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来自 计算机编程 2019-12-07 01:38 的文章
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c1-求助,keil错误 C141: syntax error near 'unsigned&#

                
                int ReturnValue;
                lock (lockobj)
                {
                    ReturnValue = _ActUtlType.WriteDeviceBlock(AddressArray[k], lSize, m_write_data[k]);
                }

        }

// Function Prototypes
void check_busy;
void write_command(uchar com);
void write_data(uchar data);
void LCD_init;
void string(uchar ad ,uchar *s);
void lcd_test;
void delay;

    if (ReturnValue != 0卡塔尔(英语:State of Qatar)    //重回0,写入成功。
                {
                    throw new Exception("PC Left Write Data Error!");
                }
            }

 

// Display a string
void string(uchar ad, uchar *s)
{ write_command;
while
{ write_data;
delay;
}
}

            string[] AddressArray = new string[18] { "D720", "D721", "D722", "D723", "D724", "D725", "D726", "D727", "D728", "D729"
            ,"D730", "D731", "D732", "D733", "D734", "D735", "D736", "D737"};

 

// Delay
void delay
{ uchar i = 60;
for(; j>0; j--)
{ while;
i = 59;
while;
i = 60;
}
}

*        }*

if (com.IsOpen)

// Define new types
typedef unsigned char uchar;
typedef unsigned int uint;

 public void Data_Write_Value(int[] m_write_data)
        {
            int lSize = 2;

3:C# ASCII转字符及字符转ASCII

}

            for (int k = 0; k < m_write_data.Length; k )
            {

        }

void main
{ LCD_init();
while
{ string(0x80,"fire!");
string(0xC0," Proteus VSM");
delay;
write_command;
delay;

 

}
}

6:读PLC

// Test the Busy bit
void check_busy
{ do
{ DATA_BUS = 0xff;
E = 0;
RS = 0;
RW = 1;
E = 1;
__no_operation();
} while(DATA_BUS & 0x80);
E = 0;
}

private void btnWrite_Click(object sender, EventArgs e)

// Define P3 pins
#define DATA_BUS
#define RS
#define RW
#define E

 

// Initialize LCD controller
void LCD_init
{ write_command; // 8-bits, 2 lines, 7x5 dots
write_command; // no cursor, no blink, enable display
write_command; // auto-increment on
write_command; // clear screen
delay;
}

            string sReadCmd = Chr(2) "0119404" Chr(3) "66";
            com.Write(sReadCmd);
            //等待1秒钟
            System.Threading.Thread.Sleep(1000);
            // 从串口读数据
            byte[] data = new byte[1024];
            com.Read(data, 0, 1024);

/*******************************************
LCD1602 Driver mapped as IO peripheral
*******************************************/

        }

// Write a command
void write_command(uchar com)
{ check_busy();
E = 0;
RS = 0;
RW = 0;
DATA_BUS = com;
E = 1;
__no_operation();
E = 0;
delay;
}

                    this.txtRead0.Text = res.ToString() ",";
                }              
                
            }

// Write Data
void write_data(uchar data)
{ check_busy();
E= 0;
RS = 1;
RW = 0;
DATA_BUS = data;
E = 1;
__no_operation();
E= 0;
delay;

 

求助,keil错误 C141: syntax error near 'unsigned'
#include
//#include "REG51.h"
//#include "intrins.h"

            //在读PLC中的数据早前,必要头阵个指令给它,让它将数据发送到串口,上面包车型大巴字符串中,chr(2卡塔尔,chr(3卡塔尔(قطر‎为PLC命令的格式标记,0119384中,0意味读,1194意味D202的发端地址,04表示读D202,D203多少个字,共4个字节,66为0119404和chr(3卡塔尔(قطر‎的校验和,向串口写入"读"命令,其实和向plc地址中写入数据是同风华正茂的,只是未有数量,用0代表读

public static int Asc(string character)
        {
            if (character.Length == 1)
            {
                System.Text.ASCIIEncoding asciiEncoding = new System.Text.ASCIIEncoding();
                int intAsciiCode = (int)asciiEncoding.GetBytes(character)[0];
                return (intAsciiCode);
            }
            else
            {
                throw new Exception("Character is not valid.");
            }

        {

        }

原文:

           //要是第一人为2,则象征数占有效.这里有个难题,在第二次读,第3位才为'2',第一次又是第一人为2,需求再测量检验
            if (data[0]==2)
            {
                string sReceiveData = System.Text.Encoding.ASCII.GetString(data);
                //MessageBox.Show(sReceiveData);
               //剖析命令,将读到的字符拆解解析成数字,注意高未有的退换
                for (int i = 1; i < 8; i = 4)
                {
                    string sLow = sReceiveData.Substring(i,2);
                    string sHigh = sReceiveData.Substring(i 2, 2);
                    //int res = Convert.ToInt32(sHigh) Convert.ToInt32(sLow);
                    int res = Convert.ToInt32(sHigh,16) Convert.ToInt32(sLow,16);

com = new SerialPort("COM3", 9600, Parity.Even, 7, StopBits.One);

com.Open();

            MessageBox.Show(sWriteData);
c1-求助,keil错误 C141: syntax error near 'unsigned'彩世界开奖app官网。            //写入串口
            com.Write(sWriteData);
            //byte[] data = Encoding.ASCII.GetBytes(sWriteData);
            //com.Write(data,0,data.Length);

 private void btnRead_Click(object sender, EventArgs e)
        {
c1-求助,keil错误 C141: syntax error near 'unsigned'彩世界开奖app官网。           
            this.txtRead0.Clear();
            string sReadData = "";

if (com.IsOpen)

public static string Chr(int asciiCode)
        {
            if (asciiCode >= 0 && asciiCode <= 255)
            {
                System.Text.ASCIIEncoding asciiEncoding = new System.Text.ASCIIEncoding();
                byte[] byteArray = new byte[] { (byte)asciiCode };
                string strCharacter = asciiEncoding.GetString(byteArray);
                return (strCharacter);
            }
            else
            {
                throw new Exception("ASCII Code is not valid.");
            }

            return res;

            string res = sum.ToString("X");
            res = res.Substring(res.Length - 2, 2);

 

 {com.Close();}

1:串口初步化 

            string[] write = new string[] { "2","2"}; //将计划写入PLC的值
            //就要写入的值转变到16进制数,补齐四个字节,注意高低字节供给调换
            string sWriteData = "";
            for (int i = 0; i < write.Length; i )
            {
                int val = Convert.ToInt32(write[i].Length>0?write[i]:"0");
                string s = val.ToString("X");
                while (s.Length<4)
                {
                    s = "0" s;
                }
                sWriteData = s.Substring(2,2) s.Substring(0,2);
            }

4:写入串口的一声令下字符串的和校验

            MessageBox.Show(sWriteData);
            //写入命令,1意味着写入,1194意味D202以此地址的16进制,04表示D202,D203为4个BYTE,1194=(202*2卡塔尔(英语:State of Qatar) 4096的16进制数,至于用它意味着D202的发端地方,三菱(MITSUBISHI卡塔尔国有意要如此麻烦了.
            sWriteData = "1119404" sWriteData Chr(3);
            //chr(2卡塔尔(英语:State of Qatar)和chr(3卡塔尔(قطر‎是结合命令的评释字符,然后加中校验和,命令组织产生
            sWriteData = Chr(2) sWriteData SumCheck(sWriteData);

c1-求助,keil错误 C141: syntax error near 'unsigned'彩世界开奖app官网。2:打按钮闭串口

{ com.Close();}

 5:写入PLC

/// <summary>
        /// 和校验
        /// </summary>
        /// <param name="data"></param>
        /// <returns></returns>
        public string SumCheck(string data)
        {
            int sum = 0;
            for (int i = 0; i < data.Length; i )
            {
                sum = Asc(data.Substring(i, 1));
            }

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关键词: 错误 keil unsigned syntax