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//////// Standard Header file for the PIC16F873 device //////////////// //#device PIC16F873 #nolist //////// Program memory: 4096x14 Data RAM: 192 Stack: 8 //////// I/O: 22 Analog Pins: 5 //////// Data EEPROM: 256 //////// C Scratch area: 20 ID Location: 2000 //////// Fuses: LP,XT,HS,RC,NOWDT,WDT,NOPUT,PUT,PROTECT,PROTECT_5% //////// Fuses: PROTECT_50%,NOPROTECT,BROWNOUT,NOBROWNOUT,LVP,NOLVP,CPD //////// Fuses: NOCPD,WRT,NOWRT //////// ////////////////////////////////////////////////////////////////// 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_B0 48 #define PIN_B1 49 #define PIN_B2 50 #define PIN_B3 51 #define PIN_B4 52 #define PIN_B5 53 #define PIN_B6 54 #define PIN_B7 55 #define PIN_C0 56 #define PIN_C1 57 #define PIN_C2 58 #define PIN_C3 59 #define PIN_C4 60 #define PIN_C5 61 #define PIN_C6 62 #define PIN_C7 63 ////////////////////////////////////////////////////////////////// Useful defines #define FALSE 0 #define TRUE 1 #define BYTE int #define BOOLEAN short int #define getc getch #define getchar getch #define putc putchar ////////////////////////////////////////////////////////////////// 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 ////////////////////////////////////////////////////////////////// Timer 0 // Timer 0 (AKA RTCC)Functions: SETUP_COUNTERS() or SETUP_TIMER0(), // SET_TIMER0() or SET_RTCC(), // GET_TIMER0() or GET_RTCC() // Constants used for SETUP_TIMER0() are: #define RTCC_INTERNAL 0 #define RTCC_EXT_L_TO_H 32 #define RTCC_EXT_H_TO_L 48 #define RTCC_DIV_2 0 #define RTCC_DIV_4 1 #define RTCC_DIV_8 2 #define RTCC_DIV_16 3 #define RTCC_DIV_32 4 #define RTCC_DIV_64 5 #define RTCC_DIV_128 6 #define RTCC_DIV_256 7 // Constants used for SETUP_COUNTERS() are the above // constants for the 1st param and the following for // the 2nd param: ////////////////////////////////////////////////////////////////// WDT // Watch Dog Timer Functions: SETUP_WDT() or SETUP_COUNTERS() (see above) // RESTART_WDT() // #define WDT_18MS 8 #define WDT_36MS 9 #define WDT_72MS 10 #define WDT_144MS 11 #define WDT_288MS 12 #define WDT_576MS 13 #define WDT_1152MS 14 #define WDT_2304MS 15 ////////////////////////////////////////////////////////////////// Timer 1 // Timer 1 Functions: SETUP_TIMER_1, GET_TIMER1, SET_TIMER1 // Constants used for SETUP_TIMER_1() are: // (or (via |) together constants from each group) #define T1_DISABLED 0 #define T1_INTERNAL 0x85 #define T1_EXTERNAL 0x87 #define T1_EXTERNAL_SYNC 0x83 #define T1_CLK_OUT 8 #define T1_DIV_BY_1 0 #define T1_DIV_BY_2 0x10 #define T1_DIV_BY_4 0x20 #define T1_DIV_BY_8 0x30 ////////////////////////////////////////////////////////////////// Timer 2 // Timer 2 Functions: SETUP_TIMER_2, GET_TIMER2, SET_TIMER2 // Constants used for SETUP_TIMER_2() are: #define T2_DISABLED 0 #define T2_DIV_BY_1 4 #define T2_DIV_BY_4 5 #define T2_DIV_BY_16 6 ////////////////////////////////////////////////////////////////// CCP // CCP Functions: SETUP_CCPx, SET_PWMx_DUTY // CCP Variables: CCP_x, CCP_x_LOW, CCP_x_HIGH // Constants used for SETUP_CCPx() are: #define CCP_OFF 0 #define CCP_CAPTURE_FE 4 #define CCP_CAPTURE_RE 5 #define CCP_CAPTURE_DIV_4 6 #define CCP_CAPTURE_DIV_16 7 #define CCP_COMPARE_SET_ON_MATCH 8 #define CCP_COMPARE_CLR_ON_MATCH 9 #define CCP_COMPARE_INT 0xA #define CCP_COMPARE_RESET_TIMER 0xB #define CCP_PWM 0xC #define CCP_PWM_PLUS_1 0x1c #define CCP_PWM_PLUS_2 0x2c #define CCP_PWM_PLUS_3 0x3c long CCP_1; #byte CCP_1 = 0x15 #byte CCP_1_LOW= 0x15 #byte CCP_1_HIGH= 0x16 long CCP_2; #byte CCP_2 = 0x1B #byte CCP_2_LOW= 0x1B #byte CCP_2_HIGH= 0x1C ////////////////////////////////////////////////////////////////// SPI // SPI Functions: SETUP_SPI, SPI_WRITE, SPI_READ, SPI_DATA_IN // Constants used in SETUP_SSP() are: #define SPI_MASTER 0x20 #define SPI_SLAVE 0x24 #define SPI_L_TO_H 0 #define SPI_H_TO_L 0x10 #define SPI_CLK_DIV_4 0 #define SPI_CLK_DIV_16 1 #define SPI_CLK_DIV_64 2 #define SPI_CLK_T2 3 #define SPI_SS_DISABLED 1 #define SPI_SAMPLE_AT_END 0x8000 #define SPI_XMIT_L_TO_H 0x4000 ////////////////////////////////////////////////////////////////// ADC // ADC Functions: SETUP_ADC(), SETUP_ADC_PORTS() (aka SETUP_PORT_A), // SET_ADC_CHANNEL(), READ_ADC() // Constants used in SETUP_ADC_PORTS() are: #define NO_ANALOGS 0x86 // None #define ALL_ANALOG 0x80 // RA0 RA1 RA2 RA3 RA5 RE0 RE1 RE2 Ref=Vdd #define ANALOG_RA3_REF 0x81 // RA0 RA1 RA2 RA5 RE0 RE1 RE2 Ref=RA3 #define A_ANALOG 0x82 // RA0 RA1 RA2 RA3 RA5 Ref=Vdd #define A_ANALOG_RA3_REF 0x83 // RA0 RA1 RA2 RA5 Ref=RA3 #define RA0_RA1_RA3_ANALOG 0x84 // RA0 RA1 RA3 Ref=Vdd #define RA0_RA1_ANALOG_RA3_REF 0x85 // RA0 RA1 Ref=RA3 #define ANALOG_RA3_RA2_REF 0x88 // RA0 RA1 RA5 RE0 RE1 RE2 Ref=RA2,RA3 #define ANALOG_NOT_RE1_RE2 0x89 // RA0 RA1 RA2 RA3 RA5 RE0 Ref=Vdd #define ANALOG_NOT_RE1_RE2_REF_RA3 0x8A // RA0 RA1 RA2 RA5 RE0 Ref=RA3 #define ANALOG_NOT_RE1_RE2_REF_RA3_RA2 0x8B // RA0 RA1 RA5 RE0 Ref=RA2,RA3 #define A_ANALOG_RA3_RA2_REF 0x8C // RA0 RA1 RA5 Ref=RA2,RA3 #define RA0_RA1_ANALOG_RA3_RA2_REF 0x8D // RA0 RA1 Ref=RA2,RA3 #define RA0_ANALOG 0x8E // RA0 #define RA0_ANALOG_RA3_RA2_REF 0x8F // RA0 Ref=RA2,RA3 // Constants used for SETUP_ADC() are: #define ADC_OFF 0 #define ADC_CLOCK_DIV_2 1 #define ADC_CLOCK_DIV_8 0x41 #define ADC_CLOCK_DIV_32 0x81 #define ADC_CLOCK_INTERNAL 0xc1 ////////////////////////////////////////////////////////////////// INT // Interrupt Functions: ENABLE_INTERRUPTS(), DISABLE_INTERRUPTS(), // EXT_INT_EDGE() // // Constants used in EXT_INT_EDGE() are: #define L_TO_H 0x40 #define H_TO_L 0 // Constants used in ENABLE/DISABLE_INTERRUPTS() are: #define GLOBAL 0x0BC0 #define INT_RTCC 0x0B20 #define INT_RB 0x0B08 #define INT_EXT 0x0B10 #define INT_AD 0x8C40 #define INT_TBE 0x8C10 #define INT_RDA 0x8C20 #define INT_TIMER1 0x8C01 #define INT_TIMER2 0x8C02 #define INT_CCP1 0x8C04 #define INT_CCP2 0x8D01 #define INT_SSP 0x8C08 #define INT_BUSCOL 0x8D08 #define INT_LOWVOLT 0x8D80 #define INT_EEPROM 0x8D10 #list