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authorRob Purchase <shotofadds@rockbox.org>2008-01-14 22:04:48 +0000
committerRob Purchase <shotofadds@rockbox.org>2008-01-14 22:04:48 +0000
commit47ea030e2e68a51f91a2c2302b7ea4d3ee1a2a07 (patch)
tree0a48ce653e22ec9a2673474f718217d9659e0c6b /firmware/target/arm/tcc780x/timer-tcc780x.c
parentb30ca8ca5ab6c8ea27b8fe1f5fb38ebad09b7e62 (diff)
downloadrockbox-47ea030e2e68a51f91a2c2302b7ea4d3ee1a2a07.tar.gz
rockbox-47ea030e2e68a51f91a2c2302b7ea4d3ee1a2a07.zip
Initial Cowon D2 commit:
* bootloader test program (basic LCD & button drivers, reads touchscreen) * work-in-progress stubs for main build git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16090 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/target/arm/tcc780x/timer-tcc780x.c')
-rw-r--r--firmware/target/arm/tcc780x/timer-tcc780x.c82
1 files changed, 82 insertions, 0 deletions
diff --git a/firmware/target/arm/tcc780x/timer-tcc780x.c b/firmware/target/arm/tcc780x/timer-tcc780x.c
new file mode 100644
index 0000000000..c724c4b3a8
--- /dev/null
+++ b/firmware/target/arm/tcc780x/timer-tcc780x.c
@@ -0,0 +1,82 @@
+/***************************************************************************
+* __________ __ ___.
+* Open \______ \ ____ ____ | | _\_ |__ _______ ___
+* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+* \/ \/ \/ \/ \/
+* $Id$
+*
+* Copyright (C) 2008 by Rob Purchase
+*
+* All files in this archive are subject to the GNU General Public License.
+* See the file COPYING in the source tree root for full license agreement.
+*
+* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+* KIND, either express or implied.
+*
+****************************************************************************/
+
+#include "config.h"
+#include "cpu.h"
+#include "system.h"
+#include "timer.h"
+#include "logf.h"
+
+/* Use the TC32 counter [sourced by Xin:12Mhz] for this timer, as it's the
+ only one that allows a 32-bit counter (Timer0-5 are 16/20 bit only). */
+
+bool __timer_set(long cycles, bool start)
+{
+ #warning function not implemented
+
+ (void)cycles;
+ (void)start;
+ return false;
+}
+
+bool __timer_register(void)
+{
+ #warning function not implemented
+
+ return false;
+}
+
+void __timer_unregister(void)
+{
+ #warning function not implemented
+}
+
+
+/* Timer interrupt processing - all timers (inc. tick) have a single IRQ */
+
+extern void (*tick_funcs[MAX_NUM_TICK_TASKS])(void);
+
+void TIMER(void)
+{
+ if (TIREQ & TF0) /* Timer0 reached ref value */
+ {
+ int i;
+
+ /* Run through the list of tick tasks */
+ for(i = 0; i < MAX_NUM_TICK_TASKS; i++)
+ {
+ if(tick_funcs[i])
+ {
+ tick_funcs[i]();
+ }
+ }
+
+ current_tick++;
+
+ /* reset Timer 0 IRQ & ref flags */
+ TIREQ |= TI0 | TF0;
+ }
+
+ if (TC32IRQ & (1<<3)) /* end of TC32 prescale */
+ {
+ /* dispatch timer */
+ }
+
+ CREQ |= TIMER_IRQ_MASK; /* clear IRQ */
+}