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PIC to MAX232
- Thread starter R!f@@
- Start date
Thanks...I will check it though.
@jayanthd Thanks
I will go home around 10 pm
Like to ask regarding extracting the numerical value "18" from "+CSQ: 18.0", and save to do the calculation, is it simple ?
In the Port Tab if the open button is already pressed then unpress it and select COM port and baudrate and then press it to open port.
In Send Tab there are 2 +CR and 2 +LF because there are two text boxes to send data (numbers or ascii)
If you use the first text box then use the upper +CR and +LF check boxes.
As you have to send ascii data you have to click the "Send Ascii" button
Example
You have to enter
AT and then press send ascii button.
In Send Tab there are 2 +CR and 2 +LF because there are two text boxes to send data (numbers or ascii)
If you use the first text box then use the upper +CR and +LF check boxes.
As you have to send ascii data you have to click the "Send Ascii" button
Example
You have to enter
AT and then press send ascii button.
atoi
https://download.mikroe.com/documents/compilers/mikroc/pic/help/ansi_stdlib_library.htm
or example
char num[] = "18";
value = (num[0]-48)*10 + num[1]-48;
with some exceptions..
First Image
1. Not Registered on Network
2. SIM Removed
Second Image
Network strength is 99, means no network
Third Image
Registered on Network and SIM ready
Fourth Image
Signal strength is "15" - The data which needs to be extracted.
5th is Not necessary is below. Just AT commands to issue TEXT mode and to clear SMS received just in case
6 th I forgot.
It Needs to Hang up if any call comes in
This terminal prog explains a lotta thing that I didn't know that happened.
PS.."ATE0 is not issued here. So ATE1 is default
1. Not Registered on Network
2. SIM Removed
Second Image
Network strength is 99, means no network
Third Image
Registered on Network and SIM ready
Fourth Image
Signal strength is "15" - The data which needs to be extracted.
5th is Not necessary is below. Just AT commands to issue TEXT mode and to clear SMS received just in case
6 th I forgot.
It Needs to Hang up if any call comes in
This terminal prog explains a lotta thing that I didn't know that happened.
PS.."ATE0 is not issued here. So ATE1 is default
Now I will write the code.
In
"+COPS: 0,2,47201
47201 is the network ID ?
Mention your Wavecom modem name. I will check its datasheet.
Explain how do you send AT commands from PIC to Modem. I know you will use UART but to get responses you have to send AT commands and I want to know when and in what sequence you issue the different AT Commands. Code is almost complete. Just have to arrange the instructions in the code.
In
"+COPS: 0,2,47201
47201 is the network ID ?
Mention your Wavecom modem name. I will check its datasheet.
Explain how do you send AT commands from PIC to Modem. I know you will use UART but to get responses you have to send AT commands and I want to know when and in what sequence you issue the different AT Commands. Code is almost complete. Just have to arrange the instructions in the code.
Last edited:
47201 is network ID.
From that I set flag and display to LCD
This is what I am working at this moment.
I was stuck at "+COPS: 0" before
Now It is parsing to "+COPS: 0" fine and LCD shows that but it now it is not going beyond that...
From that I set flag and display to LCD
C:
const char ATC0[] = "AT"; // Checking Response (Just OK)
const char ATC1[] = "ATE0"; // Dissable Echo (Just is OK)
const char ATC2[] = "AT+CMGF=1"; // Change to Text mode (Just is OK)
const char ATC3[] = "AT+CSQ"; // Read the RX strength (+CSQ: xx,xx & OK)
const char ATC4[] = "AT+COPS?"; // SIM Registeration (+COPS: x,x,xxxxx & OK)
const char ATC5[] = "AT+CPIN?"; // SIM Status (+CPIN: READY)
const char ATC6[] = "AT+CMGD=1,4"; // Delete All SMS (Just is OK after 10 sec)
void Send2Modem(const char *s){
while(*s){
UART1_Write(*s++); // Send Command via UART
}
UART1_Write(0x0D); // CR - Carriage Return, 13 in decimal('\r')
UART1_Write(0x0A); // LF - Line feed, 10 in decimal ('\n')
//UART1_Write(0x1A); // CTRL+Z End Character - Decimal 26
}
while(1){
while(Init_Modem_Flag){
Modem_Init();
}
if(Get_Response() == GSM_OK)break; // OK
Send2Modem(ATC5);
Wait();
if(Get_Response() == ERROR) // AT+CPIN?
Lcd_Out(3,9,Const2Ram(String,MSLD10)); // "Detecting!";
Send2Modem(ATC4);
Wait();
if(Get_Response() == GSM_ERROR) // +COPS: 0
Lcd_Out(4,9,Const2Ram(String,MSLD11)); //"Registering!";
if(Get_Response() == GSM_DhiMobile) // +COPS: 0,2,47201
Lcd_Out(4,9,Const2Ram(String,MSLD08)); //"DhiMobile";
if(Get_Response() == GSM_Ooredoo) // +COPS: 0,2,47202
Lcd_Out(4,9,Const2Ram(String,MSLD09)); //"Ooredoo";
/*
if(response_rcvd){
response_rcvd = 0;
switch(responseID){
case GSM_OK : break;
case GSM_ERROR :{
}
case GSM_DhiMobile:{
Lcd_Out(4,9,Const2Ram(String,MSLD08));
}
case GSM_Ooredoo : break;
case SIM_READY :{
Lcd_Out(3,9,Const2Ram(String,MSLD05));
}
case ERROR : break;
default :{ // Do Nothing
}
}
} */
}
}
void interrupt(){
if(INTCON.T0IF){
INTCON.T0IF = 0;
// BLAAAAAAAAH:
}
if(CCP1IE_bit){
if(CCP1IF_bit){
CCP1IF_bit = 0;
// More BLAAAAAAH;
}
}
//******************************************************************************
if(RCIE_bit){ // If RX Interrupt enabled
if(RCIF_bit){ // and If RX Interrupt occured
Uart_Read = UART1_Read(); // Get received byte
// Processing reception through state machine
// We are parsing only 'OK', 'ERROR', '+CSQ: XX,XX', '+COPS: 0,2,4720(1or2)' \
'+CPIN: READY' responses
switch(gsm_state){
case 0: {
response = -1; // clear response
if(Uart_Read == 'O') // we have 'O', it could be "OK"
gsm_state = 1; // expecting 'K'
if(Uart_Read == 'E') // we have 'E', it could be "ERROR"
gsm_state = 2; // expecting 'R'
if(Uart_Read == '+') // we have '+', it could be "CSQ,COPS or CPIN"
gsm_state = 6; // expecting 'C'
break;
}
case 1:{ // OK
if(Uart_Read == 'K'){ // we have 'K' ->
response = GSM_OK; // we have "OK" response
gsm_state = 253; // expecting CR+LF
}
else
gsm_state = 0; // reset state machine
break;
}
case 2:{ // ER
if(Uart_Read == 'R') // we have 'R', it could be "ERROR"
gsm_state = 3; // expecting 'R'
else
gsm_state = 0; // reset state machine
break;
}
case 3:{ // ERR
if(Uart_Read == 'R') // we have 'R', it could be "ERROR"
gsm_state = 4; // expecting 'O'
else
gsm_state = 0; // reset state machine
break;
}
case 4:{ // ERRO
if(Uart_Read == 'O') // we have 'O', it could be "ERROR"
gsm_state = 5; // expecting 'R'
else
gsm_state = 0; // reset state machine
break;
}
case 5:{ // ERROR
if(Uart_Read == 'R'){ // we have 'R',
response = ERROR; // we have "ERROR" response
gsm_state = 253; // expecting CR+LF
}
else
gsm_state = 0; // reset state machine
break;
}
case 6:{ // +C
if(Uart_Read == 'C') // we have 'C', it could be "CSQ,COPS or CPIN"
gsm_state = 7; // expecting 'S or O or P'
else
gsm_state = 0; // reset state machine
break;
}
case 7:{ // +CO or +CP or +CS
if(Uart_Read == 'O') // Iff we have 'O', it could be "COPS"
gsm_state = 8; // expecting 'P'
else if(Uart_Read == 'P') // Iff we have 'P', it could be "CPIN"
gsm_state = 99; // expecting 'I'
else if(Uart_Read == 'S') // Iff we have 'S', it could be "CSQ"
gsm_state = 100; // expecting 'Q'
else
gsm_state = 0; // reset state machine
break;
}
case 8:{ // +COP
if(Uart_Read == 'P') // we have 'P', it could be "COPS"
gsm_state = 9; // expecting 'S'
else
gsm_state = 0; // reset state machine
break;
}
case 9:{ // +COPS
if(Uart_Read == 'S') // we have 'S', it could be "+COPS: 0,2,4720x
gsm_state = 10; // expecting ':'
else
gsm_state = 0; // reset state machine
break;
}
case 10:{ // +COPS:
if(Uart_Read == ':') //we have ':', it could be +COPS: 0,2,4720x
gsm_state = 11; // expecting ' '
else
gsm_state = 0; // reset state machine
break;
}
case 11:{ // +COPS:_
if(Uart_Read == 0x20) //we have ' ', it could be +COPS: 0,2,4720x
gsm_state = 12; // expecting '0'
else
gsm_state = 0; // reset state machine
break;
}
case 12:{ // +COPS: 0 ( ONLY )
if(Uart_Read == '0') //we have '0', it could be +COPS: 0,2,4720x
gsm_state = 13; // expecting ',' or 'CR'
else
gsm_state = 0; // reset state machine
break;
}
case 13:{ // +COPS: 0, or +COP: 0
if(Uart_Read == ',') //we have ',', it could be +COPS: 0,2,4720x
gsm_state = 14; // expecting '2'
else if(Uart_Read == 13){ // we have "CR"
response = GSM_ERROR;
gsm_state = 248; // expecting LF CR+LF OK CR+LF
}
else
gsm_state = 0; // reset state machine
break;
}
case 14:{ // +COPS: 0,2
if(Uart_Read == '2') //we have '2', it could be +COPS: 0,2,4720x
gsm_state = 15; // expecting ','
else
gsm_state = 0; // reset state machine
break;
}
case 15:{ // +COPS: 0,2,
if(Uart_Read == ',') //we have ',', it could be +COPS: 0,2,4720x
gsm_state = 16; // expecting '4'
else
gsm_state = 0; // reset state machine
break;
}
case 16:{ // +COPS: 0,2,4
if(Uart_Read == '4') //we have '4', it could be +COPS: 0,2,4720x
gsm_state = 17; // expecting '7'
else
gsm_state = 0; // reset state machine
break;
}
case 17:{ // +COPS: 0,2,47
if(Uart_Read == '7') //we have '7', it could be +COPS: 0,2,4720x
gsm_state = 18; // expecting '2'
else
gsm_state = 0; // reset state machine
break;
}
case 18:{ // +COPS: 0,2,472
if(Uart_Read == '2') //we have '2', it could be +COPS: 0,2,4720x
gsm_state = 19; // expecting '0'
else
gsm_state = 0; // reset state machine
break;
}
case 19:{ // +COPS: 0,2,4720x ( X is 1 or 2 )
if(Uart_Read == '0') //we have '0', it could be +COPS: 0,2,4720x
gsm_state = 20; // expecting '1 or 2'
else
gsm_state = 0; // reset state machine
break;
}
case 20:{ // +COPS: 0,2,47201 or +COPS: 0,2,47202
if(Uart_Read == '1'){ //we have '1', it could be +COPS: 0,2,47201
response = GSM_DhiMobile;
gsm_state = 247; // expecting CR+LF CR+LF OK CR+LF
}
else if(Uart_Read == '2'){ //we have '2', it could be +COPS: 0,2,47202
response = GSM_Ooredoo;
gsm_state = 247; // expecting CR+LF CR+LF OK CR+LF
}
else
break;
}
// CR + LF
case 247:{
if(Uart_Read == 13) // CR
gsm_state = 248;
else
gsm_state = 0;
break;
}
case 248:{
if(Uart_Read == 10) // LF
gsm_state = 249;
else
gsm_state = 0;
break;
}
// CR + LF
case 249:{
if(Uart_Read == 13) // CR
gsm_state = 250;
else
gsm_state = 0;
break;
}
case 250:{
if(Uart_Read == 10) // LF
gsm_state = 251;
else
gsm_state = 0;
break;
}
// OK
case 251:{
if(Uart_Read == 'O')
gsm_state = 252;
else
gsm_state = 0;
break;
}
case 252:{
if(Uart_Read == 'K')
gsm_state = 253;
else
gsm_state = 0;
break;
}
// CR + LF
case 253:{// CR
if(Uart_Read == 13) // we have CR, it could be CR+LF
gsm_state = 254; // expecting LF
else
gsm_state = 0; // reset state machine
break;
}
case 254:{// LF
if(Uart_Read == 10){ // we have LF, response is complete
response_rcvd = 1; // set reception flag
responseID = response;// set response ID
}
gsm_state = 0; // reset state machine
break;
}
default:{ // unwanted character
gsm_state = 0; // reset state machine
break;
}
}
}
}
//******************************************************************************
}I was stuck at "+COPS: 0" before
Now It is parsing to "+COPS: 0" fine and LCD shows that but it now it is not going beyond that...
code=C]const char ATC0[] = "AT"; // Checking Response (Just OK)
const char ATC2[] = "AT+CMGF=1"; // Change to Text mode (Just is OK)
const char ATC3[] = "AT+CSQ"; // Read the RX strength (+CSQ: xx,xx & OK)
const char ATC4[] = "AT+COPS?"; // SIM Registeration (+COPS: x,x,xxxxx & OK)
const char ATC5[] = "AT+CPIN?"; // SIM Status (+CPIN: READY)
const char ATC6[] = "AT+CMGD=1,4"; // Delete All SMS (Just is OK after 10 sec)
Mention in what sequence you give the above AT commands ? Which commands you give just once and which repeatedly ?
This is the parsing function I have written according to my code.
This works for me.
What does the Modem_Init() function do ?
const char ATC2[] = "AT+CMGF=1"; // Change to Text mode (Just is OK)
const char ATC3[] = "AT+CSQ"; // Read the RX strength (+CSQ: xx,xx & OK)
const char ATC4[] = "AT+COPS?"; // SIM Registeration (+COPS: x,x,xxxxx & OK)
const char ATC5[] = "AT+CPIN?"; // SIM Status (+CPIN: READY)
const char ATC6[] = "AT+CMGD=1,4"; // Delete All SMS (Just is OK after 10 sec)
Mention in what sequence you give the above AT commands ? Which commands you give just once and which repeatedly ?
This is the parsing function I have written according to my code.
This works for me.
C:
void Extract_Signal_Strength(char *s1, char *s2) {
unsigned int i = 0;
asm clrwdt
while(*s1) {
if(*s1 == '\n')
++i;
asm clrwdt
*s1++;
if(i == 2)break;
}
asm clrwdt
while(*s1 != ' ') {
*s1++;
asm clrwdt
}
*s1++;
while(*s1 != ',') {
*s2++ = *s1++;
asm clrwdt
}
*s2 = '\0';
asm clrwdt
}What does the Modem_Init() function do ?
Last edited:
Here is the finished code. test it and reply. It is written for PIC16F887 @ 4 MHz Crsytal.
C:
// LCD module connections
sbit LCD_RS at RB4_bit;
sbit LCD_EN at RB5_bit;
sbit LCD_D4 at RB0_bit;
sbit LCD_D5 at RB1_bit;
sbit LCD_D6 at RB2_bit;
sbit LCD_D7 at RB3_bit;
sbit LCD_RS_Direction at TRISB4_bit;
sbit LCD_EN_Direction at TRISB5_bit;
sbit LCD_D4_Direction at TRISB0_bit;
sbit LCD_D5_Direction at TRISB1_bit;
sbit LCD_D6_Direction at TRISB2_bit;
sbit LCD_D7_Direction at TRISB3_bit;
// End LCD module connections
#define ON 1
#define OFF 0
#define HIGH 1
#define LOW 0
#define TRUE 1
#define FALSE 0
// GSM module connections
sbit gsmReset at RD7_bit;
sbit gsmReset_Direction at TRISD7_bit;
// End of GSM module connections
sbit LED at RD0_bit;
char gsmBuffer[80];
char buffer1[50];
char sms[30];
char smsIndex[4];
unsigned char myFlags = 0;
char gsmAttempt = 0, gsmState = 0;
unsigned int gsmBufferIndex = 0;
sbit sendSmsFlag at myFlags.B0;
//GSM Constant Strings
const char atCommand1[] = "AT\r";
const char atCommand2[] = "ATE0\r";
const char atCommand3[] = "ATE1\r";
const char atCommand4[] = "AT+IPR=9600\r";
const char atCommand5[] = "AT+CMGF=1\r";
const char atCommand6[] = "AT+CPMS=\"SM\",\"SM\",\"SM\"\r";
const char atCommand7[] = "AT+CNMI=2,1\r";
const char atCommand8[] = "AT+CMGR=";
const char atCommand9[] = "AT+CMGS=\"0000000000\"\r";
const char atCommandA[] = "AT+CMGD=1,4\r";
const char atCommandB[] = "AT+COPS?\r";
const char atCommandC[] = "AT+CPIN?\r";
const char atCommandD[] = "AT+CSQ?\r";
const char atCommandE[] = "ATH\r";
const char atResponse1[] = "\r\nOK\r\n";
const char atResponse2[] = "ERROR";
const char atResponse3[] = "+CMTI: \"SM\",";
const char atResponse4[] = "> ";
const char atResponse5[] = "RING\r\n\r\n";
const char atResponse6[] = "NO CARRIER";
const char atResponse7[] = "NO ANSWER";
const char atResponse8[] = "+CFUN: 1";
const char atResponse9[] = "+CPIN: READY";
const char atResponseA[] = "+COPS: 0";
const char atResponseB[] = "+COPS: 0,2,47201";
const char atResponseC[] = "+COPS: 0,2,47202";
const char atResponseD[] = "+CSQ: ";
const char atResponseE[] = "AT\r\n\r\nOK\r\n";
const char atResponseF[] = "AT+COPS?\r\n\r\n+COPS: 0\r\n\r\nOK\r\n";
const char atResponseG[] = "AT+COPS?\r\n\r\n+COPS: 0,2,47201\r\n\r\nOK\r\n";
const char atResponseH[] = "AT+COPS?\r\n\r\n+COPS: 0,2,47202\r\n\r\nOK\r\n";
const char atResponseI[] = "AT+CPIN?\r\n\r\nERROR\r\n";
const char atResponseJ[] = "AT+CPIN?\r\n\r\n+CPIN: READY\r\n";
const char atResponseK[] = "AT+CSQ\r\n\r\n+CSQ: ";
const char atResponseL[] = "AT+CMGF=1\r\n\r\nOK\r\n";
const char atResponseM[] = "AT+CMGD=1,4\r\n\r\nOK\r\n";
const char atResponseN[] = "ATH\r\n\r\nOK\r\n";
const char msg1[] = "No Network ";
const char msg2[] = "No SIM ";
const char msg3[] = "No Network And No SIM";
const char msg4[] = "Network and SIM Ready";
const char msg5[] = "Signal Strength = ";
const char msg6[] = "Not Registered On Network";
const char msg7[] = "SIM Removed";
const char msg8[] = "OK ";
const char msg9[] = "ERROR ";
const char msgA[] = "SIM Ready ";
const char msgB[] = "Dhi Mobile ";
const char msgC[] = "Ooredoo ";
const char msgD[] = " ";
const char sms1[] = "LED is ON";
const char sms2[] = "LED is OFF";
const char sms3[] = "Invalid Command Received";
//Function Prototypes
void DelayXSec(unsigned long int sec);
char *CopyConst2Ram(char *dest, const char *src);
void GSM_RESET();
void Extract_SMS(char *s1, char *s2);
void Get_SMS_gsmBufferIndex(char *s1, char *s2);
void Get_GSM_Time(char *s1, char *s2);
void Get_Code(char *s1, char *s2);
void GSM_Send_Const_Command(char *s1, char *s2, const char *s3, const char *s4, unsigned int *idx, char *gsmAttempt, char clr);
void GSM_Get_SMS(char *s1, char *s2, const char *s3, const char *s4, char *s5, unsigned int *idx, char *gsmAttempt, char *s6, char clr);
void Send_SMS(char *s1, char *s2, const char *s3, const char *s4, const char *s5, const char *s6, const char *s7, char *s8, unsigned int *idx, char *gsmAttempt, char clr);
void interrupt() {
if((RCIE_bit) && (RCIF_bit)) {
if(OERR_bit) {
OERR_bit = 0;
CREN_bit = 0;
CREN_bit = 1;
}
gsmBuffer[gsmBufferIndex++] = UART1_Read();
gsmBuffer[gsmBufferIndex] = '\0';
RCIF_bit = 0;
}
}
char *CopyConst2Ram(char *dest, const char *src){
char *d;
asm clrwdt
d = dest;
for(;*dest++ = *src++;)asm clrwdt;
return d;
}
void DelayXSec(unsigned long int sec) {
while(sec != 0) {
Delay_ms(1000);
asm clrwdt
--sec;
}
}
void GSM_RESET() {
asm clrwdt
gsmReset = 1;
Delay_ms(20);
gsmReset = 0;
}
void Extract_Signal_Strength(char *s1, char *s2) {
unsigned int i = 0;
asm clrwdt
while(*s1) {
if(*s1 == '\n')
++i;
asm clrwdt
*s1++;
if(i == 2)break;
}
asm clrwdt
while(*s1 != ' ') {
*s1++;
asm clrwdt
}
*s1++;
while(*s1 != ',') {
*s2++ = *s1++;
asm clrwdt
}
*s2 = '\0';
asm clrwdt
}
void Extract_SMS(char *s1, char *s2) {
unsigned int i = 0;
asm clrwdt
while(*s1) {
if(*s1 == '\n')
++i;
asm clrwdt
*s1++;
if(i == 2)break;
}
asm clrwdt
while((*s1) && (*s1 != '\r')) {
*s2++ = *s1++;
asm clrwdt
}
*s2 = '\0';
asm clrwdt
}
void Get_SMS_Index(char *s1, char *s2) {
while(*s1 != 'C') {
*s1++;
asm clrwdt
}
while(*s1 != 'M') {
*s1++;
asm clrwdt
}
while(*s1 != 'T') {
*s1++;
asm clrwdt
}
while(*s1 != 'I') {
*s1++;
asm clrwdt
}
while(*s1 != ',') {
*s1++;
asm clrwdt
}
*s1++;
while(*s1 != '\r') {
*s2++ = *s1++;
asm clrwdt
}
*s2 = '\0';
asm clrwdt
}
void GSM_Send_Const_Command(char *s1, char *s2, const char *s3, const char *s4, unsigned int *idx, char *gsmAttempt, char clr) {
asm clrwdt
while(strstr(s1, CopyConst2Ram(s2, s3)) == 0) {
UART1_Write_Text(CopyConst2Ram(s2, s4));
DelayXSec(2);
if((*gsmAttempt)++ == 3) {
GSM_RESET();
memset(gsmBuffer, '\0', sizeof(gsmBuffer));
(*gsmAttempt) = 0;
(*idx) = 0;
}
}
if(clr)memset(gsmBuffer, '\0', sizeof(gsmBuffer));
(*gsmAttempt) = 0;
(*idx) = 0;
}
void GSM_Get_SMS(char *s1, char *s2, const char *s3, const char *s4, char *s5, unsigned int *idx, char *gsmAttempt, char *s6, char clr) {
asm clrwdt
while(strstr(s1, CopyConst2Ram(s2, s3)) == 0) {
CopyConst2Ram(s2, s4);
strcat(s2, s5);
strcat(s2, "\r");
UART1_Write_Text(s2);
DelayXSec(2);
if((*gsmAttempt)++ == 3) {
GSM_RESET() ;
(*gsmAttempt) = 0;
(*idx) = 0;
memset(gsmBuffer, '\0', sizeof(gsmBuffer));
}
}
(*idx) = 0;
Extract_SMS(s1, s6);
if(clr)memset(gsmBuffer, '\0', sizeof(gsmBuffer));
asm clrwdt
}
void Send_SMS(char *s1, char *s2, const char *s3, const char *s4, const char *s5, const char *s6, const char *s7, char *s8, unsigned int *idx, char *gsmAttempt, char clr) {
asm clrwdt
while(strstr(s1, CopyConst2Ram(s2, s3)) == 0) {
asm clrwdt
GSM_Send_Const_Command(s1, s2, s3, s5, idx, gsmAttempt, 1);
GSM_Send_Const_Command(s1, s2, s3, s6, idx, gsmAttempt, 1);
GSM_Send_Const_Command(s1, s2, s4, s7, idx, gsmAttempt, 1);
UART1_Write_Text(s8);
Delay_ms(500);
UART1_Write(0x1A);
DelayXSec(6);
}
memset(gsmBuffer, '\0', sizeof(gsmBuffer));
(*idx) = 0;
asm clrwdt
}
void main() {
asm clrwdt
//OPTION_REG = 0x87;
CMCON = 0x07;
ADCON1 = 0x87;
TRISA = 0x00;
TRISB = 0x00;
TRISC = 0x80;
TRISD = 0x00;
TRISE = 0x00;
PORTA = 0x00;
PORTB = 0x00;
PORTC = 0x00;
PORTD = 0x00;
PORTE = 0x00;
LCD_Init();
LCD_Cmd(_LCD_CURSOR_OFF);
LCD_Cmd(_LCD_CLEAR);
UART1_Init(9600);
Delay_ms(100);
RCIF_bit = 0;
RCIE_bit = 1;
PEIE_bit = 1;
GIE_bit = 1;
while(1) {
asm clrwdt
switch(gsmState) {
case 0:
while(gsmAttempt < 3) {
GSM_Send_Const_Command(gsmBuffer, buffer1, atResponse1, atCommand1, &gsmBufferIndex, &gsmAttempt, 0);
if(strstr(gsmBuffer, CopyConst2Ram(buffer1, atResponse1))) { //If new SMS received
DelayXSec(1);
LCD_Out(2,1,CopyConst2Ram(buffer1, msg8));
gsmState = 1;
}
else if(strstr(gsmBuffer, CopyConst2Ram(buffer1, atResponse2))) {
LCD_Out(2,1,CopyConst2Ram(buffer1, msg9));
gsmState = 0;
break;
}
gsmBufferIndex = 0;
}
gsmBufferIndex = 0;
gsmAttempt = 0;
break;
case 1:
while(gsmAttempt < 3) {
GSM_Send_Const_Command(gsmBuffer, buffer1, atResponseJ, atCommandC, &gsmBufferIndex, &gsmAttempt, 0);
if(strstr(gsmBuffer, CopyConst2Ram(buffer1, atResponseJ))) { //If new SMS received
DelayXSec(1);
LCD_Out(2,1,CopyConst2Ram(buffer1, msgA));
gsmState = 2;
}
else if(strstr(gsmBuffer, CopyConst2Ram(buffer1, atResponseI))) {
LCD_Out(2,1,CopyConst2Ram(buffer1, msg7));
gsmState = 1;
break;
}
gsmBufferIndex = 0;
}
gsmBufferIndex = 0;
gsmAttempt = 0;
break;
case 2:
while(gsmAttempt < 3) {
GSM_Send_Const_Command(gsmBuffer, buffer1, atResponseF, atCommandB, &gsmBufferIndex, &gsmAttempt, 0);
if(strstr(gsmBuffer, CopyConst2Ram(buffer1, atResponseF))) { //If new SMS received
DelayXSec(1);
LCD_Out(2,1,CopyConst2Ram(buffer1, msg9));
gsmState = 2;
}
else if(strstr(gsmBuffer, CopyConst2Ram(buffer1, atResponseG))) {
LCD_Out(2,1,CopyConst2Ram(buffer1, msgB));
gsmState = 3;
break;
}
else if(strstr(gsmBuffer, CopyConst2Ram(buffer1, atResponseH))) {
LCD_Out(2,1,CopyConst2Ram(buffer1, msgC));
gsmState = 3;
break;
}
gsmBufferIndex = 0;
}
gsmBufferIndex = 0;
gsmAttempt = 0;
break;
case 3:
break;
case 4:
break;
};
}
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