USART_01_PHONE.rar_USART_USART_01_PHONE.rar_phone_pic16f1937

#define _XTAL_FREQ 8000000 // Define Frequency 20.0 MHz for function __delay_ms #include <pic.h> // Include header file for MCU #include <htc.h> #include <stdio.h> #include "lcd3310_PIC.h" #include <string.h> #include <stdlib.h> //__CONFIG(HS & WDTDIS & LVPDIS); // Config. High speed clock,Disable watchdog and Disable LVP void receive_sms(unsigned char *sms) ; void send_sms(unsigned char *number,char * msg); void rs232_scan(unsigned char *tmp); void show_data(); void update_data(); char chk_msg(unsigned char *receive,unsigned char *number); unsigned char buf[161]="",len; void Delay_ms(unsigned int tick) { while(tick--) // Loop couter delay time { __delay_ms(1); // Delay 1 ms } } void usart_init_57600() { RCIE =0; // Disable receive interrupt GIE = 0; // Disable global interrupt PEIE =0; // Disables peripheral interrupts // Set buadrate 57600 bps SYNC = 0; BRGH = 1; BRG16 = 0; SPBRG = 0x08; SPBRGH = 0x00; TXEN = 1; // Enable transmition CREN = 1; // Enable reciption SPEN = 1; // Enable USART transmition/reciption RCIE =1; // Enable receive interrupt GIE = 1; // Enable global interrupt PEIE = 1; // Enables peripheral interrupts } void usart_init_9600() { RCIE =0; // Disable receive interrupt GIE = 0; // Disable global interrupt PEIE = 0; // Disables peripheral interrupts // Set buadrate 9600 bps SYNC = 0; BRGH = 1; BRG16 = 0; SPBRG = 0x33; SPBRGH = 0x00; TXEN = 1; // Enable transmition CREN = 1; // Enable reciption SPEN = 1; // Enable USART transmition/reciption RCIE =1; // Enable receive interrupt GIE = 1; // Enable global interrupt PEIE = 1; // Enables peripheral interrupts } void putchar(unsigned char c) { while(!TRMT); // Wait transmition ready TXREG = c; // Send byte } void usart_puts(unsigned char *s) { while(*s) // Loop for send string { putchar(*s++); // Send byte from string } } #define RX_BUFFER_SIZE 80 unsigned char rx_buffer[RX_BUFFER_SIZE]; unsigned char rx_wr_index,rx_rd_index,rx_counter,rx_buffer_overflow=0; void interrupt USART_RC_SERVICE(void) { if(RCIF) // Ensure check RCIF flag { char data; data=RCREG; rx_buffer[rx_wr_index]=data; if (++rx_wr_index == RX_BUFFER_SIZE) rx_wr_index=0; if (++rx_counter == RX_BUFFER_SIZE) { rx_counter=0; rx_buffer_overflow=1; }; } } unsigned char getchar() { char data; while (rx_counter==0); data=rx_buffer[rx_rd_index]; if (++rx_rd_index == RX_BUFFER_SIZE) rx_rd_index=0; GIE = 0; // disable global interrupt --rx_counter; GIE = 1; // enable global interrupt return data; } void clr_uart() { GIE = 0; // disable global interrupt rx_counter=0; rx_wr_index=0; rx_rd_index=0; GIE = 1; // enable global interrupt } unsigned int GetDataBuffer(char *buffer,unsigned int max_size) { unsigned int num_char; unsigned char character; num_char = 0; while(num_char < max_size) { character = getchar(); if(character == '\r'||character == '\n') break; *buffer = character; buffer++; num_char++; } *buffer='\0'; return num_char; } void main() { //-------OSCCON --- 8 MHz internal IRCF3=1; IRCF2=1; IRCF1=1; IRCF0=0; SCS1=1; //----------------- ANSELB=0x00; //when use port config to digital ANSELA=0x00; ANSELE=0x00; ANSELD=0x00; TRISB=0x00; // test portb to output PORTB=0x00; TRISA=0x01; unsigned char key; // Keep data reciption from keyboard unsigned char msg[64]="",status_msg; int i=0; unsigned char tmp[20],number[13]; RESET: initial_lcd(); clear_screen(); lcd_gotoxy(0,2); put_str("TEST"); //----- init 57600 usart_init_57600(); // Initial USART baudrate 57600 bps /* printf("ATE0"); putchar(13); //echo off clr_uart(); printf("AT"); putchar(13); GetDataBuffer(buf,160); printf("\n\r===%s",buf); // get ok from phone GetDataBuffer(buf,160); printf("\n\r===%s",buf); // get ok from phone GetDataBuffer(buf,160); printf("\n\r===%s",buf); // get ok from phone lcd_gotoxy(0,3); put_str(buf); if(buf[0]=='O'&&buf[1]=='K') { lcd_gotoxy(0,0); put_str("OK 57600"); printf("AT+IPR=9600"); putchar(13); } else { lcd_gotoxy(0,0); put_str("No"); } */ Delay_ms(3000); //----- init 9600 ----------------------- /* usart_init_9600(); // Initial USART baudrate 57600 bps printf("ATE0"); putchar(13); //echo clr_uart(); printf("AT"); putchar(13); GetDataBuffer(buf,160); // get ok from phone GetDataBuffer(buf,160); printf("\n\r===%s",buf); // get ok from phone GetDataBuffer(buf,160); printf("\n\r===%s",buf); // get ok from phone if(buf[0]=='O'&&buf[1]=='K') { lcd_gotoxy(0,1); put_str("OK 9600"); } else { lcd_gotoxy(0,1); put_str("No"); } lcd_gotoxy(0,0); printf("ATE0"); //echo putchar(13); // printf("AT+CNMI=3,2,0,0,0"); putchar(13); //Set message receiving mode as +CMTI: men, index printf("AT+CNMI=0,0,0,0,0"); putchar(13); //not notify printf("AT+CMGF=1"); putchar(13); //Set the text mode */ //------------------------------------- clear_screen(); printf("ATE0"); putchar(13); Delay_ms(100); //echo off printf("AT+CNMI=0,0,0,0,0"); putchar(13); Delay_ms(100); //not notify printf("AT+CMGF=1"); putchar(13); Delay_ms(100); //Set the text mode //------ start loop ------------------ while(1) // Infinite loop { status_msg=chk_msg(msg,number); if(status_msg=='Y') { lcd_gotoxy(0,0); put_str(number); lcd_gotoxy(0,1); put_str(msg); } lcd_gotoxy(0,4); lcd_putchar(status_msg); sprintf(tmp,"%3d",(i=(i++)%1000)); lcd_gotoxy(0,5); put_str(tmp); // printf("\n\r%s",buf); Delay_ms(1000); /* if(!(PORTA&0x01==1)) { send_sms("0868103694","TEST MSG 1234"); Delay_ms(3000); printf("ATD0868103694;"); putchar(13); Delay_ms(1000); // printf("yes\n\r"); } */ } } //--------------------------------------------------------------------------------- char chk_msg(unsigned char *receive,unsigned char *number) {unsigned char i,j,tmp[5]; int sms_index; // printf("ATE0"); putchar(13); Delay_ms(100); //echo off // printf("AT+CNMI=0,0,0,0,0"); putchar(13); Delay_ms(100); //not notify // printf("AT+CMGF=1"); putchar(13); Delay_ms(100); //Set the text mode clr_uart(); printf("AT+CMGL=\"REC UNREAD\""); putchar(13);// Delay_ms(500); len=GetDataBuffer(buf,160); // \r len=GetDataBuffer(buf,160); // \n len=GetDataBuffer(buf,160); // data if(strcmp(buf,"OK")==0) return 'O'; //return no new sms buf[5]='\0'; //+CMGL[\0]xxxxxxxxxxx if(strcmp(buf,"+CMGL")==0) { //---sms index if(buf[8]==','){ tmp[0]=buf[7]; tmp[1]='\0';} if(buf[9]==','){ tmp[0]=buf[7]; tmp[1]=buf[8]; tmp[2]='\0';} //---sms number j=0; for(i=0;i<50;i++) //find start of number { if(buf[i]==',') j++; if(j==2){ i++; break ; } } number[0]='+'; for(j=1;j<=11;j++) { number[j]=buf[j]; } number[j]='\0'; //---sms data getchar(); len=GetDataBuffer(buf,160); for(i=0;i<len;i++) receive[i]=buf[i]; receive[i]='\0'; sms_index=atoi(tmp); Delay_ms(500); printf("AT+CMGD=%d",sms_index); putchar(13); //delete sms return 'Y'; } return 'N'; } //-------------------------------------------------------------------