diff options
| author | hathach <[email protected]> | 2026-01-03 00:34:49 +0700 |
|---|---|---|
| committer | hathach <[email protected]> | 2026-01-03 00:47:40 +0700 |
| commit | c87f0db45978b6b1f11f151bf5c061b926dba245 (patch) | |
| tree | 3bcac081786f7aac09615fe129e65bf713c9739a /src/common/tusb_fifo.h | |
| parent | b87c2fcc9f68f6e0f5e8add653ee0c67d3467e02 (diff) | |
add tu_hwfifo_access_t param to hwfifo API
Diffstat (limited to 'src/common/tusb_fifo.h')
| -rw-r--r-- | src/common/tusb_fifo.h | 30 |
1 files changed, 18 insertions, 12 deletions
diff --git a/src/common/tusb_fifo.h b/src/common/tusb_fifo.h index d7e5416fd..6fcc7020c 100644 --- a/src/common/tusb_fifo.h +++ b/src/common/tusb_fifo.h @@ -138,6 +138,12 @@ typedef struct { } linear, wrapped; } tu_fifo_buffer_info_t; +// Access mode for hardware fifo read/write +typedef struct { + uint8_t data_stride; + uintptr_t param; +} tu_hwfifo_access_t; + #define TU_FIFO_INIT(_buffer, _depth, _overwritable) \ { \ .buffer = _buffer, \ @@ -192,7 +198,7 @@ void tu_fifo_get_write_info(tu_fifo_t *f, tu_fifo_buffer_info_t *info); // peek() will correct/re-index read pointer in case of an overflowed fifo to form a full fifo //--------------------------------------------------------------------+ uint16_t tu_fifo_peek_n_access_mode(tu_fifo_t *f, void *p_buffer, uint16_t n, uint16_t wr_idx, uint16_t rd_idx, - uint8_t data_stride); + const tu_hwfifo_access_t *access_mode); 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); @@ -200,10 +206,10 @@ uint16_t tu_fifo_peek_n(tu_fifo_t *f, void *p_buffer, uint16_t n); // Read API // peek() + advance read index //--------------------------------------------------------------------+ -uint16_t tu_fifo_read_n_access_mode(tu_fifo_t *f, void *buffer, uint16_t n, uint8_t data_stride); +uint16_t tu_fifo_read_n_access_mode(tu_fifo_t *f, void *buffer, uint16_t n, const tu_hwfifo_access_t *access_mode); bool tu_fifo_read(tu_fifo_t *f, void *buffer); TU_ATTR_ALWAYS_INLINE static inline uint16_t tu_fifo_read_n(tu_fifo_t *f, void *buffer, uint16_t n) { - return tu_fifo_read_n_access_mode(f, buffer, n, 0); + return tu_fifo_read_n_access_mode(f, buffer, n, NULL); } // discard first n items from fifo i.e advance read pointer by n with mutex @@ -213,10 +219,10 @@ uint16_t tu_fifo_discard_n(tu_fifo_t *f, uint16_t n); //--------------------------------------------------------------------+ // Write API //--------------------------------------------------------------------+ -uint16_t tu_fifo_write_n_access_mode(tu_fifo_t *f, const void *data, uint16_t n, uint8_t data_stride); +uint16_t tu_fifo_write_n_access_mode(tu_fifo_t *f, const void *data, uint16_t n, const tu_hwfifo_access_t *access_mode); bool tu_fifo_write(tu_fifo_t *f, const void *data); TU_ATTR_ALWAYS_INLINE static inline uint16_t tu_fifo_write_n(tu_fifo_t *f, const void *data, uint16_t n) { - return tu_fifo_write_n_access_mode(f, data, n, 0); + return tu_fifo_write_n_access_mode(f, data, n, NULL); } //--------------------------------------------------------------------+ @@ -225,22 +231,22 @@ TU_ATTR_ALWAYS_INLINE static inline uint16_t tu_fifo_write_n(tu_fifo_t *f, const // CFG_TUSB_FIFO_HWFIFO_DATA_STRIDE (data width) and CFG_TUSB_FIFO_HWFIFO_ADDR_STRIDE (address increment) // Note: these usually has opposiite direction (read/write) to/from our software FIFO (tu_fifo_t) //--------------------------------------------------------------------+ -TU_ATTR_ALWAYS_INLINE static inline uint16_t tu_hwfifo_write_from_fifo(volatile void *hwfifo, tu_fifo_t *f, - uint16_t n) { - return tu_fifo_read_n_access_mode(f, (void *)(uintptr_t)hwfifo, n, CFG_TUSB_FIFO_HWFIFO_DATA_STRIDE); +TU_ATTR_ALWAYS_INLINE static inline uint16_t tu_hwfifo_write_from_fifo(volatile void *hwfifo, tu_fifo_t *f, uint16_t n, + const tu_hwfifo_access_t *access_mode) { + return tu_fifo_read_n_access_mode(f, (void *)(uintptr_t)hwfifo, n, access_mode); } TU_ATTR_ALWAYS_INLINE static inline uint16_t tu_hwfifo_read_to_fifo(const volatile void *hwfifo, tu_fifo_t *f, - uint16_t n) { - return tu_fifo_write_n_access_mode(f, (const void *)(uintptr_t)hwfifo, n, CFG_TUSB_FIFO_HWFIFO_DATA_STRIDE); + uint16_t n, const tu_hwfifo_access_t *access_mode) { + return tu_fifo_write_n_access_mode(f, (const void *)(uintptr_t)hwfifo, n, access_mode); } #if CFG_TUSB_FIFO_HWFIFO_API // read from hwfifo to buffer -void tu_hwfifo_read(const volatile void *hwfifo, uint8_t *dest, uint16_t len, uint8_t data_stride); +void tu_hwfifo_read(const volatile void *hwfifo, uint8_t *dest, uint16_t len, const tu_hwfifo_access_t *access_mode); // write to hwfifo from buffer with access mode -void tu_hwfifo_write(volatile void *hwfifo, const uint8_t *src, uint16_t len, uint8_t data_stride); +void tu_hwfifo_write(volatile void *hwfifo, const uint8_t *src, uint16_t len, const tu_hwfifo_access_t *access_mode); #endif |
