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Set Sound Play COMMAND
in Sound Play Function Registers(See Table 21.4.14.1)
Cortex Set HW Processor
21.4.9. Release Mute Command
"Release Mute" command can be set under "sp_state_mute" state.
"Release Mute" command ends the mute, after mute end, the state goes to "sp_state_play".
On Mute, Sound play keep going, once the sentence is finished, mute is released and move to
"sp_state_idle".
Release Mute
After getting "Release MUTE" command, Sound Playing releases mute immediately.
Even release muting at big sample value, smooth function avoids the noise.
Figure 21.4.9.1 shows smooth function after "Release Mute" command.
Release Mute command
Figure 21.4.9.1 Smooth Function after "Release Mute" Command
Figure 21.4.9.2 shows "Release Mute" command flow.
21-12
Wait STATE_x = "sp_state_play"
Wait STATUS.READY = sp_status_ready
-
COMMAND_x: "MUTE_xxx"
Set HWPCMDTRG.HWP0TRG
Wait HWPINTF.HWP0IF = 1
check STATE_x = "sp_state_mute", if necessary
Figure 21.4.8.3 "Mute" Command Flow.
Smooth function
Seiko Epson Corporation
HW Processor interrupts to cortex
S1C31D50 TECHNICAL MANUAL
(Rev. 1.00)
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