add practice projs
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13 changed files with 1279 additions and 0 deletions
165
myapps/practice/01-button/Makefile
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165
myapps/practice/01-button/Makefile
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######################################
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# target
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######################################
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TARGET = ch592_blinky
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# ../../
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######################################
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# building variables
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######################################
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# debug build?
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DEBUG = 1
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# optimization for size
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OPT = -Os
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#######################################
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# paths
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#######################################
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# Build path
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BUILD_DIR = build
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######################################
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# source
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######################################
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# C sources
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C_SOURCES = \
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src/main.c \
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../../../vendor/StdPeriphDriver/CH59x_clk.c \
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../../../vendor/StdPeriphDriver/CH59x_gpio.c \
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../../../vendor/StdPeriphDriver/CH59x_pwr.c \
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../../../vendor/StdPeriphDriver/CH59x_sys.c \
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../../../vendor/RVMSIS/core_riscv.c \
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# ASM sources
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ASM_SOURCES = \
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../../../vendor/Startup/startup_CH592.S
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#######################################
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# binaries
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#######################################
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#PREFIX = riscv-none-elf-
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#PREFIX = riscv64-elf-
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#debian
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#PREFIX = riscv64-unknown-elf-
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PREFIX = riscv-wch-elf-
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CC = $(PREFIX)gcc
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AS = $(PREFIX)gcc -x assembler-with-cpp
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CP = $(PREFIX)objcopy
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SZ = $(PREFIX)size
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HEX = $(CP) -O ihex
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BIN = $(CP) -O binary -S
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#######################################
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# CFLAGS
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#######################################
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# cpu
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CPU = -march=rv32imac_zicsr -mabi=ilp32 -msmall-data-limit=8
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# For gcc version less than v12
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# CPU = -march=rv32imac -mabi=ilp32 -msmall-data-limit=8
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# fpu
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FPU =
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# float-abi
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FLOAT-ABI =
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# mcu
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MCU = $(CPU) $(FPU) $(FLOAT-ABI)
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# AS includes
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AS_INCLUDES =
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# C includes
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C_INCLUDES = \
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-I../../../vendor/StdPeriphDriver/inc \
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-I../../../vendor/RVMSIS \
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-I../../../vendor/Core \
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-Isrc/include
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# compile gcc flags
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ASFLAGS = $(MCU) $(AS_INCLUDES) $(OPT) -Wall -fdata-sections -ffunction-sections
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CFLAGS = $(MCU) $(C_INCLUDES) $(OPT) -Wall -fdata-sections -ffunction-sections
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ifeq ($(DEBUG), 1)
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CFLAGS += -g -gdwarf-2
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endif
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# Generate dependency information
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CFLAGS += -MMD -MP -MF"$(@:%.o=%.d)"
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#######################################
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# LDFLAGS
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#######################################
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# link script
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LDSCRIPT = ../../../vendor/Ld/Link.ld
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# libraries
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LIBS = -lc -lm -lnosys ../../../vendor/StdPeriphDriver/libISP592.a
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LIBDIR =
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LDFLAGS = $(MCU) -mno-save-restore -fmessage-length=0 -fsigned-char -ffunction-sections -fdata-sections -Wunused -Wuninitialized -T $(LDSCRIPT) -nostartfiles -Xlinker --gc-sections -Wl,-Map=$(BUILD_DIR)/$(TARGET).map --specs=nano.specs $(LIBS)
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# default action: build all
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all: $(BUILD_DIR)/$(TARGET).elf $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).bin
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#######################################
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# build the application
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#######################################
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# list of objects
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OBJECTS = $(addprefix $(BUILD_DIR)/,$(notdir $(C_SOURCES:.c=.o)))
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vpath %.c $(sort $(dir $(C_SOURCES)))
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# list of ASM program objects
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OBJECTS += $(addprefix $(BUILD_DIR)/,$(notdir $(ASM_SOURCES:.S=.o)))
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vpath %.S $(sort $(dir $(ASM_SOURCES)))
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$(BUILD_DIR)/%.o: %.c Makefile | $(BUILD_DIR)
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$(CC) -c $(CFLAGS) -Wa,-a,-ad,-alms=$(BUILD_DIR)/$(notdir $(<:.c=.lst)) $< -o $@
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$(BUILD_DIR)/%.o: %.S Makefile | $(BUILD_DIR)
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$(AS) -c $(CFLAGS) $< -o $@
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#$(LUAOBJECTS) $(OBJECTS)
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$(BUILD_DIR)/$(TARGET).elf: $(OBJECTS) Makefile
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$(CC) $(OBJECTS) $(LDFLAGS) -o $@
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$(SZ) $@
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$(BUILD_DIR)/%.hex: $(BUILD_DIR)/%.elf | $(BUILD_DIR)
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$(HEX) $< $@
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$(BUILD_DIR)/%.bin: $(BUILD_DIR)/%.elf | $(BUILD_DIR)
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$(BIN) $< $@
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$(BUILD_DIR):
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mkdir $@
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#######################################
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# Program
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#######################################
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isp: $(BUILD_DIR)/$(TARGET).bin
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wchisp flash $(BUILD_DIR)/$(TARGET).bin
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flash: $(BUILD_DIR)/$(TARGET).bin
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wlink flash $(BUILD_DIR)/$(TARGET).bin
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#######################################
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# clean up
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#######################################
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clean:
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-rm -fR $(BUILD_DIR)
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#######################################
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# dependencies
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#######################################
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-include $(wildcard $(BUILD_DIR)/*.d)
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# *** EOF ***
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185
myapps/practice/01-button/Makefile-fullsdk.bkp
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185
myapps/practice/01-button/Makefile-fullsdk.bkp
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@ -0,0 +1,185 @@
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######################################
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# target
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######################################
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TARGET = ch592_blinky
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# ../../
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######################################
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# building variables
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######################################
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# debug build?
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DEBUG = 1
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# optimization for size
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OPT = -Os
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#######################################
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# paths
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#######################################
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# Build path
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BUILD_DIR = build
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######################################
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# source
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######################################
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# C sources
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C_SOURCES = \
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src/main.c \
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../../../vendor/StdPeriphDriver/CH59x_timer1.c \
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../../../vendor/StdPeriphDriver/CH59x_adc.c \
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../../../vendor/StdPeriphDriver/CH59x_flash.c \
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../../../vendor/StdPeriphDriver/CH59x_usb2hostBase.c \
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../../../vendor/StdPeriphDriver/CH59x_uart2.c \
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../../../vendor/StdPeriphDriver/CH59x_spi1.c \
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../../../vendor/StdPeriphDriver/CH59x_usbhostBase.c \
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../../../vendor/StdPeriphDriver/CH59x_timer3.c \
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../../../vendor/StdPeriphDriver/CH59x_usbhostClass.c \
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../../../vendor/StdPeriphDriver/CH59x_timer2.c \
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../../../vendor/StdPeriphDriver/CH59x_uart1.c \
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../../../vendor/StdPeriphDriver/CH59x_clk.c \
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../../../vendor/StdPeriphDriver/CH59x_gpio.c \
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../../../vendor/StdPeriphDriver/CH59x_usb2hostClass.c \
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../../../vendor/StdPeriphDriver/CH59x_pwr.c \
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../../../vendor/StdPeriphDriver/CH59x_timer0.c \
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../../../vendor/StdPeriphDriver/CH59x_pwm.c \
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../../../vendor/StdPeriphDriver/CH59x_uart0.c \
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../../../vendor/StdPeriphDriver/CH59x_spi0.c \
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../../../vendor/StdPeriphDriver/CH59x_i2c.c \
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../../../vendor/StdPeriphDriver/CH59x_usbdev.c \
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../../../vendor/StdPeriphDriver/CH59x_usb2dev.c \
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../../../vendor/StdPeriphDriver/CH59x_uart3.c \
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../../../vendor/StdPeriphDriver/CH59x_sys.c \
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../../../vendor/RVMSIS/core_riscv.c \
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# ASM sources
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ASM_SOURCES = \
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../../../vendor/Startup/startup_CH592.S
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#######################################
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# binaries
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#######################################
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#PREFIX = riscv-none-elf-
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#PREFIX = riscv64-elf-
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#debian
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#PREFIX = riscv64-unknown-elf-
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PREFIX = riscv-wch-elf-
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CC = $(PREFIX)gcc
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AS = $(PREFIX)gcc -x assembler-with-cpp
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CP = $(PREFIX)objcopy
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SZ = $(PREFIX)size
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HEX = $(CP) -O ihex
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BIN = $(CP) -O binary -S
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#######################################
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# CFLAGS
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#######################################
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# cpu
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CPU = -march=rv32imac_zicsr -mabi=ilp32 -msmall-data-limit=8
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# For gcc version less than v12
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# CPU = -march=rv32imac -mabi=ilp32 -msmall-data-limit=8
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# fpu
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FPU =
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# float-abi
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FLOAT-ABI =
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# mcu
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MCU = $(CPU) $(FPU) $(FLOAT-ABI)
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# AS includes
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AS_INCLUDES =
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# C includes
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C_INCLUDES = \
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-I../../../vendor/StdPeriphDriver/inc \
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-I../../../vendor/RVMSIS \
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-I../../../vendor/Core \
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-Isrc/include
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# compile gcc flags
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ASFLAGS = $(MCU) $(AS_INCLUDES) $(OPT) -Wall -fdata-sections -ffunction-sections
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CFLAGS = $(MCU) $(C_INCLUDES) $(OPT) -Wall -fdata-sections -ffunction-sections
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ifeq ($(DEBUG), 1)
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CFLAGS += -g -gdwarf-2
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endif
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# Generate dependency information
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CFLAGS += -MMD -MP -MF"$(@:%.o=%.d)"
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#######################################
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# LDFLAGS
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#######################################
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# link script
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LDSCRIPT = ../../../vendor/Ld/Link.ld
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# libraries
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LIBS = -lc -lm -lnosys ../../../vendor/StdPeriphDriver/libISP592.a
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LIBDIR =
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LDFLAGS = $(MCU) -mno-save-restore -fmessage-length=0 -fsigned-char -ffunction-sections -fdata-sections -Wunused -Wuninitialized -T $(LDSCRIPT) -nostartfiles -Xlinker --gc-sections -Wl,-Map=$(BUILD_DIR)/$(TARGET).map --specs=nano.specs $(LIBS)
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# default action: build all
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all: $(BUILD_DIR)/$(TARGET).elf $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).bin
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#######################################
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# build the application
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#######################################
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# list of objects
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OBJECTS = $(addprefix $(BUILD_DIR)/,$(notdir $(C_SOURCES:.c=.o)))
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vpath %.c $(sort $(dir $(C_SOURCES)))
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# list of ASM program objects
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OBJECTS += $(addprefix $(BUILD_DIR)/,$(notdir $(ASM_SOURCES:.S=.o)))
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vpath %.S $(sort $(dir $(ASM_SOURCES)))
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$(BUILD_DIR)/%.o: %.c Makefile | $(BUILD_DIR)
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$(CC) -c $(CFLAGS) -Wa,-a,-ad,-alms=$(BUILD_DIR)/$(notdir $(<:.c=.lst)) $< -o $@
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$(BUILD_DIR)/%.o: %.S Makefile | $(BUILD_DIR)
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$(AS) -c $(CFLAGS) $< -o $@
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#$(LUAOBJECTS) $(OBJECTS)
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$(BUILD_DIR)/$(TARGET).elf: $(OBJECTS) Makefile
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$(CC) $(OBJECTS) $(LDFLAGS) -o $@
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$(SZ) $@
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$(BUILD_DIR)/%.hex: $(BUILD_DIR)/%.elf | $(BUILD_DIR)
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$(HEX) $< $@
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|
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$(BUILD_DIR)/%.bin: $(BUILD_DIR)/%.elf | $(BUILD_DIR)
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$(BIN) $< $@
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$(BUILD_DIR):
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mkdir $@
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#######################################
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# Program
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#######################################
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||||||
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isp: $(BUILD_DIR)/$(TARGET).bin
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wchisp flash $(BUILD_DIR)/$(TARGET).bin
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flash: $(BUILD_DIR)/$(TARGET).bin
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wlink flash $(BUILD_DIR)/$(TARGET).bin
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#######################################
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# clean up
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#######################################
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clean:
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-rm -fR $(BUILD_DIR)
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#######################################
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# dependencies
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||||||
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#######################################
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-include $(wildcard $(BUILD_DIR)/*.d)
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# *** EOF ***
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24
myapps/practice/01-button/src/main.c
Normal file
24
myapps/practice/01-button/src/main.c
Normal file
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@ -0,0 +1,24 @@
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// LED: PA8 (active low)
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// BUT: PB22 (active low, no pullup)
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#include "CH59x_common.h"
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int main()
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{
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SetSysClock(CLK_SOURCE_PLL_60MHz);
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GPIOA_SetBits(GPIO_Pin_8); // LED
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GPIOA_ModeCfg(GPIO_Pin_8, GPIO_ModeOut_PP_5mA);
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GPIOB_ModeCfg(GPIO_Pin_22, GPIO_ModeIN_PU); // Button
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while(1) {
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if (GPIOB_ReadPortPin(GPIO_Pin_22))
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GPIOA_SetBits(GPIO_Pin_8);
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else
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GPIOA_ResetBits(GPIO_Pin_8);
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}
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}
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165
myapps/practice/02-button-int/Makefile
Normal file
165
myapps/practice/02-button-int/Makefile
Normal file
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|
@ -0,0 +1,165 @@
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######################################
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||||||
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# target
|
||||||
|
######################################
|
||||||
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TARGET = ch592_blinky
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||||||
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# ../../
|
||||||
|
|
||||||
|
|
||||||
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######################################
|
||||||
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# building variables
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||||||
|
######################################
|
||||||
|
# debug build?
|
||||||
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DEBUG = 1
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||||||
|
# optimization for size
|
||||||
|
OPT = -Os
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||||||
|
|
||||||
|
|
||||||
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#######################################
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||||||
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# paths
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||||||
|
#######################################
|
||||||
|
# Build path
|
||||||
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BUILD_DIR = build
|
||||||
|
|
||||||
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######################################
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||||||
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# source
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||||||
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######################################
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||||||
|
# C sources
|
||||||
|
C_SOURCES = \
|
||||||
|
src/main.c \
|
||||||
|
../../../vendor/StdPeriphDriver/CH59x_clk.c \
|
||||||
|
../../../vendor/StdPeriphDriver/CH59x_gpio.c \
|
||||||
|
../../../vendor/StdPeriphDriver/CH59x_pwr.c \
|
||||||
|
../../../vendor/StdPeriphDriver/CH59x_sys.c \
|
||||||
|
../../../vendor/RVMSIS/core_riscv.c \
|
||||||
|
|
||||||
|
|
||||||
|
# ASM sources
|
||||||
|
ASM_SOURCES = \
|
||||||
|
../../../vendor/Startup/startup_CH592.S
|
||||||
|
|
||||||
|
#######################################
|
||||||
|
# binaries
|
||||||
|
#######################################
|
||||||
|
#PREFIX = riscv-none-elf-
|
||||||
|
#PREFIX = riscv64-elf-
|
||||||
|
#debian
|
||||||
|
#PREFIX = riscv64-unknown-elf-
|
||||||
|
PREFIX = riscv-wch-elf-
|
||||||
|
|
||||||
|
CC = $(PREFIX)gcc
|
||||||
|
AS = $(PREFIX)gcc -x assembler-with-cpp
|
||||||
|
CP = $(PREFIX)objcopy
|
||||||
|
SZ = $(PREFIX)size
|
||||||
|
|
||||||
|
HEX = $(CP) -O ihex
|
||||||
|
BIN = $(CP) -O binary -S
|
||||||
|
|
||||||
|
#######################################
|
||||||
|
# CFLAGS
|
||||||
|
#######################################
|
||||||
|
# cpu
|
||||||
|
CPU = -march=rv32imac_zicsr -mabi=ilp32 -msmall-data-limit=8
|
||||||
|
|
||||||
|
# For gcc version less than v12
|
||||||
|
# CPU = -march=rv32imac -mabi=ilp32 -msmall-data-limit=8
|
||||||
|
|
||||||
|
# fpu
|
||||||
|
FPU =
|
||||||
|
|
||||||
|
# float-abi
|
||||||
|
FLOAT-ABI =
|
||||||
|
|
||||||
|
# mcu
|
||||||
|
MCU = $(CPU) $(FPU) $(FLOAT-ABI)
|
||||||
|
|
||||||
|
# AS includes
|
||||||
|
AS_INCLUDES =
|
||||||
|
|
||||||
|
# C includes
|
||||||
|
C_INCLUDES = \
|
||||||
|
-I../../../vendor/StdPeriphDriver/inc \
|
||||||
|
-I../../../vendor/RVMSIS \
|
||||||
|
-I../../../vendor/Core \
|
||||||
|
-Isrc/include
|
||||||
|
|
||||||
|
# compile gcc flags
|
||||||
|
ASFLAGS = $(MCU) $(AS_INCLUDES) $(OPT) -Wall -fdata-sections -ffunction-sections
|
||||||
|
|
||||||
|
CFLAGS = $(MCU) $(C_INCLUDES) $(OPT) -Wall -fdata-sections -ffunction-sections
|
||||||
|
|
||||||
|
ifeq ($(DEBUG), 1)
|
||||||
|
CFLAGS += -g -gdwarf-2
|
||||||
|
endif
|
||||||
|
|
||||||
|
|
||||||
|
# Generate dependency information
|
||||||
|
CFLAGS += -MMD -MP -MF"$(@:%.o=%.d)"
|
||||||
|
|
||||||
|
|
||||||
|
#######################################
|
||||||
|
# LDFLAGS
|
||||||
|
#######################################
|
||||||
|
# link script
|
||||||
|
LDSCRIPT = ../../../vendor/Ld/Link.ld
|
||||||
|
|
||||||
|
# libraries
|
||||||
|
LIBS = -lc -lm -lnosys ../../../vendor/StdPeriphDriver/libISP592.a
|
||||||
|
LIBDIR =
|
||||||
|
LDFLAGS = $(MCU) -mno-save-restore -fmessage-length=0 -fsigned-char -ffunction-sections -fdata-sections -Wunused -Wuninitialized -T $(LDSCRIPT) -nostartfiles -Xlinker --gc-sections -Wl,-Map=$(BUILD_DIR)/$(TARGET).map --specs=nano.specs $(LIBS)
|
||||||
|
|
||||||
|
# default action: build all
|
||||||
|
all: $(BUILD_DIR)/$(TARGET).elf $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).bin
|
||||||
|
|
||||||
|
|
||||||
|
#######################################
|
||||||
|
# build the application
|
||||||
|
#######################################
|
||||||
|
# list of objects
|
||||||
|
OBJECTS = $(addprefix $(BUILD_DIR)/,$(notdir $(C_SOURCES:.c=.o)))
|
||||||
|
vpath %.c $(sort $(dir $(C_SOURCES)))
|
||||||
|
|
||||||
|
# list of ASM program objects
|
||||||
|
OBJECTS += $(addprefix $(BUILD_DIR)/,$(notdir $(ASM_SOURCES:.S=.o)))
|
||||||
|
vpath %.S $(sort $(dir $(ASM_SOURCES)))
|
||||||
|
|
||||||
|
$(BUILD_DIR)/%.o: %.c Makefile | $(BUILD_DIR)
|
||||||
|
$(CC) -c $(CFLAGS) -Wa,-a,-ad,-alms=$(BUILD_DIR)/$(notdir $(<:.c=.lst)) $< -o $@
|
||||||
|
|
||||||
|
$(BUILD_DIR)/%.o: %.S Makefile | $(BUILD_DIR)
|
||||||
|
$(AS) -c $(CFLAGS) $< -o $@
|
||||||
|
#$(LUAOBJECTS) $(OBJECTS)
|
||||||
|
$(BUILD_DIR)/$(TARGET).elf: $(OBJECTS) Makefile
|
||||||
|
$(CC) $(OBJECTS) $(LDFLAGS) -o $@
|
||||||
|
$(SZ) $@
|
||||||
|
|
||||||
|
$(BUILD_DIR)/%.hex: $(BUILD_DIR)/%.elf | $(BUILD_DIR)
|
||||||
|
$(HEX) $< $@
|
||||||
|
|
||||||
|
$(BUILD_DIR)/%.bin: $(BUILD_DIR)/%.elf | $(BUILD_DIR)
|
||||||
|
$(BIN) $< $@
|
||||||
|
|
||||||
|
$(BUILD_DIR):
|
||||||
|
mkdir $@
|
||||||
|
|
||||||
|
#######################################
|
||||||
|
# Program
|
||||||
|
#######################################
|
||||||
|
|
||||||
|
isp: $(BUILD_DIR)/$(TARGET).bin
|
||||||
|
wchisp flash $(BUILD_DIR)/$(TARGET).bin
|
||||||
|
|
||||||
|
flash: $(BUILD_DIR)/$(TARGET).bin
|
||||||
|
wlink flash $(BUILD_DIR)/$(TARGET).bin
|
||||||
|
|
||||||
|
#######################################
|
||||||
|
# clean up
|
||||||
|
#######################################
|
||||||
|
clean:
|
||||||
|
-rm -fR $(BUILD_DIR)
|
||||||
|
|
||||||
|
#######################################
|
||||||
|
# dependencies
|
||||||
|
#######################################
|
||||||
|
-include $(wildcard $(BUILD_DIR)/*.d)
|
||||||
|
|
||||||
|
# *** EOF ***
|
||||||
33
myapps/practice/02-button-int/src/main.c
Normal file
33
myapps/practice/02-button-int/src/main.c
Normal file
|
|
@ -0,0 +1,33 @@
|
||||||
|
// TODO fix line 27
|
||||||
|
// LED: PA8 (active low)
|
||||||
|
// BUT: PB22 (active low, no pullup)
|
||||||
|
|
||||||
|
#include "CH59x_common.h"
|
||||||
|
|
||||||
|
__INTERRUPT
|
||||||
|
__HIGH_CODE
|
||||||
|
void GPIOB_IRQHandler()
|
||||||
|
{
|
||||||
|
if (GPIOB_ReadITFlagBit(GPIO_Pin_8)) {
|
||||||
|
GPIOA_InverseBits(GPIO_Pin_8);
|
||||||
|
GPIOB_ClearITFlagBit(GPIO_Pin_8);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
int main()
|
||||||
|
{
|
||||||
|
SetSysClock(CLK_SOURCE_PLL_60MHz);
|
||||||
|
|
||||||
|
GPIOA_SetBits(GPIO_Pin_8); // LED
|
||||||
|
GPIOA_ModeCfg(GPIO_Pin_8, GPIO_ModeOut_PP_5mA);
|
||||||
|
|
||||||
|
GPIOB_ModeCfg(GPIO_Pin_22, GPIO_ModeIN_PU); // button
|
||||||
|
GPIOB_ITModeCfg(GPIO_Pin_8, GPIO_ITMode_FallEdge); // PB8 mux'd as PB22 see below
|
||||||
|
GPIOB_ClearITFlagBit(GPIO_Pin_8);
|
||||||
|
GPIOPinRemap(ENABLE, RB_PIN_INTX); // <================== workaround, as R16_PB_INT reg is 16b wide
|
||||||
|
PFIC_EnableIRQ(GPIO_B_IRQn);
|
||||||
|
|
||||||
|
while (1);
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
41
myapps/practice/02-button-int/src/main.c.bkp1
Normal file
41
myapps/practice/02-button-int/src/main.c.bkp1
Normal file
|
|
@ -0,0 +1,41 @@
|
||||||
|
|
||||||
|
// LED: PA8 (active low)
|
||||||
|
// BUT: PB22 (active low, no pullup)
|
||||||
|
|
||||||
|
#include "CH59x_common.h"
|
||||||
|
#include <stdbool.h>
|
||||||
|
|
||||||
|
volatile bool buttonPressed = false;
|
||||||
|
|
||||||
|
__INTERRUPT
|
||||||
|
__HIGH_CODE
|
||||||
|
void GPIOB_IRQHandler()
|
||||||
|
{
|
||||||
|
if (GPIOB_ReadITFlagBit(GPIO_Pin_8)) {
|
||||||
|
buttonPressed = true;
|
||||||
|
GPIOB_ClearITFlagBit(GPIO_Pin_8);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
int main()
|
||||||
|
{
|
||||||
|
SetSysClock(CLK_SOURCE_PLL_60MHz);
|
||||||
|
|
||||||
|
GPIOA_SetBits(GPIO_Pin_8); // LED
|
||||||
|
GPIOA_ModeCfg(GPIO_Pin_8, GPIO_ModeOut_PP_5mA);
|
||||||
|
|
||||||
|
GPIOB_ModeCfg(GPIO_Pin_22, GPIO_ModeIN_PU); // button
|
||||||
|
GPIOB_ITModeCfg(GPIO_Pin_8, GPIO_ITMode_FallEdge);
|
||||||
|
GPIOB_ClearITFlagBit(GPIO_Pin_8);
|
||||||
|
GPIOPinRemap(ENABLE, RB_PIN_INTX); // <==================
|
||||||
|
PFIC_EnableIRQ(GPIO_B_IRQn);
|
||||||
|
|
||||||
|
while (1) {
|
||||||
|
if (buttonPressed) {
|
||||||
|
buttonPressed = false;
|
||||||
|
GPIOA_InverseBits(GPIO_Pin_8);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
166
myapps/practice/03-tmr-int/Makefile
Normal file
166
myapps/practice/03-tmr-int/Makefile
Normal file
|
|
@ -0,0 +1,166 @@
|
||||||
|
######################################
|
||||||
|
# target
|
||||||
|
######################################
|
||||||
|
TARGET = ch592_blinky
|
||||||
|
# ../../
|
||||||
|
|
||||||
|
|
||||||
|
######################################
|
||||||
|
# building variables
|
||||||
|
######################################
|
||||||
|
# debug build?
|
||||||
|
DEBUG = 1
|
||||||
|
# optimization for size
|
||||||
|
OPT = -Os
|
||||||
|
|
||||||
|
|
||||||
|
#######################################
|
||||||
|
# paths
|
||||||
|
#######################################
|
||||||
|
# Build path
|
||||||
|
BUILD_DIR = build
|
||||||
|
|
||||||
|
######################################
|
||||||
|
# source
|
||||||
|
######################################
|
||||||
|
# C sources
|
||||||
|
C_SOURCES = \
|
||||||
|
src/main.c \
|
||||||
|
../../../vendor/StdPeriphDriver/CH59x_clk.c \
|
||||||
|
../../../vendor/StdPeriphDriver/CH59x_gpio.c \
|
||||||
|
../../../vendor/StdPeriphDriver/CH59x_pwr.c \
|
||||||
|
../../../vendor/StdPeriphDriver/CH59x_sys.c \
|
||||||
|
../../../vendor/StdPeriphDriver/CH59x_timer1.c \
|
||||||
|
../../../vendor/RVMSIS/core_riscv.c \
|
||||||
|
|
||||||
|
|
||||||
|
# ASM sources
|
||||||
|
ASM_SOURCES = \
|
||||||
|
../../../vendor/Startup/startup_CH592.S
|
||||||
|
|
||||||
|
#######################################
|
||||||
|
# binaries
|
||||||
|
#######################################
|
||||||
|
#PREFIX = riscv-none-elf-
|
||||||
|
#PREFIX = riscv64-elf-
|
||||||
|
#debian
|
||||||
|
#PREFIX = riscv64-unknown-elf-
|
||||||
|
PREFIX = riscv-wch-elf-
|
||||||
|
|
||||||
|
CC = $(PREFIX)gcc
|
||||||
|
AS = $(PREFIX)gcc -x assembler-with-cpp
|
||||||
|
CP = $(PREFIX)objcopy
|
||||||
|
SZ = $(PREFIX)size
|
||||||
|
|
||||||
|
HEX = $(CP) -O ihex
|
||||||
|
BIN = $(CP) -O binary -S
|
||||||
|
|
||||||
|
#######################################
|
||||||
|
# CFLAGS
|
||||||
|
#######################################
|
||||||
|
# cpu
|
||||||
|
CPU = -march=rv32imac_zicsr -mabi=ilp32 -msmall-data-limit=8
|
||||||
|
|
||||||
|
# For gcc version less than v12
|
||||||
|
# CPU = -march=rv32imac -mabi=ilp32 -msmall-data-limit=8
|
||||||
|
|
||||||
|
# fpu
|
||||||
|
FPU =
|
||||||
|
|
||||||
|
# float-abi
|
||||||
|
FLOAT-ABI =
|
||||||
|
|
||||||
|
# mcu
|
||||||
|
MCU = $(CPU) $(FPU) $(FLOAT-ABI)
|
||||||
|
|
||||||
|
# AS includes
|
||||||
|
AS_INCLUDES =
|
||||||
|
|
||||||
|
# C includes
|
||||||
|
C_INCLUDES = \
|
||||||
|
-I../../../vendor/StdPeriphDriver/inc \
|
||||||
|
-I../../../vendor/RVMSIS \
|
||||||
|
-I../../../vendor/Core \
|
||||||
|
-Isrc/include
|
||||||
|
|
||||||
|
# compile gcc flags
|
||||||
|
ASFLAGS = $(MCU) $(AS_INCLUDES) $(OPT) -Wall -fdata-sections -ffunction-sections
|
||||||
|
|
||||||
|
CFLAGS = $(MCU) $(C_INCLUDES) $(OPT) -Wall -fdata-sections -ffunction-sections
|
||||||
|
|
||||||
|
ifeq ($(DEBUG), 1)
|
||||||
|
CFLAGS += -g -gdwarf-2
|
||||||
|
endif
|
||||||
|
|
||||||
|
|
||||||
|
# Generate dependency information
|
||||||
|
CFLAGS += -MMD -MP -MF"$(@:%.o=%.d)"
|
||||||
|
|
||||||
|
|
||||||
|
#######################################
|
||||||
|
# LDFLAGS
|
||||||
|
#######################################
|
||||||
|
# link script
|
||||||
|
LDSCRIPT = ../../../vendor/Ld/Link.ld
|
||||||
|
|
||||||
|
# libraries
|
||||||
|
LIBS = -lc -lm -lnosys ../../../vendor/StdPeriphDriver/libISP592.a
|
||||||
|
LIBDIR =
|
||||||
|
LDFLAGS = $(MCU) -mno-save-restore -fmessage-length=0 -fsigned-char -ffunction-sections -fdata-sections -Wunused -Wuninitialized -T $(LDSCRIPT) -nostartfiles -Xlinker --gc-sections -Wl,-Map=$(BUILD_DIR)/$(TARGET).map --specs=nano.specs $(LIBS)
|
||||||
|
|
||||||
|
# default action: build all
|
||||||
|
all: $(BUILD_DIR)/$(TARGET).elf $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).bin
|
||||||
|
|
||||||
|
|
||||||
|
#######################################
|
||||||
|
# build the application
|
||||||
|
#######################################
|
||||||
|
# list of objects
|
||||||
|
OBJECTS = $(addprefix $(BUILD_DIR)/,$(notdir $(C_SOURCES:.c=.o)))
|
||||||
|
vpath %.c $(sort $(dir $(C_SOURCES)))
|
||||||
|
|
||||||
|
# list of ASM program objects
|
||||||
|
OBJECTS += $(addprefix $(BUILD_DIR)/,$(notdir $(ASM_SOURCES:.S=.o)))
|
||||||
|
vpath %.S $(sort $(dir $(ASM_SOURCES)))
|
||||||
|
|
||||||
|
$(BUILD_DIR)/%.o: %.c Makefile | $(BUILD_DIR)
|
||||||
|
$(CC) -c $(CFLAGS) -Wa,-a,-ad,-alms=$(BUILD_DIR)/$(notdir $(<:.c=.lst)) $< -o $@
|
||||||
|
|
||||||
|
$(BUILD_DIR)/%.o: %.S Makefile | $(BUILD_DIR)
|
||||||
|
$(AS) -c $(CFLAGS) $< -o $@
|
||||||
|
#$(LUAOBJECTS) $(OBJECTS)
|
||||||
|
$(BUILD_DIR)/$(TARGET).elf: $(OBJECTS) Makefile
|
||||||
|
$(CC) $(OBJECTS) $(LDFLAGS) -o $@
|
||||||
|
$(SZ) $@
|
||||||
|
|
||||||
|
$(BUILD_DIR)/%.hex: $(BUILD_DIR)/%.elf | $(BUILD_DIR)
|
||||||
|
$(HEX) $< $@
|
||||||
|
|
||||||
|
$(BUILD_DIR)/%.bin: $(BUILD_DIR)/%.elf | $(BUILD_DIR)
|
||||||
|
$(BIN) $< $@
|
||||||
|
|
||||||
|
$(BUILD_DIR):
|
||||||
|
mkdir $@
|
||||||
|
|
||||||
|
#######################################
|
||||||
|
# Program
|
||||||
|
#######################################
|
||||||
|
|
||||||
|
isp: $(BUILD_DIR)/$(TARGET).bin
|
||||||
|
wchisp flash $(BUILD_DIR)/$(TARGET).bin
|
||||||
|
|
||||||
|
flash: $(BUILD_DIR)/$(TARGET).bin
|
||||||
|
wlink flash $(BUILD_DIR)/$(TARGET).bin
|
||||||
|
|
||||||
|
#######################################
|
||||||
|
# clean up
|
||||||
|
#######################################
|
||||||
|
clean:
|
||||||
|
-rm -fR $(BUILD_DIR)
|
||||||
|
|
||||||
|
#######################################
|
||||||
|
# dependencies
|
||||||
|
#######################################
|
||||||
|
-include $(wildcard $(BUILD_DIR)/*.d)
|
||||||
|
|
||||||
|
# *** EOF ***
|
||||||
32
myapps/practice/03-tmr-int/src/main.c
Normal file
32
myapps/practice/03-tmr-int/src/main.c
Normal file
|
|
@ -0,0 +1,32 @@
|
||||||
|
|
||||||
|
// LED: PA8 (active low)
|
||||||
|
|
||||||
|
#include "CH59x_common.h"
|
||||||
|
#include <stdbool.h>
|
||||||
|
|
||||||
|
__INTERRUPT
|
||||||
|
__HIGH_CODE
|
||||||
|
void TMR1_IRQHandler()
|
||||||
|
{
|
||||||
|
//
|
||||||
|
if (TMR1_GetITFlag(TMR0_3_IT_CYC_END)) {
|
||||||
|
GPIOA_InverseBits(GPIO_Pin_8);
|
||||||
|
TMR1_ClearITFlag(TMR0_3_IT_CYC_END);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
int main()
|
||||||
|
{
|
||||||
|
SetSysClock(CLK_SOURCE_PLL_60MHz);
|
||||||
|
|
||||||
|
GPIOA_SetBits(GPIO_Pin_8); // LED
|
||||||
|
GPIOA_ModeCfg(GPIO_Pin_8, GPIO_ModeOut_PP_5mA);
|
||||||
|
|
||||||
|
TMR1_TimerInit(30000000); // for 500ms
|
||||||
|
TMR1_ClearITFlag(TMR0_3_IT_CYC_END);
|
||||||
|
TMR1_ITCfg(true, TMR0_3_IT_CYC_END); //RB_TMR_IE_CYC_END, first bit
|
||||||
|
PFIC_EnableIRQ(TMR1_IRQn);
|
||||||
|
TMR1_Enable();
|
||||||
|
|
||||||
|
while (1);
|
||||||
|
}
|
||||||
166
myapps/practice/04-pwm/Makefile
Normal file
166
myapps/practice/04-pwm/Makefile
Normal file
|
|
@ -0,0 +1,166 @@
|
||||||
|
######################################
|
||||||
|
# target
|
||||||
|
######################################
|
||||||
|
TARGET = ch592_blinky
|
||||||
|
# ../../
|
||||||
|
|
||||||
|
|
||||||
|
######################################
|
||||||
|
# building variables
|
||||||
|
######################################
|
||||||
|
# debug build?
|
||||||
|
DEBUG = 1
|
||||||
|
# optimization for size
|
||||||
|
OPT = -Os
|
||||||
|
|
||||||
|
|
||||||
|
#######################################
|
||||||
|
# paths
|
||||||
|
#######################################
|
||||||
|
# Build path
|
||||||
|
BUILD_DIR = build
|
||||||
|
|
||||||
|
######################################
|
||||||
|
# source
|
||||||
|
######################################
|
||||||
|
# C sources
|
||||||
|
C_SOURCES = \
|
||||||
|
src/main.c \
|
||||||
|
../../../vendor/StdPeriphDriver/CH59x_clk.c \
|
||||||
|
../../../vendor/StdPeriphDriver/CH59x_gpio.c \
|
||||||
|
../../../vendor/StdPeriphDriver/CH59x_pwr.c \
|
||||||
|
../../../vendor/StdPeriphDriver/CH59x_sys.c \
|
||||||
|
../../../vendor/StdPeriphDriver/CH59x_timer1.c \
|
||||||
|
../../../vendor/RVMSIS/core_riscv.c \
|
||||||
|
|
||||||
|
|
||||||
|
# ASM sources
|
||||||
|
ASM_SOURCES = \
|
||||||
|
../../../vendor/Startup/startup_CH592.S
|
||||||
|
|
||||||
|
#######################################
|
||||||
|
# binaries
|
||||||
|
#######################################
|
||||||
|
#PREFIX = riscv-none-elf-
|
||||||
|
#PREFIX = riscv64-elf-
|
||||||
|
#debian
|
||||||
|
#PREFIX = riscv64-unknown-elf-
|
||||||
|
PREFIX = riscv-wch-elf-
|
||||||
|
|
||||||
|
CC = $(PREFIX)gcc
|
||||||
|
AS = $(PREFIX)gcc -x assembler-with-cpp
|
||||||
|
CP = $(PREFIX)objcopy
|
||||||
|
SZ = $(PREFIX)size
|
||||||
|
|
||||||
|
HEX = $(CP) -O ihex
|
||||||
|
BIN = $(CP) -O binary -S
|
||||||
|
|
||||||
|
#######################################
|
||||||
|
# CFLAGS
|
||||||
|
#######################################
|
||||||
|
# cpu
|
||||||
|
CPU = -march=rv32imac_zicsr -mabi=ilp32 -msmall-data-limit=8
|
||||||
|
|
||||||
|
# For gcc version less than v12
|
||||||
|
# CPU = -march=rv32imac -mabi=ilp32 -msmall-data-limit=8
|
||||||
|
|
||||||
|
# fpu
|
||||||
|
FPU =
|
||||||
|
|
||||||
|
# float-abi
|
||||||
|
FLOAT-ABI =
|
||||||
|
|
||||||
|
# mcu
|
||||||
|
MCU = $(CPU) $(FPU) $(FLOAT-ABI)
|
||||||
|
|
||||||
|
# AS includes
|
||||||
|
AS_INCLUDES =
|
||||||
|
|
||||||
|
# C includes
|
||||||
|
C_INCLUDES = \
|
||||||
|
-I../../../vendor/StdPeriphDriver/inc \
|
||||||
|
-I../../../vendor/RVMSIS \
|
||||||
|
-I../../../vendor/Core \
|
||||||
|
-Isrc/include
|
||||||
|
|
||||||
|
# compile gcc flags
|
||||||
|
ASFLAGS = $(MCU) $(AS_INCLUDES) $(OPT) -Wall -fdata-sections -ffunction-sections
|
||||||
|
|
||||||
|
CFLAGS = $(MCU) $(C_INCLUDES) $(OPT) -Wall -fdata-sections -ffunction-sections
|
||||||
|
|
||||||
|
ifeq ($(DEBUG), 1)
|
||||||
|
CFLAGS += -g -gdwarf-2
|
||||||
|
endif
|
||||||
|
|
||||||
|
|
||||||
|
# Generate dependency information
|
||||||
|
CFLAGS += -MMD -MP -MF"$(@:%.o=%.d)"
|
||||||
|
|
||||||
|
|
||||||
|
#######################################
|
||||||
|
# LDFLAGS
|
||||||
|
#######################################
|
||||||
|
# link script
|
||||||
|
LDSCRIPT = ../../../vendor/Ld/Link.ld
|
||||||
|
|
||||||
|
# libraries
|
||||||
|
LIBS = -lc -lm -lnosys ../../../vendor/StdPeriphDriver/libISP592.a
|
||||||
|
LIBDIR =
|
||||||
|
LDFLAGS = $(MCU) -mno-save-restore -fmessage-length=0 -fsigned-char -ffunction-sections -fdata-sections -Wunused -Wuninitialized -T $(LDSCRIPT) -nostartfiles -Xlinker --gc-sections -Wl,-Map=$(BUILD_DIR)/$(TARGET).map --specs=nano.specs $(LIBS)
|
||||||
|
|
||||||
|
# default action: build all
|
||||||
|
all: $(BUILD_DIR)/$(TARGET).elf $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).bin
|
||||||
|
|
||||||
|
|
||||||
|
#######################################
|
||||||
|
# build the application
|
||||||
|
#######################################
|
||||||
|
# list of objects
|
||||||
|
OBJECTS = $(addprefix $(BUILD_DIR)/,$(notdir $(C_SOURCES:.c=.o)))
|
||||||
|
vpath %.c $(sort $(dir $(C_SOURCES)))
|
||||||
|
|
||||||
|
# list of ASM program objects
|
||||||
|
OBJECTS += $(addprefix $(BUILD_DIR)/,$(notdir $(ASM_SOURCES:.S=.o)))
|
||||||
|
vpath %.S $(sort $(dir $(ASM_SOURCES)))
|
||||||
|
|
||||||
|
$(BUILD_DIR)/%.o: %.c Makefile | $(BUILD_DIR)
|
||||||
|
$(CC) -c $(CFLAGS) -Wa,-a,-ad,-alms=$(BUILD_DIR)/$(notdir $(<:.c=.lst)) $< -o $@
|
||||||
|
|
||||||
|
$(BUILD_DIR)/%.o: %.S Makefile | $(BUILD_DIR)
|
||||||
|
$(AS) -c $(CFLAGS) $< -o $@
|
||||||
|
#$(LUAOBJECTS) $(OBJECTS)
|
||||||
|
$(BUILD_DIR)/$(TARGET).elf: $(OBJECTS) Makefile
|
||||||
|
$(CC) $(OBJECTS) $(LDFLAGS) -o $@
|
||||||
|
$(SZ) $@
|
||||||
|
|
||||||
|
$(BUILD_DIR)/%.hex: $(BUILD_DIR)/%.elf | $(BUILD_DIR)
|
||||||
|
$(HEX) $< $@
|
||||||
|
|
||||||
|
$(BUILD_DIR)/%.bin: $(BUILD_DIR)/%.elf | $(BUILD_DIR)
|
||||||
|
$(BIN) $< $@
|
||||||
|
|
||||||
|
$(BUILD_DIR):
|
||||||
|
mkdir $@
|
||||||
|
|
||||||
|
#######################################
|
||||||
|
# Program
|
||||||
|
#######################################
|
||||||
|
|
||||||
|
isp: $(BUILD_DIR)/$(TARGET).bin
|
||||||
|
wchisp flash $(BUILD_DIR)/$(TARGET).bin
|
||||||
|
|
||||||
|
flash: $(BUILD_DIR)/$(TARGET).bin
|
||||||
|
wlink flash $(BUILD_DIR)/$(TARGET).bin
|
||||||
|
|
||||||
|
#######################################
|
||||||
|
# clean up
|
||||||
|
#######################################
|
||||||
|
clean:
|
||||||
|
-rm -fR $(BUILD_DIR)
|
||||||
|
|
||||||
|
#######################################
|
||||||
|
# dependencies
|
||||||
|
#######################################
|
||||||
|
-include $(wildcard $(BUILD_DIR)/*.d)
|
||||||
|
|
||||||
|
# *** EOF ***
|
||||||
61
myapps/practice/04-pwm/src/main.c
Normal file
61
myapps/practice/04-pwm/src/main.c
Normal file
|
|
@ -0,0 +1,61 @@
|
||||||
|
|
||||||
|
// TMR1/PWM1/CAP1: PA10 (active low)
|
||||||
|
|
||||||
|
#include "CH59x_common.h"
|
||||||
|
#include <stdbool.h>
|
||||||
|
|
||||||
|
#define PWM_FREQ 1000
|
||||||
|
#define PWM_PRD FREQ_SYS/PWM_FREQ
|
||||||
|
// 0 -> 60,000
|
||||||
|
#define PWM_STEP 600
|
||||||
|
// 600: 100 steps
|
||||||
|
#define DELAY_STEP 50
|
||||||
|
// 5 second fade in
|
||||||
|
|
||||||
|
int main()
|
||||||
|
{
|
||||||
|
int32_t d = 0;
|
||||||
|
bool rising = true;
|
||||||
|
|
||||||
|
SetSysClock(CLK_SOURCE_PLL_60MHz);
|
||||||
|
|
||||||
|
GPIOA_SetBits(GPIO_Pin_10); // PWM OUT
|
||||||
|
GPIOA_ModeCfg(GPIO_Pin_10, GPIO_ModeOut_PP_5mA);
|
||||||
|
|
||||||
|
TMR1_PWMInit(Low_Level, PWM_Times_1); // Note: PWMX_PolarTypeDef defined in CH58x_pwm.h
|
||||||
|
// Need to init before setting PWMCycleCfg & PWMActDataWidth
|
||||||
|
TMR1_PWMCycleCfg(PWM_PRD);
|
||||||
|
//TMR1_PWMActDataWidth(PWM_PRD*PWM_DUTY); // MAX value: TMR1_PWMCycleCfg above (for 100%)
|
||||||
|
TMR1_PWMActDataWidth(d); // MAX value: TMR1_PWMCycleCfg above (for 100%)
|
||||||
|
TMR1_PWMEnable(); // enables output pin, configured above
|
||||||
|
TMR1_Enable();
|
||||||
|
|
||||||
|
while (1) {
|
||||||
|
|
||||||
|
if (rising == true) {
|
||||||
|
|
||||||
|
DelayMs(DELAY_STEP);
|
||||||
|
d += PWM_STEP;
|
||||||
|
|
||||||
|
if (d == PWM_PRD)
|
||||||
|
rising = false;
|
||||||
|
|
||||||
|
TMR1_Disable();
|
||||||
|
TMR1_PWMActDataWidth(d);
|
||||||
|
TMR1_Enable();
|
||||||
|
|
||||||
|
} else {
|
||||||
|
|
||||||
|
DelayMs(DELAY_STEP);
|
||||||
|
d -= PWM_STEP;
|
||||||
|
|
||||||
|
if (d == 0)
|
||||||
|
rising = true;
|
||||||
|
|
||||||
|
TMR1_Disable();
|
||||||
|
TMR1_PWMActDataWidth(d);
|
||||||
|
TMR1_Enable();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
26
myapps/practice/04-pwm/src/main.c.fixedpulse
Normal file
26
myapps/practice/04-pwm/src/main.c.fixedpulse
Normal file
|
|
@ -0,0 +1,26 @@
|
||||||
|
|
||||||
|
// TMR1/PWM1/CAP1: PA10 (active low)
|
||||||
|
|
||||||
|
#include "CH59x_common.h"
|
||||||
|
|
||||||
|
#define PWM_FREQ 1000
|
||||||
|
#define PWM_PRD FREQ_SYS/PWM_FREQ
|
||||||
|
#define PWM_DUTY 0.20
|
||||||
|
|
||||||
|
int main()
|
||||||
|
{
|
||||||
|
SetSysClock(CLK_SOURCE_PLL_60MHz);
|
||||||
|
|
||||||
|
GPIOA_SetBits(GPIO_Pin_10); // PWM OUT
|
||||||
|
GPIOA_ModeCfg(GPIO_Pin_10, GPIO_ModeOut_PP_5mA);
|
||||||
|
|
||||||
|
TMR1_PWMInit(Low_Level, PWM_Times_1); // Note: PWMX_PolarTypeDef defined in CH58x_pwm.h
|
||||||
|
// Need to init before setting PWMCycleCfg & PWMActDataWidth
|
||||||
|
TMR1_PWMCycleCfg(PWM_PRD);
|
||||||
|
TMR1_PWMActDataWidth(PWM_PRD*PWM_DUTY); // MAX value: TMR1_PWMCycleCfg above (for 100%)
|
||||||
|
TMR1_PWMEnable(); // enables output pin, configured above
|
||||||
|
TMR1_Enable();
|
||||||
|
|
||||||
|
while (1);
|
||||||
|
|
||||||
|
}
|
||||||
166
myapps/practice/05-pwm-dma/Makefile
Normal file
166
myapps/practice/05-pwm-dma/Makefile
Normal file
|
|
@ -0,0 +1,166 @@
|
||||||
|
######################################
|
||||||
|
# target
|
||||||
|
######################################
|
||||||
|
TARGET = ch592_blinky
|
||||||
|
# ../../
|
||||||
|
|
||||||
|
|
||||||
|
######################################
|
||||||
|
# building variables
|
||||||
|
######################################
|
||||||
|
# debug build?
|
||||||
|
DEBUG = 1
|
||||||
|
# optimization for size
|
||||||
|
OPT = -Os
|
||||||
|
|
||||||
|
|
||||||
|
#######################################
|
||||||
|
# paths
|
||||||
|
#######################################
|
||||||
|
# Build path
|
||||||
|
BUILD_DIR = build
|
||||||
|
|
||||||
|
######################################
|
||||||
|
# source
|
||||||
|
######################################
|
||||||
|
# C sources
|
||||||
|
C_SOURCES = \
|
||||||
|
src/main.c \
|
||||||
|
../../../vendor/StdPeriphDriver/CH59x_clk.c \
|
||||||
|
../../../vendor/StdPeriphDriver/CH59x_gpio.c \
|
||||||
|
../../../vendor/StdPeriphDriver/CH59x_pwr.c \
|
||||||
|
../../../vendor/StdPeriphDriver/CH59x_sys.c \
|
||||||
|
../../../vendor/StdPeriphDriver/CH59x_timer1.c \
|
||||||
|
../../../vendor/RVMSIS/core_riscv.c \
|
||||||
|
|
||||||
|
|
||||||
|
# ASM sources
|
||||||
|
ASM_SOURCES = \
|
||||||
|
../../../vendor/Startup/startup_CH592.S
|
||||||
|
|
||||||
|
#######################################
|
||||||
|
# binaries
|
||||||
|
#######################################
|
||||||
|
#PREFIX = riscv-none-elf-
|
||||||
|
#PREFIX = riscv64-elf-
|
||||||
|
#debian
|
||||||
|
#PREFIX = riscv64-unknown-elf-
|
||||||
|
PREFIX = riscv-wch-elf-
|
||||||
|
|
||||||
|
CC = $(PREFIX)gcc
|
||||||
|
AS = $(PREFIX)gcc -x assembler-with-cpp
|
||||||
|
CP = $(PREFIX)objcopy
|
||||||
|
SZ = $(PREFIX)size
|
||||||
|
|
||||||
|
HEX = $(CP) -O ihex
|
||||||
|
BIN = $(CP) -O binary -S
|
||||||
|
|
||||||
|
#######################################
|
||||||
|
# CFLAGS
|
||||||
|
#######################################
|
||||||
|
# cpu
|
||||||
|
CPU = -march=rv32imac_zicsr -mabi=ilp32 -msmall-data-limit=8
|
||||||
|
|
||||||
|
# For gcc version less than v12
|
||||||
|
# CPU = -march=rv32imac -mabi=ilp32 -msmall-data-limit=8
|
||||||
|
|
||||||
|
# fpu
|
||||||
|
FPU =
|
||||||
|
|
||||||
|
# float-abi
|
||||||
|
FLOAT-ABI =
|
||||||
|
|
||||||
|
# mcu
|
||||||
|
MCU = $(CPU) $(FPU) $(FLOAT-ABI)
|
||||||
|
|
||||||
|
# AS includes
|
||||||
|
AS_INCLUDES =
|
||||||
|
|
||||||
|
# C includes
|
||||||
|
C_INCLUDES = \
|
||||||
|
-I../../../vendor/StdPeriphDriver/inc \
|
||||||
|
-I../../../vendor/RVMSIS \
|
||||||
|
-I../../../vendor/Core \
|
||||||
|
-Isrc/include
|
||||||
|
|
||||||
|
# compile gcc flags
|
||||||
|
ASFLAGS = $(MCU) $(AS_INCLUDES) $(OPT) -Wall -fdata-sections -ffunction-sections
|
||||||
|
|
||||||
|
CFLAGS = $(MCU) $(C_INCLUDES) $(OPT) -Wall -fdata-sections -ffunction-sections
|
||||||
|
|
||||||
|
ifeq ($(DEBUG), 1)
|
||||||
|
CFLAGS += -g -gdwarf-2
|
||||||
|
endif
|
||||||
|
|
||||||
|
|
||||||
|
# Generate dependency information
|
||||||
|
CFLAGS += -MMD -MP -MF"$(@:%.o=%.d)"
|
||||||
|
|
||||||
|
|
||||||
|
#######################################
|
||||||
|
# LDFLAGS
|
||||||
|
#######################################
|
||||||
|
# link script
|
||||||
|
LDSCRIPT = ../../../vendor/Ld/Link.ld
|
||||||
|
|
||||||
|
# libraries
|
||||||
|
LIBS = -lc -lm -lnosys ../../../vendor/StdPeriphDriver/libISP592.a
|
||||||
|
LIBDIR =
|
||||||
|
LDFLAGS = $(MCU) -mno-save-restore -fmessage-length=0 -fsigned-char -ffunction-sections -fdata-sections -Wunused -Wuninitialized -T $(LDSCRIPT) -nostartfiles -Xlinker --gc-sections -Wl,-Map=$(BUILD_DIR)/$(TARGET).map --specs=nano.specs $(LIBS)
|
||||||
|
|
||||||
|
# default action: build all
|
||||||
|
all: $(BUILD_DIR)/$(TARGET).elf $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).bin
|
||||||
|
|
||||||
|
|
||||||
|
#######################################
|
||||||
|
# build the application
|
||||||
|
#######################################
|
||||||
|
# list of objects
|
||||||
|
OBJECTS = $(addprefix $(BUILD_DIR)/,$(notdir $(C_SOURCES:.c=.o)))
|
||||||
|
vpath %.c $(sort $(dir $(C_SOURCES)))
|
||||||
|
|
||||||
|
# list of ASM program objects
|
||||||
|
OBJECTS += $(addprefix $(BUILD_DIR)/,$(notdir $(ASM_SOURCES:.S=.o)))
|
||||||
|
vpath %.S $(sort $(dir $(ASM_SOURCES)))
|
||||||
|
|
||||||
|
$(BUILD_DIR)/%.o: %.c Makefile | $(BUILD_DIR)
|
||||||
|
$(CC) -c $(CFLAGS) -Wa,-a,-ad,-alms=$(BUILD_DIR)/$(notdir $(<:.c=.lst)) $< -o $@
|
||||||
|
|
||||||
|
$(BUILD_DIR)/%.o: %.S Makefile | $(BUILD_DIR)
|
||||||
|
$(AS) -c $(CFLAGS) $< -o $@
|
||||||
|
#$(LUAOBJECTS) $(OBJECTS)
|
||||||
|
$(BUILD_DIR)/$(TARGET).elf: $(OBJECTS) Makefile
|
||||||
|
$(CC) $(OBJECTS) $(LDFLAGS) -o $@
|
||||||
|
$(SZ) $@
|
||||||
|
|
||||||
|
$(BUILD_DIR)/%.hex: $(BUILD_DIR)/%.elf | $(BUILD_DIR)
|
||||||
|
$(HEX) $< $@
|
||||||
|
|
||||||
|
$(BUILD_DIR)/%.bin: $(BUILD_DIR)/%.elf | $(BUILD_DIR)
|
||||||
|
$(BIN) $< $@
|
||||||
|
|
||||||
|
$(BUILD_DIR):
|
||||||
|
mkdir $@
|
||||||
|
|
||||||
|
#######################################
|
||||||
|
# Program
|
||||||
|
#######################################
|
||||||
|
|
||||||
|
isp: $(BUILD_DIR)/$(TARGET).bin
|
||||||
|
wchisp flash $(BUILD_DIR)/$(TARGET).bin
|
||||||
|
|
||||||
|
flash: $(BUILD_DIR)/$(TARGET).bin
|
||||||
|
wlink flash $(BUILD_DIR)/$(TARGET).bin
|
||||||
|
|
||||||
|
#######################################
|
||||||
|
# clean up
|
||||||
|
#######################################
|
||||||
|
clean:
|
||||||
|
-rm -fR $(BUILD_DIR)
|
||||||
|
|
||||||
|
#######################################
|
||||||
|
# dependencies
|
||||||
|
#######################################
|
||||||
|
-include $(wildcard $(BUILD_DIR)/*.d)
|
||||||
|
|
||||||
|
# *** EOF ***
|
||||||
49
myapps/practice/05-pwm-dma/src/main.c
Normal file
49
myapps/practice/05-pwm-dma/src/main.c
Normal file
|
|
@ -0,0 +1,49 @@
|
||||||
|
|
||||||
|
// TMR1/PWM1/CAP1: PA10 (active low)
|
||||||
|
|
||||||
|
#include "CH59x_common.h"
|
||||||
|
#include <stdbool.h>
|
||||||
|
|
||||||
|
#define PWM_FREQ 1000
|
||||||
|
#define PWM_PRD FREQ_SYS/PWM_FREQ
|
||||||
|
// 0 -> 60,000
|
||||||
|
#define PWM_STEP 240
|
||||||
|
// 125 steps
|
||||||
|
#define TABLE_SIZE 500
|
||||||
|
|
||||||
|
uint32_t step_table[TABLE_SIZE]; // need to use 32bit register to match 'FIFO' reg
|
||||||
|
|
||||||
|
void load_dma()
|
||||||
|
{
|
||||||
|
uint16_t i = 0;
|
||||||
|
for (uint32_t n = 0; n < PWM_PRD; n += PWM_STEP) {
|
||||||
|
step_table[i] = n;
|
||||||
|
i++;
|
||||||
|
}
|
||||||
|
for (uint32_t n = PWM_PRD; n > 0; n -= PWM_STEP) {
|
||||||
|
step_table[i] = n;
|
||||||
|
i++;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
int main()
|
||||||
|
{
|
||||||
|
|
||||||
|
SetSysClock(CLK_SOURCE_PLL_60MHz);
|
||||||
|
|
||||||
|
load_dma();
|
||||||
|
|
||||||
|
GPIOA_SetBits(GPIO_Pin_10); // PWM OUT
|
||||||
|
GPIOA_ModeCfg(GPIO_Pin_10, GPIO_ModeOut_PP_5mA);
|
||||||
|
|
||||||
|
TMR1_PWMInit(Low_Level, PWM_Times_8); // Note: PWMX_PolarTypeDef defined in CH58x_pwm.h
|
||||||
|
// Need to init before setting PWMCycleCfg & PWMActDataWidth
|
||||||
|
TMR1_DMACfg(ENABLE, (uint16_t)(uint32_t)step_table, (uint16_t)(uint32_t)&step_table[TABLE_SIZE], true);
|
||||||
|
TMR1_PWMCycleCfg(PWM_PRD);
|
||||||
|
TMR1_PWMActDataWidth(0); // MAX value: TMR1_PWMCycleCfg above (for 100%)
|
||||||
|
TMR1_PWMEnable(); // enables output pin, configured above
|
||||||
|
TMR1_Enable();
|
||||||
|
|
||||||
|
while (1);
|
||||||
|
|
||||||
|
}
|
||||||
Loading…
Add table
Add a link
Reference in a new issue