//////// Standard Header file for the PIC16F877A device //////////////// #device PIC16F877A #nolist //////// Program memory: 8192x14 Data RAM: 367 Stack: 8 //////// I/O: 33 Analog Pins: 8 //////// Data EEPROM: 256 //////// C Scratch area: 77 ID Location: 2000 //////// Fuses: LP,XT,HS,RC,NOWDT,WDT,NOPUT,PUT,PROTECT,DEBUG,NODEBUG //////// Fuses: NOPROTECT,NOBROWNOUT,BROWNOUT,LVP,NOLVP,CPD,NOCPD,WRT_50% //////// Fuses: NOWRT,WRT_5%,WRT_25% //////// ////////////////////////////////////////////////////////////////// I/O // Discrete I/O Functions: SET_TRIS_x(), OUTPUT_x(), INPUT_x(), // PORT_x_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 #define PIN_D0 64 #define PIN_D1 65 #define PIN_D2 66 #define PIN_D3 67 #define PIN_D4 68 #define PIN_D5 69 #define PIN_D6 70 #define PIN_D7 71 #define PIN_E0 72 #define PIN_E1 73 #define PIN_E2 74 ////////////////////////////////////////////////////////////////// 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 3 #define WDT_TIMEOUT 11 #define MCLR_FROM_SLEEP 19 #define MCLR_FROM_RUN 27 #define NORMAL_POWER_UP 24 #define BROWNOUT_RESTART 26 ////////////////////////////////////////////////////////////////// Timer 0 // Timer 0 (AKA RTCC)Functions: SETUP_COUNTERS() or SETUP_TIMER_0(), // SET_TIMER0() or SET_RTCC(), // GET_TIMER0() or GET_RTCC() // Constants used for SETUP_TIMER_0() are: #define RTCC_INTERNAL 0 #define RTCC_EXT_L_TO_H 32 #define RTCC_EXT_H_TO_L 48 #define RTCC_DIV_1 8 #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 #define RTCC_8_BIT 0 // 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 ////////////////////////////////////////////////////////////////// PSP // PSP Functions: SETUP_PSP, PSP_INPUT_FULL(), PSP_OUTPUT_FULL(), // PSP_OVERFLOW(), INPUT_D(), OUTPUT_D() // PSP Variables: PSP_DATA // Constants used in SETUP_PSP() are: #define PSP_ENABLED 0x10 #define PSP_DISABLED 0 #byte PSP_DATA= 8 ////////////////////////////////////////////////////////////////// SPI // SPI Functions: SETUP_SPI, SPI_WRITE, SPI_READ, SPI_DATA_IN // Constants used in SETUP_SPI() 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 ////////////////////////////////////////////////////////////////// UART // Constants used in setup_uart() are: // FALSE - Turn UART off // TRUE - Turn UART on #define UART_ADDRESS 2 #define UART_DATA 4 ////////////////////////////////////////////////////////////////// COMP // Comparator Variables: C1OUT, C2OUT // Constants used in setup_comparator() are: #define A0_A3_A1_A3 0xfff04 #define A0_A3_A1_A2_OUT_ON_A4_A5 0xfcf03 #define A0_A3_A1_A3_OUT_ON_A4_A5 0xbcf05 #define NC_NC_NC_NC 0x0ff07 #define A0_A3_A1_A2 0xfff02 #define A0_A3_NC_NC_OUT_ON_A4 0x9ef01 #define A0_VR_A1_VR 0x3ff06 #define A3_VR_A2_VR 0xcff0e #bit C1OUT = 0x9c.6 #bit C2OUT = 0x9c.7 ////////////////////////////////////////////////////////////////// VREF // Constants used in setup_vref() are: // #define VREF_LOW 0xa0 #define VREF_HIGH 0x80 // Or (with |) the above with a number 0-15 #define VREF_A2 0x40 ////////////////////////////////////////////////////////////////// ADC // ADC Functions: SETUP_ADC(), SETUP_ADC_PORTS() (aka SETUP_PORT_A), // SET_ADC_CHANNEL(), READ_ADC() // Constants used for SETUP_ADC() are: #define ADC_OFF 0 // ADC Off #define ADC_CLOCK_DIV_2 0x10000 #define ADC_CLOCK_DIV_4 0x4000 #define ADC_CLOCK_DIV_8 0x0040 #define ADC_CLOCK_DIV_16 0x4040 #define ADC_CLOCK_DIV_32 0x0080 #define ADC_CLOCK_DIV_64 0x4080 #define ADC_CLOCK_INTERNAL 0x00c0 // Internal 2-6us // Constants used in SETUP_ADC_PORTS() are: #define NO_ANALOGS 7 // None #define ALL_ANALOG 0 // A0 A1 A2 A3 A5 E0 E1 E2 #define AN0_AN1_AN2_AN4_AN5_AN6_AN7_VSS_VREF 1 // A0 A1 A2 A5 E0 E1 E2 VRefh=A3 #define AN0_AN1_AN2_AN3_AN4 2 // A0 A1 A2 A3 A5 #define AN0_AN1_AN2_AN4_VSS_VREF 3 // A0 A1 A2 A5 VRefh=A3 #define AN0_AN1_AN3 4 // A0 A1 A3 #define AN0_AN1_VSS_VREF 5 // A0 A1 VRefh=A3 #define AN0_AN1_AN4_AN5_AN6_AN7_VREF_VREF 0x08 // A0 A1 A5 E0 E1 E2 VRefh=A3 VRefl=A2 #define AN0_AN1_AN2_AN3_AN4_AN5 0x09 // A0 A1 A2 A3 A5 E0 #define AN0_AN1_AN2_AN4_AN5_VSS_VREF 0x0A // A0 A1 A2 A5 E0 VRefh=A3 #define AN0_AN1_AN4_AN5_VREF_VREF 0x0B // A0 A1 A5 E0 VRefh=A3 VRefl=A2 #define AN0_AN1_AN4_VREF_VREF 0x0C // A0 A1 A5 VRefh=A3 VRefl=A2 #define AN0_AN1_VREF_VREF 0x0D // A0 A1 VRefh=A3 VRefl=A2 #define AN0 0x0E // A0 #define AN0_VREF_VREF 0x0F // A0 VRefh=A3 VRefl=A2 #define ANALOG_RA3_REF 0x1 //!old only provided for compatibility #define A_ANALOG 0x2 //!old only provided for compatibility #define A_ANALOG_RA3_REF 0x3 //!old only provided for compatibility #define RA0_RA1_RA3_ANALOG 0x4 //!old only provided for compatibility #define RA0_RA1_ANALOG_RA3_REF 0x5 //!old only provided for compatibility #define ANALOG_RA3_RA2_REF 0x8 //!old only provided for compatibility #define ANALOG_NOT_RE1_RE2 0x9 //!old only provided for compatibility #define ANALOG_NOT_RE1_RE2_REF_RA3 0xA //!old only provided for compatibility #define ANALOG_NOT_RE1_RE2_REF_RA3_RA2 0xB //!old only provided for compatibility #define A_ANALOG_RA3_RA2_REF 0xC //!old only provided for compatibility #define RA0_RA1_ANALOG_RA3_RA2_REF 0xD //!old only provided for compatibility #define RA0_ANALOG 0xE //!old only provided for compatibility #define RA0_ANALOG_RA3_RA2_REF 0xF //!old only provided for compatibility // Constants used in READ_ADC() are: #define ADC_START_AND_READ 7 // This is the default if nothing is specified #define ADC_START_ONLY 1 #define ADC_READ_ONLY 6 ////////////////////////////////////////////////////////////////// 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 0xFF0B08 #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_PSP 0x8C80 #define INT_BUSCOL 0x8D08 #define INT_EEPROM 0x8D10 #define INT_TIMER0 0x0B20 #define INT_COMP 0x8D40 #list