feat(FFT): добавлено FFT, выделение основной частоты

firmware/Makefile

@@ -1,15 +1,15 @@
 TARGET = stm32-usb-freertos
 BUILD_DIR = Build
 
-# --- Исходники ---
-# 1. Приложение
+# Приложение
 C_SOURCES =  \
 App/Src/main.c \
 App/Src/audio_adc.c \
+App/Src/audio_processor.c \
 App/Src/usb_descriptors.c \
 App/Src/system_stm32f1xx.c \
 
-# 2. FreeRTOS
+# FreeRTOS
 C_SOURCES += \
 Middlewares/FreeRTOS/croutine.c \
 Middlewares/FreeRTOS/event_groups.c \
@@ -20,7 +20,7 @@ Middlewares/FreeRTOS/timers.c \
 Middlewares/FreeRTOS/portable/GCC/ARM_CM3/port.c \
 Middlewares/FreeRTOS/portable/MemMang/heap_4.c
 
-# 3. TinyUSB
+# TinyUSB
 C_SOURCES += \
 Middlewares/TinyUSB/src/tusb.c \
 Middlewares/TinyUSB/src/common/tusb_fifo.c \
@@ -29,7 +29,23 @@ Middlewares/TinyUSB/src/device/usbd_control.c \
 Middlewares/TinyUSB/src/class/cdc/cdc_device.c \
 Middlewares/TinyUSB/src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c
 
-# 4. Startup
+# CMSIS-DSP sources
+C_SOURCES += \
+$(CMSIS_DSP)/Source/TransformFunctions/arm_cfft_radix8_f32.c \
+$(CMSIS_DSP)/Source/TransformFunctions/arm_bitreversal2.c \
+$(CMSIS_DSP)/Source/TransformFunctions/arm_rfft_fast_f32.c \
+$(CMSIS_DSP)/Source/TransformFunctions/arm_rfft_fast_init_f32.c \
+$(CMSIS_DSP)/Source/TransformFunctions/arm_cfft_f32.c \
+$(CMSIS_DSP)/Source/TransformFunctions/arm_cfft_init_f32.c \
+$(CMSIS_DSP)/Source/ComplexMathFunctions/arm_cmplx_mag_f32.c \
+$(CMSIS_DSP)/Source/CommonTables/arm_const_structs.c \
+$(CMSIS_DSP)/Source/CommonTables/arm_common_tables.c \
+$(CMSIS_DSP)/Source/FastMathFunctions/arm_cos_f32.c
+
+# CMSIS-DSP
+CMSIS_DSP = Middlewares/CMSIS-DSP
+
+# Startup
 ASM_SOURCES = App/Src/startup_stm32f103xb.s
 
 # --- Настройки компилятора ---
@@ -48,19 +64,29 @@ C_INCLUDES =  \
 -IDrivers/CMSIS/Device/ST/STM32F1xx/Include \
 -IMiddlewares/FreeRTOS/include \
 -IMiddlewares/FreeRTOS/portable/GCC/ARM_CM3 \
--IMiddlewares/TinyUSB/src
+-IMiddlewares/TinyUSB/src \
+-I$(CMSIS_DSP)/Include \
+-I$(CMSIS_DSP)/PrivateInclude
 
 # Defines
 C_DEFS = \
 -DSTM32F103xB \
--DCFG_TUSB_MCU=OPT_MCU_STM32F1
+-DCFG_TUSB_MCU=OPT_MCU_STM32F1 \
+-DARM_MATH_CM3
 
-CFLAGS = $(MCU) $(C_DEFS) $(C_INCLUDES) -O2 -Wall -fdata-sections -ffunction-sections -g -gdwarf-2
+CFLAGS = $(MCU) $(C_DEFS) $(C_INCLUDES) -Os -Wall -fdata-sections -ffunction-sections -g -gdwarf-2
 
 # Linker
 LDSCRIPT = stm32f103c8.ld
-LIBS = -lc -lm -lnosys
-LDFLAGS = $(MCU) -T$(LDSCRIPT) $(LIBS) -Wl,-Map=$(BUILD_DIR)/$(TARGET).map,--cref -Wl,--gc-sections -Wl,--no-warn-rwx-segments
+# LIBS = -lc -lm -lnosys
+# LDFLAGS = $(MCU) -T$(LDSCRIPT) $(LIBS) -Wl,-Map=$(BUILD_DIR)/$(TARGET).map,--cref -Wl,--gc-sections -Wl,--no-warn-rwx-segments
+# LDFLAGS = $(MCU) -T$(LDSCRIPT) --specs=nano.specs --specs=nosys.specs \
+#           -Wl,-Map=$(BUILD_DIR)/$(TARGET).map,--cref -Wl,--gc-sections
+LIBS = -Wl,--start-group -lc_nano -lm -lgcc -lnosys -Wl,--end-group
+LDFLAGS = $(MCU) -T$(LDSCRIPT) $(LIBS) \
+          -Wl,-Map=$(BUILD_DIR)/$(TARGET).map,--cref \
+          -Wl,--gc-sections \
+          -Wl,--no-warn-rwx-segments
 
 # --- Генерация списка объектов ---
 OBJECTS = $(addprefix $(BUILD_DIR)/,$(notdir $(C_SOURCES:.c=.o)))
@@ -104,4 +130,3 @@ flash:
 	st-flash write $(BUILD_DIR)/$(TARGET).bin 0x8000000
 
 .PHONY: all clean flash
-