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cindyw
Joined: 21 Oct 2004
Posts: 9
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| C template for PIC16F676 |
 Posted: Thu Oct 21, 2004 10:08 pm |
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Can anybody provide an example or template for PIC16F676 C code? I do not know how to start.
Please help! 
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Haplo
Joined: 06 Sep 2003
Posts: 659
Location: Sydney, Australia
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| Posted: Thu Oct 21, 2004 10:18 pm |
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| Look into the PICC\Examples directory. There are many helpful example programs there. |
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dyeatman
Joined: 06 Sep 2003
Posts: 1933
Location: Norman, OK
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| Try searching this board... |
| Posted: Thu Oct 21, 2004 10:36 pm |
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| Also try a search on this board for 16F676. The first hit you get in the search will give you a basic start. There are a lot of others after that which provide a wealth of info... |
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cindyw
Joined: 21 Oct 2004
Posts: 9
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| PIC16F676 |
| Posted: Thu Oct 21, 2004 10:57 pm |
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Thanks for your advice.
Pic16f676.h file need to be included in the C programming. where is the definition or memory allocation for those registers? just like what has been defined in pic16f676.inc by assembly lauguage?
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dyeatman
Joined: 06 Sep 2003
Posts: 1933
Location: Norman, OK
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| What version do you have? |
| Posted: Fri Oct 22, 2004 6:07 am |
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Do you have PCB, PCH, PCM, PCWH?
What version of CCS C compiler do you have (the version number is a single digit followed by a decimal and three more digits i.e 3.021 or 3.112)?
If you have the correct CCS C compiler you will find the PIC16F676.H header file in the PICC/devices directory.
You can open the .H file with Notepad to see what is in it...
No, it is not likely the same info as the 16F676.inc file you may be looking at. I have included part of the PIC16F676.H file below as an example of the information it contains.
| Code: |
//////// Standard Header file for the PIC16F676 device ////////////////
#device PIC16F676
#nolist
//////// Program memory: 1024x14 Data RAM: 64 Stack: 8
//////// I/O: 12 Analog Pins: 8
//////// Data EEPROM: 128
//////// C Scratch area: 20 ID Location: 2000
//////// Oscilator Calibration Address: 90
//////// Fuses: LP,XT,HS,EC,INTRC_IO,INTRC,RC_IO,RC,PROTECT,NOPROTECT
//////// Fuses: NOBROWNOUT,BROWNOUT,MCLR,NOMCLR,CPD,NOCPD,WDT,NOWDT,PUT
//////// Fuses: NOPUT
////////
////////////////////////////////////////////////////////////////// I/O
// Discrete I/O Functions: SET_TRIS_x(), OUTPUT_x(), INPUT_x(),
// PORT_B_PULLUPS(), INPUT(),
// OUTPUT_LOW(), OUTPUT_HIGH(),
// OUTPUT_FLOAT(), OUTPUT_BIT()
// Constants used to identify pins in the above are:
#define PIN_A0 40
#define PIN_A1 41
#define PIN_A2 42
#define PIN_A3 43
#define PIN_A4 44
#define PIN_A5 45
#define PIN_C0 56
#define PIN_C1 57
#define PIN_C2 58
#define PIN_C3 59
#define PIN_C4 60
#define PIN_C5 61
////////////////////////////////////////////////////////////////// Useful defines
#define FALSE 0
#define TRUE 1
#define BYTE int
#define BOOLEAN short int
#define getc getch
#define fgetc getch
#define getchar getch
#define putc putchar
#define fputc putchar
#define fgets gets
#define fputs puts
////////////////////////////////////////////////////////////////// Control
// Control Functions: RESET_CPU(), SLEEP(), RESTART_CAUSE()
// Constants returned from RESTART_CAUSE() are:
#define WDT_FROM_SLEEP 0
#define WDT_TIMEOUT 8
#define MCLR_FROM_SLEEP 16
#define NORMAL_POWER_UP 24
And the file continues from here....
****************************************************
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