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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_adc.c
parent8cce307bb3156584ba17ae5a787f645dfee5fb94 (diff)
Use autotools, move altos to src subdir
Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'ao_adc.c')
-rw-r--r--ao_adc.c93
1 files changed, 0 insertions, 93 deletions
diff --git a/ao_adc.c b/ao_adc.c
deleted file mode 100644
index bef6bb7f..00000000
--- a/ao_adc.c
+++ /dev/null
@@ -1,93 +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"
-
-volatile __xdata struct ao_adc ao_adc_ring[AO_ADC_RING];
-volatile __data uint8_t ao_adc_head;
-
-void
-ao_adc_poll(void)
-{
- ADCCON3 = ADCCON3_EREF_VDD | ADCCON3_EDIV_512 | 0;
-}
-
-void
-ao_adc_sleep(void)
-{
- ao_sleep(&ao_adc_ring);
-}
-
-void
-ao_adc_get(__xdata struct ao_adc *packet)
-{
- uint8_t i = ao_adc_ring_prev(ao_adc_head);
- memcpy(packet, &ao_adc_ring[i], sizeof (struct ao_adc));
-}
-
-void
-ao_adc_isr(void) interrupt 1
-{
- uint8_t sequence;
- uint8_t __xdata *a;
-
- sequence = (ADCCON2 & ADCCON2_SCH_MASK) >> ADCCON2_SCH_SHIFT;
- a = (uint8_t __xdata *) (&ao_adc_ring[ao_adc_head].accel + sequence);
- a[0] = ADCL;
- a[1] = ADCH;
- if (sequence < 5) {
- /* start next channel conversion */
- ADCCON3 = ADCCON3_EREF_VDD | ADCCON3_EDIV_512 | (sequence + 1);
- } else {
- /* record this conversion series */
- ao_adc_ring[ao_adc_head].tick = ao_time();
- ao_adc_head = ao_adc_ring_next(ao_adc_head);
- ao_wakeup(ao_adc_ring);
- }
-}
-
-static void
-ao_adc_dump(void)
-{
- __xdata struct ao_adc packet;
- ao_adc_get(&packet);
- printf("tick: %5u accel: %4d pres: %4d temp: %4d batt: %4d drogue: %4d main: %4d\n",
- packet.tick, packet.accel >> 4, packet.pres >> 4, packet.temp >> 4,
- packet.v_batt >> 4, packet.sense_d >> 4, packet.sense_m >> 4);
-}
-
-__code struct ao_cmds ao_adc_cmds[] = {
- { 'a', ao_adc_dump, "a Display current ADC values" },
- { 0, ao_adc_dump, NULL },
-};
-
-void
-ao_adc_init(void)
-{
- ADCCFG = ((1 << 0) | /* acceleration */
- (1 << 1) | /* pressure */
- (1 << 2) | /* temperature */
- (1 << 3) | /* battery voltage */
- (1 << 4) | /* drogue sense */
- (1 << 5)); /* main sense */
-
- /* enable interrupts */
- ADCIF = 0;
- IEN0 |= IEN0_ADCIE;
- ao_cmd_register(&ao_adc_cmds[0]);
-}
-