diff options
Diffstat (limited to 'c/src/lib/libbsp/arm/nds/sound/sound.c')
| -rw-r--r-- | c/src/lib/libbsp/arm/nds/sound/sound.c | 223 |
1 files changed, 0 insertions, 223 deletions
diff --git a/c/src/lib/libbsp/arm/nds/sound/sound.c b/c/src/lib/libbsp/arm/nds/sound/sound.c deleted file mode 100644 index 57fce47bb3..0000000000 --- a/c/src/lib/libbsp/arm/nds/sound/sound.c +++ /dev/null @@ -1,223 +0,0 @@ -/* - * RTEMS for Nintendo DS sound driver. - * - * Copyright (c) 2008 by Matthieu Bucchianeri <mbucchia@gmail.com> - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * - * http://www.rtems.org/license/LICENSE - */ - -#include <stdlib.h> -#include <stdio.h> -#include <errno.h> -#include <sys/types.h> - -#include <bsp.h> -#include <rtems/irq.h> -#include <rtems/libio.h> -#include <nds.h> - -#include "sound.h" -#include "../include/my_ipc.h" - -/* - * default values. - */ - -static int volume = 64; -static int pan = 64; -static int freq = 11025; -static int format = 0; // 0 is 8 bits and 1 is 16 bits -static int offset = 0; - -/* - * sound device driver initialize entry point. - */ - -rtems_device_driver -sound_initialize (rtems_device_major_number major, - rtems_device_minor_number minor, void *arg) -{ - rtems_status_code status; - - printk ("[+] sound started\n"); - - /* register the devices */ - status = rtems_io_register_name ("/dev/pcm", major, 0); - if (status != RTEMS_SUCCESSFUL) { - printk ("[!] error registering sound\n"); - rtems_fatal_error_occurred (status); - } - - /* reset IPCs structs */ - IPC->soundData = NULL; - memset ((void *)my_IPC, 0, sizeof (*my_IPC)); - DC_FlushAll (); - - return RTEMS_SUCCESSFUL; -} - -/* - * sound device driver open operation. - */ - -rtems_device_driver -sound_open (rtems_device_major_number major, - rtems_device_minor_number minor, void *arg) -{ - return RTEMS_SUCCESSFUL; -} - -/* - * sound device driver close operation. - */ - -rtems_device_driver -sound_close (rtems_device_major_number major, - rtems_device_minor_number minor, void *arg) -{ - return RTEMS_SUCCESSFUL; -} - -/* - * sound device driver read operation. read data from recorded microphone - * samples. - */ - -rtems_device_driver -sound_read (rtems_device_major_number major, - rtems_device_minor_number minor, void *arg) -{ - rtems_libio_rw_args_t *rw_args = (rtems_libio_rw_args_t *) arg; - - /* check end of file */ - if (offset >= my_IPC->recorded_length) { - rw_args->bytes_moved = 0; - - return RTEMS_SUCCESSFUL; - } - - /* read buffer */ - memcpy ((void *)rw_args->buffer, (void *)my_IPC->record_buffer + offset, rw_args->count); - offset += rw_args->count; - rw_args->bytes_moved = rw_args->count; - return RTEMS_SUCCESSFUL; -} - -/* - * sound device driver write operation. read a pcm sound. - */ - -rtems_device_driver -sound_write (rtems_device_major_number major, - rtems_device_minor_number minor, void *arg) -{ - rtems_libio_rw_args_t *rw_args = (rtems_libio_rw_args_t *) arg; - static TransferSound snd; - - /* XXX not exclusive */ - while (IPC->soundData != NULL); - - snd.count = 1; - snd.data[0].data = rw_args->buffer; - snd.data[0].len = rw_args->count; - snd.data[0].rate = freq; - snd.data[0].vol = volume; - snd.data[0].pan = pan; - snd.data[0].format = format; - - IPC->soundData = &snd; - DC_FlushAll (); - - rw_args->bytes_moved = rw_args->count; - return RTEMS_SUCCESSFUL; -} - -/* - * ioctl entry point. - */ - -rtems_device_driver -sound_control (rtems_device_major_number major, - rtems_device_minor_number minor, void *arg) -{ - rtems_libio_ioctl_args_t *args = arg; - uint32_t *val = (uint32_t *) args->buffer; - - switch (args->command) { - /* sound volume management */ - case SOUND_SVOL: - volume = *val; - break; - case SOUND_GVOL: - *val = volume; - break; - /* sound format settings */ - case SOUND_SFMT: - switch (*val & SOUND_FREQ_MASK) { - case SOUND_FREQ_11025: - freq = 11025; - break; - case SOUND_FREQ_22050: - freq = 22050; - break; - case SOUND_FREQ_44100: - freq = 44100; - break; - case SOUND_FREQ_RECORD: - freq = 16384; - break; - } - format = (*val & SOUND_FORMAT_16) ? 1 : 0; - printk ("[+] pcm %d bits @ %d hz\n", format ? 16 : 8, freq); - break; - case SOUND_GFMT: - if (freq == 11025) { - *val = SOUND_FREQ_11025; - } else if (freq == 22050) { - *val = SOUND_FREQ_22050; - } else if (freq == 44100) { - *val = SOUND_FREQ_44100; - } else if (freq == 16384) { - *val = SOUND_FREQ_RECORD; - } - *val |= format ? SOUND_FORMAT_16 : SOUND_FORMAT_8; - break; - /* sound pan settings */ - case SOUND_SPAN: - pan = *val; - break; - case SOUND_GPAN: - *val = pan; - break; - /* set recording buffer length */ - case SOUND_SRECLEN: - my_IPC->record_buffer = malloc (*val); - my_IPC->record_length_max = *val; - printk ("[+] mic buffer %u B @ %p\n", my_IPC->record_length_max, - my_IPC->record_buffer); - break; - /* start recording */ - case SOUND_STARTREC: - my_IPC->recorded_length = 0; - my_IPC->record = 1; - break; - /* stop recording */ - case SOUND_STOPREC: - if (!my_IPC->record) { - printk ("[!] STOPREC while not recording\n"); - } - my_IPC->record = 0; - while (my_IPC->recorded_length == 0); - offset = 0; - if (val != NULL) { - *val = my_IPC->recorded_length; - } - break; - default: - break; - } - return RTEMS_SUCCESSFUL; -} |