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sebalitter
Joined: 05 May 2015
Posts: 41
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| rs232 in header |
 Posted: Thu Jan 23, 2020 10:35 pm |
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Hello
This code shows me those errors:
Error#7 Invalid Pre-Processor directive Invalid Pin
Error#12 Undefined identifier SERIAL_GPS
What I'm doing wrong?
fases.c
| Code: |
// Voltimetro trifasico
#include "fases_header.h"
//#define VSS_VREF
//#define VREF_ADC_1v024
#INT_RDA
void RDA_isr(void)
{
int8 d;
d=0;
d=getchar(SERIAL_GSM);
clear_interrupt(INT_RDA);
}
void main (void)
{
inicializacion();
//int8 posicion=0;
while(TRUE)
{
setup_adc_ports(sAN0|sAN2|sAN3);
setup_adc(ADC_CLOCK_DIV_2);
voltajes[0] = medir_voltaje(0);
delay_ms(100);
voltajes[1] = medir_voltaje(2);
delay_ms(100);
voltajes[2] = medir_voltaje(3);
delay_ms(100);
lcd_gotoxy(0,1);
printf(lcd_putc," Vr Vs Vt");
lcd_gotoxy(0,2);
printf(lcd_putc,"%3.0lu %3.0lu %3.0lu",voltajes[0], voltajes[1], voltajes[2]);
}
}
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| Code: |
#include <16F1823.h>
#device adc=10
//#device PASS_STRINGS = IN_RAM
#FUSES NOWDT //No Watch Dog Timer
#FUSES INTRC_IO //Internal RC Osc, no CLKOUT
#FUSES NOPROTECT //Code not protected from reading
#FUSES NOMCLR //Master Clear pin enabled
#use delay(clock=16M) //Configuracion reloj interno
#PIN_SELECT U1TX=PIN_C4
#PIN_SELECT U1RX=PIN_C3
#use rs232(UART, BAUD=9600, PARITY=N, BITS=8, stream=SERIAL_GSM , errors)
#use i2c(Master,Fast=100000, sda=PIN_C1, scl=PIN_C2,force_sw)
#include <i2c_Flex_LCD.c>
#define PROM 1500
#define TELEFONO "1565404122"
int16 voltajes[3];
void inicializacionSIM800L(void)
{
int cont;
delay_ms(1000);
puts("A",SERIAL_GSM); //para sincronizar el baudrate del SIM 900
delay_ms(300);
putchar(0x0d,SERIAL_GSM);
delay_ms(3000);
for(cont=0;cont<5;cont++) // mando varios AT para el autobauding
{
puts("AT",SERIAL_GSM);
delay_ms(300);
putchar(0x0d,SERIAL_GSM);
delay_ms(200);
}
puts("AT+CMGF=1\r",SERIAL_GSM); // configuro para que trabaje en modo texto
delay_ms(100);
putchar(0x0d,SERIAL_GSM);
delay_ms(100);
puts("AT\r",SERIAL_GPS);
delay_ms(1000);
puts("AT+CGPSPWR=1\r",SERIAL_GPS);
delay_ms(300);
puts("AT+CGPSRST=0\r",SERIAL_GPS);
delay_ms(3000);
return;
}
void inicializacion(){
lcd_init();
lcd_backlight_led(ON); //Enciende la luz de Fondo
inicializacionSIM800L();
lcd_clear(); //Limpia el LCD
printf(lcd_putc, "\f");
enable_interrupts(INT_RDA);
enable_interrupts(GLOBAL);
}
void mandar_SMS(char *numero , char *mensaje)
{
//char *serial_gsm;
//sprintf( serial_gsm ,"\n\r LDR Analog Value: %.0f \n\r PANIC Status: %d \n\r TEMP Analog Value: %.0f \n\r X/Y/Z Accelerometer %.0f : %.0f : %.0f \n\r",ADC1, input(PANIC),grados,i,a,w);
//PIN_ON(LED);
//delay_ms(300);
//printf(usb_cdc_putc, "\r\nAT+CMGS=\"%s\"\r", numero);
fprintf(SERIAL_GSM, "AT+CMGS=\"%s\"\r", TELEFONO);
delay_ms(300);
//fputs(serial_gsm,SERIAL_GSM);
fprintf(SERIAL_GSM,"\n\r Vr: %3.0lu \n\r Vs :%3.0lu \n\r Vt: %3.0lu",voltajes[0], voltajes[1], voltajes[2]);
//fprintf(SERIAL_GSM, "AT+CMGS=\"%s\"\r", numero);
delay_ms(100);
fprintf(SERIAL_GSM,"%c",0x1a);
//PIN_OFF(LED);
}
int16 medir_voltaje(int8 channel){
int32 acum=0;
int16 Vmedio=0, i=0; //, Voltaje=0;
for(i=0;i<PROM;i++)
{
set_adc_channel(channel);
delay_us(100);
acum+=read_adc();
}
Vmedio=acum/PROM;
//Voltaje=;
//lcd_gotoxy(1,1);
//printf(lcd_putc,"Vr= %lu V",Voltaje);
return (Vmedio*3.594);
}
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Thanks! |
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Ttelmah
Joined: 11 Mar 2010
Posts: 19215
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| Posted: Thu Jan 23, 2020 11:52 pm |
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Hint:
UART != UART1
#USE RS232 needs a UART number. |
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sebalitter
Joined: 05 May 2015
Posts: 41
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| Posted: Fri Jan 24, 2020 3:06 am |
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| Ttelmah wrote: | Hint:
UART != UART1
#USE RS232 needs a UART number. |
i changed to UART1 using the conventional ports
Tx: Pin C4
Rx: Pin C5
#use rs232(UART1, BAUD=9600, PARITY=N, BITS=8, stream=SERIAL_GSM , errors)
do you know if i need something else to send a message in sim800L because its not sending anything. |
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temtronic
Joined: 01 Jul 2010
Posts: 9097
Location: Greensville,Ontario
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| Posted: Fri Jan 24, 2020 5:37 am |
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Always best to start with the hardware
1) what is the VDD of the PIC ?
2) what is the VDD of the SIM800L?
3) is the SIM800L a 'chip' or a 'module' ?
4) What is the rating of the power supply in amps ? |
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sebalitter
Joined: 05 May 2015
Posts: 41
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| Posted: Fri Jan 24, 2020 5:56 am |
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| temtronic wrote: | Always best to start with the hardware
1) what is the VDD of the PIC ?
2) what is the VDD of the SIM800L?
3) is the SIM800L a 'chip' or a 'module' ?
4) What is the rating of the power supply in amps ?
|
Hello , thanks for the quick answer .
PIC16F1823 and SIM800L are connected to the same power ( 5v , 1.25A)
Module GSM SIN800L (Rohs)
[img]
http://g03.a.alicdn.com/kf/HTB1duFfKVXXXXXGaXXXq6xXFXXXq/High-Quality-SIM800L-font-b-GPRS-b-font-GSM-Board-Quadband-QUAD-BAND-L-shape-font.jpg
[/img]
i did something like this
| Code: |
#INT_RDA
void RDA_isr(void)
{
int8 d;
d=0;
d=getchar(SERIAL_GSM);
dato_recibido[con_recepcion] = d;
con_recepcion++;
if(con_recepcion>19)
con_recepcion=0;
//lcd_gotoxy(0,1);
// printf(lcd_putc, "%c",d);
clear_interrupt(INT_RDA);
}
and show it in main..
if(con_recepcion>18){
lcd_clear(); //Limpia el LCD
printf(lcd_putc, "\f");
lcd_gotoxy(0,1);
printf(lcd_putc,"%s",dato_recibido);
delay_ms(5000);
}
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but it didnt show anything. |
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temtronic
Joined: 01 Jul 2010
Posts: 9097
Location: Greensville,Ontario
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| Posted: Fri Jan 24, 2020 5:59 am |
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Is that module designed to be operated at 5 volts ?
Most peripheral devices are 3 volts and need 'logic level converters' to properly connect to 5 volt PICs.
If you have a 'link' to the module we can check.
hmm, my 'guy instinct' is that you should have at least a 2.5 amp power supply. most of these 'wireless' module need a LOT of current to transmit. whatever the datasheet says DOUBLE it ! You need a good reservoir of electrons !
As for software, check with the mfrs website / dtasheet. there should be some basic 'write to a register, read to confirm' code. Assuming you didn't write the 'driver' code, ask that programmer or check the website/forum for Q&A about it or use Google for THAT device, version of PCB may be a problem ? Code written for V1.2 versus PCB is V2.4.
Jay |
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sebalitter
Joined: 05 May 2015
Posts: 41
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| Posted: Fri Jan 24, 2020 6:08 am |
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| temtronic wrote: | Is that module designed to be operated at 5 volts ?
Most peripheral devices are 3 volts and need 'logic level converters' to properly connect to 5 volt PICs.
If you have a 'link' to the module we can check.
Jay |
it has a VCC input , it says 5v on the board.
[url]
https://irishelectronics.ie/SIM800L-V20-5V-Wireless-GSM-GPRS-MODULE
[/url] |
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temtronic
Joined: 01 Jul 2010
Posts: 9097
Location: Greensville,Ontario
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| Posted: Fri Jan 24, 2020 6:39 am |
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hmm I saw this. about 1/2 way down that webpage....
•Embedded AT (optional)
That to me says 'AT command set is an OPTION' though it could mean something totally without the actual datasheet I can't tell.
You should try a simple 'loopback' test to confirm the PIC is running and sending/reciving serial data.
There's 2 possible problems
1) The PIC is not running properly
or
2) The SIM is not running properly
silly question... you have PIC XMT -> SIM RCV ? |
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Ttelmah
Joined: 11 Mar 2010
Posts: 19215
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| Posted: Fri Jan 24, 2020 8:24 am |
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You have a voltage problem.
The SIM800, is a 3.3v device (actually supports 4.4v maximum).
The boards supplied for things like the Arduino, have a regulator to give
the 3.3v, but they don't have a signal amplifier to raise the output voltage
to the levels required by the PIC. The reason is that the PIC serial input
is a Schmitt input but the Arduino one is TTL. So one is not needed when
attached to an Arduino, but is for the PIC,
You need a level shifter on the output from the modem to work.
I've used a lot of these units over the years, and this is required unless
you use a 3.3v PIC. |
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sebalitter
Joined: 05 May 2015
Posts: 41
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| Posted: Fri Jan 24, 2020 8:32 am |
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| Ttelmah wrote: | You have a voltage problem.
The SIM800, is a 3.3v device (actually supports 4.4v maximum).
The boards supplied for things like the Arduino, have a regulator to give
the 3.3v, but they don't have a signal amplifier to raise the output voltage
to the levels required by the PIC. The reason is that the PIC serial input
is a Schmitt input but the Arduino one is TTL. So one is not needed when
attached to an Arduino, but is for the PIC,
You need a level shifter on the output from the modem to work.
I've used a lot of these units over the years, and this is required unless
you use a 3.3v PIC. |
It's working properly now, I wasn't showing the message in the correct position.
The thing is that I can't send SMS yet. I think I have a problem with AT commands.
Also this PIC has a limited memory ram and rom for this program.
main.c
| Code: |
// Voltimetro trifasico
#include "fases_header.h"
//#define VSS_VREF
//#define VREF_ADC_1v024
#INT_RDA
void RDA_isr(void)
{
dato_recibido[con_recepcion] = getchar(SERIAL_GSM);
con_recepcion++;
if(con_recepcion>30)
con_recepcion=0;
clear_interrupt(INT_RDA);
}
void main (void)
{
inicializacion();
while(TRUE)
{
voltajes[0] = medir_voltaje(0);
delay_ms(100);
voltajes[1] = medir_voltaje(2);
delay_ms(100);
voltajes[2] = medir_voltaje(3);
delay_ms(100);
lcd_clear(); //Limpia el LCD
printf(lcd_putc, "\f");
lcd_gotoxy(0,1);
printf(lcd_putc,"%s",&(dato_recibido[0]));
//printf(lcd_putc," Vr Vs Vt");
lcd_gotoxy(0,2);
printf(lcd_putc,"%s",&(dato_recibido[15]));
delay_ms(3000);
//printf(lcd_putc,"%3.0lu %3.0lu %3.0lu",voltajes[0], voltajes[1], voltajes[2]);
mandar_SMS();
delay_ms(3000);
//ejecucion();
}
}
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.h
| Code: |
/*
UART1 -> modulo GSM
Tx: Pin C4
Rx: Pin C5
* I2C display -> sda=PIN_C1 - scl=PIN_C2
*/
#include <16F1823.h>
#device adc=10
//#device PASS_STRINGS = IN_RAM
#FUSES NOWDT //No Watch Dog Timer
#FUSES INTRC_IO //Internal RC Osc, no CLKOUT
#FUSES NOPROTECT //Code not protected from reading
#FUSES NOMCLR //Master Clear pin enabled
#use delay(clock=16M) //Configuracion reloj interno
#use rs232(UART1, BAUD=9600, PARITY=N, BITS=8, stream=SERIAL_GSM , errors)
#use i2c(Master,Fast=100000, sda=PIN_C1, scl=PIN_C2,force_sw)
#include <i2c_Flex_LCD.c>
#define PROM 1500
#define TELEFONO "1565404122"
int16 voltajes[3];
char dato_recibido[30]; // Buffer de recepción
int con_recepcion=0;
void inicializacionSIM800L(void)
{
int cont;
delay_ms(1000);
puts("A",SERIAL_GSM); //para sincronizar el baudrate del SIM 900
delay_ms(300);
putchar(0x0d,SERIAL_GSM);
delay_ms(3000);
for(cont=0;cont<5;cont++) // mando varios AT para el autobauding
{
puts("AT",SERIAL_GSM);
delay_ms(300);
putchar(0x0d,SERIAL_GSM);
delay_ms(200);
}
puts("AT+CMGF=1\r",SERIAL_GSM); // configuro para que trabaje en modo texto
delay_ms(100);
putchar(0x0d,SERIAL_GSM);
delay_ms(3000);
return;
}
void inicializacion(){
enable_interrupts(INT_RDA);
enable_interrupts(GLOBAL);
setup_adc_ports(sAN0|sAN2|sAN3);
setup_adc(ADC_CLOCK_DIV_2);
lcd_init();
lcd_backlight_led(ON); //Enciende la luz de Fondo
inicializacionSIM800L();
lcd_clear(); //Limpia el LCD
//printf(lcd_putc, "\f");
lcd_gotoxy(0,1);
printf(lcd_putc," INICIANDO..");
enable_interrupts(INT_RDA);
enable_interrupts(GLOBAL);
}
void mandar_SMS()
{
//fprintf(SERIAL_GSM, "AT+CMGS=\"%s\"\r", TELEFONO);
printf(SERIAL_GSM, "AT+CMGS=\"1565404122\"\r");
delay_ms(300);
//fputs(serial_gsm,SERIAL_GSM);
//printf(SERIAL_GSM, "SEBA!!!");
fprintf(SERIAL_GSM,"\n\r Vr: %3.0lu \n\r Vs :%3.0lu \n\r Vt: %3.0lu",voltajes[0], voltajes[1], voltajes[2]);
//fprintf(SERIAL_GSM, "AT+CMGS=\"%s\"\r", numero);
delay_ms(100);
//putchar(0x1a,SERIAL_GSM);
fprintf(SERIAL_GSM,"%c",0x1a);
}
int16 medir_voltaje(int8 channel){
int32 acum=0;
int16 i=0;
for(i=0;i<PROM;i++)
{
set_adc_channel(channel);
delay_us(100);
acum+=read_adc();
}
//Vmedio=;
return ((acum/PROM)*3.594);
}
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Ttelmah
Joined: 11 Mar 2010
Posts: 19215
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| Posted: Fri Jan 24, 2020 8:54 am |
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OK. Looking at the picture of your board, the two transistors between
the modem, and the connector may be used for level translation. 
You don't need the clear_interrupt line in your interrupt handler. The
compiler already does this for you.
Little bit puzzled. You refer to SIM900, but the board you show is a
SIM800?.
The telephone number fed to the modem for a SMS, needs to be in
E123 format. They like not to respond unless this is right.
You are also mixing using printf, and fprintf. You need to only use
fprintf.
I know you are limited on space, but normally you need to perform a
AT+CREG to verify the modem has actually registered on the network
before sending.
You also normally need AT+CMGF=1 to set the modem to send SMS's
in text mode. It defaults to working in PDU mode. |
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sebalitter
Joined: 05 May 2015
Posts: 41
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| Posted: Tue Jan 28, 2020 12:35 pm |
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I could see the messages in the PC via RS232.
The problem is +CREG: 1,3 (registration denied). |
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PrinceNai
Joined: 31 Oct 2016
Posts: 453
Location: Montenegro
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| Posted: Tue Jan 28, 2020 2:11 pm |
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I did a quick search on the net and saw there are a lot of people out there having that problem with SIM800 modules. One of the reasons they mention is a duplicate IMEI number and network operators having a list of those. Do you by chance have another module to test with?
As a side note, Chinese modules, both SIM800 and SIM900, gave me nothing but trouble. Not connecting, disconnecting, one day it works and the next day not... So one day I threw all of them into trash bin and got myself some A6 modules. Zero problems, only the ones I created via bad code :-) |
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asmallri
Joined: 12 Aug 2004
Posts: 1630
Location: Perth, Australia
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| Posted: Tue Jan 28, 2020 3:22 pm |
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| sebalitter wrote: | I could see the messages in the PC via RS232.
The problem is +CREG: 1,3 (registration denied). |
What country are you in?
The SIM800 is a 2G module. 2G technology is old, and no longer operational in a lot of countries.
_________________
Regards, Andrew
http://www.brushelectronics.com/software
Home of Ethernet, SD card and Encrypted Serial Bootloaders for PICs!! |
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sebalitter
Joined: 05 May 2015
Posts: 41
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| Posted: Sat Feb 15, 2020 11:19 am |
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Thank you. With A6 module works perfect. it a bit more expensive but it saves me lots of time.
I have other issue...
Error#7 Invalid Pre-Processor directive Invalid Pin
i didn found #pin_select directive in <16F1823.h>
why does it happend?
why i cant change U1RX pin port?
| Code: |
#pin_select U1RX = PIN_C3
#use rs232(UART1, BAUD=9600, PARITY=N, BITS=8, stream=SERIAL_GSM , errors)
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Another question with sleep mode.
do i need to connect special external interrupt ports in this device? or i can use whatever port i want ? |
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