Defines | |
#define | VS_SCK_PORT PORTB |
#define | VS_SCK_DDR DDRB |
#define | VS_SCK_BIT 0 |
#define | VS_SS_PORT PORTB |
#define | VS_SS_DDR DDRB |
#define | VS_SS_BIT 1 |
#define | VS_SI_PORT PORTB |
#define | VS_SI_DDR DDRB |
#define | VS_SI_BIT 2 |
#define | VS_SO_DDR DDRB |
#define | VS_SO_BIT 3 |
#define | VS_XCS_PORT PORTB |
#define | VS_XCS_DDR DDRB |
#define | VS_XCS_BIT 4 |
#define | VS_BSYNC_PORT PORTB |
#define | VS_BSYNC_DDR DDRB |
#define | VS_BSYNC_BIT 5 |
#define | VS_RESET_PORT PORTB |
#define | VS_RESET_DDR DDRB |
#define | VS_RESET_BIT 7 |
#define | VS_DREQ_PORT PORTE |
#define | VS_DREQ_PIN PINE |
#define | VS_DREQ_DDR DDRE |
#define | VS_DREQ_BIT 6 |
#define | VS_OPCODE_READ 3 |
#define | VS_OPCODE_WRITE 2 |
#define | VS_MODE_REG 0 |
#define | VS_STATUS_REG 1 |
#define | VS_CLOCKF_REG 3 |
#define | VS_DECODE_TIME_REG 4 |
#define | VS_AUDATA_REG 5 |
#define | VS_WRAM_REG 6 |
#define | VS_WRAMADDR_REG 7 |
#define | VS_HDAT0_REG 8 |
#define | VS_HDAT1_REG 9 |
#define | VS_A1ADDR_REG 10 |
#define | VS_VOL_REG 11 |
#define | VS_A1CTRL_REG 13 |
#define | VS_SM_DIFF 0x0001 |
#define | VS_SM_FFWD 0x0002 |
#define | VS_SM_RESET 0x0004 |
#define | VS_SM_MP12 0x0008 |
#define | VS_SM_PDOWN 0x0010 |
#define | VS_SM_DAC 0x0020 |
#define | VS_SM_DACMONO 0x0040 |
#define | VS_SM_BASS 0x0080 |
#define | VS_SM_DACT 0x0100 |
#define | VS_SM_BYTEORD 0x0200 |
#define | VS_SM_IBMODE 0x0400 |
#define | VS_SM_IBCLK 0x0800 |
#define | VS_CF_DOUBLER 0x8000 |
Functions | |
int | VsPlayerInit (void) |
Initialize the VS1001 hardware interface. | |
int | VsPlayerReset (u_short mode) |
Software reset the decoder. | |
int | VsPlayerKick (void) |
Start playback. | |
u_char * | VsBufferInit (u_short size) |
Initialize the MP3 data buffer. | |
u_char * | VsBufferReset (void) |
Reset all MP3 data buffer pointers. | |
u_char * | VsBufferRequest (u_short *sizep) |
Request MP3 data buffer space. | |
u_char * | VsBufferAcknowledge (u_short nbytes) |
Acknowledge filled buffer space. | |
int | VsSetVolume (u_char left, u_char right) |
Set volume. | |
int | VsBeep (u_char fsin, u_char ms) |
Sine wave beep. |
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Sine wave beep.
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Acknowledge filled buffer space.
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Initialize the MP3 data buffer.
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Request MP3 data buffer space.
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Reset all MP3 data buffer pointers.
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Initialize the VS1001 hardware interface.
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Start playback.
This routine will send the first MP3 data bytes to the decoder, until it is completely filled. The data buffer should have been filled with at least about 6k of data before calling this routine. If called for the first time, the routine will register the interrupt handler. If the decoder is activated, 1024 nulls are sent first.
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Software reset the decoder.
This function is typically called after VsPlayerInit().
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Set volume.
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