diff options
| author | Bdale Garbee <bdale@gag.com> | 2013-12-19 01:38:40 -0700 |
|---|---|---|
| committer | Bdale Garbee <bdale@gag.com> | 2013-12-19 01:38:40 -0700 |
| commit | 575bbaf976c5840fd0e308549c45a466fdec1352 (patch) | |
| tree | 11bfb498348bf7687bffc24699c4b1a998988ee4 /src/micropeak/ao_async.c | |
| parent | b825116df173b77e2cab217a7b76112c742f9279 (diff) | |
| parent | bc3610d8cecbfed40c62d4dcb93fc9a4d2a7c9e3 (diff) | |
Merge branch 'branch-1.3' into debian
Conflicts:
ChangeLog
altoslib/AltosRecordMM.java
altosui/Makefile.am
altosui/altos-windows.nsi.in
configure.ac
debian/changelog
debian/control
doc/Makefile
doc/altusmetrum.xsl
doc/release-notes-1.2.1.xsl
doc/release-notes-1.2.xsl
Diffstat (limited to 'src/micropeak/ao_async.c')
| -rw-r--r-- | src/micropeak/ao_async.c | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/src/micropeak/ao_async.c b/src/micropeak/ao_async.c deleted file mode 100644 index 3556f54c..00000000 --- a/src/micropeak/ao_async.c +++ /dev/null @@ -1,71 +0,0 @@ -/* - * Copyright © 2012 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> -#include <ao_async.h> - -#define AO_ASYNC_BAUD 38400l -#define AO_ASYNC_DELAY (uint8_t) (1000000l / AO_ASYNC_BAUD) - -#define LED_PORT PORTB - -void -ao_async_start(void) -{ - LED_PORT |= (1 << AO_LED_SERIAL); -} - -void -ao_async_stop(void) -{ - LED_PORT &= ~(1 << AO_LED_SERIAL); -} - -void -ao_async_byte(uint8_t byte) -{ - uint8_t b; - uint16_t w; - - /* start data stop */ - w = (0x000 << 0) | (byte << 1) | (0x001 << 9); - - ao_arch_block_interrupts(); - for (b = 0; b < 10; b++) { - uint8_t v = LED_PORT & ~(1 << AO_LED_SERIAL); - v |= (w & 1) << AO_LED_SERIAL; - LED_PORT = v; - w >>= 1; - - /* Carefully timed to hit around 9600 baud */ - asm volatile ("nop"); - asm volatile ("nop"); - - asm volatile ("nop"); - asm volatile ("nop"); - asm volatile ("nop"); - asm volatile ("nop"); - asm volatile ("nop"); - - asm volatile ("nop"); - asm volatile ("nop"); - asm volatile ("nop"); - asm volatile ("nop"); - asm volatile ("nop"); - } - ao_arch_release_interrupts(); -} |