參數(shù)資料
型號: VS1003
廠商: Electronic Theatre Controls, Inc.
元件分類: Codec
英文描述: MP3 / WMA AUDIO CODEC
中文描述: MP3播放/ WMA音頻編解碼器
文件頁數(shù): 55/57頁
文件大小: 456K
代理商: VS1003
VLSI
Solution
y
VS1003 PRELIMINARY
VS1003
10. VS1003 REGISTERS
u int16 DataBytes(void);
If the user has taken over the normal operation of the system by switching the pointer in UserCodec
to point to his own code, he may read data from the Data Interface through this and the following two
functions.
This function returns the number of data bytes that can be read.
10.14.4
GetDataByte(), 0x8
VS DSP C prototype:
u int16 GetDataByte(void);
Reads and returns one data byte from the Data Interface. This function will wait until there is enough
data in the input buffer.
10.14.5
GetDataWords(), 0xa
VS DSP C prototype:
void GetDataWords(register
i0
y u int16 *d, register
a0 u int16 n);
Read
n
data byte pairs and copy them in big-endian format (first byte to MSBs) to
d
. This function will
wait until there is enough data in the input buffer.
10.14.6
Reboot(), 0xc
VS DSP C prototype:
void Reboot(void);
Causes a software reboot, i.e. jump to the standard firmware without reinitializing the IRAM vectors.
This is NOT the same as the software reset function, which causes complete initialization.
Version 0.92,
2005-06-07
55
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