From e29619b4d23ae100379f64d83e3e2858a042bbf8 Mon Sep 17 00:00:00 2001 From: Cástor Muñoz Date: Sat, 11 Feb 2012 23:41:54 +0100 Subject: FS#12524 - iPod Classic/6G: hardware click support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Based on the piezo driver for the nano2g. Signed-off-by: Nils Wallménius --- firmware/SOURCES | 1 + firmware/export/config/ipod6g.h | 2 + firmware/target/arm/s5l8702/ipod6g/piezo-ipod6g.c | 95 +++++++++++++++++++++++ firmware/target/arm/s5l8702/ipod6g/piezo.h | 26 +++++++ 4 files changed, 124 insertions(+) create mode 100644 firmware/target/arm/s5l8702/ipod6g/piezo-ipod6g.c create mode 100644 firmware/target/arm/s5l8702/ipod6g/piezo.h (limited to 'firmware') diff --git a/firmware/SOURCES b/firmware/SOURCES index 18e76a895b..e5df779260 100644 --- a/firmware/SOURCES +++ b/firmware/SOURCES @@ -1458,6 +1458,7 @@ target/arm/s5l8702/debug-s5l8702.c target/arm/s5l8702/pcm-s5l8702.c target/arm/s5l8702/ipod6g/audio-ipod6g.c target/arm/s5l8702/ipod6g/adc-ipod6g.c +target/arm/s5l8702/ipod6g/piezo-ipod6g.c #endif #endif diff --git a/firmware/export/config/ipod6g.h b/firmware/export/config/ipod6g.h index 82a402f707..d6300011e4 100644 --- a/firmware/export/config/ipod6g.h +++ b/firmware/export/config/ipod6g.h @@ -204,6 +204,8 @@ /* and doesn't handle them in the drive firmware */ //#define MAX_PHYS_SECTOR_SIZE 4096 +#define HAVE_HARDWARE_CLICK + /* Define this if you have adjustable CPU frequency */ //#define HAVE_ADJUSTABLE_CPU_FREQ diff --git a/firmware/target/arm/s5l8702/ipod6g/piezo-ipod6g.c b/firmware/target/arm/s5l8702/ipod6g/piezo-ipod6g.c new file mode 100644 index 0000000000..6a50ffc43c --- /dev/null +++ b/firmware/target/arm/s5l8702/ipod6g/piezo-ipod6g.c @@ -0,0 +1,95 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2006-2007 Robert Keevil + * + * 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; either version 2 + * of the License, or (at your option) any later version. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ + +#include "system.h" +#include "kernel.h" +#include "piezo.h" + +static unsigned int duration; +static bool beeping; + +void INT_TIMERA(void) +{ + /* clear interrupt */ + TACON = TACON; + if (!(--duration)) + { + beeping = 0; + TACMD = (1 << 1); /* TA_CLR */ + } +} + +static void piezo_start(unsigned short cycles, unsigned short periods) +{ +#ifndef SIMULATOR + duration = periods; + beeping = 1; + /* configure timer for 100 kHz */ + TACMD = (1 << 1); /* TA_CLR */ + TAPRE = 30 - 1; /* prescaler */ /* 12 MHz / 4 / 30 = 100 kHz */ + TACON = (1 << 13) | /* TA_INT1_EN */ + (0 << 12) | /* TA_INT0_EN */ + (0 << 11) | /* TA_START */ + (1 << 8) | /* TA_CS = PCLK / 4 */ + (1 << 6) | /* UNKNOWN bit */ /* external 12 MHz clock ??? */ + (1 << 4); /* TA_MODE_SEL = PWM mode */ + TADATA0 = cycles; /* set interval period */ + TADATA1 = cycles << 1; /* set interval period */ + TACMD = (1 << 0); /* TA_EN */ +#endif +} + +void piezo_stop(void) +{ +#ifndef SIMULATOR + TACMD = (1 << 1); /* TA_CLR */ +#endif +} + +void piezo_clear(void) +{ + piezo_stop(); +} + +bool piezo_busy(void) +{ + return beeping; +} + +void piezo_init(void) +{ + beeping = 0; +} + +void piezo_button_beep(bool beep, bool force) +{ + if (force) + while (beeping) + yield(); + + if (!beeping) + { + if (beep) + piezo_start(22, 457); + else + piezo_start(40, 4); + } +} diff --git a/firmware/target/arm/s5l8702/ipod6g/piezo.h b/firmware/target/arm/s5l8702/ipod6g/piezo.h new file mode 100644 index 0000000000..987d4ffdda --- /dev/null +++ b/firmware/target/arm/s5l8702/ipod6g/piezo.h @@ -0,0 +1,26 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2006-2007 Robert Keevil + * + * 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; either version 2 + * of the License, or (at your option) any later version. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ + +void piezo_init(void); +void piezo_stop(void); +void piezo_clear(void); +bool piezo_busy(void); +void piezo_button_beep(bool beep, bool force); -- cgit v1.2.3