Please title this page. (comdefs

/*********************************************************************************************/ /* Program : COMMDEFS.H */ /* Function : Common macros and defines for PIC app’s not defined in pic.h */ /* Author : John F. Fitter B.E. */ /* */ /* Copyright © 1997 Eagle Air Australia Pty. Ltd. All rights reserved */ /*********************************************************************************************/ #ifndef _COMMDEFS_H #define _COMMDEFS_H #include <pic.h> // General PIC macros (additional to pic.h) #define clrwdt() CLRWDT() // Macro to define the ID bytes #define __ID(a,b,c,d) asm("\tpsect absdata, abs ovrld, delta=2"); \ asm("\tglobal id_bytes"); \ asm("\torg 0x2000"); \ asm("id_bytes"); \ asm("\tdb "___mkstr(a)); \ asm("\tdb "___mkstr(b)); \ asm("\tdb "___mkstr(c)); \ asm("\tdb "___mkstr(d)) // General macros #define HIBYTE(intValue) ((intValue)>>8) #define LOBYTE(intValue) ((intValue)&0xff) #define HINIBBLE(charValue) ((charValue)>>4) #define LONIBBLE(charValue) ((charValue)&0xf) // Common bit defines #define B_IN 1 #define B_OUT 0 #define B_HIGH 1 #define B_LOW 0 // Common byte defines #define W_IN 0xff #define W_OUT 0 #define W_HIGH 0xff #define W_LOW 0 // Common peripheral control defines #define P_ON 1 #define P_OFF 0 // Common user interface defines #define I_UP 1 #define I_DOWN 0 // Logical defines #define TRUE 1 #define FALSE 0 #define true TRUE #define false FALSE // Hardware pullup defines #define port_b_pullups(flag) RBPU=flag==0 // ASCII control character defines (useful for comms) #define A_NUL 0 #define A_SOH 1 #define A_STX 2 #define A_ETX 3 #define A_EOT 4 #define A_ENQ 5 #define A_ACK 6 #define A_BEL 7 #define A_BS 8 #define A_HT 9 #define A_LF 0xa #define A_VT 0xb #define A_FF 0xc #define A_CR 0xd #define A_SO 0xe #define A_SI 0xf #define A_DLE 0x10 #define A_DC1 0x11 #define A_DC2 0x12 #define A_DC3 0x13 #define A_DC4 0x14 #define A_NAK 0x15 #define A_SYN 0x16 #define A_ETB 0x17 #define A_CAN 0x18 #define A_EM 0x19 #define A_SUB 0x1a #define A_ESC 0x1b #define A_FS 0x1c #define A_GS 0x1d #define A_RS 0x1e #define A_US 0x1f // Timer 0 defines #define RTCC_INTERNAL 0 // rtcc_state values (OR together) #define RTCC_EXT_L_TO_H 0x20 #define RTCC_EXT_H_TO_L 0x30 #define RTCC_DIV_2 0 // ps_state values (OR together) #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 WDT_18MS 8 #define WDT_36MS 9 #define WDT_72MS 0xa #define WDT_144MS 0xb #define WDT_288MS 0xc #define WDT_576MS 0xd #define WDT_1152MS 0xe #define WDT_2304MS 0xf #define setup_counters(rtcc_state,ps_state) OPTION=(OPTION&0xc0)|rtcc_state|ps_state #define get_rtcc() TMR0 #define set_rtcc(tvalue) TMR0=tvalue #define get_timer0() get_rtcc() #define set_timer0(tvalue) set_rtcc(tvalue) // Timer 1 defines #define T1_ENABLED 1 // timer 1 modes (OR together) #define T1_INTERNAL 1 #define T1_EXTERNAL 7 #define T1_EXTERNAL_SYNC 3 #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 static unsigned int TMR1 @ 0x0E; static unsigned int CCPR1 @ 0x15; static unsigned int CCPR2 @ 0x1B; #define setup_timer_1(mode) T1CON=mode #define enable_timer_1(state) TMR1ON=state #define get_timer1() TMR1 #define set_timer1(tvalue) TMR1=tvalue // Timer 2 defines #define T2_DISABLED 0 // timer 2 modes (OR together) #define T2_DIV_BY_1 4 // T2_DISABLED must be on its own #define T2_DIV_BY_4 5 // postscale is 1 to 16 #define T2_DIV_BY_16 7 #define setup_timer_2(mode,postscale) T2CON=mode|((postscale-1)<<3) #define get_timer2() TMR2 #define set_timer2(tvalue) TMR2=tvalue // CCP defines static volatile bit CCP1 @ (unsigned)&PORTC*8+2; // CCP1 port pin static volatile bit CCP2 @ (unsigned)&PORTC*8+1; // CCP2 port pin #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 #define setup_ccp1(mode) CCP1CON=mode #define setup_ccp2(mode) CCP2CON=mode #define set_ccp1(cvalue) CCPR1=cvalue #define set_ccp2(cvalue) CCPR2=cvalue #define get_ccp1() CCPR1 #define get_ccp2() CCPR2 // Interrupt defines #define GLOBAL 0x80 //#define ADC_DONE #define RTCC_ZERO 0x20 #define RB_CHANGE 0x08 #define EXT_INT 0x10 #define INT_TIMER1 0x0100 #define INT_TIMER2 0x0200 #define INT_CCP1 0x0400 #define INT_CCP2 0x10000 #define INT_SSP 0x0800 #define INT_PSP 0x8000 #define INT_RDA 0x2000 #define INT_TBE 0x1000 #define enable_peripheral_interrupts() PEIE=1 #define enable_global_interrupts() GIE=1 #define enable_interrupts(level) \ INTCON|=(level)&0xff; \ PIE1|=((level)>>8)&0xff; \ PIE2|=(level)>>16 #define enable_rtcc_interrupt() T0IE=1 #define disable_peripheral_interrupts() PEIE=0 #define disable_global_interrupts() do GIE=0;while(GIE) #define disable_interrupts(level) \ INTCON&=~((level)&0xff); \ PIE1&=~(((level)>>8)&0xff); \ PIE2&=~((level)>>16) #define disable_rtcc_interrupt() T0IE=0 // USART defines #define SER_MASTER 0x80 #define SER_9BIT 0x40 #define SER_TX_ENABLE 0x20 #define SER_SYNCHRONOUS 0x10 #define SER_HIGH_BAUD 4 #define SER_TSR_EMPTY 2 #define SER_ENABLE 0x80 #define SER_RX_SGL 0x20 #define SER_RX_CON 0x10 #define kbhit() RCIF #define set_lo_baud(baud) SPBRG=(unsigned char)((2*(long)_CLOCK_/64+(long)baud)/2/\ (long)baud-1);TXSTA &= ~SER_HIGH_BAUD #define set_hi_baud(baud) SPBRG=(unsigned char)((2*(long)_CLOCK_/16+(long)baud)/2/\ (long)baud-1);TXSTA |= SER_HIGH_BAUD #define setup_usart_async8_lo(baud) \ TRISC |= 0xc0;\ TXSTA=SER_MASTER|SER_TX_ENABLE|SER_TSR_EMPTY; \ RCSTA=SER_ENABLE|SER_RX_CON; \ set_lo_baud(baud) #define setup_usart_async9_lo(baud) \ TRISC |= 0xc0;\ TXSTA=SER_MASTER|SER_TX_ENABLE|SER_TSR_EMPTY|SER_9BIT; \ RCSTA=SER_ENABLE|SER_RX_CON|SER_9BIT; \ set_lo_baud(baud) #define setup_usart_async8_hi(baud) \ TRISC |= 0xc0;\ TXSTA=SER_MASTER|SER_TX_ENABLE|SER_TSR_EMPTY; \ RCSTA=SER_ENABLE|SER_RX_CON; \ set_hi_baud(baud) #define setup_usart_async9_hi(baud) \ TRISC |= 0xc0;\ TXSTA=SER_MASTER|SER_TX_ENABLE|SER_TSR_EMPTY|SER_9BIT; \ RCSTA=SER_ENABLE|SER_RX_CON|SER_9BIT; \ set_hi_baud(baud) static volatile bit txd @ (unsigned)&PORTC*8+6; // USART serial data out pin static volatile bit rxd @ (unsigned)&PORTC*8+7; // USART serial data in pin // SPI defines #define SPI_MASTER 0x20 #define SPI_SLAVE 0x24 #define SPI_SS_DISABLED 0x25 #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_enable(en) SSPEN=!!en // enables the spi #define spi_data_is_in() BF // tests the buffer full bit static volatile bit sdo @ (unsigned)&PORTC*8+5; // serial data out pin static volatile bit sdo_dir @ (unsigned)&TRISC*8+5; // serial data out direction bit static volatile bit sdi @ (unsigned)&PORTC*8+4; // serial data in pin static volatile bit sdi_dir @ (unsigned)&TRISC*8+4; // serial data in direction bit static volatile bit sck @ (unsigned)&PORTC*8+3; // serial clock pin static volatile bit sck_dir @ (unsigned)&TRISC*8+3; // serial clock direction bit static volatile bit ss_dir @ (unsigned)&TRISA*8+5; // synchronous slave mode enable bit static volatile bit BF @ (unsigned)&SSPSTAT*8+0; // spi buffer full bit #endif // COMMDEFS_H

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