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TelitGSM.cpp
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TelitGSM.cpp
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/*
Name: library for Cosmo GSM Shield
Version: 0.1
Created: 17.03.2015
Programmer: Erezeev A.
Production: JT5.RU
Source: https://github.com/jt5/telit
This library is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include <avr/io.h>
#include <avr/interrupt.h>
#include <avr/pgmspace.h>
#include <util/delay.h>
#include "TelitGSM.h"
#include <string.h>
#define PD7 (7)
#define PD6 (6)
#define PD5 (5)
#define PB0 (0)
#define PB1 (1)
#ifdef _AVR_IOM328P_H_ || _AVR_IOM328_H_
#define RXCIEn RXCIE0
#define RXCn RXC0
#define RXENn RXEN0
#define TXENn TXEN0
#define UBRRnH UBRR0H
#define UBRRnL UBRR0L
#define UCSRnA UCSR0A
#define UCSRnB UCSR0B
#define UCSRnC UCSR0C
#define UDRn UDR0
#define USARTn_RX_vect USART_RX_vect
#elif _AVR_IOM2560_H_
#ifdef Telit_USART0
#define USARTn_RX_vect USART0_RX_vect
#define RXCIEn RXCIE0
#define RXCn RXC0
#define RXENn RXEN0
#define TXENn TXEN0
#define UBRRnH UBRR0H
#define UBRRnL UBRR0L
#define UCSRnA UCSR0A
#define UCSRnB UCSR0B
#define UCSRnC UCSR0C
#define UDRn UDR0
#elif Telit_USART1
#define USARTn_RX_vect USART1_RX_vect
#define RXCIEn RXCIE1
#define RXCn RXC1
#define RXENn RXEN1
#define TXENn TXEN1
#define UBRRnH UBRR1H
#define UBRRnL UBRR1L
#define UCSRnA UCSR1A
#define UCSRnB UCSR1B
#define UCSRnC UCSR1C
#define UDRn UDR1
#elif Telit_USART2
#define USARTn_RX_vect USART2_RX_vect
#define RXCIEn RXCIE2
#define RXCn RXC2
#define RXENn RXEN2
#define TXENn TXEN2
#define UBRRnH UBRR2H
#define UBRRnL UBRR2L
#define UCSRnA UCSR2A
#define UCSRnB UCSR2B
#define UCSRnC UCSR2C
#define UDRn UDR2
#elif Telit_USART3
#define USARTn_RX_vect USART3_RX_vect
#define RXCIEn RXCIE3
#define RXCn RXC3
#define RXENn RXEN3
#define TXENn TXEN3
#define UBRRnH UBRR3H
#define UBRRnL UBRR3L
#define UCSRnA UCSR3A
#define UCSRnB UCSR3B
#define UCSRnC UCSR3C
#define UDRn UDR3
#else #error Invalid USART port number!
#endif
//USART1_RX_vect
//USART2_RX_vect
//USART3_RX_vect
#else #error Unsupported target MCU!!!
#endif
unsigned char rx_buffer[RX_BUFFER_SIZE];
//! Èíäåêñ ïîèñêà
static unsigned char rx_i;
//! Èíäåêñ çàïèñè â áóôåð ïðè¸ìà
static unsigned char rx_wr_i;
//! Ôëàãè ïåðåïîëíåíèÿ è ïîäòâåðæäåíèÿ
volatile unsigned char rx_overflow, rx_ack;
volatile unsigned char CMTI_wait_state;
const char * searchFor; // Óêàçàòåëü íà øàáëîí ïîèñêà
static unsigned char rx_i_CMTI;
volatile unsigned char NewSMS_index, NewSMS_index_;
static unsigned char searchStr;
const char * pCMTI;
char CallerID[16];
static unsigned char putchar(unsigned char send_char)
{
while (!(UCSRnA & 0x20));
UDRn = (unsigned char) send_char;
_delay_us(500); //Ïàóçà äëÿ íîðìàëüíîé ðàáîòû ìîäåìà
return(send_char);
}
static unsigned char getchar( void )
{
/* Wait for data to be received */
while ( !(UCSRnA & (1<<RXCn)) )
;
/* Get and return received data from buffer */
return UDRn;
}
unsigned char TelitClass::Write(unsigned char Byte)
{
return putchar(Byte);
}
void UART0_rx_reset( void )
{
UCSRnB &= ~(1<<RXCIEn);
rx_i = rx_wr_i = 0;
rx_ack = 0;
rx_buffer[ rx_wr_i ] = '\0';
}
void UART0_rx_on( void )
{
UCSRnB |= ( 1 << RXCIEn );
}
void UART0_rx_off( void )
{
UCSRnB &= ~( 1 << RXCIEn );
}
//Óñòàíîâêà øàáëîíà äëÿ ïîèñêà
//pSTR - àäðåñ øàáëîíà â ÏÇÓ
void UART0_setSearchString( const char * pPattern_P )
{
UCSRnB &= ~( 1 << RXCIEn );
searchFor = pPattern_P; //×òî òðåáóåòñÿ íàéòè â áóôåðå îòâåòà
rx_i = 0;
}
/************************************************************************/
/* Îáðàáîò÷èê ïðåðûâàíèé ïî ïðèåìó íîâîãî ñèìâîëà ïî UART
/* Âûïîëíÿåò ñðàâíåíèå ñ øàáëîíîì èç FLASH "íà ëåòó" */
/************************************************************************/
ISR(USARTn_RX_vect)
{
char data;
char* Src;
unsigned char match_flag;
static unsigned char CMTI_received; // Ïðèçíàê ïðè¸ìà èíäèêàöèè íîâîãî ÑÌÑ +CMTI
data = UDRn;
if (!data) return;
rx_buffer[ rx_wr_i++ ] = data; //Ïîëîæèëè íîâûé ñèìâîë â áóôåð
if( rx_wr_i > RX_BUFFER_MASK ) //Åñëè áóôåð ïåðåïîëíåí, ïðîäîëæèì ñíà÷àëà ñ ïåðåçàòèðàíèåì
{
rx_wr_i = 0;
}
if( data == pgm_read_byte(&searchFor[rx_i]) ) //Åñëè ïðèøåäøèé ñèìâîë ñîâïàë ñ ñèìâîëîì øàáëîíà
{
rx_i++; //Ñëåäóþùèé ñèìâîë øàáëîíà
match_flag = 1;
}
else if (data == pgm_read_byte(&searchFor[0])) //Åñëè ïðèøåäøèé ñèìâîë ñîâïàë ñ ïåðâûì ñèìâîëîì øàáëîíà
{
rx_i = 1; //Ñëåäóþùèé ñèìâîë øàáëîíà
match_flag = 1;
}
/*
else if ( pgm_read_byte(&CMTI[rx_i_CMTI]) == data )
{
match_flag = 0; rx_i_CMTI++; rx_i = 0;
if( !pgm_read_byte(&CMTI[rx_i_CMTI]) )
{
//Ïðèíÿëè øàáëîí: "+CMTI: " öåëèêîì
rx_i_CMTI = 0;
// Óñòàíàâëèâàåì øàáëîí äëÿ ïîèñêà CR_LF
searchFor = CR_LF;
rx_wr_i = 0;
CMTI_received = 1;
// Æä¸ì êîíöà ñòðîêè
}
}
*/
else
{
rx_i = 0; rx_i_CMTI = 0;
}
if (match_flag)
{
if( !pgm_read_byte(&searchFor[rx_i]) ) // Åñëè äîøëè äî êîíöà øàáëîíà - âûêëþ÷èì ïðè¸ì
{
rx_i = 0;
rx_buffer[ rx_wr_i] = 0x00;
if ((CMTI_wait_state) && (!CMTI_received))
{
// Åñëè ïðèø¸ë øàáëîí +CMTI:
CMTI_wait_state = 0; // +CMTI áîëüøå íå æä¸ì
searchFor = CR_LF; // à æä¸ì ïåðåâîä ñòðîêè
rx_wr_i = 0;
CMTI_received = 1;
return; //Ïðè¸ì íå çàêàí÷èâàåì, à ïðîñòî âûõîäèì èç îáðàáîò÷èêà
}
else if ((CMTI_received)&&(!CMTI_wait_state))
{
CMTI_received = 0;
CMTI_wait_state = 0;
//Ïðèíÿëè îïîâåùåíèå:"+CMTI: <mem>,<index>" öåëèêîì
Src = (char*)rx_buffer;
while (*Src++ != ',');
// Ïàðñèì èíäåêñ
int n;
n = 0;
while (*Src)
{
if (( *Src >= '0' ) && ( *Src <= '9' ) )
{
n = 10*n + ( *Src - '0' );
}
Src++;
}
NewSMS_index = n;
}
rx_ack = 1; // ïîäíèìåì ôëàã - ïðèøåë îòâåò
UCSRnB &= ~( 1 << RXCIEn ); // Âûêëþ÷àåì ïðè¸ì
}
}
}
void TelitClass::begin()
{
sei();
}
void TelitClass::WriteStr(char* s)
{
while (*s) putchar(*s++);
}
void TelitClass::WriteStr_P(const char* s)
{
while (pgm_read_byte(s))
putchar(pgm_read_byte(s++));
}
void UART0_init(void)
{
UCSRnB = 0x00;
UCSRnA = 0x00;
UCSRnC = 0x06;
UBRRnL = 25; //38400 low speed ( @ 16 MHz)
UBRRnH = 0x00;
UCSRnB = ( 1 << TXENn )|( 1 << RXENn );
UART0_rx_reset();
}
// Ïðîâåðêà îòâåòà îò ìîäåìà
signed char UART0_check_acknowledge( unsigned int pause )
{
//! Local variables
static unsigned int i, ii;
for( i = 0; ( rx_ack == 0 ) && ( i < 65535 ); i++ ) //Öèêë îæèäàíèÿ
{
for( ii = 0; ii < pause; ii++ )
{
asm("nop"); // Òðàòèì ýíåðãèþ â ïóñòóþ
}
asm("WDR");
}
if( rx_ack > 0 )
{
rx_ack = 0;
return 1;
}
else
{
UART0_rx_off( );
UART0_rx_reset( );
return -1;
}
}
void TelitClass::end()
{
}
signed char TelitClass::SendCmdWaitResp(const char* pCommand_P, const char* pSearchPattern_P, unsigned int pause)
{
UART0_rx_reset( );
UART0_setSearchString(pSearchPattern_P);
//_delay_ms(500);
Telit.WriteStr_P(pCommand_P);
Telit.WriteStr_P(PSTR("\r\n"));
CMTI_wait_state = 0;
UART0_rx_on( );
if( UART0_check_acknowledge( pause ) > 0 )
{
return 1;
}
else return -1;
}
signed char TelitClass::WaitResp(const char* pSearchPattern_P, unsigned int pause)
{
UART0_rx_reset( );
UART0_setSearchString(pSearchPattern_P);
CMTI_wait_state = 0;
UART0_rx_on( );
if( UART0_check_acknowledge( pause ) > 0 )
{
return 1;
}
else return -1;
}
void TelitClass::WaitSMS(void)
{
UART0_rx_reset( );
CMTI_wait_state = 1;
searchFor = CMTI;
// searchCMTI = (const char* const)pgm_read_word(&searchStrings[CMTI_]);
// UART0_setSearchString( RING_ );
UART0_rx_on( );
}
signed char TelitClass::Init(const char* PIN)
{
DDRD |= (1<<PD5);
PORTD |= (1<<PD5);
_delay_ms(300);
PORTD &= ~(1<<PD5);
_delay_ms(5000);
UART0_init();
Telit.WriteStr_P(PSTR("AT\r\n"));
_delay_ms(100);
Telit.WriteStr_P(PSTR("ATE0\r\n"));
_delay_ms(100);
Telit.WriteStr_P(PSTR("AT#SELINT=2\r\n"));
_delay_ms(100);
Telit.WriteStr_P(PSTR("AT+IPR=38400\r\n"));
_delay_ms(100);
Telit.WriteStr_P(PSTR("AT\\Q0\r\n"));
_delay_ms(100);
Telit.WriteStr_P(PSTR("AT&K0\r\n"));
_delay_ms(100);
Telit.WriteStr_P(PSTR("AT+IFC= 0,0\r\n"));
_delay_ms(100);
Telit.WriteStr_P(PSTR("AT+ICF= 3\r\n"));
_delay_ms(100);
Telit.WriteStr_P(PSTR("AT+CMEE=2\r\n"));
_delay_ms(100);
// searchFor = (const char*)pgm_read_word(&searchStrings[1]);
// Telit.WriteStr_P(searchFor);
sei();
while (SendCmdWaitResp(PSTR("AT"),OK, pause64) < 0);
if (SendCmdWaitResp(PSTR("AT+CPIN?"),PSTR("+CPIN: "), pause256))
{
//Ïðèøåë îòâåò "+CPIN:"
if (WaitResp(OK, pause64))
{
// Ïðèøåë OK
if (strstr_P((char*)rx_buffer, PSTR("SIM PIN")))
{
// Ââîäèì PIN êîä
Telit.WriteStr_P(PSTR("AT+CPIN=\""));
Telit.WriteStr_P(PIN);
if ( SendCmdWaitResp(PSTR("\""),OK, pause256) < 0) return -3; // PIN êîä íå âåðåí
}
else if (!strstr_P((char*)rx_buffer, PSTR("READY")))
{
return -3;
}
}
else return -3;
}else return -2;
//
/*
Æäåì ðåãèñòðàöèè â ñåòè
*/
unsigned char Attempts=0;
while (CheckStatus() < 0)
{
if (Attempts++ > 16)
{
return -1;
}
}
/*
Èíèöèàëèçèðóåì òåêñòîâûé ðåæèì ÑÌÑ
*/
if (SendCmdWaitResp(PSTR("AT+CSCA?"), OK, pause256) < 0) return -2;
if (SendCmdWaitResp(PSTR("AT+CMGF=1"), OK, pause64) < 0) return -2;
return 1;
}
signed char TelitClass::CheckStatus(void)
{
// Telit.WriteStr_P(PSTR("AT\r\n"));
signed char status = -1;
_delay_ms(500);
for (unsigned char i =0; i<4; i++)
{
if (SendCmdWaitResp(PSTR("AT+CGATT?"), PSTR("+CGATT: 1"), pause64) > 0 )
{
//Ïðèøåë îòâåò "+CGATT: 1", æäåì òåïåðü "OK"
if (WaitResp(OK, pause64) > 0) {status = 1;break;};
}
_delay_ms(1000);
}
return status;
}
signed char TelitClass::GetIMEI (char* IMEIbuf)
{
if (SendCmdWaitResp(PSTR("AT+CGSN"), OK, pause64) > 0 )
{
char* pSrc = (char*)rx_buffer;
unsigned char n = 0; unsigned char k = 0;
while ((n < 15) && (k < 64))
{
if ((*pSrc >= '0') && (*pSrc <= '9')) {*IMEIbuf++ = *pSrc; n++;}
else if (*pSrc == 'O') break;
*pSrc++; k++;
}
if (n == 15) {*pSrc =0x00; return 1;}
else return -2;
} else return -1;
}
signed char TelitClass::PowerOFF()
{
if (SendCmdWaitResp(PSTR("AT#SHDN"), OK, pause256) > 0 )
{
return 1;
}
else return -1;
}
/*
*/
signed char TelitClass::getTime(int* hr,int* min,int* sec,int* day, int* month, int* yr)
{
char* Src;
int Temp;
_delay_ms(500);
if (SendCmdWaitResp(PSTR("AT+CCLK?"), OK, pause64) > 0 )
{
Src = (char*)&rx_buffer[2];
if (*Src != '+') return -1;
// Âçÿëè ãîä
Src = (char*)&rx_buffer[10];
Temp = (*Src++ - '0') * 10;
Temp += (*Src - '0');
*yr = Temp;
// Âçÿëè ìåñÿö
Src = (char*)&rx_buffer[13];
Temp = (*Src++ - '0') * 10;
Temp += (*Src - '0');
*month = Temp;
// Âçÿëè äåíü
Src = (char*)&rx_buffer[16];
Temp = (*Src++ - '0') * 10;
Temp += (*Src - '0');
*day = Temp;
// Âçÿëè ÷àñû
Src = (char*)&rx_buffer[19];
Temp = (*Src++ - '0') * 10;
Temp += (*Src - '0');
*hr = Temp;
// Âçÿëè ìèíóòû
Src = (char*)&rx_buffer[22];
Temp = (*Src++ - '0') * 10;
Temp += (*Src - '0');
*min = Temp;
// Âçÿëè ñåêóíäû
Src = (char*)&rx_buffer[25];
Temp = (*Src++ - '0') * 10;
Temp += (*Src - '0');
*sec = Temp;
return 1;
}
}