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//-----------------------------------------------------------------------------
// Includes
//-----------------------------------------------------------------------------
#include <c8051f000.h> // SFR declarations
#include <stdio.h>
//-----------------------------------------------------------------------------
// 16-bit SFR Definitions for ’F00x
//-----------------------------------------------------------------------------
sfr16 DP = 0x82; // data pointer
sfr16 TMR3RL = 0x92; // Timer3 reload value
sfr16 TMR3 = 0x94; // Timer3 counter
sfr16 ADC0 = 0xbe; // ADC0 data
sfr16 ADC0GT = 0xc4; // ADC0 greater than window
sfr16 ADC0LT = 0xc6; // ADC0 less than window
sfr16 RCAP2 = 0xca; // Timer2 capture/reload
sfr16 T2 = 0xCC; // Timer2
sfr16 DAC0 = 0xd2; // DAC0 data
sfr16 DAC1 = 0xd5; // DAC1 data
//-----------------------------------------------------------------------------
// Function PROTOTYPES
//-----------------------------------------------------------------------------
void SYSCLK_Init (void);
//-----------------------------------------------------------------------------
// MAIN Routine
//-----------------------------------------------------------------------------
void main (void){
WDTCN = 0xde; // dISAble watchdog timer
WDTCN = 0xad;
SYSCLK_Init (); // initialize oscillator
REF0CN = 0x03; // Reference Control Register
//----------------------------------------------------------------------------
// DAC Configuration
//----------------------------------------------------------------------------
DAC0CN = 0x80; // DAC0 Control Register
DAC1CN = 0x80; // DAC1 Control Register
while(1)
{
DAC0L = 0xAB; // DAC0 Low Byte Register
DAC0H = 0x0C; // DAC0 High Byte Register
DAC1L = 0xAB; // DAC1 Low Byte Register
DAC1H = 0x0C; // DAC1 High Byte Register
}
}
//-----------------------------------------------------------------------------
// Initialization Subroutines
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// Oscillator Configuration
//-----------------------------------------------------------------------------
void SYSCLK_Init (void)
{
int i; // delay counter
OSCXCN = 0x67; // start external oscillator with
// 18.432MHz Crystal
for (i=0; i < 256; i++) ; // XTLVLD blanking interval (>1ms)
while (!(OSCXCN & 0x80)) ; // Wait for crystal osc. to settle
OSCICN = 0x88; // select external oscillator as SYSCLK
// source and enable missing cLOCk
// detector
}
/*---------------------------------------------------------------------------
;
;
;
;
; FILE NAME : C8051F000.h
; TARGET MCUs : C8051F000, 'F001, 'F002, 'F010, 'F011, 'F012, 'F005, 'F006,
; 'F007, 'F015, 'F016 and 'F017
; DESCRIPTION : Register/bit definitions for the C8051Fxxx family.
;
; REVISION 1.9
;---------------------------------------------------------------------------*/
/* BYTE Registers */
sfr P0 = 0x80; /* PORT 0 */
sfr SP = 0x81; /* STACK POINTER */
sfr DPL = 0x82; /* DATA POINTER - LOW BYTE */
sfr DPH = 0x83; /* DATA POINTER - HIGH BYTE */
sfr PCON = 0x87; /* POWER CONTROL */
sfr TCON = 0x88; /* TIMER CONTROL */
sfr TMOD = 0x89; /* TIMER MODE */
sfr TL0 = 0x8A; /* TIMER 0 - LOW BYTE */
sfr TL1 = 0x8B; /* TIMER 1 - LOW BYTE */
sfr TH0 = 0x8C; /* TIMER 0 - HIGH BYTE */
sfr TH1 = 0x8D; /* TIMER 1 - HIGH BYTE */
sfr CKCON = 0x8E; /* CLOCK CONTROL */
sfr PSCTL = 0x8F; /* PROGRAM STORE R/W CONTROL */
sfr P1 = 0x90; /* PORT 1 */
sfr TMR3CN = 0x91; /* TIMER 3 CONTROL */
sfr TMR3RLL = 0x92; /* TIMER 3 RELOAD REGISTER - LOW BYTE */
sfr TMR3RLH = 0x93; /* TIMER 3 RELOAD REGISTER - HIGH BYTE */
sfr TMR3L = 0x94; /* TIMER 3 - LOW BYTE */
sfr TMR3H = 0x95; /* TIMER 3 - HIGH BYTE */
sfr SCON = 0x98; /* SERIAL PORT CONTROL */
sfr SBUF = 0x99; /* SERIAL PORT BUFFER */
sfr SPI0CFG = 0x9A; /* SERIAL PERIPHERAL INTERFACE 0 CONFIGURATION */
sfr SPI0DAT = 0x9B; /* SERIAL PERIPHERAL INTERFACE 0 DATA */
sfr SPI0CKR = 0x9D; /* SERIAL PERIPHERAL INTERFACE 0 CLOCK RATE CONTROL */
sfr CPT0CN = 0x9E; /* COMPARATOR 0 CONTROL */
sfr CPT1CN = 0x9F; /* COMPARATOR 1 CONTROL */
sfr P2 = 0xA0; /* PORT 2 */
sfr PRT0CF = 0xA4; /* PORT 0 CONFIGURATION */
sfr PRT1CF = 0xA5; /* PORT 1 CONFIGURATION */
sfr PRT2CF = 0xA6; /* PORT 2 CONFIGURATION */
sfr PRT3CF = 0xA7; /* PORT 3 CONFIGURATION */
sfr IE = 0xA8; /* INTERRUPT ENABLE */
sfr PRT1IF = 0xAD; /* PORT 1 EXTERNAL INTERRUPT FLAGS */
sfr EMI0CN = 0xAF; /* EXTERNAL MEMORY INTERFACE CONTROL */
sfr P3 = 0xB0; /* PORT 3 */
sfr OSCXCN = 0xB1; /* EXTERNAL OSCILLATOR CONTROL */
sfr OSCICN = 0xB2; /* INTERNAL OSCILLATOR CONTROL */
sfr FLSCL = 0xB6; /* FLASH MEMORY TIMING PRESCALER */
sfr FLACL = 0xB7; /* FLASH ACESS LIMIT */
sfr IP = 0xB8; /* INTERRUPT PRIORITY */
sfr AMX0CF = 0xBA; /* ADC 0 MUX CONFIGURATION */
sfr AMX0SL = 0xBB; /* ADC 0 MUX CHANNEL SELECTION */
sfr ADC0CF = 0xBC; /* ADC 0 CONFIGURATION */
sfr ADC0L = 0xBE; /* ADC 0 DATA - LOW BYTE */
sfr ADC0H = 0xBF; /* ADC 0 DATA - HIGH BYTE */
sfr SMB0CN = 0xC0; /* SMBUS 0 CONTROL */
sfr SMB0STA = 0xC1; /* SMBUS 0 STATUS */
sfr SMB0DAT = 0xC2; /* SMBUS 0 DATA */
sfr SMB0ADR = 0xC3; /* SMBUS 0 SLAVE ADDRESS */
sfr ADC0GTL = 0xC4; /* ADC 0 GREATER-THAN REGISTER - LOW BYTE */
sfr ADC0GTH = 0xC5; /* ADC 0 GREATER-THAN REGISTER - HIGH BYTE */
sfr ADC0LTL = 0xC6; /* ADC 0 LESS-THAN REGISTER - LOW BYTE */
sfr ADC0LTH = 0xC7; /* ADC 0 LESS-THAN REGISTER - HIGH BYTE */
sfr T2CON = 0xC8; /* TIMER 2 CONTROL */
sfr RCAP2L = 0xCA; /* TIMER 2 CAPTURE REGISTER - LOW BYTE */
sfr RCAP2H = 0xCB; /* TIMER 2 CAPTURE REGISTER - HIGH BYTE */
sfr TL2 = 0xCC; /* TIMER 2 - LOW BYTE */
sfr TH2 = 0xCD; /* TIMER 2 - HIGH BYTE */
sfr SMB0CR = 0xCF; /* SMBUS 0 CLOCK RATE */
sfr PSW = 0xD0; /* PROGRAM STATUS WORD */
sfr REF0CN = 0xD1; /* VOLTAGE REFERENCE 0 CONTROL */
sfr DAC0L = 0xD2; /* DAC 0 REGISTER - LOW BYTE */
sfr DAC0H = 0xD3; /* DAC 0 REGISTER - HIGH BYTE */
sfr DAC0CN = 0xD4; /* DAC 0 CONTROL */
sfr DAC1L = 0xD5; /* DAC 1 REGISTER - LOW BYTE */
sfr DAC1H = 0xD6; /* DAC 1 REGISTER - HIGH BYTE */
sfr DAC1CN = 0xD7; /* DAC 1 CONTROL */
sfr PCA0CN = 0xD8; /* PCA 0 COUNTER CONTROL */
sfr PCA0MD = 0xD9; /* PCA 0 COUNTER MODE */
sfr PCA0CPM0 = 0xDA; /* CONTROL REGISTER FOR PCA 0 MODULE 0 */
sfr PCA0CPM1 = 0xDB; /* CONTROL REGISTER FOR PCA 0 MODULE 1 */
sfr PCA0CPM2 = 0xDC; /* CONTROL REGISTER FOR PCA 0 MODULE 2 */
sfr PCA0CPM3 = 0xDD; /* CONTROL REGISTER FOR PCA 0 MODULE 3 */
sfr PCA0CPM4 = 0xDE; /* CONTROL REGISTER FOR PCA 0 MODULE 4 */
sfr ACC = 0xE0; /* ACCUMULATOR */
sfr XBR0 = 0xE1; /* DIGITAL CROSSBAR CONFIGURATION REGISTER 0 */
sfr XBR1 = 0xE2; /* DIGITAL CROSSBAR CONFIGURATION REGISTER 1 */
sfr XBR2 = 0xE3; /* DIGITAL CROSSBAR CONFIGURATION REGISTER 2 */
sfr EIE1 = 0xE6; /* EXTERNAL INTERRUPT ENABLE 1 */
sfr EIE2 = 0xE7; /* EXTERNAL INTERRUPT ENABLE 2 */
sfr ADC0CN = 0xE8; /* ADC 0 CONTROL */
sfr PCA0L = 0xE9; /* PCA 0 TIMER - LOW BYTE */
sfr PCA0CPL0 = 0xEA; /* CAPTURE/COMPARE REGISTER FOR PCA 0 MODULE 0 - LOW BYTE */
sfr PCA0CPL1 = 0xEB; /* CAPTURE/COMPARE REGISTER FOR PCA 0 MODULE 1 - LOW BYTE */
sfr PCA0CPL2 = 0xEC; /* CAPTURE/COMPARE REGISTER FOR PCA 0 MODULE 2 - LOW BYTE */
sfr PCA0CPL3 = 0xED; /* CAPTURE/COMPARE REGISTER FOR PCA 0 MODULE 3 - LOW BYTE */
sfr PCA0CPL4 = 0xEE; /* CAPTURE/COMPARE REGISTER FOR PCA 0 MODULE 4 - LOW BYTE */
sfr RSTSRC = 0xEF; /* RESET SOURCE */
sfr B = 0xF0; /* B REGISTER */
sfr EIP1 = 0xF6; /* EXTERNAL INTERRUPT PRIORITY REGISTER 1 */
sfr EIP2 = 0xF7; /* EXTERNAL INTERRUPT PRIORITY REGISTER 2 */
sfr SPI0CN = 0xF8; /* SERIAL PERIPHERAL INTERFACE 0 CONTROL */
sfr PCA0H = 0xF9; /* PCA 0 TIMER - HIGH BYTE */
sfr PCA0CPH0 = 0xFA; /* CAPTURE/COMPARE REGISTER FOR PCA 0 MODULE 0 - HIGH BYTE */
sfr PCA0CPH1 = 0xFB; /* CAPTURE/COMPARE REGISTER FOR PCA 0 MODULE 1 - HIGH BYTE */
sfr PCA0CPH2 = 0xFC; /* CAPTURE/COMPARE REGISTER FOR PCA 0 MODULE 2 - HIGH BYTE */
sfr PCA0CPH3 = 0xFD; /* CAPTURE/COMPARE REGISTER FOR PCA 0 MODULE 3 - HIGH BYTE */
sfr PCA0CPH4 = 0xFE; /* CAPTURE/COMPARE REGISTER FOR PCA 0 MODULE 4 - HIGH BYTE */
sfr WDTCN = 0xFF; /* WATCHDOG TIMER CONTROL */
/* BIT Registers */
/* TCON 0x88 */
sbit TF1 = TCON ^ 7; /* TIMER 1 OVERFLOW FLAG */
sbit TR1 = TCON ^ 6; /* TIMER 1 ON/OFF CONTROL */
sbit TF0 = TCON ^ 5; /* TIMER 0 OVERFLOW FLAG */
sbit TR0 = TCON ^ 4; /* TIMER 0 ON/OFF CONTROL */
sbit IE1 = TCON ^ 3; /* EXT. INTERRUPT 1 EDGE FLAG */
sbit IT1 = TCON ^ 2; /* EXT. INTERRUPT 1 TYPE */
sbit IE0 = TCON ^ 1; /* EXT. INTERRUPT 0 EDGE FLAG */
sbit IT0 = TCON ^ 0; /* EXT. INTERRUPT 0 TYPE */
/* SCON 0x98 */
sbit SM0 = SCON ^ 7; /* SERIAL MODE CONTROL BIT 0 */
sbit SM1 = SCON ^ 6; /* SERIAL MODE CONTROL BIT 1 */
sbit SM2 = SCON ^ 5; /* MULTIPROCESSOR COMMUNICATION ENABLE */
sbit REN = SCON ^ 4; /* RECEIVE ENABLE */
sbit TB8 = SCON ^ 3; /* TRANSMIT BIT 8 */
sbit RB8 = SCON ^ 2; /* RECEIVE BIT 8 */
sbit TI = SCON ^ 1; /* TRANSMIT INTERRUPT FLAG */
sbit RI = SCON ^ 0; /* RECEIVE INTERRUPT FLAG */
/* IE 0xA8 */
sbit EA = IE ^ 7; /* GLOBAL INTERRUPT ENABLE */
sbit ET2 = IE ^ 5; /* TIMER 2 INTERRUPT ENABLE */
sbit ES = IE ^ 4; /* SERIAL PORT INTERRUPT ENABLE */
sbit ET1 = IE ^ 3; /* TIMER 1 INTERRUPT ENABLE */
sbit EX1 = IE ^ 2; /* EXTERNAL INTERRUPT 1 ENABLE */
sbit ET0 = IE ^ 1; /* TIMER 0 INTERRUPT ENABLE */
sbit EX0 = IE ^ 0; /* EXTERNAL INTERRUPT 0 ENABLE */
/* IP 0xB8 */
sbit PT2 = IP ^ 5; /* TIMER 2 PRIORITY */
sbit PS = IP ^ 4; /* SERIAL PORT PRIORITY */
sbit PT1 = IP ^ 3; /* TIMER 1 PRIORITY */
sbit PX1 = IP ^ 2; /* EXTERNAL INTERRUPT 1 PRIORITY */
sbit PT0 = IP ^ 1; /* TIMER 0 PRIORITY */
sbit PX0 = IP ^ 0; /* EXTERNAL INTERRUPT 0 PRIORITY */
/* SMB0CN 0xC0 */
sbit BUSY = SMB0CN ^ 7; /* SMBUS 0 BUSY */
sbit ENSMB = SMB0CN ^ 6; /* SMBUS 0 ENABLE */
sbit STA = SMB0CN ^ 5; /* SMBUS 0 START FLAG */
sbit STO = SMB0CN ^ 4; /* SMBUS 0 STOP FLAG */
sbit SI = SMB0CN ^ 3; /* SMBUS 0 INTERRUPT PENDING FLAG */
sbit AA = SMB0CN ^ 2; /* SMBUS 0 ASSERT/ACKNOWLEDGE FLAG */
sbit SMBFTE = SMB0CN ^ 1; /* SMBUS 0 FREE TIMER ENABLE */
sbit SMBTOE = SMB0CN ^ 0; /* SMBUS 0 TIMEOUT ENABLE */
/* T2CON 0xC8 */
sbit TF2 = T2CON ^ 7; /* TIMER 2 OVERFLOW FLAG */
sbit EXF2 = T2CON ^ 6; /* EXTERNAL FLAG */
sbit RCLK = T2CON ^ 5; /* RECEIVE CLOCK FLAG */
sbit TCLK = T2CON ^ 4; /* TRANSMIT CLOCK FLAG */
sbit EXEN2 = T2CON ^ 3; /* TIMER 2 EXTERNAL ENABLE FLAG */
sbit TR2 = T2CON ^ 2; /* TIMER 2 ON/OFF CONTROL */
sbit CT2 = T2CON ^ 1; /* TIMER OR COUNTER SELECT */
sbit CPRL2 = T2CON ^ 0; /* CAPTURE OR RELOAD SELECT */
/* PSW */
sbit CY = PSW ^ 7; /* CARRY FLAG */
sbit AC = PSW ^ 6; /* AUXILIARY CARRY FLAG */
sbit F0 = PSW ^ 5; /* USER FLAG 0 */
sbit RS1 = PSW ^ 4; /* REGISTER BANK SELECT 1 */
sbit RS0 = PSW ^ 3; /* REGISTER BANK SELECT 0 */
sbit OV = PSW ^ 2; /* OVERFLOW FLAG */
sbit F1 = PSW ^ 1; /* USER FLAG 1 */
sbit P = PSW ^ 0; /* ACCUMULATOR PARITY FLAG */
/* PCA0CN D8H */
sbit CF = PCA0CN ^ 7; /* PCA 0 COUNTER OVERFLOW FLAG */
sbit CR = PCA0CN ^ 6; /* PCA 0 COUNTER RUN CONTROL BIT */
sbit CCF4 = PCA0CN ^ 4; /* PCA 0 MODULE 4 INTERRUPT FLAG */
sbit CCF3 = PCA0CN ^ 3; /* PCA 0 MODULE 3 INTERRUPT FLAG */
sbit CCF2 = PCA0CN ^ 2; /* PCA 0 MODULE 2 INTERRUPT FLAG */
sbit CCF1 = PCA0CN ^ 1; /* PCA 0 MODULE 1 INTERRUPT FLAG */
sbit CCF0 = PCA0CN ^ 0; /* PCA 0 MODULE 0 INTERRUPT FLAG */
/* ADC0CN E8H */
sbit ADCEN = ADC0CN ^ 7; /* ADC 0 ENABLE */
sbit ADCTM = ADC0CN ^ 6; /* ADC 0 TRACK MODE */
sbit ADCINT = ADC0CN ^ 5; /* ADC 0 CONVERISION COMPLETE INTERRUPT FLAG */
sbit ADBUSY = ADC0CN ^ 4; /* ADC 0 BUSY FLAG */
sbit ADSTM1 = ADC0CN ^ 3; /* ADC 0 START OF CONVERSION MODE BIT 1 */
sbit ADSTM0 = ADC0CN ^ 2; /* ADC 0 START OF CONVERSION MODE BIT 0 */
sbit ADWINT = ADC0CN ^ 1; /* ADC 0 WINDOW COMPARE INTERRUPT FLAG */
sbit ADLJST = ADC0CN ^ 0; /* ADC 0 RIGHT JUSTIFY DATA BIT */
/* SPI0CN F8H */
sbit SPIF = SPI0CN ^ 7; /* SPI 0 INTERRUPT FLAG */
sbit WCOL = SPI0CN ^ 6; /* SPI 0 WRITE COLLISION FLAG */
sbit MODF = SPI0CN ^ 5; /* SPI 0 MODE FAULT FLAG */
sbit RXOVRN = SPI0CN ^ 4; /* SPI 0 RX OVERRUN FLAG */
sbit TXBSY = SPI0CN ^ 3; /* SPI 0 TX BUSY FLAG */
sbit SLVSEL = SPI0CN ^ 2; /* SPI 0 SLAVE SELECT */
sbit MSTEN = SPI0CN ^ 1; /* SPI 0 MASTER ENABLE */
sbit SPIEN = SPI0CN ^ 0; /* SPI 0 SPI ENABLE */
