Didn't Like Digital Handling

Technical Programming
1

I am used to having 0 mean that the circuit is open and 1 meaning that the circuit is closed, so I did this to the rc digital input portion of ifi_aliases.h:


/* Aliases used to read the pins when used as INPUTS. */
#define rc_dig_in01     !(PORTBbits.RB2)   /* external interrupt RB2/INT2      */
#define rc_dig_in02     !(PORTBbits.RB3)   /* external interrupt RB3/INT3      */
#define rc_dig_in03     !(PORTBbits.RB4)   /* external interrupt-on-change RB4 */
#define rc_dig_in04     !(PORTBbits.RB5)   /* external interrupt-on-change RB5 */
#define rc_dig_in05     !(PORTBbits.RB6)   /* external interrupt-on-change RB6 */
#define rc_dig_in06     !(PORTBbits.RB7)   /* external interrupt-on-change RB7 */
#define rc_dig_in07     !(PORTHbits.RH0)
#define rc_dig_in08     !(PORTHbits.RH1)
#define rc_dig_in09     !(PORTHbits.RH2)
#define rc_dig_in10     !(PORTHbits.RH3)
#define rc_dig_in11     !(PORTJbits.RJ1)
#define rc_dig_in12     !(PORTJbits.RJ2)
#define rc_dig_in13     !(PORTJbits.RJ3)
#define rc_dig_in14     !(PORTCbits.RC0)
#define rc_dig_in15     !(PORTJbits.RJ4)
#define rc_dig_in16     !(PORTJbits.RJ5)
#define rc_dig_in17     !(PORTJbits.RJ6)
#define rc_dig_in18     !(PORTJbits.RJ7

i know it says at the top not to edit the file at all, but I am doing what feels comfortable to me.

feel free to comment my methods

2

You’re likely to cause great confusion by redefining things that everyone else programming the robots in MicroChip C understands in a specific way. I suggest instead that you leave the existing #defines alone and create your own aliases for your own use, like this:


/* Digital input aliases that evaluate to 0 when the input is open and 1 when grounded by a switch. */
#define rc_sw01     !(PORTBbits.RB2)
#define rc_sw02     !(PORTBbits.RB3)
#define rc_sw03     !(PORTBbits.RB4)
...