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authorKeith Packard <keithp@keithp.com>2009-06-04 10:41:34 -0700
committerKeith Packard <keithp@keithp.com>2009-06-04 10:41:34 -0700
commit210dbaa23cdacf3a6f2d6e23493e96ee2ac9bca7 (patch)
tree42dbabd0caa7186c898da746014341d3ff31a201 /ao_timer.c
parent8cce307bb3156584ba17ae5a787f645dfee5fb94 (diff)
Use autotools, move altos to src subdir
Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'ao_timer.c')
-rw-r--r--ao_timer.c86
1 files changed, 0 insertions, 86 deletions
diff --git a/ao_timer.c b/ao_timer.c
deleted file mode 100644
index a6a7646f..00000000
--- a/ao_timer.c
+++ /dev/null
@@ -1,86 +0,0 @@
-/*
- * Copyright © 2009 Keith Packard <keithp@keithp.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
- */
-
-#include "ao.h"
-
-static volatile __data uint16_t ao_tick_count;
-
-uint16_t ao_time(void) __critical
-{
- return ao_tick_count;
-}
-
-void
-ao_delay(uint16_t ticks)
-{
- uint16_t until = ao_time() + ticks;
-
- while ((int16_t) (until - ao_time()) > 0)
- ao_sleep(DATA_TO_XDATA(&ao_tick_count));
-}
-
-#define T1_CLOCK_DIVISOR 8 /* 24e6/8 = 3e6 */
-#define T1_SAMPLE_TIME 30000 /* 3e6/30000 = 100 */
-
-volatile __data uint8_t ao_adc_interval = 1;
-volatile __data uint8_t ao_adc_count;
-
-void ao_timer_isr(void) interrupt 9
-{
- ++ao_tick_count;
- if (++ao_adc_count == ao_adc_interval) {
- ao_adc_count = 0;
- ao_adc_poll();
- }
- ao_wakeup(DATA_TO_XDATA(&ao_tick_count));
-}
-
-void
-ao_timer_set_adc_interval(uint8_t interval) __critical
-{
- ao_adc_interval = interval;
- ao_adc_count = 0;
-}
-
-void
-ao_timer_init(void)
-{
- /* NOTE: This uses a timer only present on cc1111 architecture. */
-
- /* disable timer 1 */
- T1CTL = 0;
-
- /* set the sample rate */
- T1CC0H = T1_SAMPLE_TIME >> 8;
- T1CC0L = (uint8_t) T1_SAMPLE_TIME;
-
- T1CCTL0 = T1CCTL_MODE_COMPARE;
- T1CCTL1 = 0;
- T1CCTL2 = 0;
-
- /* clear timer value */
- T1CNTL = 0;
-
- /* enable overflow interrupt */
- OVFIM = 1;
- /* enable timer 1 interrupt */
- T1IE = 1;
-
- /* enable timer 1 in module mode, dividing by 8 */
- T1CTL = T1CTL_MODE_MODULO | T1CTL_DIV_8;
-}
-