📄 modbus.c
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#include <reg52.h>
#include <intrins.h>
#include <string.h>
//*****************************类型定义******************************************
typedef unsigned char uchar;
typedef signed char schar;
typedef unsigned int uint;
typedef signed int sint;
typedef unsigned long ulong;
typedef signed long slong;
typedef float fb;
typedef double db;
//******************************主程序循环事件***********************************
#define SYSTEM_EVENT 0x01
#define MAIN_EVENT 0x02
#define DISPLAY_EVENT 0x03
#define KEY_EVENT 0x04
#define UART_EVENT 0x05
#define ALARM_EVENT 0x06
#define HANDLE_EVENT 0x07
//****************************LCD循环事件******************************************
#define MUNE_LCD 0x01
#define CHANNEL_LCD 0x02
#define ALARM_LCD 0x03
#define LANG_LCD 0x04
#define CHECK_LCD 0x05
#define SYSTEM_LCD 0x06
#define LOCK_LCD 0x07
#define INPUT_TYPE 0x08
#define INPUT_UNIT 0x09
#define PROG_DOWN 0x0a
#define PROG_UP 0x0b
#define SIGNAL_HANDLE 0x0c
#define ALARM_TYPE 0x10
#define ALARM_UP 0x11
#define UP_RETURN 0x12
#define ALARM_DOWN 0x13
#define DOWN_RETURN 0x14
#define MANY_CALI 0x20
#define ONE_CALI 0x21
#define TWO_CALI 0x22
#define THREE_CALI 0x23
#define FOUR_CALI 0x24
#define FIVE_CALI 0x25
#define SAX_CALI 0x26
#define SEVEN_CALI 0x27
#define EIGHT_CALI 0x28
#define NINE_CALI 0x29
#define PASSWORD 0x30
#define DIVCE_ADDR 0x31
#define UART_BAUD 0x32
#define CHANGE_TIME 0x33
#define UART_PROC 0x34
#define SHORT_ALARM 0x35
#define DOT_LCD 0x0d
#define OPEN_LOCK 0x50
#define TIMER_HIGHT 0xd8 // 定时器10MS
#define TIMER_LOW 0xef
//char xdata LcmPort _at_ 0x4000; // 液晶使能
char xdata HandlePort _at_ 0x4000; // 采集使能
char xdata ExternPort _at_ 0x6000; // 外部输入使能
char xdata LedPort _at_ 0x8000; // LED输出使能
char xdata LcdPort _at_ 0xc000; // 都不使能对液晶操作
char xdata Cs_Port _at_ 0xf800; // LCD全使能
char xdata Cs1_Port _at_ 0xe800; // CS1 使能
char xdata Cs2_Port _at_ 0xf000; // CS2 使能
//#define LcmEnable LcmPort
#define HandleEnable HandlePort
#define ExternEnable ExternPort
#define LedEnable LedPort
#define LcdEnable LcdPort
#define Cs_Enable Cs_Port
#define Cs1_Enable Cs1_Port
#define Cs2_Enable Cs2_Port
//****************************LCD状态定义*********************************************
#define DisplayOn 0x3f // 显示开
#define DisplayOff 0x3e // 显示关
#define YsetAdress 0x40 // Y地址设定
#define XsetAdress 0xb8 // X地址设定
#define LineAdress 0xc0 // 行地址设定
#define ReadBusy 0x80 // 读数据忙
#define ReadDispOff 0x20 // 读显示关
#define ReadReset 0x10 // 读复位
#define ReadStatus 0x80 // 读状态位
#define WriteData 0x10 // 写数据
#define ReadData 0x90 // 读数据
//****************************LCD的操作********************************************
#define LCD_CS2_BIT 0x01 // CS2 使能
#define LCD_CS1_BIT 0x02 // CS1 使能
#define LCD_RW_BIT 0x80 // R/W 使能
#define LCD_DI_BIT 0x10 // D/I 使能
#define READ_STATUS 0x01 // 读状态
#define READ_DATA 0x11 // 读显示数据
#define WRITE_DATA 0x10 // 写显示数据
#define WRITE_CMD 0x00 // 写指令
//#define LCD_READ_STATUS LcmEnable = READ_STATUS // 读状态
//#define LCD_READ_DATA LcmEnable = READ_DATA // 读显示数据
//#define LCD_WRITE_DATA LcmEnable = WRITE_DATA // 写显示数据
//#define LCD_WRITE_CMD LcmEnable = WRITE_CMD // 写指令
#define HADLE_CLK 0x08
#define HANDLE_CHANGE 0x04
#define SEND 0x10
#define AL_L 0x20
#define AL_H 0x40
#define GZ_A 0x80
#define ADC 0x01
#define ALARM_L HandleEnable =(alarm_uart_data | 0x20 )
#define NOALARM_L HandleEnable =(alarm_uart_data & 0xdf )
#define ALARM_H HandleEnable =(alarm_uart_data | 0x40 )
#define NOALARM_H HandleEnable =(alarm_uart_data & 0xbf )
#define ALARM_A HandleEnable =(alarm_uart_data | 0x80 )
#define NOALARM_A HandleEnable =(alarm_uart_data & 0x7f )
#define SEND_485 HandleEnable =(alarm_uart_data | 0x10 )
#define RECEIVE_485 HandleEnable =(alarm_uart_data & 0xef )
#define ADC_DATA_START HandleEnable =(alarm_uart_data & 0xfe )
#define ADC_DATA_STOP HandleEnable =(alarm_uart_data | 0x01 )
#define ALL_DATA_VAL 492
#define FIRST_DATA 64
#define ALL_DATA 30
#define ADC_A_H 3000
#define ADC_A_L 600
#define ADC_PT_H 3000
#define ADC_PT_L 1500
#define VALUE 10
#define BAUD_VALUE 28800
//************************************按键处理*************************************
#define MUTE 1 // 消音键
#define DOT 2 // 小数位
#define LEFT 3 // 左移
#define RIGHT 4 // 右移
#define UP 5 // 上移
#define DOWN 6 // 下移
#define SET 7
#define FLASH_TEST 8
#define FLASH_MUTE 9
#define FLASH_LED 10
#define SET_ENTER 11
#define NO 0
#define ADC_START 0x01
#define ADC_STOP 0x02
#define CHANGE_OK 0x04
#define ADC_ONE 0x08
#define ADC_ONE_RESALT 0x40
#define PT100_H 0x01
#define PT100_L 0x02
#define CURRENT_H 0x04
#define CURRENT_L 0x08
#define ALARM_GZ 0x10
#define CHANGE_DATA_OK 0x20
sbit SDA = P3^5;
sbit SCL = P3^4;
sbit BEEL= P3^3;
sbit MAX = P1^7;
//**********************************时间变量***********************
bit counter_500ms;
bit count_10ms;
bit count_1s;
bit count;
uchar xdata counter0;
uchar xdata counter1;
uchar xdata counter2;
uchar xdata counter3;
uchar xdata counter4;
//**********************************串口处理变量************************
bit baud_flag;
bit common_flag;
bit common;
bit uart_flag_save;
uchar xdata sendPosi;
uchar xdata sendCount;
uchar xdata receCount;
uchar xdata receTimeOut;
uchar xdata sendBuf[70];
uchar xdata receBuf[70];
uchar xdata xjb_buf[ALL_DATA_VAL];
uchar xdata databuf[FIRST_DATA];
uchar xdata alarm_uart_data;
uchar xdata uart_data_save;
uint xdata uart_addr_save;
//**************************************************ADC VAR
uint xdata x;
uchar xdata adc_flag;
uchar xdata alarm_flag;
uchar xdata counter;
uchar xdata adc_data_L;
uchar xdata adc_data_H;
uint xdata max_data[2];
uchar xdata yellow_flag;
uint xdata high_flag;
uint xdata low_flag;
uint xdata gz_flag;
uint xdata y;
uint xdata high_flag_copy;
uint xdata low_flag_copy;
uint xdata gz_flag_copy;
uint xdata y_copy;
sint xdata pt100_buf_L[16];
sint xdata pt100_buf_H[16];
//**************************************************LCD VAR
bit net_data;
bit lcd_lock;
bit english_china;
uchar xdata loop_dot;
uchar xdata l_cs ;
uchar xdata pstart[6];
uchar xdata lcd_first_one;
uchar xdata lcd_first_two;
uchar xdata lcd_first_three;
uint xdata lcd_first_seven;
uchar xdata lcd_first_nine;
uchar xdata lcd_first_ten;
uint xdata channel_data;
uint xdata alarm_data;
uint xdata cali_data;
uchar xdata loop;
uchar xdata loop_enter;
//********************************************************KEY
bit test_copy;
bit test;
bit mute;
bit led;
bit ap;
//**********************************************************函数***************
void delay(uchar xdata k);
void iicstart(void);
void initInt(void);
void beginSend(void);
void pt100_data(void);
void display_scan(void);
void display_comp(void);
void uart_all_save(void);
int char_int(uchar *pchar);
void eight_load_adc(void);
void readRegisters(void);
void CLRLCD(uchar number);
void system_initial(void);
void checkComm0Modbus(void);
void channel_china(uchar i);
void Lcd_Display_Data(void);
unsigned char scan_key(void);
void delayms(unsigned int j);
unsigned int start_adc(void);
void presetSingleRegister(void);
void int_char(int opt,char *pint);
void int_char(int opt,char *pint);
void presetMultipleRegisters(void);
void LCD_C_D(bit flag,uchar ldata);
void out_simuseri(uchar code channel);
void loop_data(uchar *ploop,uchar att);
void lcd_mode_english(unsigned char i);
void compose_data(uchar *pstr,uchar j);
uint crc16(uchar *puchMsg, uchar usDataLen);
void zero_data(uchar *pstr,uchar opt,uchar att);
void change_data(uint addr,uchar *pstr,uchar size);
void display_lcd(uchar x_add,uchar y_add,uchar code *ptr,uchar opt);
void nbyteRead(uint addr,uint size,uchar xdata *byte_data);
void nbyteWrite ( uint addr, uint size, uchar xdata *index);
void DrawString(uchar x_add,uchar y_add,uchar *str,uchar pra,uchar opt,uchar att);
void DrawString_F(uchar x_add,uchar y_add,uchar *str,uchar pra ,uchar att);
void display_Mainpageface(uchar x_add,uchar y_add,uchar code *ptr);
/* CRC 高位字节值表 */
const uint code auchCRCHi[] = {
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0,
0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0,
0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1,
0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1,
0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0,
0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40,
0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1,
0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0,
0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40,
0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0,
0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0,
0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0,
0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0,
0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40,
0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1,
0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0,
0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
} ;
/* CRC低位字节值表*/
const uint code auchCRCLo[] = {
0x00, 0xC0, 0xC1, 0x01, 0xC3, 0x03, 0x02, 0xC2, 0xC6, 0x06,
0x07, 0xC7, 0x05, 0xC5, 0xC4, 0x04, 0xCC, 0x0C, 0x0D, 0xCD,
0x0F, 0xCF, 0xCE, 0x0E, 0x0A, 0xCA, 0xCB, 0x0B, 0xC9, 0x09,
0x08, 0xC8, 0xD8, 0x18, 0x19, 0xD9, 0x1B, 0xDB, 0xDA, 0x1A,
0x1E, 0xDE, 0xDF, 0x1F, 0xDD, 0x1D, 0x1C, 0xDC, 0x14, 0xD4,
0xD5, 0x15, 0xD7, 0x17, 0x16, 0xD6, 0xD2, 0x12, 0x13, 0xD3,
0x11, 0xD1, 0xD0, 0x10, 0xF0, 0x30, 0x31, 0xF1, 0x33, 0xF3,
0xF2, 0x32, 0x36, 0xF6, 0xF7, 0x37, 0xF5, 0x35, 0x34, 0xF4,
0x3C, 0xFC, 0xFD, 0x3D, 0xFF, 0x3F, 0x3E, 0xFE, 0xFA, 0x3A,
0x3B, 0xFB, 0x39, 0xF9, 0xF8, 0x38, 0x28, 0xE8, 0xE9, 0x29,
0xEB, 0x2B, 0x2A, 0xEA, 0xEE, 0x2E, 0x2F, 0xEF, 0x2D, 0xED,
0xEC, 0x2C, 0xE4, 0x24, 0x25, 0xE5, 0x27, 0xE7, 0xE6, 0x26,
0x22, 0xE2, 0xE3, 0x23, 0xE1, 0x21, 0x20, 0xE0, 0xA0, 0x60,
0x61, 0xA1, 0x63, 0xA3, 0xA2, 0x62, 0x66, 0xA6, 0xA7, 0x67,
0xA5, 0x65, 0x64, 0xA4, 0x6C, 0xAC, 0xAD, 0x6D, 0xAF, 0x6F,
0x6E, 0xAE, 0xAA, 0x6A, 0x6B, 0xAB, 0x69, 0xA9, 0xA8, 0x68,
0x78, 0xB8, 0xB9, 0x79, 0xBB, 0x7B, 0x7A, 0xBA, 0xBE, 0x7E,
0x7F, 0xBF, 0x7D, 0xBD, 0xBC, 0x7C, 0xB4, 0x74, 0x75, 0xB5,
0x77, 0xB7, 0xB6, 0x76, 0x72, 0xB2, 0xB3, 0x73, 0xB1, 0x71,
0x70, 0xB0, 0x50, 0x90, 0x91, 0x51, 0x93, 0x53, 0x52, 0x92,
0x96, 0x56, 0x57, 0x97, 0x55, 0x95, 0x94, 0x54, 0x9C, 0x5C,
0x5D, 0x9D, 0x5F, 0x9F, 0x9E, 0x5E, 0x5A, 0x9A, 0x9B, 0x5B,
0x99, 0x59, 0x58, 0x98, 0x88, 0x48, 0x49, 0x89, 0x4B, 0x8B,
0x8A, 0x4A, 0x4E, 0x8E, 0x8F, 0x4F, 0x8D, 0x4D, 0x4C, 0x8C,
0x44, 0x84, 0x85, 0x45, 0x87, 0x47, 0x46, 0x86, 0x82, 0x42,
0x43, 0x83, 0x41, 0x81, 0x80, 0x40,
} ;
/*------------------------------------------------------------------------------
宽×高（像素）: 8x16
------------------------------------------------------------------------------*/
uchar code ASC_MSK[96*16] = {
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /*-- --*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0xF8,0x00,0x00,0x00,0x00, /*-- ! --*/
0x00,0x00,0x00,0x33,0x30,0x00,0x00,0x00,
0x00,0x10,0x0C,0x06,0x10,0x0C,0x06,0x00, /*-- " --*/
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