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#!/usr/bin/make -f
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# Makefile for SDCC project with automatic library discovery
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CC = sdcc
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CFLAGS = --model-medium --opt-code-size
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# 定义库名称（只需要在这里添加）
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LIBRARIES = User System
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# 单片机型号
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MCU = STC8G1K08A
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# 串口设备
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SERIAL_PORT = /dev/ttyUSB0
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# 生成包含目录路径
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INCLUDES = $(foreach lib, $(LIBRARIES), -I $(lib)/Inc)
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# 查找所有源文件
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SRCS = $(foreach lib, $(LIBRARIES), $(wildcard $(lib)/Src/*.c))
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# 获取所有.c文件的基本名称（用于检查重名）
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BASENAMES = $(foreach src, $(SRCS), $(notdir $(src)))
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# 检查是否有重复的源文件名
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DUPLICATES = $(filter $(words $(BASENAMES)),$(words $(sort $(BASENAMES))))
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ifneq ($(DUPLICATES),$(words $(BASENAMES)))
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    $(warning 警告: 发现重复的源文件名！)
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    $(warning 重复文件: $(foreach base,$(sort $(foreach b,$(BASENAMES),$(if $(filter 2,$(words $(filter $(b),$(BASENAMES)))),$(b)))),$(base)))
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endif
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# 生成对象文件列表（保持目录结构）
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OBJS = $(patsubst %.c,%.rel,$(SRCS))
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# 项目名称
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TARGET = pwm
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# 构建目录
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BUILD_DIR = build
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# 将对象文件放在build目录中
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OBJS_BUILD = $(patsubst %.rel,$(BUILD_DIR)/%.rel,$(OBJS))
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# 默认目标：构建并生成报告
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all: check_libs $(BUILD_DIR) $(BUILD_DIR)/report
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  @echo "构建完成: $(BUILD_DIR)/$(TARGET).hex"
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# 检查库目录是否存在
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check_libs:
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  @for lib in $(LIBRARIES); do \
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    if [ ! -d "$$lib/Inc" ] || [ ! -d "$$lib/Src" ]; then \
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      echo "错误: 库 $$lib 结构不正确！需要 $$lib/Inc 和 $$lib/Src 目录"; \
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      exit 1; \
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    fi; \
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  done
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# 创建构建目录
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$(BUILD_DIR):
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  @mkdir -p $(BUILD_DIR)
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# 编译规则：所有.c文件 -> build/目录下的.rel文件
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$(BUILD_DIR)/%.rel: %.c
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  @echo "编译: $<"
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  @mkdir -p $(dir $@)
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  @$(CC) -c $(CFLAGS) $(INCLUDES) $< -o $@ 2>&1 | head -20
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# 链接
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$(BUILD_DIR)/$(TARGET).ihx: $(OBJS_BUILD)
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  @echo "链接: $(words $(OBJS_BUILD)) 个对象文件..."
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  @cd $(BUILD_DIR) && $(CC) $(CFLAGS) $(patsubst $(BUILD_DIR)/%,%,$(OBJS_BUILD)) -o $(TARGET).ihx
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# 生成HEX
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$(BUILD_DIR)/$(TARGET).hex: $(BUILD_DIR)/$(TARGET).ihx
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  @echo "生成HEX文件..."
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  @cd $(BUILD_DIR) && packihx $(TARGET).ihx > $(TARGET).hex
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 # report: 调用外部脚本解析 map 并打印报告
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 $(BUILD_DIR)/report: $(BUILD_DIR)/$(TARGET).hex
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  @echo "生成资源使用报告..."
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  @sh scripts/map_report.sh $(BUILD_DIR)/$(TARGET).map || true
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# 下载到单片机
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flash: $(BUILD_DIR)/$(TARGET).hex
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  @echo "下载到 $(MCU) via $(SERIAL_PORT)..."
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  stcgal -p $(SERIAL_PORT) -t 22168 -o program_eeprom_split=12288 -a $(BUILD_DIR)/$(TARGET).hex
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# 编译但不链接（调试用）
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compile: $(OBJS_BUILD)
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  @echo "编译完成，生成 $(words $(OBJS_BUILD)) 个.rel文件"
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# 显示项目信息
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info:
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  @echo "========================================"
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  @echo "项目: $(TARGET)"
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  @echo "编译器: $(CC)"
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  @echo "库列表: $(LIBRARIES)"
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  @echo "包含目录: $(INCLUDES)"
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  @echo "源文件 ($(words $(SRCS)) 个):"
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  @for src in $(sort $(SRCS)); do echo "  $$src"; done
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  @echo "对象文件 ($(words $(OBJS_BUILD)) 个):"
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  @for obj in $(sort $(OBJS_BUILD)); do echo "  $$obj"; done
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  @echo "构建目录: $(BUILD_DIR)"
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  @echo "========================================"
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# 清理
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clean:
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  @echo "清理构建文件..."
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  @rm -rf $(BUILD_DIR)
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  @rm -f *.ihx *.hex *.rel *.lk *.map *.mem *.rst *.asm *.lst *.sym *.cdb
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# 帮助信息
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help:
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  @echo "可用命令:"
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  @echo "  make           - 构建整个项目"
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  @echo "  make clean     - 清理所有生成文件"
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  @echo "  make flash     - 下载到单片机"
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  @echo "  make info      - 显示项目信息"
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  @echo "  make compile   - 只编译不链接"
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  @echo "  make help      - 显示此帮助信息"
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.PHONY: all clean flash info help check_libs compile tidy

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#!/bin/sh
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# Enhanced map report for SDCC projects
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# Usage: map_report.sh <map-file> [ROM_TOTAL_BYTES] [RAM_TOTAL_BYTES]
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# If ROM_TOTAL_BYTES / RAM_TOTAL_BYTES are not provided, script tries to
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#  - read a companion .mem file (same base name) for ROM total
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#  - otherwise falls back to defaults: ROM=8k+4k (12288), RAM=1k+256 (1280)
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MAPFILE="$1"
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ROM_OVERRIDE="$2"
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RAM_OVERRIDE="$3"
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if [ -z "$MAPFILE" ] || [ ! -f "$MAPFILE" ]; then
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    echo "map 报告: 未提供 map 文件 或 文件不存在: $MAPFILE"
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    exit 0
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fi
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hex2dec() {
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    [ -z "$1" ] && echo 0 && return
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    # accept 0x... or bare hex (without 0x)
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    case "$1" in
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        0x*|0X*) printf "%d" "$1" ;;
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        *) printf "%d" "0x$1" ;;
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    esac
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}
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# Try to extract code/const/idata/pdata/xdata sizes from map file.
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# We look for sections by name and take the "Size" column where possible.
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CSEG_START_HEX=$(awk '/^[[:space:]]*CSEG[[:space:]]+[0-9A-Fa-f]/ {print $2; exit}' "$MAPFILE" | sed 's/0x//g')
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CSEG_HEX=$(awk '/^[[:space:]]*CSEG[[:space:]]+[0-9A-Fa-f]/ {print $3; exit}' "$MAPFILE" | sed 's/0x//g')
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CONST_HEX=$(awk '/^[[:space:]]*CONST[[:space:]]+[0-9A-Fa-f]/ {print $3; exit}' "$MAPFILE" | sed 's/0x//g')
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DSEG_HEX=$(awk '/^[[:space:]]*DSEG[[:space:]]+[0-9A-Fa-f]/ {print $3; exit}' "$MAPFILE" | sed 's/0x//g')
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PSEG_HEX=$(awk '/^[[:space:]]*PSEG[[:space:]]+[0-9A-Fa-f]/ {print $3; exit}' "$MAPFILE" | sed 's/0x//g')
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XSEG_HEX=$(awk '/^[[:space:]]*XSEG[[:space:]]+[0-9A-Fa-f]/ {print $3; exit}' "$MAPFILE" | sed 's/0x//g')
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CSEG=$(hex2dec "$CSEG_HEX")
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CONST=$(hex2dec "$CONST_HEX")
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DSEG=$(hex2dec "$DSEG_HEX")
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PSEG=$(hex2dec "$PSEG_HEX")
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XSEG=$(hex2dec "$XSEG_HEX")
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USED_ROM=$((CSEG + CONST))
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USED_RAM=$((DSEG + PSEG + XSEG))
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# compute CSEG end for module delta calc
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CSEG_START=$(hex2dec "$CSEG_START_HEX")
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CSEG_END=$((CSEG_START + CSEG))
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# Determine total ROM (flash) size: prefer override arg, then companion .mem file, then default
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DEFAULT_ROM=$((8*1024 + 4*1024))
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DEFAULT_RAM=$((1*1024 + 256))
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ROM_TOTAL=""
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if [ -n "$ROM_OVERRIDE" ]; then
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    ROM_TOTAL="$ROM_OVERRIDE"
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else
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    MEMFILE="${MAPFILE%.map}.mem"
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    if [ -f "$MEMFILE" ]; then
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        # Look for line like: ROM/EPROM/FLASH  0x0000   0x1e73    7796    65536
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        ROM_TOTAL=$(awk '/ROM\/EPROM\/FLASH/ {print $(NF-1); exit}' "$MEMFILE")
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    fi
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fi
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if [ -z "$ROM_TOTAL" ]; then
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    ROM_TOTAL=$DEFAULT_ROM
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fi
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RAM_TOTAL=""
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if [ -n "$RAM_OVERRIDE" ]; then
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    RAM_TOTAL="$RAM_OVERRIDE"
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else
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    # try to read some RAM hints from .mem (not always present)
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    MEMFILE="${MAPFILE%.map}.mem"
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    if [ -f "$MEMFILE" ]; then
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        # try to find a line like: PAGED EXT. RAM   0x0001   0x00ba     186      256
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        RAM_TOTAL=$(awk '/PAGED EXT. RAM|EXTERNAL RAM|Internal RAM layout:/ {line=NR} END{ if (line) { for(i=1;i<=NR;i++){} } }' "$MEMFILE")
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        # above attempt is conservative; we won't rely on it — fallback to default if empty
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        RAM_TOTAL=""
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    fi
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fi
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if [ -z "$RAM_TOTAL" ]; then
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    RAM_TOTAL=$DEFAULT_RAM
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fi
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# Print summary with percentages
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percent() {
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    # percent <used> <total>
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    awk "BEGIN{ if ($2==0) printf \"N/A\"; else printf \"%.1f\", ($1/$2)*100 }"
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}
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echo "Map 报告: $MAPFILE"
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echo "----------------------------------------"
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echo "ROM 总量: $ROM_TOTAL bytes"
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echo "ROM 已用: $USED_ROM bytes (code=$CSEG const=$CONST)"
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echo "ROM 使用率: $(percent $USED_ROM $ROM_TOTAL)%"
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echo ""
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echo "RAM 总量: $RAM_TOTAL bytes"
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echo "RAM 已用: $USED_RAM bytes (idata=$DSEG pdata=$PSEG xdata=$XSEG)"
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echo "RAM 使用率: $(percent $USED_RAM $RAM_TOTAL)%"
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echo "----------------------------------------"
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# Top modules by C: entries (module name after C:)
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# We'll convert the hex sizes to decimal using shell helper then aggregate with awk.
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TMPFILE="/tmp/map_report.$$"
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rm -f "$TMPFILE"
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# Build a sorted list of symbol addresses and their module
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awk '/^ *C:/ { addr=$2; sym=$3; mod=$NF; if (addr!="" && sym!="") print addr, sym, mod }' "$MAPFILE" | sed 's/\.rel//; s/\.o//; s/\.obj//' | \
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while read HEX SYM MOD; do
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    [ -z "$HEX" -o -z "$SYM" ] && continue
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    DEC=$(hex2dec "$HEX")
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    printf "%d %s %s\n" "$DEC" "$SYM" "$MOD" >> "$TMPFILE"
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done
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if [ -f "$TMPFILE" ]; then
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    SORTED="/tmp/map_report_sorted.$$"
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    sort -n "$TMPFILE" > "$SORTED"
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    # compute deltas between consecutive symbols and attribute delta to the symbol (function)
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    # SORTED format: <addr> <symbol> <module>
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    SYMBOL_SIZES="/tmp/map_report_sym_sizes.$$"
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    awk -v cseg_end="$CSEG_END" '
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    { addr[NR]=$1; sym[NR]=$2; mod[NR]=$3 }
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    END {
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        for(i=1;i<=NR;i++) {
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            if (i<NR) delta = addr[i+1]-addr[i]; else delta = cseg_end - addr[i];
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            if (delta<0) delta=0;
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            printf "%d %s %s\n", delta, sym[i], mod[i];
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        }
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    }' "$SORTED" > "$SYMBOL_SIZES"
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    echo "Top 20 函数（按占用字节）:"
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    # Print header with tabs, then nicely aligned rows: Rank, Bytes, Function, Module
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    printf "%-4s\t%8s\t%-30s\t%s\n" "#" "Bytes" "Function" "Module"
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    sort -nr "$SYMBOL_SIZES" | head -n 20 | awk 'BEGIN{rank=0} {rank++; printf "%-4d\t%8d\t%-30s\t%s\n", rank, $1, $2, $3}'
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    rm -f "$SYMBOL_SIZES"
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    rm -f "$TMPFILE" "$SORTED"
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fi
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exit 0