Clockgen Module

Functions
s32	sceClockgenSetup (void)
s32	sceClockgenSetSpectrumSpreading (s32 mode)
s32	sceClockgenInit (void)
s32	sceClockgenEnd (void)
s32	sceClockgenSetProtocol (u32 prot)
s32	sceClockgenGetRevision (void)
s32	sceClockgenGetRegValue (u32 idx)
s32	sceClockgenAudioClkSetFreq (u32 freq)
s32	sceClockgenAudioClkEnable (void)
s32	sceClockgenAudioClkDisable (void)
s32	sceClockgenLeptonClkEnable (void)
s32	sceClockgenLeptonClkDisable (void)

Detailed Description

Clock generator management.

Function Documentation

sceClockgenSetup()

s32 sceClockgenSetup

(

void

)

Setups the module by retrieving all hardware registers to memory.

Returns

SCE_ERROR_OK, otherwise <0 on error.

sceClockgenSetSpectrumSpreading()

s32 sceClockgenSetSpectrumSpreading

(

s32

mode

)

Sets the spectrum spreading mode.

Parameters

mode	The new spectrum spreading mode. Unknown unit.

Returns

SCE_ERROR_OK, otherwise <0 on error.

sceClockgenInit()

s32 sceClockgenInit

(

void

)

Inits the module.

Sets up the I2C bus speed, creates the mutex and registers the sysevent handler.

Returns

SCE_ERROR_OK, otherwise <0 on error.

sceClockgenEnd()

s32 sceClockgenEnd

(

void

)

Terminates the module.

Deletes the mutex and unregisters the sysevent handler.

Returns

SCE_ERROR_OK.

sceClockgenSetProtocol()

s32 sceClockgenSetProtocol

(

u32

prot

)

Sets the protocol.

Changes the behavior of sceClockgenSetup(). Non-zero will retrieve the hardware registers with a single command.

Parameters

prot

Boolean.

Returns

SCE_ERROR_OK.

sceClockgenGetRevision()

s32 sceClockgenGetRevision

(

void

)

Gets the CY27040 chip revision.

Returns

Likely 3, 4, 7, 8, 9, 10 or 15. Another value may indicate that you work at SCE.

sceClockgenGetRegValue()

s32 sceClockgenGetRegValue

(

u32

idx

)

Gets the CY27040 hardware register value as stored in memory.

Parameters

idx	An index where 0 <= idx < 3.

Returns

The register value, otherwise <0.

sceClockgenAudioClkSetFreq()

s32 sceClockgenAudioClkSetFreq

(

u32

freq

)

Sets the audio clock frequency.

Parameters

freq	A sample rate frequency in Hz. 44100 or 48000.

Returns

SCE_ERROR_OK, otherwise <0.

sceClockgenAudioClkEnable()

s32 sceClockgenAudioClkEnable

(

void

)

Enables the audio clock.

Returns

SCE_ERROR_OK, otherwise <0.

sceClockgenAudioClkDisable()

s32 sceClockgenAudioClkDisable

(

void

)

Disables the audio clock.

Returns

SCE_ERROR_OK, otherwise <0.

sceClockgenLeptonClkEnable()

s32 sceClockgenLeptonClkEnable

(

void

)

Enables the lepton clock (managing the UMD reader).

Returns

SCE_ERROR_OK, otherwise <0.

sceClockgenLeptonClkDisable()

s32 sceClockgenLeptonClkDisable

(

void

)

Disables the lepton clock (managing the UMD reader).

Returns

SCE_ERROR_OK, otherwise <0.