PIC PICC C 4K C <10% C PIC 11.3 MPLAB-IDE PICC PICC MPLAB-IDE MPLAB-IDE ICE2000 ICD2 PICC MPLAB-IDE IDE Project Set Language Tool Locations

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1 PIC C 11.1 PIC C C C PIC C C PC PC PC C C PIC C PIC Microchip PIC C PIC C Hitech CCS IAR Bytecraft Hitech PICC PIC Hitech PIC PICC-Lite PIC PIC16F84 PIC16F877 PIC16F628 Flash PICC-Lite PIC C PIC C Hitech-PICC IAR CCS ByteCraft Hitech-PICC C PIC 11.2 Hitech-PICC PICC ANSI PIC PIC PIC of 26

PICC PIC Hitech PIC PICC-Lite PIC PIC16F84 PIC16F877 PIC16F628 Flash PICC-Lite PIC C PIC C

2 PIC PICC C 4K C <10% C PIC 11.3 MPLAB-IDE PICC PICC MPLAB-IDE MPLAB-IDE ICE2000 ICD2 PICC MPLAB-IDE IDE Project Set Language Tool Locations MPLAB-IDE HI-TECH PICC Toolsuite Executable MPLAB-IDE PICC Assembler C PICC Compiler PICC Linker PICC.EXE Location Browse PICC PICC.EXE PICC.EXE C.c.as HI-TECH PICC C C C of 26

Language Tool Locations 11-1 11-1 MPLAB-IDE HI-TECH PICC Toolsuite Executable

3 C 11-2 C I 2 C 11.4 PIC C 11-2 C PICC PIC C #include pic.h CONFIG PICC main 11-1 C #include <pic.h> #include pc68.h // // // CONFIG (HS & PROTECT & PWRTEN & BOREN & WDTDIS); // void SetSFR(void); void Clock(void); void KeyScan(void); void Measure(void); void LCD_Test(void); void LCD_Disp(unsigned char); // unsigned char second, minute, hour; bit flag1,flag2; // of 26

h // // // CONFIG (HS & PROTECT & PWRTEN & BOREN & WDTDIS); // void SetSFR(void); void

4 void main(void) { SetSFR(); PORTC = 0x00; TMR1H += TMR1H_CONST; LED1 = LED_OFF; LCD_Test(); // while(1) { asm( clrwdt ); Clock(); KeyScan(); Measure(); SetSFR(); // // // // // } } 11-1 C 11.5 PICC PICC PICC 11-1 bit char 8 PICC char unsigned char 8 short 16 unsigned short 16 int 16 unsigned int 16 long 32 unsigned long 32 float 24 double PICC double PICC PICC Little-endian of 26

5 PICC 11-1 bit PICC C unsigned int data[10]; struct commindata { }; unsigned char inbuff[8]; unsigned char getptr, putptr; union int_byte { }; unsigned char c[2]; unsigned int i; 11-2 C PICC bank PICC bank bank bank0 unsigned char buffer[32]; bit flag1,flag2; float val[8]; bank0 bank bank bank1 unsigned char buffer[32]; // bank1 bank2 bit flag1,flag2; bank3 float val[8]; // bank2 // bank3 PIC bank 128 C bank RAM bank Error[000] : Can't find 0x12C words for psect rbss_1 in segment BANK1 0x12C 300 bank1 bank1 bank1 bank bank bank C bank bank bank bank bank of 26

3 PICC bank PICC bank bank bank0 unsigned char buffer[32]; bit flag1,flag2; float val[8]; bank0 bank bank bank1 unsigned char buffer[32]; // bank1

6 PICC PICC auto bank0 PIC PICC bank0 bank PICC bit PICC bank 8 PIC PICC 0x x flag1 0x123 0x123/8 = 0x24 0x123%8 = 3 flag1 0x24 3 flag1 0x24 0x123 PIC PICC tmp 0x20 tmp = 0x80 => bsf 0x20,7 tmp &= 0xf7 => bcf 0x20,3 if (tmp&0xfe) => btfsc 0x20,0 C C of 26

flag1 0x24 3 flag1 0x24 0x123 PIC PICC tmp 0x20 tmp = 0x80 => bsf 0x20,7

7 union { struct { unsigned b0: 1; unsigned b1: 1; unsigned b2: 1; unsigned b3: 1; unsigned b4: 1; unsigned b5: 1; unsigned : 2; // } onebit; unsigned char allbits; } myflag; myflag.onebit.b3=1; 11-3 //b3 1 myflag.allbits=0; // ANSI-C PICC PICC IEEE PICC 24 float 24 double 24 double PICC C bank PICC PICC PICC of 26

onebit.b3=1; 11-3 //b3 1 myflag.allbits=0; // 0 0 0 1 ANSI-C 0 11.5.

8 unsigned char 0x20; //tmpdata 0x20 PICC tmpdata 0x20 unsigned char 0x20; //tmpdata 0x20 bit tmpdata*8+0; bit tmpdata*8+1; bit tmpdata*8+2; //tmpbit0 tmpdata 0 //tmpbit0 tmpdata 1 //tmpbit0 tmpdata 2 tmpdata PICC extern C extern code1.c bank1 unsigned char var1, var2; // bank1 code2.c extern bank1 unsigned char var1, var2; // bank1 volatile PICC C volatile IO volatile volatile unsigned char 0x03; volatile bit commflag; volatile C volatile volatile of 26

tmpdata 11.5.8 PICC extern C extern code1.c bank1 unsigned char var1, var2; // bank1 code2.

9 volatile const const ROM ROM const retlw PICC const unsigned char name[]= This is a demo ; // const RAM persistent C PICC main PICC persistent persisten persistent unsigned char hour,minute,second; // persistent persistent PIC PICC PICC C PIC RAM FSR PICC PICC C RAM FSR FSR 256 bank0/1 bank2/3 512 PICC of 26

unsigned char hour,minute,second; // persistent persistent PIC 11.5.

10 unsigned char *ptr0; // bank0/1 bank2 unsigned char *ptr1; // bank2/3 bank3 unsigned char *ptr2; // bank2/3 bank bank0 bank1 bank2 bank3 bank bank0 bank bank unsigned char *ptr0; // bank0/1 bank2 unsigned char buff[8]; // bank2 ptr0 = buff; // bank2 bank0/1 PICC Fixup overflow in expression (...) bank void SendMessage(unsigned char *); bank0 bank1 bank2 bank3 void SendMessage_2(bank2 unsigned char *); Fixup overflow ROM ROM const unsigned char company[]= Microchip ; // ROM const unsigned char *romptr; // ROM romptr company; // data = *romptr++; // 1 *romptr data; // C PICC PIC PICC RAM of 26

..) bank void SendMessage(unsigned char *); bank0 bank1 bank2 bank3 void SendMessage_2(bank2 unsigned char *); Fixup overflow ROM ROM const unsigned

11 PC persistent volatile PICC bank bank0/1 bank2/3 bank0 bank // bank0/1 bank0 unsigned char *ptr0; // bank2/3 bank0 bank2 unsigned char *ptr0; // bank2/3 bank1 bank2 unsigned char * bank1 ptr0; bank bank bank volatile persistent const bank volatile persistent const bank // bank0/1 bank0 volatile unsigned char *ptr0; // bank2/3 bank1 bank2 unsigned char * volatile bank1 ptr0; // ROM ROM const unsigned char * const ptr0; 11.6 PICC PIC C of 26

const bank volatile persistent const bank // bank0/1 bank0 volatile unsigned char *ptr0; // bank2/3 bank1 bank2

12 PICC C PIC 2K C 2K 2K PIC 8 7 PICC *.map call graph Call graph: *_main size 0,0 offset 0 _RightShift_C * _Task size 0,1 offset 0 lwtoft ftmul size 0,0 offset 0 ftunpack1 ftunpack2 ftadd size 0,0 offset 0 ftunpack1 ftunpack2 ftdenorm 11-4 C main C PICC void Task(void); unsigned char Temperature(void); void BIN2BCD(unsigned char); void TimeDisplay(unsigned char, unsigned char); of 26

ftmul size 0,0 offset 0 ftunpack1 ftunpack2 ftadd size 0,0 offset 0 ftunpack1 ftunpack2 ftdenorm 11-4

13 C PICC C void interrupt ISR(void); ISR void interrupt interrupt PICC 0x0004 retfie void interrupt ISR(void) { // if (T0IE && T0IF) // TMR0 { T0IF = 0; // TMR0 // TMR0 } if (TMR1IE && TMR1IF) // TMR1 { TMR1IF = 0; // TMR1 // TMR1 } } // 11-5 C PICC C PICC of 26

14 PIC PICC C bank0 #include <math.h> #include <string.h> PICC C printf/sprintf printf/sprintf C scanf printf PICC getch() putch() scanf/printf getch() putch() 11.7 PICC PICC PIC PICC C CONFIG (HS & UNPROTECT & PWRTEN & BORDIS & WDTEN); CONFIG pic.h HEX 16F7x /* */ #define RC 0x3FFF // RC #define HS 0x3FFE // HS of 26

15 #define XT 0x3FFD // XT #define LP 0x3FFC // LP /* */ #define WDTEN 0x3FFF // #define WDTDIS 0x3FFB // /* */ #define PWRTEN 0x3FF7 // #define PWRTDIS 0x3FFF // /* */ #define BOREN 0x3FFF // #define BORDIS 0x3FBF // /* */ #define UNPROTECT 0x3FFF // #define PROTECT 0x3FEF // PIC IDLOC IDLOC (1234); 16 0x MPLAB-IDE PICC 11.3 PICC MPLAB-IDE MPLAB MPLAB Make MPLAB Build All Project Make Build All of 26

#define UNPROTECT 0x3FFF // #define PROTECT 0x3FEF // 11-6 11.7.2 PIC IDLOC IDLOC (1234); 16 0x 01020304 11.

16 PICC Configure Select Device MPLAB 11-1 #include <pic.h> pic.h MPLAB pic.h #include <pic.h> PICC General PICC MPAMS 11-3 PICC Include Path 11-3 PICC 11-4 PICC PICC PICC Global C 11-4 Compile for MPLAB ICD C ICD Treat char as signed PICC char of 26

17 char Floating point double width PICC double 24 float C PICC Compiler C C C General Advanced 11-5A 11-5B C 9 20% 2K PICC A B 11-5 C volatile PICC of 26

4 C PICC Compiler C C C General Advanced

18 C Generate assembly list file C *.lst C C C Compile to assembly only C *.as C C C PICC Linker PICC Linker 11-6 Generate map file *.map Display memory-segment usage 11-6 PICC // Psect Usage Map: // Psect Contents Memory Range powerup Power on reset code $ $0003 intentry Interrupt service routine $ $000C intcode Interrupt service routine $000D - $002C intret Interrupt service routine $002D - $0035 init Initialization code $ $003D end_init Initialization code $003E - $ of 26

-------------------- powerup Power on reset code $0000 - $0003 intentry Interrupt service routine $0004 - $000C intcode Interrupt service

19 clrtext Memory clearing code $ $0047 const3 Strings and constant data $ $0060 const Strings and constant data $ $0071 const2 Strings and constant data $ $0076 text Program and library code $ $0582 text Program and library code $ $07C7 float_te Arithmetic routine code $07C8 - $07FF rbss_0 Bank 0 RAM variables $ $0042 temp Temporary RAM data $ $0047 nvram Persistent RAM data $ $004A intsave Registers saved on interrupt $004B - $004D intsave Registers saved on interrupt $007F - $007F intsave_1 Saved copy of W in bank 1 $00FF - $00FF rbit_0 Bank 0 bit variables $ $0104 config User-programmed CONFIG bits $ $2007 Memory Usage Map: // // Program ROM $ $0076 $0077 ( 119) words Program ROM $ $07FF $028A ( 650) words $0301 ( 769) words total Program ROM //bank0 Bank 0 RAM $ $004D $002D ( 45) bytes Bank 0 RAM $007F - $007F $0001 ( 1) bytes $002E ( 46) bytes total Bank 0 RAM //bank1 Bank 1 RAM $00FF - $00FF $0001 ( 1) bytes total Bank 1 RAM //bank0 Bank 0 Bits $ $0104 $0005 ( 5) bits total Bank 0 Bits // Config Data $ $2007 $0001 ( 1) words total Config Data Program statistics: // Total ROM used 769 words (18.8%) // Total RAM used 48 bytes (25.0%) // PICC Assembler PICC Microchip MPASM PICC *.as MPASM *.asm of 26

nvram Persistent RAM data $0048 - $004A intsave Registers saved on interrupt $004B - $004D intsave Registers saved on interrupt $007F - $007F intsave_1 Saved copy of W in bank 1 $00FF - $00FF rbit_0

20 PICC PIC C 11-7 Enable optimization, 11-7 PICC 11.9 C C C PIC clrwdt sleep ; C C PICC asm( clrwdt ); PIC for (;;) { asm("clrwdt"); // Task(); ClockRun(); asm("sleep"); asm("nop"); // // } of 26

21 PICC #asm #endasm 0x20~0x7F RAM #asm movlw movwf clrf incf btfss 0x20 _FSR _INDF _FSR,f _FSR,7 goto $-3 #endasm C C C C _ C _ 11-9 FSR INDF C C _ volatile unsigned char tmp; // bank0 void Test(void) // { #asm // clrf _STATUS // bank0 movlw 0x10 // movwf _tmp //tmp=0x10 #endasm if (tmp==0x10) { // // C ; } } C bank0 C PICC C bank bank of 26

22 volatile bank1 unsigned char tmpbank1; volatile bank2 unsigned char tmpbank2; volatile bank3 unsigned char tmpbank3; // bank1 // bank2 // bank3 void Test(void) // { #asm // bcf _STATUS,6 // bank1 bsf _STATUS,5 movlw 0x10 // movwf _tmpbank1^0x80 //tmpbank1=0x10 bsf _STATUS,6 // bank2 bcf _STATUS,5 movlw 0x20 // movwf _tmpbank1^0x100 //tmpbank2=0x20 bsf _STATUS,6 // bank3 bsf _STATUS,5 movlw 0x30 // movwf _tmpbank1^0x180 //tmpbank1=0x30 #endasm // } C bank0 C bank bank bank0 0x00 PIC bank PICC bank C PICC bank0 C 11-5(B) Compile to assembly only C PICC C C //C void Test(unsigned char invar1, invar2) of 26

23 { unsigned char tmp1, tmp2; invar1++; invar2--; tmp1 = 1; tmp2 = 2; } // _Test ; _tmp1 assigned to?a_test+0 //tmp1?a_test+0 _Test$tmp1 set?a_test ; _tmp2 assigned to?a_test+1 //tmp2?a_test+1 _Test$tmp2 set?a_test+1 ; _invar1 assigned to?a_test+2 //invar1?a_test+2 _Test$inVar1 set?a_test+2 line 44 ;_invar1 stored from w // W bcf 3,5 bcf 3,6 movwf?a_test+2 ;ht16.c: 43: unsigned char tmp1, tmp2; incf?a_test+2 line 45 ;ht16.c: 45: invar2--; decf?_test // invar2?_test line 46 ;ht16.c: 46: tmp1 = 1; clrf?a_test incf?a_test line 47 ;ht16.c: 47: tmp2 = 2; movlw 2 movwf?a_test+1 line 48 ;ht16.c: 48: } return PICC PICC C //C void Test(unsigned char invar1, invar2) { of 26

24 unsigned char tmp1, tmp2; #asm // incf?a_test+0,f //tmp1++; decf?a_test+1,f //tmp2--; movlw 0x10 addwf?a_test+2,f //invar1 += 0x10; rrf?_test,w //invar2 rrf?_test,f #endasm // } PICC PICC Little endian C C //16 unsigned int RR_Shift16(unsigned int var, unsigned char count) { while(count--) // { #asm rrf?_rr_shift16+0,w rrf?_rr_shift16+1,f rrf?_rr_shift16+0,f #endasm // // C //var 1 C //var 1 // } return(var); // } C C C PICC C PICC PICC of 26

25 C C C C PIC count C C *.as PICC C PICC Hitech PICC C C C C bit EvenParity(unsigned char data) { #asm swapf?a_evenparity+0,w // data?a_evenparity+0 xorwf rrf xorwf btfsc incf?a_evenparity+0,f?a_evenparity+0,w?a_evenparity+0,f?a_evenparity+0,2?a_evenparity+0,f #endasm // data if (data&0x01) return(1); else return(0); } C C of 26

26 C of 26

C PICC C++ C++ C C #include<pic.h> C static volatile unsigned char 0x01; static volatile unsigned char 0x02; static volatile unsigned cha

C PICC C++ C++ C C #include<pic.h> C static volatile unsigned char 0x01; static volatile unsigned char 0x02; static volatile unsigned cha CYPOK CYPOK 1 UltraEdit Project-->Install Language Tool: Language Suite----->hi-tech picc Tool Name ---->PICC Compiler Executable ---->c:hi-picinpicc.exe ( Command-line Project-->New Project-->File Name--->myc