Index: apps/action.c =================================================================== --- apps/action.c (revision 25279) +++ apps/action.c (working copy) @@ -39,6 +39,10 @@ #endif #include "viewport.h" +#ifdef HAVE_HARDWARE_CLICK +#include "piezo.h" +#endif + static int last_button = BUTTON_NONE|BUTTON_REL; /* allow the ipod wheel to work on startup */ static intptr_t last_data = 0; @@ -196,10 +200,48 @@ #if CONFIG_CODEC == SWCODEC /* Produce keyclick */ +#ifdef HAVE_HARDWARE_CLICK + if ((global_settings.keyclick || global_settings.keyclick_hardware) + && !(button & BUTTON_REL)) +#else if (global_settings.keyclick && !(button & BUTTON_REL)) +#endif + { +#ifdef HAVE_SCROLLWHEEL + if (!(button & BUTTON_REPEAT) || global_settings.keyclick_repeats + || (button & (BUTTON_SCROLL_FWD | BUTTON_SCROLL_BACK))) + { + switch (context) + { + case CONTEXT_WPS: + /* Reduce volume clicks by clickwheel to every 8dB */ + if (button & BUTTON_SCROLL_FWD) + if ((global_settings.volume+1) % 8 != 0) + break; + if (button & BUTTON_SCROLL_BACK) + if ((global_settings.volume-1) % 8 != 0) + break; + action_do_keyclick(); + break; + case CONTEXT_MAINMENU: + case CONTEXT_LIST: + case CONTEXT_TREE: + /* Don't make clickwheel click here - look in gui list handling */ + if (button & (BUTTON_SCROLL_FWD | BUTTON_SCROLL_BACK)) + break; + default: + action_do_keyclick(); + break; + } + } +#else if (!(button & BUTTON_REPEAT) || global_settings.keyclick_repeats) - pcmbuf_beep(4000, KEYCLICK_DURATION, 2500*global_settings.keyclick); + { + action_do_keyclick(); + } #endif + } +#endif if ((context != last_context) && ((last_button & BUTTON_REL) == 0)) { @@ -427,4 +469,15 @@ { wait_for_release = true; } - + +#if CONFIG_CODEC == SWCODEC +void action_do_keyclick(void) +{ + if (global_settings.keyclick) + pcmbuf_beep(4000, KEYCLICK_DURATION, 2500*global_settings.keyclick); +#ifdef HAVE_HARDWARE_CLICK + if (global_settings.keyclick_hardware) + piezo_button_beep(false, false); +#endif +} +#endif Index: apps/action.h =================================================================== --- apps/action.h (revision 25279) +++ apps/action.h (working copy) @@ -378,4 +378,8 @@ */ void action_wait_for_release(void); +#if CONFIG_CODEC == SWCODEC +void action_do_keyclick(void); +#endif + #endif /* __ACTION_H__ */ Index: apps/features.txt =================================================================== --- apps/features.txt (revision 25279) +++ apps/features.txt (working copy) @@ -236,3 +236,7 @@ #if (PLUGIN_BUFFER_SIZE >= 0x80000) large_plugin_buffer #endif + +#if defined(HAVE_HARDWARE_CLICK) +hardware_click +#endif Index: apps/gui/list.c =================================================================== --- apps/gui/list.c (revision 25279) +++ apps/gui/list.c (working copy) @@ -41,6 +41,13 @@ #include "appevents.h" #include "statusbar-skinned.h" +#if CONFIG_CODEC == SWCODEC +#include "pcmbuf.h" +#ifdef HAVE_HARDWARE_CLICK +#include "piezo.h" +#endif +#endif + /* The minimum number of pending button events in queue before starting * to limit list drawing interval. */ @@ -319,11 +326,27 @@ if (new_selection >= gui_list->nb_items) { +#if CONFIG_CODEC == SWCODEC +#ifdef HAVE_HARDWARE_CLICK + if (!gui_list->limit_scroll) + { + action_do_keyclick(); + } +#endif +#endif gui_list->selected_item = gui_list->limit_scroll ? gui_list->nb_items - gui_list->selected_size : 0; } else if (new_selection < 0) { +#if CONFIG_CODEC == SWCODEC +#ifdef HAVE_HARDWARE_CLICK + if (!gui_list->limit_scroll) + { + action_do_keyclick(); + } +#endif +#endif gui_list->selected_item = gui_list->limit_scroll ? 0 : gui_list->nb_items - gui_list->selected_size; } @@ -349,7 +372,15 @@ } return; } - else gui_list->selected_item += offset; + else + { +#if CONFIG_CODEC == SWCODEC +#ifdef HAVE_HARDWARE_CLICK + action_do_keyclick(); +#endif +#endif + gui_list->selected_item += offset; + } gui_synclist_select_item(gui_list, gui_list->selected_item); } Index: apps/lang/english.lang =================================================================== --- apps/lang/english.lang (revision 25279) +++ apps/lang/english.lang (working copy) @@ -13394,3 +13394,37 @@ lineout_poweroff: "Line Out" + + id: LANG_KEYCLICK_SOFTWARE + desc: in keyclick settings menu + user: core + + *: none + hardware_click: "Headphone Keyclick" + + + *: none + hardware_click: "Headphone Keyclick" + + + *: none + hardware_click: "Headphone Keyclick" + + + + id: LANG_KEYCLICK_HARDWARE + desc: in keyclick settings menu + user: core + + *: none + hardware_click: "Speaker Keyclick" + + + *: none + hardware_click: "Speaker Keyclick" + + + *: none + hardware_click: "Speaker Keyclick" + + Index: apps/main.c =================================================================== --- apps/main.c (revision 25279) +++ apps/main.c (working copy) @@ -113,6 +113,10 @@ #include "m5636.h" #endif +#ifdef HAVE_HARDWARE_CLICK +#include "piezo.h" +#endif + #ifdef SIMULATOR #include "sim_tasks.h" #include "system-sdl.h" @@ -243,6 +247,9 @@ (void)preinit; return 0; #endif +#ifdef HAVE_HARDWARE_CLICK + piezo_init(); +#endif } #ifdef HAVE_TAGCACHE Index: apps/menus/settings_menu.c =================================================================== --- apps/menus/settings_menu.c (revision 25279) +++ apps/menus/settings_menu.c (working copy) @@ -220,9 +220,15 @@ #if CONFIG_CODEC == SWCODEC MENUITEM_SETTING(keyclick, &global_settings.keyclick, NULL); MENUITEM_SETTING(keyclick_repeats, &global_settings.keyclick_repeats, NULL); +#ifdef HAVE_HARDWARE_CLICK +MENUITEM_SETTING(keyclick_hardware, &global_settings.keyclick_hardware, NULL); MAKE_MENU(keyclick_menu, ID2P(LANG_KEYCLICK), 0, Icon_NOICON, + &keyclick, &keyclick_hardware, &keyclick_repeats); +#else +MAKE_MENU(keyclick_menu, ID2P(LANG_KEYCLICK), 0, Icon_NOICON, &keyclick, &keyclick_repeats); #endif +#endif #if CONFIG_CODEC == MAS3507D Index: apps/settings.h =================================================================== --- apps/settings.h (revision 25279) +++ apps/settings.h (working copy) @@ -816,6 +816,12 @@ bool morse_input; /* text input method setting */ #endif +#ifdef HAVE_HARDWARE_CLICK +#if CONFIG_CODEC == SWCODEC + bool keyclick_hardware; /* hardware piezo keyclick */ +#endif +#endif + }; /** global variables **/ Index: apps/settings_list.c =================================================================== --- apps/settings_list.c (revision 25279) +++ apps/settings_list.c (working copy) @@ -1572,12 +1572,23 @@ #endif /* HAVE_WHEEL_ACCELERATION */ #if CONFIG_CODEC == SWCODEC /* keyclick */ +#ifdef HAVE_HARDWARE_CLICK + CHOICE_SETTING(0, keyclick, LANG_KEYCLICK_SOFTWARE, 0, + "keyclick", "off,weak,moderate,strong", NULL, 4, + ID2P(LANG_OFF), ID2P(LANG_WEAK), ID2P(LANG_MODERATE), + ID2P(LANG_STRONG)), + OFFON_SETTING(0, keyclick_repeats, LANG_KEYCLICK_REPEATS, false, + "keyclick repeats", NULL), + OFFON_SETTING(0, keyclick_hardware, LANG_KEYCLICK_HARDWARE, false, + "hardware keyclick", NULL), +#else CHOICE_SETTING(0, keyclick, LANG_KEYCLICK, 0, "keyclick", "off,weak,moderate,strong", NULL, 4, ID2P(LANG_OFF), ID2P(LANG_WEAK), ID2P(LANG_MODERATE), ID2P(LANG_STRONG)), OFFON_SETTING(0, keyclick_repeats, LANG_KEYCLICK_REPEATS, false, "keyclick repeats", NULL), +#endif #endif /* CONFIG_CODEC == SWCODEC */ TEXT_SETTING(0, playlist_catalog_dir, "playlist catalog directory", PLAYLIST_CATALOG_DEFAULT_DIR, NULL, NULL), Index: firmware/export/config/ipod4g.h =================================================================== --- firmware/export/config/ipod4g.h (revision 25279) +++ firmware/export/config/ipod4g.h (working copy) @@ -196,6 +196,8 @@ /* Define this if you can read an absolute wheel position */ #define HAVE_WHEEL_POSITION +#define HAVE_HARDWARE_CLICK + #define BOOTFILE_EXT "ipod" #define BOOTFILE "rockbox." BOOTFILE_EXT #define BOOTDIR "/.rockbox" Index: firmware/export/config/ipodcolor.h =================================================================== --- firmware/export/config/ipodcolor.h (revision 25279) +++ firmware/export/config/ipodcolor.h (working copy) @@ -180,6 +180,8 @@ /* Define this if you can read an absolute wheel position */ #define HAVE_WHEEL_POSITION +#define HAVE_HARDWARE_CLICK + #define BOOTFILE_EXT "ipod" #define BOOTFILE "rockbox." BOOTFILE_EXT #define BOOTDIR "/.rockbox" Index: firmware/export/config/ipodmini1g.h =================================================================== --- firmware/export/config/ipodmini1g.h (revision 25279) +++ firmware/export/config/ipodmini1g.h (working copy) @@ -185,6 +185,8 @@ /* Define this if you have adjustable CPU frequency */ #define HAVE_ADJUSTABLE_CPU_FREQ +#define HAVE_HARDWARE_CLICK + #define BOOTFILE_EXT "ipod" #define BOOTFILE "rockbox." BOOTFILE_EXT #define BOOTDIR "/.rockbox" Index: firmware/export/config/ipodmini2g.h =================================================================== --- firmware/export/config/ipodmini2g.h (revision 25279) +++ firmware/export/config/ipodmini2g.h (working copy) @@ -195,6 +195,8 @@ /* Define this if you can read an absolute wheel position */ #define HAVE_WHEEL_POSITION +#define HAVE_HARDWARE_CLICK + #define BOOTFILE_EXT "ipod" #define BOOTFILE "rockbox." BOOTFILE_EXT #define BOOTDIR "/.rockbox" Index: firmware/export/config/ipodnano1g.h =================================================================== --- firmware/export/config/ipodnano1g.h (revision 25279) +++ firmware/export/config/ipodnano1g.h (working copy) @@ -183,6 +183,8 @@ /* Define this if you can read an absolute wheel position */ #define HAVE_WHEEL_POSITION +#define HAVE_HARDWARE_CLICK + #define BOOTFILE_EXT "ipod" #define BOOTFILE "rockbox." BOOTFILE_EXT #define BOOTDIR "/.rockbox" Index: firmware/export/config/ipodnano2g.h =================================================================== --- firmware/export/config/ipodnano2g.h (revision 25279) +++ firmware/export/config/ipodnano2g.h (working copy) @@ -177,6 +177,8 @@ /* Define this if you can read an absolute wheel position */ #define HAVE_WHEEL_POSITION +#define HAVE_HARDWARE_CLICK + /* Define this if you have adjustable CPU frequency */ #define HAVE_ADJUSTABLE_CPU_FREQ Index: firmware/export/config/ipodvideo.h =================================================================== --- firmware/export/config/ipodvideo.h (revision 25279) +++ firmware/export/config/ipodvideo.h (working copy) @@ -210,6 +210,8 @@ /* Define this if you can read an absolute wheel position */ #define HAVE_WHEEL_POSITION +#define HAVE_HARDWARE_CLICK + /* define this if the device has larger sectors when accessed via USB */ /* (only relevant in disk.c, fat.c now always supports large virtual sectors) */ #define MAX_LOG_SECTOR_SIZE 2048 Index: firmware/export/thread.h =================================================================== --- firmware/export/thread.h (revision 25279) +++ firmware/export/thread.h (working copy) @@ -61,10 +61,18 @@ #if CONFIG_CODEC == SWCODEC #ifdef HAVE_RECORDING +#ifdef HAVE_HARDWARE_CLICK +#define BASETHREADS 18 +#else #define BASETHREADS 17 +#endif #else +#ifdef HAVE_HARDWARE_CLICK +#define BASETHREADS 17 +#else #define BASETHREADS 16 #endif +#endif #else #define BASETHREADS 11 Index: firmware/SOURCES =================================================================== --- firmware/SOURCES (revision 25279) +++ firmware/SOURCES (working copy) @@ -1000,6 +1000,7 @@ target/arm/ipod/adc-ipod-pcf.c target/arm/ipod/backlight-4g_color.c target/arm/ipod/button-clickwheel.c +target/arm/ipod/piezo.c target/arm/ipod/lcd-as-gray.S target/arm/ipod/lcd-gray.c target/arm/ipod/power-ipod.c @@ -1018,6 +1019,7 @@ target/arm/ipod/adc-ipod-pcf.c target/arm/ipod/backlight-4g_color.c target/arm/ipod/button-clickwheel.c +target/arm/ipod/piezo.c target/arm/ipod/lcd-color_nano.c target/arm/ipod/power-ipod.c target/arm/ipod/powermgmt-ipod-pcf.c @@ -1035,6 +1037,7 @@ target/arm/ipod/adc-ipod-pcf.c target/arm/ipod/backlight-nano_video.c target/arm/ipod/button-clickwheel.c +target/arm/ipod/piezo.c target/arm/ipod/lcd-color_nano.c target/arm/ipod/power-ipod.c target/arm/ipod/powermgmt-ipod-pcf.c @@ -1052,6 +1055,7 @@ target/arm/ipod/adc-ipod-pcf.c target/arm/ipod/backlight-nano_video.c target/arm/ipod/button-clickwheel.c +target/arm/ipod/piezo.c target/arm/ipod/power-ipod.c target/arm/ipod/powermgmt-ipod-pcf.c target/arm/ipod/video/lcd-as-video.S @@ -1103,6 +1107,7 @@ target/arm/ipod/adc-ipod-pcf.c target/arm/ipod/backlight-mini1g_mini2g.c target/arm/ipod/button-mini1g.c +target/arm/ipod/piezo.c target/arm/ipod/lcd-as-gray.S target/arm/ipod/lcd-gray.c target/arm/ipod/power-ipod.c @@ -1121,6 +1126,7 @@ target/arm/ipod/adc-ipod-pcf.c target/arm/ipod/backlight-mini1g_mini2g.c target/arm/ipod/button-clickwheel.c +target/arm/ipod/piezo.c target/arm/ipod/lcd-as-gray.S target/arm/ipod/lcd-gray.c target/arm/ipod/power-ipod.c @@ -1443,6 +1449,7 @@ target/arm/s5l8700/wmcodec-s5l8700.c target/arm/s5l8700/ipodnano2g/audio-nano2g.c target/arm/s5l8700/ipodnano2g/adc-nano2g.c +target/arm/s5l8700/ipodnano2g/piezo-nano2g.c #endif #endif #endif Index: firmware/target/arm/ipod/piezo.c =================================================================== --- firmware/target/arm/ipod/piezo.c (revision 0) +++ firmware/target/arm/ipod/piezo.c (revision 0) @@ -0,0 +1,209 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2006-2007 Robert Keevil + * + * All files in this archive are subject to the GNU General Public License. + * See the file COPYING in the source tree root for full license agreement. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ + +#include "thread.h" +#include "system.h" +#include "kernel.h" +#include "usb.h" +#include "logf.h" +#include "piezo.h" + +static long piezo_stack[DEFAULT_STACK_SIZE/sizeof(long)]; +static const char piezo_thread_name[] = "piezo"; +static struct event_queue piezo_queue; +static unsigned int duration; +static bool beeping; + +enum { + Q_PIEZO_BEEP = 1, + Q_PIEZO_BEEP_FOR_TICK, + Q_PIEZO_BEEP_FOR_USEC, + Q_PIEZO_STOP +}; + +static inline void piezo_hw_init(void) +{ +#ifndef SIMULATOR + /*logf("PIEZO: hw_init");*/ + outl(inl(0x70000010) & ~0xc, 0x70000010); + outl(inl(0x6000600c) | 0x20000, 0x6000600c); /* enable device */ +#endif +} + +static void piezo_hw_tick(unsigned int form_and_period) +{ +#ifndef SIMULATOR + outl(0x80000000 | form_and_period, 0x7000a000); /* set pitch */ +#endif +} + +static inline void piezo_hw_stop(void) +{ +#ifndef SIMULATOR + outl(0x0, 0x7000a000); /* piezo off */ +#endif +} + +static void piezo_thread(void) +{ + struct queue_event ev; + long piezo_usec_off; + + while(1) + { + queue_wait(&piezo_queue, &ev); + switch(ev.id) + { + case Q_PIEZO_BEEP: + piezo_hw_tick((unsigned int)ev.data); + beeping = true; + break; + case Q_PIEZO_BEEP_FOR_TICK: + piezo_hw_tick((unsigned int)ev.data); + beeping = true; + sleep(duration); + if (beeping) + piezo_hw_stop(); + beeping = false; + /* remove anything that appeared while sleeping */ + queue_clear(&piezo_queue); + break; + case Q_PIEZO_BEEP_FOR_USEC: + piezo_usec_off = USEC_TIMER + duration; + piezo_hw_tick((unsigned int)ev.data); + beeping = true; + while (TIME_BEFORE(USEC_TIMER, piezo_usec_off)) + if (duration >= 5000) yield(); + if (beeping) + piezo_hw_stop(); + beeping = false; + /* remove anything that appeared while sleeping */ + queue_clear(&piezo_queue); + break; + case Q_PIEZO_STOP: + if (beeping) + piezo_hw_stop(); + beeping = false; + break; +#ifndef SIMULATOR + case SYS_USB_CONNECTED: + /*logf("USB: Piezo core");*/ + piezo_hw_stop(); + queue_clear(&piezo_queue); + usb_acknowledge(SYS_USB_CONNECTED_ACK); + usb_wait_for_disconnect(&piezo_queue); + break ; +#endif + case SYS_TIMEOUT: + break; + } + yield(); + } +} + + +void piezo_play(unsigned short inv_freq, unsigned char form) +{ + queue_post(&piezo_queue, Q_PIEZO_BEEP, + (intptr_t)((unsigned int)form << 16 | inv_freq)); +} + +void piezo_play_for_tick(unsigned short inv_freq, + unsigned char form, unsigned int dur) +{ + duration = dur; + queue_post(&piezo_queue, Q_PIEZO_BEEP_FOR_TICK, + (intptr_t)((unsigned int)form << 16 | inv_freq)); +} + +void piezo_play_for_usec(unsigned short inv_freq, + unsigned char form, unsigned int dur) +{ + duration = dur; + queue_post(&piezo_queue, Q_PIEZO_BEEP_FOR_USEC, + (intptr_t)((unsigned int)form << 16 | inv_freq)); +} + +void piezo_stop(void) +{ + queue_post(&piezo_queue, Q_PIEZO_STOP, 0); +} + +void piezo_clear(void) +{ + queue_clear(&piezo_queue); + piezo_stop(); +} + +bool piezo_busy(void) +{ + return !queue_empty(&piezo_queue); +} + +/* conversion factor based on the following data + + period Hz + 10 8547 + 20 4465 + 30 3024 + 40 2286 + 50 1846 + 60 1537 + 70 1320 + 80 1165 + 90 1030 + 100 928 + + someone with better recording/analysing equipment should be able + to get more accurate figures +*/ +unsigned int piezo_hz(unsigned int hz) +{ + if (hz > 0) + return 91225/hz; + else + return 0; +} + +void piezo_init(void) +{ + /*logf("PIEZO: init");*/ + piezo_hw_init(); + queue_init(&piezo_queue, true); + create_thread(piezo_thread, piezo_stack, sizeof(piezo_stack), 0, + piezo_thread_name IF_PRIO(, PRIORITY_REALTIME) + IF_COP(, CPU)); +} + +void piezo_button_beep(bool beep, bool force) +{ + /* old on clickwheel action - piezo_play_for_usec(50, 0x80, 400); + old on button action - piezo_play_for_usec(50, 0x80, 3000); */ + + if (force) + piezo_clear(); + + if (queue_empty(&piezo_queue)) + { + if (beep) + piezo_play_for_tick(40, 0x80, HZ/5); + else + piezo_play_for_usec(91, 0x80, 4000); + } +} Index: firmware/target/arm/ipod/piezo.h =================================================================== --- firmware/target/arm/ipod/piezo.h (revision 0) +++ firmware/target/arm/ipod/piezo.h (revision 0) @@ -0,0 +1,30 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2006-2007 Robert Keevil + * + * All files in this archive are subject to the GNU General Public License. + * See the file COPYING in the source tree root for full license agreement. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ + +void piezo_init(void); +void piezo_play(unsigned short inv_freq, unsigned char form); +void piezo_play_for_tick(unsigned short inv_freq, + unsigned char form, unsigned int dur); +void piezo_play_for_usec(unsigned short inv_freq, + unsigned char form, unsigned int dur); +void piezo_stop(void); +void piezo_clear(void); +bool piezo_busy(void); +unsigned int piezo_hz(unsigned int hz); +void piezo_button_beep(bool beep, bool force); Index: firmware/target/arm/s5l8700/ipodnano2g/piezo-nano2g.c =================================================================== --- firmware/target/arm/s5l8700/ipodnano2g/piezo-nano2g.c (revision 0) +++ firmware/target/arm/s5l8700/ipodnano2g/piezo-nano2g.c (revision 0) @@ -0,0 +1,95 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2006-2007 Robert Keevil + * + * All files in this archive are subject to the GNU General Public License. + * See the file COPYING in the source tree root for full license agreement. + * + * 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_TIMERD(void) +{ + /* clear interrupt */ + TDCON = TDCON; + if (!(--duration)) + { + beeping = 0; + TDCMD = (1 << 1); /* TD_CLR */ + } +} + +void piezo_start(unsigned short cycles, unsigned short periods) +{ +#ifndef SIMULATOR + duration = periods; + beeping = 1; + /* configure timer for 100 kHz */ + TDCMD = (1 << 1); /* TD_CLR */ + TDPRE = 30 - 1; /* prescaler */ + TDCON = (1 << 13) | /* TD_INT1_EN */ + (0 << 12) | /* TD_INT0_EN */ + (0 << 11) | /* TD_START */ + (2 << 8) | /* TD_CS = PCLK / 16 */ + (1 << 4); /* TD_MODE_SEL = PWM mode */ + TDDATA0 = cycles; /* set interval period */ + TDDATA1 = cycles << 1; /* set interval period */ + TDCMD = (1 << 0); /* TD_EN */ + + /* enable timer interrupt */ + INTMSK |= INTMSK_TIMERD; +#endif +} + +void piezo_stop(void) +{ +#ifndef SIMULATOR + TDCMD = (1 << 1); /* TD_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); + } +} Index: firmware/target/arm/s5l8700/ipodnano2g/piezo.h =================================================================== --- firmware/target/arm/s5l8700/ipodnano2g/piezo.h (revision 0) +++ firmware/target/arm/s5l8700/ipodnano2g/piezo.h (revision 0) @@ -0,0 +1,24 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2006-2007 Robert Keevil + * + * All files in this archive are subject to the GNU General Public License. + * See the file COPYING in the source tree root for full license agreement. + * + * 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);