pic_therm

PIC16F877A and BME280 thermometer
git clone git://git.margiolis.net/pic_therm.git
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extern.h (523B)

      1 #ifndef _EXTERN_H_
      2 #define _EXTERN_H_
      3 
      4 #define NO_BIT_DEFINES
      5 #include <pic14regs.h>
      6 #include <stdint.h>
      7 
      8 /* MCU related constants */
      9 #define _XTAL_FREQ 16000000	/* Crystal oscillator running at 16MHz */
     10 
     11 #define BTN_PORT PORTBbits.RB0
     12 #define BTN_TRIS TRISBbits.TRISB0
     13 #define BTN_DEBOUNCE_TIME_MS 20
     14 
     15 #define LED_PORT PORTBbits.RB1
     16 #define LED_TRIS TRISBbits.TRISB1
     17 
     18 #define OUTPUT 0
     19 #define INPUT 1
     20 
     21 /* Non MCU related constants */
     22 #define NULL ((void *)0)
     23 #define BUFSIZ (3 * sizeof(uint32_t))
     24 
     25 #endif /* _EXTERN_H_ */