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changeset 2020:6849865f96eb draft

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add synthesizer project
author Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
date Tue, 15 Jul 2014 17:23:40 +0900
parents 433043c56a0c
children 8130b38b5391
files example/synthesizer/AudioData.h example/synthesizer/Func.h example/synthesizer/Makefile example/synthesizer/Makefile.cell example/synthesizer/Makefile.cuda example/synthesizer/Makefile.def example/synthesizer/Makefile.gpu example/synthesizer/Makefile.linux example/synthesizer/Makefile.macosx example/synthesizer/README example/synthesizer/main.cc example/synthesizer/ppe/OSC.cc example/synthesizer/ppe/OSC.h example/synthesizer/spe/Exec.cc example/synthesizer/spe/Exec.h example/synthesizer/spe/Makefile example/synthesizer/task_init.cc
diffstat 17 files changed, 597 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/example/synthesizer/AudioData.h	Tue Jul 15 17:23:40 2014 +0900
@@ -0,0 +1,16 @@
+#include <SDL_audio.h>
+typedef struct audioData {
+    struct audioData *self;
+    int volume;
+    double Frequency;
+    char *waveform_name;
+
+    int freq;
+    Uint16 format;
+    Uint8 channels;
+    Uint8 silence;
+    Uint16 samples;
+    Uint32 size;
+    //void (*callback)(void *userdata, Uint8 *stream, int len);
+    void *userdata;
+} AudioData, *AudioDataPtr;
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/example/synthesizer/Func.h	Tue Jul 15 17:23:40 2014 +0900
@@ -0,0 +1,9 @@
+enum {
+#include "SysTasks.h"
+    OSC_TASK,
+};
+
+#define DATA_NUM 16
+#define ADD_NUM 26
+
+#define DATA_ID 0
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/example/synthesizer/Makefile	Tue Jul 15 17:23:40 2014 +0900
@@ -0,0 +1,40 @@
+default: macosx
+
+macosx: FORCE
+	@echo "Make for Mac OS X"
+	@$(MAKE) -f Makefile.macosx
+
+linux: FORCE
+	@echo "Make for Linux"
+	@$(MAKE) -f Makefile.linux
+
+cell: FORCE
+	@echo "Make for CELL (Cell)"
+	@$(MAKE) -f Makefile.cell
+
+gpu: FORCE
+	@echo "Make for OpenCL"
+	@$(MAKE) -f Makefile.gpu
+
+cuda: FORCE
+	@echo "Make for Cuda"
+	@$(MAKE) -f Makefile.cuda
+
+test:
+	./word_count -file c.txt
+
+parallel-test: macosx
+	@$(MAKE) -f Makefile.macosx test
+
+gpu-test: FORCE
+	@echo "Make for OpenCL"
+	@$(MAKE) -f Makefile.gpu test
+
+
+FORCE:
+
+clean:
+	@$(MAKE) -f Makefile.macosx clean
+	@$(MAKE) -f Makefile.linux clean
+	@$(MAKE) -f Makefile.cell clean
+	@$(MAKE) -f Makefile.cuda clean
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/example/synthesizer/Makefile.cell	Tue Jul 15 17:23:40 2014 +0900
@@ -0,0 +1,39 @@
+include ./Makefile.def
+
+SRCS_TMP = $(wildcard *.cc)
+SRCS_EXCLUDE =  # 除外するファイルを書く
+SRCS = $(filter-out $(SRCS_EXCLUDE),$(SRCS_TMP))
+OBJS = $(SRCS:.cc=.o)
+
+TASK_DIR  = ppe
+TASK_SRCS_TMP = $(wildcard $(TASK_DIR)/*.cc)
+TASK_SRCS_EXCLUDE = 
+TASK_SRCS = $(filter-out $(TASK_DIR)/$(TASK_SRCS_EXCLUDE),$(TASK_SRCS_TMP))
+TASK_OBJS = $(TASK_SRCS:.cc=.o)
+
+LIBS += -lCellManager -lspe2 -lpthread -Wl,--gc-sections 
+
+.SUFFIXES: .cc .o
+
+.cc.o:
+	$(CC) $(CFLAGS) $(INCLUDE) -c $< -o $@
+
+all: $(TARGET) speobject
+
+$(TARGET): $(OBJS) $(TASK_OBJS)
+	$(CC) -o $@ $(OBJS) $(TASK_OBJS) $(LIBS)
+
+speobject:
+	cd spe; $(MAKE)
+
+link:
+	$(CC) -o $(TARGET) $(OBJS) $(TASK_OBJS) $(LIBS)
+
+debug: $(TARGET)
+	sudo ppu-gdb ./$(TARGET) 
+
+clean:
+	rm -f $(TARGET) $(OBJS) $(TASK_OBJS)
+	rm -f *~ \#*
+	rm -f ppe/*~ ppe/\#*
+	cd spe; $(MAKE) clean
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/example/synthesizer/Makefile.cuda	Tue Jul 15 17:23:40 2014 +0900
@@ -0,0 +1,51 @@
+include ./Makefile.def
+
+SRCS_TMP = $(wildcard *.cc)
+SRCS_EXCLUDE =  # 除外するファイルを書く
+SRCS = $(filter-out $(SRCS_EXCLUDE),$(SRCS_TMP))
+OBJS = $(SRCS:.cc=.o)
+
+TASK_DIR  = ppe
+CUDA_TASK_DIR = cuda
+
+TASK_SRCS_TMP = $(wildcard $(TASK_DIR)/*.cc)
+TASK_SRCS_EXCLUDE = 
+TASK_SRCS = $(filter-out $(TASK_DIR)/$(TASK_SRCS_EXCLUDE),$(TASK_SRCS_TMP)) $(wildcard $(CUDA_TASK_DIR)/*.cc)
+TASK_OBJS = $(TASK_SRCS:.cc=.o)
+
+CUDA_SRCS_TMP = $(wildcard $(CUDA_TASK_DIR)/*.cu)
+CUDA_SRCS_EXCLUDE = # 除外するファイルを書く
+CUDA_SRCS = $(filter-out $(CUDA_TASK_DIR)/$(CUDA_SRCS_EXCLUDE),$(CUDA_SRCS_TMP))
+CUDA_OBJS = $(CUDA_SRCS:.cu=.ptx)
+
+CFLAGS += -D__CERIUM_CUDA__
+LIBS += `sdl-config --libs` -lCudaManager -F/Library/Frameworks -framework CUDA
+
+INCLUDE += -I$(CUDA_PATH)
+
+NVCC = nvcc
+NVCCFLAGS = -ptx -arch=sm_20
+
+.SUFFIXES: .cc .o .cu .ptx
+
+.cc.o:
+	$(CC) $(CFLAGS) $(INCLUDE) -c $< -o $@
+
+.cu.ptx:
+	$(NVCC) $(NVCCFLAGS) $< -o $@
+
+all: $(TARGET) $(CUDA_OBJS)
+
+$(TARGET): $(OBJS) $(TASK_OBJS) $(CUDA_OBJS)
+	$(CC) -o $@ $(OBJS) $(TASK_OBJS) $(LIBS)
+
+link:
+	$(CC) -o $(TARGET) $(OBJS) $(TASK_OBJS) $(LIBS)
+
+debug: $(TARGET)
+	sudo ppu-gdb ./$(TARGET) 
+
+clean:
+	rm -f $(TARGET) $(OBJS) $(TASK_OBJS) $(CUDA_OBJS)
+	rm -f *~ \#*
+	rm -f cuda/*~ cuda/\#*
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/example/synthesizer/Makefile.def	Tue Jul 15 17:23:40 2014 +0900
@@ -0,0 +1,18 @@
+TARGET = synthesizer
+
+# include/library path
+# ex  macosx
+#CERIUM = /Users/gongo/Source/Cerium
+ABIBIT=64
+
+# ex  linux/ps3
+CERIUM = ../../../Cerium
+
+
+OPT =  -g -O0
+
+CC      = clang++
+CFLAGS = -Wall `sdl-config --cflags` -m$(ABIBIT)   $(OPT) #-DDEBUG
+
+INCLUDE = -I${CERIUM}/include/TaskManager -I. -I..
+LIBS = -L${CERIUM}/TaskManager
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/example/synthesizer/Makefile.gpu	Tue Jul 15 17:23:40 2014 +0900
@@ -0,0 +1,62 @@
+include ./Makefile.def
+
+SRCS_TMP = $(wildcard *.cc)
+SRCS_EXCLUDE = # 除外するファイルを書く
+SRCS = $(filter-out $(SRCS_EXCLUDE),$(SRCS_TMP))
+OBJS = $(SRCS:.cc=.o)
+
+TASK_DIR1  = ppe
+TASK_DIR2  = gpu
+TASK_SRCS_TMP = $(wildcard $(TASK_DIR2)/*.cc $(TASK_DIR1)/*.cc)
+TASK_SRCS_EXCLUDE = # Exec.cc
+TASK_SRCS = $(filter-out $(TASK_DIR1)/$(TASK_SRCS_EXCLUDE),$(TASK_SRCS_TMP))
+TASK_OBJS = $(TASK_SRCS:.cc=.o)
+
+CC += $(ABI)
+CFLAGS  += -D__CERIUM_GPU__
+
+INCLUDE = -I${CERIUM}/include/TaskManager -I. -I..
+LIBS = -L${CERIUM}/TaskManager -DUSE_SIMPLE_TASK -lGpuManager -framework opencl `sdl-config --libs`
+
+.SUFFIXES: .cc .o
+
+.cc.o:
+	$(CC) $(CFLAGS) $(INCLUDE) -c $< -o $@
+
+all: $(TARGET)
+
+$(TARGET): $(OBJS) $(TASK_OBJS)
+	$(CC) -o $@ $(OBJS) $(TASK_OBJS) $(LIBS)
+
+link:
+	$(CC) -o $(TARGET) $(OBJS) $(TASK_OBJS) $(LIBS)
+
+debug: $(TARGET)
+	sudo lldb -- ./$(TARGET) -file c.txt -gpu -g
+
+test :
+	./$(TARGET) -file c.txt -gpu -g
+
+clean:
+	rm -f $(TARGET) $(OBJS) $(TASK_OBJS)
+	rm -f *~ \#*
+	rm -f ppe/*~ ppe/\#*
+	rm -f spe/*~ spe/\#*
+	rm -f gpu/*~ gpu/\#*
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/example/synthesizer/Makefile.linux	Tue Jul 15 17:23:40 2014 +0900
@@ -0,0 +1,36 @@
+include ./Makefile.def
+
+SRCS_TMP = $(wildcard *.cc)
+SRCS_EXCLUDE =  # 除外するファイルを書く
+SRCS = $(filter-out $(SRCS_EXCLUDE),$(SRCS_TMP))
+OBJS = $(SRCS:.cc=.o)
+
+TASK_DIR  = ppe
+TASK_SRCS_TMP = $(wildcard $(TASK_DIR)/*.cc)
+TASK_SRCS_EXCLUDE = 
+TASK_SRCS = $(filter-out $(TASK_DIR)/$(TASK_SRCS_EXCLUDE),$(TASK_SRCS_TMP))
+TASK_OBJS = $(TASK_SRCS:.cc=.o)
+
+LIBS += -lFifoManager -lrt
+
+.SUFFIXES: .cc .o
+
+.cc.o:
+	$(CC) $(CFLAGS) $(INCLUDE) -c $< -o $@
+
+all: $(TARGET)
+
+$(TARGET): $(OBJS) $(TASK_OBJS)
+	$(CC) -o $@ $(OBJS) $(TASK_OBJS) $(LIBS)
+
+link:
+	$(CC) -o $(TARGET) $(OBJS) $(TASK_OBJS) $(LIBS)
+
+debug: $(TARGET)
+	sudo gdb ./$(TARGET) 
+
+clean:
+	rm -f $(TARGET) $(OBJS) $(TASK_OBJS)
+	rm -f *~ \#*
+	rm -f ppe/*~ ppe/\#*
+	rm -f spe/*~ spe/\#*
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/example/synthesizer/Makefile.macosx	Tue Jul 15 17:23:40 2014 +0900
@@ -0,0 +1,41 @@
+include ./Makefile.def
+
+SRCS_TMP = $(wildcard *.cc)
+SRCS_EXCLUDE =  # 除外するファイルを書く
+SRCS = $(filter-out $(SRCS_EXCLUDE),$(SRCS_TMP))
+OBJS = $(SRCS:.cc=.o)
+
+TASK_DIR  = ppe
+TASK_SRCS_TMP = $(wildcard $(TASK_DIR)/*.cc)
+TASK_SRCS_EXCLUDE = 
+TASK_SRCS = $(filter-out $(TASK_DIR)/$(TASK_SRCS_EXCLUDE),$(TASK_SRCS_TMP))
+TASK_OBJS = $(TASK_SRCS:.cc=.o)
+
+LIBS += -lFifoManager `sdl-config --libs`
+CC += -m$(ABIBIT)
+
+.SUFFIXES: .cc .o
+
+.cc.o:
+	$(CC) $(CFLAGS) $(INCLUDE) -c $< -o $@
+
+all: $(TARGET)
+
+$(TARGET): $(OBJS) $(TASK_OBJS)
+	$(CC) -o $@ $(OBJS) $(TASK_OBJS) $(LIBS)
+
+link:
+	$(CC) -o $(TARGET) $(OBJS) $(TASK_OBJS) $(LIBS)
+
+debug: $(TARGET)
+	sudo gdb ./$(TARGET) 
+
+test:
+	./$(TARGET) -file c.txt -cpu 1
+	./$(TARGET) -file c.txt -cpu 4
+	./$(TARGET) -file c.txt -cpu 4 -i
+clean:
+	rm -f $(TARGET) $(OBJS) $(TASK_OBJS)
+	rm -f *~ \#*
+	rm -f ppe/*~ ppe/\#*
+	rm -f spe/*~ spe/\#*
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/example/synthesizer/README	Tue Jul 15 17:23:40 2014 +0900
@@ -0,0 +1,19 @@
+
+word count
+
+     16     16     16
+   |------|------|------|------|------|------|------|------|
+
+と言うように実行すると、
+   /\/\/\/\
+   \/\/\/\/
+patter になってしまう。
+
+
+     16     16
+   |------|------| 16
+          |------|------| 16
+                 |------|------|  16
+                        |------|------|
+
+となるようにしたい。run16 は逐次で実行されるので、二つspawnすれば良い?
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/example/synthesizer/main.cc	Tue Jul 15 17:23:40 2014 +0900
@@ -0,0 +1,77 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/mman.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/time.h>
+#include "TaskManager.h"
+#include "SchedTask.h"
+#include "Func.h"
+#include "AudioData.h"
+
+#include <sdl.h>
+#include <SDL_audio.h>
+#include <math.h>
+
+/*
+ * PS3でCPU数が2以上の時に、あまりが計算されてない
+ */
+
+extern void task_init();
+CPU_TYPE spe_cpu = SPE_ANY;
+int volume = 3000;
+double  Frequency = 440;
+char    *waveform_name;
+
+const char *usr_help_str = "Usage: ./word_count [-a -c -s] [-cpu spe_num] [-g] [-file filename] [-br]\n";
+
+static void
+run_start(TaskManager *manager)
+{
+
+    AudioDataPtr au = (AudioDataPtr)manager->allocate(sizeof(AudioData));
+    au->self = au;
+
+    au->volume = volume;
+    au->Frequency = Frequency;
+    au->waveform_name = waveform_name;
+
+    printf("Freq:%f\n",Frequency);
+    au->freq= 44100; /* Sampling rate: 44100Hz */
+    au->format= AUDIO_S16LSB; /* 16-bit signed audio */
+    au->channels= 1; /* Mono */
+    au->samples= 8192; /* Buffer size: 8K = 0.37 sec. */
+    // au->callback= callback;
+    au->userdata= NULL;
+
+    HTaskPtr osc = manager->create_task(OSC_TASK);
+    osc->set_inData(0,(memaddr)&au->self,sizeof(memaddr));
+    osc->spawn();
+}
+
+void
+init(int argc, char **argv)
+{
+    for (int i = 1; argv[i]; ++i) {
+        if (strcmp(argv[i], "-freq") == 0) {
+            Frequency = atof(argv[i+1]);
+        } else if (strcmp(argv[i], "-wave") == 0) {
+            waveform_name = argv[i+1];
+        } else if (strcmp(argv[i], "-vol") == 0) {
+            volume = atof(argv[i+1]);
+        }
+    }
+}
+
+
+int
+TMmain(TaskManager *manager, int argc, char *argv[])
+{
+    task_init();
+    run_start(manager);
+    return 0;
+}
+/* end */
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/example/synthesizer/ppe/OSC.cc	Tue Jul 15 17:23:40 2014 +0900
@@ -0,0 +1,78 @@
+#include <stdio.h>
+#include <string.h>
+#include "AudioData.h"
+#include "Func.h"
+#include "OSC.h"
+
+#include <sdl.h>
+#include <SDL_audio.h>
+#include <math.h>
+/* これは必須 */
+SchedDefineTask1(Audioosc,osc);
+
+int gvolume = 3000;
+double  gFrequency = 440;
+char    *gwaveform_name;
+SDL_AudioSpec Desired;
+SDL_AudioSpec Obtained;
+
+double square(double t){
+    double decimal_part = t - abs(t);
+    return decimal_part < 0.5 ? 1 : -1;
+}
+
+double tri(double t){
+
+    double decimal_part = t - abs(t);
+
+    if(abs(t) % 2 != 0){
+        return decimal_part < 0.5 ? decimal_part : 1 - decimal_part;
+    }else{
+        return decimal_part < 0.5 ? -decimal_part : 1 - decimal_part;
+    }
+}
+
+
+void callback(void *unused,Uint8 *stream,int len){
+    static unsigned int step = 0;
+    Uint16 *frames = (Uint16 *) stream;
+    int framesize = len / 2;
+
+    if(strcmp(gwaveform_name, "tri")){
+
+        for (int i = 0; i < framesize ; i++, step++){
+            frames[i] = tri(step * gFrequency / Obtained.freq) * gvolume ;
+        }
+
+    }else if(strcmp(gwaveform_name, "sqr")){
+
+        for (int i = 0; i < framesize ; i++, step++){
+            frames[i] = square(step * gFrequency / Obtained.freq) * gvolume ;
+        }
+
+    }
+}
+
+static int
+osc(SchedTask *s, void *rbuf, void *wbuf)
+{
+    AudioData *i_data = (AudioDataPtr)s->get_input(0);
+
+    gvolume = i_data->volume;
+    gwaveform_name = i_data->waveform_name;
+    gFrequency = i_data->Frequency;
+
+    Desired.freq= i_data->freq; /* Sampling rate: 44100Hz */
+    Desired.format= i_data->format; /* 16-bit signed audio */
+    Desired.channels= i_data->channels; /* Mono */
+    Desired.samples= i_data->samples; /* Buffer size: 8K = 0.37 sec. */
+    Desired.callback= callback;
+    Desired.userdata= i_data->userdata;
+
+    SDL_OpenAudio(&Desired, &Obtained);
+    SDL_PauseAudio(0);
+    SDL_Delay(200);
+    SDL_Quit();
+
+    return 0;
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/example/synthesizer/ppe/OSC.h	Tue Jul 15 17:23:40 2014 +0900
@@ -0,0 +1,9 @@
+#ifndef INCLUDED_TASK_HELLO
+#define INCLUDED_TASK_HELLO
+
+#ifndef INCLUDED_SCHED_TASK
+#  include "SchedTask.h"
+#endif
+
+
+#endif
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/example/synthesizer/spe/Exec.cc	Tue Jul 15 17:23:40 2014 +0900
@@ -0,0 +1,45 @@
+#include <stdio.h>
+#include <string.h>
+#include "Exec.h"
+#include "Func.h"
+
+/* これは必須 */
+SchedDefineTask1(Exec,wordcount);
+
+static int
+wordcount(SchedTask *s, void *rbuf, void *wbuf)
+{
+    char *i_data = (char *)rbuf;
+    unsigned long long *o_data = (unsigned long long*)wbuf;
+    unsigned long long *head_tail_flag = o_data +2;
+    int length = (int)s->get_inputSize(0);
+    int word_flag = 0;
+    int word_num = 0;
+    int line_num = 0;
+    int i = 0;
+
+    head_tail_flag[0] = (i_data[0] != 0x20) && (i_data[0] != 0x0A);
+    word_num -= 1-head_tail_flag[0];
+
+    for (; i < length; i++) {
+	if (i_data[i] == 0x20) {
+	    word_flag = 1;
+	} else if (i_data[i] == 0x0A) {
+	    line_num += 1;
+	    word_flag = 1;
+	} else {
+	    word_num += word_flag;
+	    word_flag = 0;
+	}
+    }
+
+    word_num += word_flag;
+    head_tail_flag[1] = (i_data[i-1] != 0x20) && (i_data[i-1] != 0x0A);
+
+    // s->printf("SPE word %d line %d\n",word_num,line_num);
+
+    o_data[0] = (unsigned long long)word_num;
+    o_data[1] = (unsigned long long)line_num;
+
+    return 0;
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/example/synthesizer/spe/Exec.h	Tue Jul 15 17:23:40 2014 +0900
@@ -0,0 +1,9 @@
+#ifndef INCLUDED_TASK_HELLO
+#define INCLUDED_TASK_HELLO
+
+#ifndef INCLUDED_SCHED_TASK
+#  include "SchedTask.h"
+#endif
+
+
+#endif
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/example/synthesizer/spe/Makefile	Tue Jul 15 17:23:40 2014 +0900
@@ -0,0 +1,26 @@
+include ../Makefile.def
+
+TARGET = ../spe-main
+
+SRCS_TMP = $(wildcard *.cc)
+SRCS = $(filter-out $(SRCS_EXCLUDE),$(SRCS_TMP))
+OBJS = $(SRCS:.cc=.o)
+
+CC      = spu-g++
+CFLAGS  = -Wall -fno-exceptions -fno-rtti $(OPT) 
+INCLUDE = -I../${CERIUM}/include/TaskManager -I. -I..
+LIBS = -L../${CERIUM}/TaskManager -lspemanager
+
+.SUFFIXES: .cc .o
+
+.cc.o:
+	$(CC) $(CFLAGS) $(INCLUDE) -c $< -o $@
+
+all: $(TARGET)
+
+$(TARGET): $(OBJS)
+	$(CC) -o $@ $(OBJS) $(TASK_OBJS) $(LIBS)
+
+clean:
+	rm -f $(TARGET) $(OBJS)
+	rm -f *~ \#*
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/example/synthesizer/task_init.cc	Tue Jul 15 17:23:40 2014 +0900
@@ -0,0 +1,22 @@
+#include "Func.h"
+#include "Scheduler.h"
+#ifdef __CERIUM_GPU__
+#include "GpuScheduler.h"
+#endif
+#ifdef __CERIUM_CUDA__
+#include "CudaScheduler.h"
+#endif
+
+/* 必ずこの位置に書いて */
+SchedExternTask(Audioosc);
+
+/**
+ * この関数は ../spe/spe-main と違って
+ * 自分で呼び出せばいい関数なので
+ * 好きな関数名でおk (SchedRegisterTask は必須)
+ */
+void
+task_init(void)
+{
+    SchedRegisterTask(OSC_TASK, Audioosc);
+}