t *info, uint16_t n);
 void tu_fifo_get_write_info(tu_fifo_t *f, tu_fifo_buffer_info_t *info, uint16_t n);
 
-static inline bool tu_fifo_peek(tu_fifo_t* f, void * p_buffer)
-{
-  return tu_fifo_peek_at(f, p_buffer);
-}
-
 static inline uint16_t tu_fifo_depth(tu_fifo_t* f)
 {
   return f->depth;

test/test/test_fifo.c

@@ -150,9 +150,6 @@ void test_peek(void)
 
   tu_fifo_peek(&ff, &temp);
   TEST_ASSERT_EQUAL(10, temp);
-
-  tu_fifo_peek_at(&ff, 1, &temp);
-  TEST_ASSERT_EQUAL(20, temp);
 }
 
 void test_empty(void)