Epson S1C31D50 Technical Instructions page 360

Mute & Release Mute
Figure 21.4.15.3 shows Sound Mute-Release Mute Flow.
Cortex Set HW Processor
Cortex Set HW Processor
21-22
Wait STATE_x = "sp_state_play"
Wait STATUS.READY = sp_status_ready
Set Sound Play COMMAND
-
COMMAND_x: "MUTE_xxx
in Sound Play Function Registers(See Table 21.4.14.1)
Set HWPCMDTRG.HWP0TRG
Wait HWPINTF.HWP0IF = 1
check STATE_x = "sp_state_mute", if necessary
Wait STATE_x = "sp_state_mute"
Wait STATUS.READY = sp_status_ready
Set Sound Play COMMAND
-
COMMAND_x: "Release_Mute"
in Sound Play Function Registers(See Table 21.4.14.1)
Set HWPCMDTRG.HWP0TRG
Wait HWPINTF.HWP0IF = 1
check STATE_x = "sp_state_play", if necessary
Figure 21.4.15.3 Sound Mute-Release Mute Flow
Seiko Epson Corporation
HW Processor interrupts to cortex
HW Processor interrupts to cortex
S1C31D50 TECHNICAL MANUAL
(Rev. 1.00)