MPASM 03.70.01 Released DACS.ASM 2-16-2006 20:21:29 PAGE 1 LOC OBJECT CODE LINE SOURCE TEXT VALUE 00001 ;*************************************************** 00002 ; DACS.ASM MPB 11-2-06 00003 ; 00004 ; Test program for parallel 00005 ; and serial D/A Converters 00006 ; DAC0808 & MCP4921 00007 ; 00008 ; Proteus simulation DACS.DSN 00009 ; 00010 ;*************************************************** 00011 00012 PROCESSOR 16F877A 00013 INCLUDE "P16F877A.INC" 00001 LIST 00002 ; P16F877A.INC Standard Header File, Version 1.00 Microchip Technology, Inc. 00398 LIST 2007 3731 00014 __CONFIG 0X3731 00015 00000020 00016 Hibyte EQU 020 ; SPI data high byte 00000021 00017 Lobyte EQU 021 ; SPI data low byte 00018 0000 00019 ORG 0 ; Load at default range 0000 0000 00020 NOP ; for ICD operations 00021 00022 ; Initialise parallel and serial ports ------------- 00023 0001 1683 1303 00024 BANKSEL TRISD Message[302]: Register in operand not in bank 0. Ensure that bank bits are correct. 0003 0188 00025 CLRF TRISD ; Parallel port Message[302]: Register in operand not in bank 0. Ensure that bank bits are correct. 0004 1287 00026 BCF TRISC,5 ; Serial data Message[302]: Register in operand not in bank 0. Ensure that bank bits are correct. 0005 1187 00027 BCF TRISC,3 ; Serial clock Message[302]: Register in operand not in bank 0. Ensure that bank bits are correct. 0006 1007 00028 BCF TRISC,0 ; Chip select Message[302]: Register in operand not in bank 0. Ensure that bank bits are correct. 0007 0194 00029 CLRF SSPSTAT ; default SPI mode 00030 0008 1283 1303 00031 BANKSEL PORTD 000A 0188 00032 CLRF PORTD ; zero PDAC 000B 0194 00033 CLRF SSPCON ; default SPI mode 00034 000C 3039 00035 MOVLW B'00111001' ; Initial SDAC data 000D 00A0 00036 MOVWF Hibyte ; and store 000E 30FF 00037 MOVLW B'11111111' 000F 00A1 00038 MOVWF Lobyte 00039 00040 ; Check buttons ------------------------------------ 00041 0010 1886 00042 up BTFSC PORTB,1 ; Test UP button 0011 2816 00043 GOTO down ; and jump if off Message[305]: Using default destination of 1 (file). 0012 0A88 00044 INCF PORTD ; Increment PDAC MPASM 03.70.01 Released DACS.ASM 2-16-2006 20:21:29 PAGE 2 LOC OBJECT CODE LINE SOURCE TEXT VALUE Message[305]: Using default destination of 1 (file). 0013 0AA0 00045 INCF Hibyte ; Increment SDAC 0014 1C86 00046 waitup BTFSS PORTB,1 ; Wait for.. 0015 2814 00047 GOTO waitup ; button release 00048 0016 1906 00049 down BTFSC PORTB,2 ; Test DOWN button 0017 281C 00050 GOTO spi ; and jump if off Message[305]: Using default destination of 1 (file). 0018 0388 00051 DECF PORTD ; Decrement PDAC Message[305]: Using default destination of 1 (file). 0019 03A0 00052 DECF Hibyte ; Decrement SDAC 001A 1D06 00053 waitdo BTFSS PORTB,2 ; Wait for.. 001B 281A 00054 GOTO waitdo ; button release 00055 00056 ; Send 16-bit data to SDAC via SPI port ------------ 00057 001C 1694 00058 spi BSF SSPCON,SSPEN ; Enable SPI port 00059 001D 1007 00060 BCF PORTC,0 ; Enable SDAC chip 001E 0820 00061 MOVF Hibyte,W ; Get high data 001F 0093 00062 MOVWF SSPBUF ; and send it 0020 1D8C 00063 waithi BTFSS PIR1,SSPIF ; Wait for.. 0021 2820 00064 GOTO waithi ; SPI interrupt 0022 118C 00065 BCF PIR1,SSPIF ; Reset interrupt 00066 0023 0821 00067 MOVF Lobyte,W ; Get low data 0024 0093 00068 MOVWF SSPBUF ; and send it 0025 1D8C 00069 waitlo BTFSS PIR1,SSPIF ; Wait for.. 0026 2825 00070 GOTO waitlo ; SPI interrupt 0027 118C 00071 BCF PIR1,SSPIF ; Reset interrupt 00072 0028 1407 00073 BSF PORTC,0 ; Disable SDAC chip 00074 00075 ; Run output loop until reset --------------------- 00076 0029 1806 00077 BTFSC PORTB,0 ; Test run button 002A 2810 00078 GOTO up ; and repeat loop 00079 Message[305]: Using default destination of 1 (file). 002B 0A88 00080 run INCF PORTD ; Increment PDAC 002C 282B 00081 GOTO run 00082 00083 END ;--------------------------------------- MPASM 03.70.01 Released DACS.ASM 2-16-2006 20:21:29 PAGE 3 SYMBOL TABLE LABEL VALUE ACKDT 00000005 ACKEN 00000004 ACKSTAT 00000006 ADCON0 0000001F ADCON1 0000009F ADCS0 00000006 ADCS1 00000007 ADDEN 00000003 ADFM 00000007 ADIE 00000006 ADIF 00000006 ADON 00000000 ADRESH 0000001E ADRESL 0000009E BCLIE 00000003 BCLIF 00000003 BF 00000000 BRGH 00000002 C 00000000 C1INV 00000004 C1OUT 00000006 C2INV 00000005 C2OUT 00000007 CCP1CON 00000017 CCP1IE 00000002 CCP1IF 00000002 CCP1M0 00000000 CCP1M1 00000001 CCP1M2 00000002 CCP1M3 00000003 CCP1X 00000005 CCP1Y 00000004 CCP2CON 0000001D CCP2IE 00000000 CCP2IF 00000000 CCP2M0 00000000 CCP2M1 00000001 CCP2M2 00000002 CCP2M3 00000003 CCP2X 00000005 CCP2Y 00000004 CCPR1H 00000016 CCPR1L 00000015 CCPR2H 0000001C CCPR2L 0000001B CHS0 00000003 CHS1 00000004 CHS2 00000005 CIS 00000003 CKE 00000006 CKP 00000004 CM0 00000000 CM1 00000001 MPASM 03.70.01 Released DACS.ASM 2-16-2006 20:21:29 PAGE 4 SYMBOL TABLE LABEL VALUE CM2 00000002 CMCON 0000009C CMIE 00000006 CMIF 00000006 CREN 00000004 CSRC 00000007 CVR0 00000000 CVR1 00000001 CVR2 00000002 CVR3 00000003 CVRCON 0000009D CVREN 00000007 CVROE 00000006 CVRR 00000005 D 00000005 DATA_ADDRESS 00000005 DC 00000001 D_A 00000005 EEADR 0000010D EEADRH 0000010F EECON1 0000018C EECON2 0000018D EEDATA 0000010C EEDATH 0000010E EEIE 00000004 EEIF 00000004 EEPGD 00000007 F 00000001 FERR 00000002 FSR 00000004 GCEN 00000007 GIE 00000007 GO 00000002 GO_DONE 00000002 Hibyte 00000020 I2C_DATA 00000005 I2C_READ 00000002 I2C_START 00000003 I2C_STOP 00000004 IBF 00000007 IBOV 00000005 INDF 00000000 INTCON 0000000B INTE 00000004 INTEDG 00000006 INTF 00000001 IRP 00000007 Lobyte 00000021 NOT_A 00000005 NOT_ADDRESS 00000005 NOT_BO 00000000 NOT_BOR 00000000 NOT_DONE 00000002 MPASM 03.70.01 Released DACS.ASM 2-16-2006 20:21:29 PAGE 5 SYMBOL TABLE LABEL VALUE NOT_PD 00000003 NOT_POR 00000001 NOT_RBPU 00000007 NOT_RC8 00000006 NOT_T1SYNC 00000002 NOT_TO 00000004 NOT_TX8 00000006 NOT_W 00000002 NOT_WRITE 00000002 OBF 00000006 OERR 00000001 OPTION_REG 00000081 P 00000004 PCFG0 00000000 PCFG1 00000001 PCFG2 00000002 PCFG3 00000003 PCL 00000002 PCLATH 0000000A PCON 0000008E PEIE 00000006 PEN 00000002 PIE1 0000008C PIE2 0000008D PIR1 0000000C PIR2 0000000D PORTA 00000005 PORTB 00000006 PORTC 00000007 PORTD 00000008 PORTE 00000009 PR2 00000092 PS0 00000000 PS1 00000001 PS2 00000002 PSA 00000003 PSPIE 00000007 PSPIF 00000007 PSPMODE 00000004 R 00000002 RBIE 00000003 RBIF 00000000 RC8_9 00000006 RC9 00000006 RCD8 00000000 RCEN 00000003 RCIE 00000005 RCIF 00000005 RCREG 0000001A RCSTA 00000018 RD 00000000 READ_WRITE 00000002 RP0 00000005 MPASM 03.70.01 Released DACS.ASM 2-16-2006 20:21:29 PAGE 6 SYMBOL TABLE LABEL VALUE RP1 00000006 RSEN 00000001 RX9 00000006 RX9D 00000000 R_W 00000002 S 00000003 SEN 00000000 SMP 00000007 SPBRG 00000099 SPEN 00000007 SREN 00000005 SSPADD 00000093 SSPBUF 00000013 SSPCON 00000014 SSPCON2 00000091 SSPEN 00000005 SSPIE 00000003 SSPIF 00000003 SSPM0 00000000 SSPM1 00000001 SSPM2 00000002 SSPM3 00000003 SSPOV 00000006 SSPSTAT 00000094 STATUS 00000003 SYNC 00000004 T0CS 00000005 T0IE 00000005 T0IF 00000002 T0SE 00000004 T1CKPS0 00000004 T1CKPS1 00000005 T1CON 00000010 T1INSYNC 00000002 T1OSCEN 00000003 T1SYNC 00000002 T2CKPS0 00000000 T2CKPS1 00000001 T2CON 00000012 TMR0 00000001 TMR0IE 00000005 TMR0IF 00000002 TMR1CS 00000001 TMR1H 0000000F TMR1IE 00000000 TMR1IF 00000000 TMR1L 0000000E TMR1ON 00000000 TMR2 00000011 TMR2IE 00000001 TMR2IF 00000001 TMR2ON 00000002 TOUTPS0 00000003 MPASM 03.70.01 Released DACS.ASM 2-16-2006 20:21:29 PAGE 7 SYMBOL TABLE LABEL VALUE TOUTPS1 00000004 TOUTPS2 00000005 TOUTPS3 00000006 TRISA 00000085 TRISB 00000086 TRISC 00000087 TRISD 00000088 TRISE 00000089 TRISE0 00000000 TRISE1 00000001 TRISE2 00000002 TRMT 00000001 TX8_9 00000006 TX9 00000006 TX9D 00000000 TXD8 00000000 TXEN 00000005 TXIE 00000004 TXIF 00000004 TXREG 00000019 TXSTA 00000098 UA 00000001 W 00000000 WCOL 00000007 WR 00000001 WREN 00000002 WRERR 00000003 Z 00000002 _BODEN_OFF 00003FBF _BODEN_ON 00003FFF _CPD_OFF 00003FFF _CPD_ON 00003EFF _CP_ALL 00001FFF _CP_OFF 00003FFF _DEBUG_OFF 00003FFF _DEBUG_ON 000037FF _HS_OSC 00003FFE _LP_OSC 00003FFC _LVP_OFF 00003F7F _LVP_ON 00003FFF _PWRTE_OFF 00003FFF _PWRTE_ON 00003FF7 _RC_OSC 00003FFF _WDT_OFF 00003FFB _WDT_ON 00003FFF _WRT_1FOURTH 00003BFF _WRT_256 00003DFF _WRT_HALF 000039FF _WRT_OFF 00003FFF _XT_OSC 00003FFD __16F877A 00000001 down 00000016 run 0000002B MPASM 03.70.01 Released DACS.ASM 2-16-2006 20:21:29 PAGE 8 SYMBOL TABLE LABEL VALUE spi 0000001C up 00000010 waitdo 0000001A waithi 00000020 waitlo 00000025 waitup 00000014 MEMORY USAGE MAP ('X' = Used, '-' = Unused) 0000 : XXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXX XXXXXXXXXXXXX--- ---------------- 2000 : -------X-------- ---------------- ---------------- ---------------- All other memory blocks unused. Program Memory Words Used: 45 Program Memory Words Free: 8147 Errors : 0 Warnings : 0 reported, 0 suppressed Messages : 10 reported, 0 suppressed