+++ /dev/null
-/*
- * 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"
-
-void
-ao_beep(uint8_t beep)
-{
- if (beep == 0) {
- P2_0 = 0;
- P2SEL = (P2SEL & ~P2SEL_SELP2_0_MASK) | P2SEL_SELP2_0_GPIO;
- T4CTL = 0;
- } else {
- P2SEL = (P2SEL & ~P2SEL_SELP2_0_MASK) | P2SEL_SELP2_0_PERIPHERAL;
- T4CC0 = beep;
- T4CTL = TxCTL_DIV_32 | TxCTL_MODE_MODULO | TxCTL_START;
- }
-}
-
-void
-ao_beep_for(uint8_t beep, uint16_t ticks) __reentrant
-{
- ao_beep(beep);
- ao_delay(ticks);
- ao_beep(0);
-}
-
-void
-ao_beep_init(void)
-{
- /* Our beeper is on P2_0, which is hooked to timer 4 using
- * configuration alternative 2
- */
- P2_0 = 0;
- P2SEL = (P2SEL & ~P2SEL_SELP2_0_MASK) | P2SEL_SELP2_0_GPIO;
- PERCFG = (PERCFG & ~PERCFG_T4CFG_ALT_MASK) | PERCFG_T4CFG_ALT_2;
- T4CCTL0 = TxCCTLy_CMP_TOGGLE|TxCCTLy_CMP_MODE_ENABLE;
-}