e200: Add recording. Just from MIC right now and FM integration will happen soon. Most every bit of weirdness is nescessary and no problems seem to exist that the retailos doesn't exhibit too (namely noise when LCD is on when recording from MIC).

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@13557 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 6 insertions, 5 deletions

diff --git a/firmware/target/arm/sandisk/sansa-e200/ata-e200.c b/firmware/target/arm/sandisk/sansa-e200/ata-e200.c
index 29fe0d9109..10c13cdb2e 100644
--- a/firmware/target/arm/sandisk/sansa-e200/ata-e200.c
+++ b/firmware/target/arm/sandisk/sansa-e200/ata-e200.c
@@ -223,6 +223,7 @@ void sd_wait_for_state(tSDCardInfo* card, unsigned int state)
     while(((response >> 9) & 0xf) != state)
     {
         sd_send_command(SEND_STATUS, (card->rca) << 16, 1);
+        priority_yield();
         sd_read_response(&response, 1);
         /* TODO: Add a timeout and error handling */
     }
@@ -442,7 +443,7 @@ void sd_init_device(void)
             dataptr += (FIFO_SIZE*2); /* Advance one chunk of 16 words */
         }
     }
-    mutex_init(&sd_mtx);
+    spinlock_init(&sd_mtx);
 }
 
 /* API Functions */
@@ -472,7 +473,7 @@ int ata_read_sectors(IF_MV2(int drive,)
 #ifdef HAVE_MULTIVOLUME
     (void)drive; /* unused for now */
 #endif
-    mutex_lock(&sd_mtx);
+    spinlock_lock(&sd_mtx);
 
     last_disk_activity = current_tick;
     spinup_start = current_tick;
@@ -530,7 +531,7 @@ int ata_read_sectors(IF_MV2(int drive,)
     ata_led(false);
     ata_enable(false);
 
-    mutex_unlock(&sd_mtx);
+    spinlock_unlock(&sd_mtx);
 
     return ret;
 }
@@ -551,7 +552,7 @@ int ata_write_sectors(IF_MV2(int drive,)
     long timeout;
     tSDCardInfo *card = &card_info[current_card];
 
-    mutex_lock(&sd_mtx);
+    spinlock_lock(&sd_mtx);
     ata_enable(true);
     ata_led(true);
     if(current_card == 0)
@@ -607,7 +608,7 @@ retry:
     sd_wait_for_state(card, TRAN);
     ata_led(false);
     ata_enable(false);
-    mutex_unlock(&sd_mtx);
+    spinlock_unlock(&sd_mtx);
 
     return ret;
 }