8266 執行./gen_misc.sh 通過管道實現默認輸入參數，不用手動選擇參數

在執行8266 ./gen_misc.sh 時，需要輸入一些字符來生成bin文件，如果每次都執行 ./gen_misc.sh 需要每次都輸入響應的字符，比較麻煩，
解決方法通過管道方式實現默認的輸入字符。

例如： ./gen_misc.sh文件

#!/bin/bash


:<<!
******NOTICE******
MUST set SDK_PATH & BIN_PATH firstly!!!
example:
export SDK_PATH=~/esp_iot_sdk_freertos
export BIN_PATH=~/esp8266_bin
!


export SDK_PATH=~/Share/ESP8266_RTOS_SDK
export BIN_PATH=~/Share/ESP8266_RTOS_SDK/bin


echo "gen_misc.sh version 20150911"
echo ""


if [ $SDK_PATH ]; then
    echo "SDK_PATH:"
    echo "$SDK_PATH"
    echo ""
else
    echo "ERROR: Please export SDK_PATH in gen_misc.sh firstly, exit!!!"
    exit
fi


if [ $BIN_PATH ]; then
    echo "BIN_PATH:"
    echo "$BIN_PATH"
    echo ""
else
    echo "ERROR: Please export BIN_PATH in gen_misc.sh firstly, exit!!!"
    exit
fi


echo "Please check SDK_PATH & BIN_PATH, enter (Y/y) to continue:"
read input


if [[ $input != Y ]] && [[ $input != y ]]; then
    exit
fi


echo ""


echo "Please follow below steps(1-5) to generate specific bin(s):"
echo "STEP 1: use boot_v1.2+ by default"
boot=new


echo "boot mode: $boot"
echo ""


echo "STEP 2: choose bin generate(0=eagle.flash.bin+eagle.irom0text.bin, 1=user1.bin, 2=user2.bin)"
echo "enter (0/1/2, default 0):"
read input


if [ -z "$input" ]; then
    if [ $boot != none ]; then
    boot=none
echo "ignore boot"
    fi
    app=0
    echo "generate bin: eagle.flash.bin+eagle.irom0text.bin"
elif [ $input == 1 ]; then
    if [ $boot == none ]; then
    app=0
echo "choose no boot before"
echo "generate bin: eagle.flash.bin+eagle.irom0text.bin"
    else
app=1
        echo "generate bin: user1.bin"
    fi
elif [ $input == 2 ]; then
    if [ $boot == none ]; then
    app=0
echo "choose no boot before"
echo "generate bin: eagle.flash.bin+eagle.irom0text.bin"
    else
    app=2
    echo "generate bin: user2.bin"
    fi
else
    if [ $boot != none ]; then
    boot=none
echo "ignore boot"
    fi
    app=0
    echo "generate bin: eagle.flash.bin+eagle.irom0text.bin"
fi


echo ""


echo "STEP 3: choose spi speed(0=20MHz, 1=26.7MHz, 2=40MHz, 3=80MHz)"
echo "enter (0/1/2/3, default 2):"
read input


if [ -z "$input" ]; then
    spi_speed=40
elif [ $input == 0 ]; then
    spi_speed=20
elif [ $input == 1 ]; then
    spi_speed=26.7
elif [ $input == 3 ]; then
    spi_speed=80
else
    spi_speed=40
fi


echo "spi speed: $spi_speed MHz"
echo ""


echo "STEP 4: choose spi mode(0=QIO, 1=QOUT, 2=DIO, 3=DOUT)"
echo "enter (0/1/2/3, default 0):"
read input


if [ -z "$input" ]; then
    spi_mode=QIO
elif [ $input == 1 ]; then
    spi_mode=QOUT
elif [ $input == 2 ]; then
    spi_mode=DIO
elif [ $input == 3 ]; then
    spi_mode=DOUT
else
    spi_mode=QIO
fi


echo "spi mode: $spi_mode"
echo ""


echo "STEP 5: choose spi size and map"
echo "    0= 512KB( 256KB+ 256KB)"
echo "    2=1024KB( 512KB+ 512KB)"
echo "    3=2048KB( 512KB+ 512KB)"
echo "    4=4096KB( 512KB+ 512KB)"
echo "    5=2048KB(1024KB+1024KB)"
echo "    6=4096KB(1024KB+1024KB)"
echo "enter (0/2/3/4/5/6, default 0):"
read input


if [ -z "$input" ]; then
    spi_size_map=0
    echo "spi size: 512KB"
    echo "spi ota map:  256KB + 256KB"
elif [ $input == 2 ]; then
    spi_size_map=2
    echo "spi size: 1024KB"
    echo "spi ota map:  512KB + 512KB"
elif [ $input == 3 ]; then
    spi_size_map=3
    echo "spi size: 2048KB"
    echo "spi ota map:  512KB + 512KB"
elif [ $input == 4 ]; then
    spi_size_map=4
    echo "spi size: 4096KB"
    echo "spi ota map:  512KB + 512KB"
elif [ $input == 5 ]; then
    spi_size_map=5
    echo "spi size: 2048KB"
    echo "spi ota map:  1024KB + 1024KB"
elif [ $input == 6 ]; then
    spi_size_map=6
    echo "spi size: 4096KB"
    echo "spi ota map:  1024KB + 1024KB"
else
    spi_size_map=0
    echo "spi size: 512KB"
    echo "spi ota map:  256KB + 256KB"
fi


echo ""


echo "start..."
echo ""


make clean


make BOOT=$boot APP=$app SPI_SPEED=$spi_speed SPI_MODE=$spi_mode SPI_SIZE_MAP=$spi_size_map

管道文件是：input.txt

y

1

2

0

0

執行命令：

esp8266@esp8266-VirtualBox:~/Share/project_template$ ./gen_misc.sh < input.txt

結果：

........

!!!
SDK_PATH: /home/esp8266/Share/ESP8266_RTOS_SDK
BIN_PATH: /home/esp8266/Share/ESP8266_RTOS_SDK/bin/upgrade


bin crc: 561931c0
Support boot_v1.4 and +
Generate user1.4096.new.6.bin successully in BIN_PATH
boot.bin------------>0x00000
user1.4096.new.6.bin--->0x01000
!!!
make: warning:  Clock skew detected.  Your build may be incomplete.