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Even more recording fixes. No more lockups (i hope)

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@2886 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Linus Nielsen Feltzing 2002-11-25 20:16:44 +00:00
parent 2c0b72f103
commit cde27c3909
1 changed files with 25 additions and 4 deletions
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27
firmware/mpeg.c
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@ -1931,8 +1931,8 @@ static void init_recording(void)
val = 0;
mas_writemem(MAS_BANK_D0, 0x7f9, &val, 1);
/* Set Demand mode and validate all settings */
val = 0x25;
/* Set Demand mode, no monitoring and validate all settings */
val = 0x125;
mas_writemem(MAS_BANK_D0, 0x7f1, &val, 1);
/* Start the encoder application */
@ -1943,6 +1943,13 @@ static void init_recording(void)
mas_readmem(MAS_BANK_D0, 0x7f7, &val, 1);
} while(!(val & 0x40));
/* We have started the recording application with monitoring OFF.
This is because we want to record at least one frame to fill the DMA
buffer, because the silly MAS will not negate EOD until at least one
DMA transfer has taken place.
Now let's wait for some data to be encoded. */
sleep(20);
/* Disable IRQ6 */
IPRB &= 0xff0f;
@ -2026,6 +2033,14 @@ static void start_recording(void)
val |= 1;
mas_writemem(MAS_BANK_D0, 0x7f1, &val, 1);
/* Wait until the DSP has accepted the settings */
do
{
mas_readmem(MAS_BANK_D0, 0x7f1, &val,1);
} while(val & 1);
sleep(20);
/* Read the current frame */
mas_readmem(MAS_BANK_D0, 0xfd0, &record_start_frame, 1);
@ -2044,6 +2059,12 @@ static void stop_recording(void)
val |= (1 << 10) | 1;
mas_writemem(MAS_BANK_D0, 0x7f1, &val, 1);
/* Wait until the DSP has accepted the settings */
do
{
mas_readmem(MAS_BANK_D0, 0x7f1, &val,1);
} while(val & 1);
drain_dma_buffer();
}
@ -2617,7 +2638,7 @@ void mpeg_set_recording_options(int frequency, int quality,
DEBUGF("mas_writemem(MAS_BANK_D0, 0x7f0, %x)\n", val);
val = ((1 << 10) | /* Monitoring on */
val = ((!is_recording << 10) | /* Monitoring */
((source < 2)?1:2) << 8) | /* Input select */
(1 << 5) | /* SDO strobe invert */
((is_mpeg1?0:1) << 3) |