#include <stdlib.h>
#include "effect.h"
+#include "tinyrand.h"
typedef struct {
double left;
} volume_t;
volume_t volume;
+tinyrand_t tinyrand;
void effect_through(
UZURA *p,
}
}
+void effect_noise(
+ UZURA *p,
+ const int32_t *src, int32_t *des, int32_t count)
+{
+ int32_t i;
+ uint32_t vl, vr;
+ UZURA_LEVEL_INPUT(p).left = 0;
+ UZURA_LEVEL_INPUT(p).right = 0;
+ UZURA_LEVEL_OUTPUT(p).left = 0;
+ UZURA_LEVEL_OUTPUT(p).right = 0;
+ for (i = 0; i < count; i+=2) {
+ tinyrand_pop(&tinyrand, 32, &vl);
+ tinyrand_pop(&tinyrand, 32, &vr);
+ *(des + i + 0) = vl;
+ *(des + i + 1) = vr;
+ UZURA_LEVEL_INPUT(p).left += abs(*(src + i + 0)) >> 1;
+ UZURA_LEVEL_INPUT(p).right += abs(*(src + i + 1)) >> 1;
+ UZURA_LEVEL_OUTPUT(p).left += abs(*(des + i + 0)) >> 1;
+ UZURA_LEVEL_OUTPUT(p).right += abs(*(des + i + 1)) >> 1;
+ }
+}
+
void effect_param_init(void)
{
volume.left = 1.0;
volume.right = 1.0;
+ tinyrand_init(&tinyrand, 0x512367);
}
void effect_param_volume(const double left, const double right)
void effect_karaoke(
UZURA *p,
const int32_t *src, int32_t *des, int32_t count);
+void effect_noise(
+ UZURA *p,
+ const int32_t *src, int32_t *des, int32_t count);
void effect_param_init(void);
void effect_param_volume(const double left, const double right);
--- /dev/null
+/**
+ * @file tinyrand.c
+ * @author Shinichiro Nakamura
+ * @brief NTMが使用する乱数生成器の実装。
+ */
+
+/*
+ * ===============================================================
+ * Natural Tiny Monitor (NT-Monitor)
+ * ===============================================================
+ * Copyright (c) 2011-2012 Shinichiro Nakamura
+ * Inspired by M, Murakami
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following
+ * conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ * ===============================================================
+ */
+
+#include "tinyrand.h"
+
+/**
+ * @brief ビットポジションを得る。
+ *
+ * @param N ビット。
+ *
+ * @return ビットポジション。
+ */
+#define BP(N) (1 << ((N) - 1))
+
+/**
+ * @brief 乱数生成モジュールを初期化する。
+ * @details
+ * この乱数生成モジュールは24ビットM系列信号によって乱数を生成する。
+ *
+ * @param p 乱数生成用ハンドラ。
+ * @param seed 乱数の種。(0以外の値を指定しなければならない)
+ *
+ * @return 0 成功。
+ * @return !0 失敗。
+ */
+int tinyrand_init(tinyrand_t *p, const uint32_t seed)
+{
+ if (seed == 0) {
+ return -1;
+ }
+
+ p->seed = seed;
+ p->reg = seed;
+ return 0;
+}
+
+/**
+ * @brief 乱数生成モジュールから1ビットの乱数を取り出す。
+ * @details
+ * この関数が乱数生成モジュールの心臓部分である。
+ * 24ビットM系列信号を発生させるモジュールである。
+ *
+ * @param p 乱数生成用ハンドラ。
+ *
+ * @return 1ビットの乱数。
+ */
+static int tinyrand_update(tinyrand_t *p)
+{
+ const uint32_t mask = BP(1) | BP(3) | BP(4);
+ const uint32_t bits = BP(24);
+ if ((p->reg & bits) == bits) {
+ p->reg = ((p->reg ^ mask) << 1) | 1;
+ return 1;
+ } else {
+ p->reg = p->reg << 1;
+ return 0;
+ }
+}
+
+/**
+ * @brief 乱数を取り出す。
+ * @details
+ * このインターフェースは、指定したビット幅に収まる値を返す。
+ *
+ * @param p 乱数生成用ハンドラ。
+ * @param nbits 生成する乱数のビット幅。
+ * @param value 値格納先。
+ *
+ * @return 0 成功。
+ * @return !0 失敗。
+ */
+int tinyrand_pop(tinyrand_t *p, const uint8_t nbits, uint32_t *value)
+{
+ int i;
+
+ /*
+ * 値を初期化する。
+ */
+ *value = 0;
+
+ /*
+ * 不正なパラメータの場合、何もしない。
+ */
+ if (nbits == 0) {
+ return -1;
+ }
+
+ /*
+ * nbitsの幅を持つ値を生成する。
+ */
+ for (i = 0; i < nbits; i++) {
+ *value |= tinyrand_update(p) ? (1 << i) : 0;
+ }
+ return 0;
+}
+
--- /dev/null
+/**
+ * @file tinyrand.h
+ * @author Shinichiro Nakamura
+ * @brief NTMが使用する乱数生成器の定義。
+ */
+
+/*
+ * ===============================================================
+ * Natural Tiny Monitor (NT-Monitor)
+ * ===============================================================
+ * Copyright (c) 2011-2012 Shinichiro Nakamura
+ * Inspired by M, Murakami
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following
+ * conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ * ===============================================================
+ */
+
+#ifndef TINYRAND_H
+#define TINYRAND_H
+
+#include <stdint.h>
+
+/**
+ * @brief 乱数生成用ハンドラ。
+ */
+typedef struct {
+ uint32_t seed;
+ uint32_t reg;
+} tinyrand_t;
+
+/**
+ * @brief 乱数生成モジュールを初期化する。
+ * @details
+ * この乱数生成モジュールは24ビットM系列信号によって乱数を生成する。
+ *
+ * @param p 乱数生成用ハンドラ。
+ * @param seed 乱数の種。(0以外の値を指定しなければならない)
+ *
+ * @return 0 成功。
+ * @return !0 失敗。
+ */
+int tinyrand_init(tinyrand_t *p, const uint32_t seed);
+
+/**
+ * @brief 乱数を取り出す。
+ * @details
+ * このインターフェースは、指定したビット幅に収まる値を返す。
+ *
+ * @param p 乱数生成用ハンドラ。
+ * @param nbits 生成する乱数のビット幅。
+ * @param value 値格納先。
+ *
+ * @return 0 成功。
+ * @return !0 失敗。
+ */
+int tinyrand_pop(tinyrand_t *p, const uint8_t nbits, uint32_t *value);
+
+#endif
+
CSRC += twi.c uart.c
CSRC += ssm2603.c at24c.c
CSRC += bfin_util.c uzura.c
+CSRC += tinyrand.c
CSRC += effect.c system.c main.c
ASRC +=
VPATH = ../common/
CSRC += twi.c uart.c
CSRC += ssm2603.c at24c.c
CSRC += bfin_util.c uzura.c
+CSRC += tinyrand.c
CSRC += effect.c system.c main.c
ASRC +=
VPATH = ../common/
--- /dev/null
+#
+# Project name (also used for output file name)
+#
+PROJECT = bluetank
+
+#
+# Source files and search directories
+#
+CSRC += lcd.c led.c rotenc.c
+CSRC += mmc.c pff.c
+CSRC += twi.c uart.c
+CSRC += ssm2603.c at24c.c
+CSRC += bfin_util.c uzura.c
+CSRC += tinyrand.c
+CSRC += effect.c system.c main.c
+ASRC +=
+VPATH = ../common/
+
+#
+# Optimization level (0, 1, 2, 3, 4 or s)
+#
+OPTIMIZE = s
+
+#
+# C Standard level (c89, gnu89, c99 or gnu99)
+#
+CSTD = gnu89
+
+#
+# Processor type for CSRC/ASRC files.
+#
+CPU = bf592-any
+
+#
+# Linker script for the target MCU
+#
+LINKSCRIPT =
+
+#
+# Output file format (ihex, bin or both) and debugger type
+#
+OUTPUT = ihex
+DEBUG = dwarf-2
+
+#
+# Include dirs, library dirs and definitions
+#
+LIBS =
+LIBDIRS =
+INCDIRS = ../common/
+DEFS =
+ADEFS =
+
+#
+# Warning contorls
+#
+WARNINGS = all extra
+
+#
+# Object output directory
+#
+OBJDIR = obj
+
+#
+# Programs to build porject
+#
+CC = bfin-elf-gcc
+OBJCOPY = bfin-elf-objcopy
+OBJDUMP = bfin-elf-objdump
+SIZE = bfin-elf-size
+NM = bfin-elf-nm
+
+#
+# Define all object files
+#
+COBJ = $(CSRC:.c=.o)
+AOBJ = $(ASRC:.S=.o)
+COBJ := $(addprefix $(OBJDIR)/,$(COBJ))
+AOBJ := $(addprefix $(OBJDIR)/,$(AOBJ))
+PROJECT := $(OBJDIR)/$(PROJECT)
+
+#
+# Flags for C files
+#
+CFLAGS += -std=$(CSTD)
+CFLAGS += -g$(DEBUG)
+CFLAGS += -O$(OPTIMIZE)
+CFLAGS += -fmessage-length=0
+CFLAGS += $(addprefix -W,$(WARNINGS))
+CFLAGS += $(addprefix -I,$(INCDIRS))
+CFLAGS += $(addprefix -D,$(DEFS))
+CFLAGS += -Wp,-M,-MP,-MT,$(OBJDIR)/$(*F).o,-MF,$(OBJDIR)/$(*F).d
+
+#
+# Assembler flags
+#
+ASFLAGS += $(addprefix -D,$(ADEFS)) -Wa,-g$(DEBUG)
+
+#
+# Linker flags
+#
+LDFLAGS += -Wl,-Map=$(PROJECT).map,--cref,--gc-sections
+LDFLAGS += -lc -lgcc
+LDFLAGS += $(patsubst %,-L%,$(LIBDIRS)) $(patsubst %,-l%,$(LIBS))
+#LDFLAGS += -T$(LINKSCRIPT)
+#LDFLAGS += -nostartfiles
+#LDFLAGS += -nodefaultlibs
+#LDFLAGS += -nostdlib
+#LDFLAGS += -fno-builtin
+
+# Combine all necessary flags and optional flags.
+# Add target processor to flags.
+ALL_CFLAGS = -mcpu=$(CPU) -I. $(CFLAGS)
+ALL_ASFLAGS = -mcpu=$(CPU) -I. -x assembler-with-cpp $(ASFLAGS)
+
+#
+# Default target.
+#
+all: version build size
+
+ifeq ($(OUTPUT),ihex)
+build: elf hex lst sym
+hex: $(PROJECT).hex
+else
+ifeq ($(OUTPUT),binary)
+build: elf bin lst sym
+bin: $(PROJECT).bin
+else
+ifeq ($(OUTPUT),both)
+build: elf hex bin lst sym
+hex: $(PROJECT).hex
+bin: $(PROJECT).bin
+else
+$(error "Invalid format: $(OUTPUT)")
+endif
+endif
+endif
+
+elf: $(PROJECT).elf
+lst: $(PROJECT).lst
+sym: $(PROJECT).sym
+
+#
+# Display compiler version information.
+#
+version :
+ @$(CC) --version
+
+#
+# Create final output file (.hex or .bin) from ELF output file.
+#
+%.hex: %.elf
+ @echo
+ $(OBJCOPY) -O ihex $< $@
+
+%.bin: %.elf
+ @echo
+ $(OBJCOPY) -O binary $< $@
+
+#
+# Create extended listing file from ELF output file.
+#
+%.lst: %.elf
+ @echo
+ $(OBJDUMP) -h -S -C $< > $@
+
+#
+# Create a symbol table from ELF output file.
+#
+%.sym: %.elf
+ @echo
+ $(NM) -n $< > $@
+
+#
+# Display size of file.
+#
+size:
+ @echo
+ $(SIZE) -A $(PROJECT).elf
+
+#
+# Link: create ELF output file from object files.
+#
+%.elf: $(AOBJ) $(COBJ)
+ @echo
+ @echo Linking...
+ $(CC) $(ALL_CFLAGS) $(AOBJ) $(COBJ) --output $@ $(LDFLAGS)
+
+#
+# Compile: create object files from C source files.
+#
+$(COBJ) : $(OBJDIR)/%.o : %.c
+ @echo
+ @echo $< :
+ $(CC) -c $(ALL_CFLAGS) $< -o $@
+
+#
+# Assemble: create object files from assembler source files.
+#
+$(AOBJ) : $(OBJDIR)/%.o : %.S
+ @echo
+ @echo $< :
+ $(CC) -c $(ALL_ASFLAGS) $< -o $@
+
+#
+# Target: clean project.
+#
+clean:
+ @echo
+ rm -f -r $(OBJDIR) | exit 0
+
+#
+# Load: Load ldr for Blackfin
+#
+load:
+ bfin-elf-ldr -T BF592 -c $(PROJECT).ldr $(PROJECT).elf
+ bfin-elf-ldr -l $(PROJECT).ldr /dev/ttyUSB0 -b 57600 -C
+
+#
+# Console: Console
+#
+console:
+ minicom -b 57600 -D /dev/ttyUSB0
+
+#
+# Include the dependency files.
+#
+-include $(shell mkdir $(OBJDIR) 2>/dev/null) $(wildcard $(OBJDIR)/*.d)
+
--- /dev/null
+/**
+ * @file main.c
+ * @author Copyright(C) 2012 Shinichiro Nakamura
+ * @brief BlueTank ACB-BF592 Application Sample Codes.
+ */
+
+/*
+ * ===============================================================
+ * BlueTank
+ * ===============================================================
+ * Copyright (c) 2012 Shinichiro Nakamura
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following
+ * conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ * ===============================================================
+ */
+
+#include "uzura.h"
+#include "effect.h"
+#include "system.h"
+
+typedef struct {
+ UZURA uzura;
+} work_t;
+
+int main(void)
+{
+ work_t w;
+
+ effect_param_init();
+ uzura_init(&w.uzura, &w);
+ uzura_set_effect(&w.uzura, effect_noise);
+ uzura_set_system(&w.uzura, system_default);
+ uzura_execute(&w.uzura);
+
+ return 0;
+}
+
CSRC += twi.c uart.c
CSRC += ssm2603.c at24c.c
CSRC += bfin_util.c uzura.c
+CSRC += tinyrand.c
CSRC += effect.c system.c main.c
ASRC +=
VPATH = ../common/
OSDN Git Service
