James Spadavecchia
/
tyco_encoder_test_02
Revision 0:954607bc2d95, committed 2011-08-02
- Comitter:
- James1208
- Date:
- Tue Aug 02 10:28:54 2011 +0000
- Commit message:
Changed in this revision
main.cpp | Show annotated file Show diff for this revision Revisions of this file |
mbed.bld | Show annotated file Show diff for this revision Revisions of this file |
diff -r 000000000000 -r 954607bc2d95 main.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Tue Aug 02 10:28:54 2011 +0000 @@ -0,0 +1,60 @@ +#include "mbed.h" + +DigitalIn enc_pb (p5); +InterruptIn enc_A (p6); +InterruptIn enc_B (p7); +PwmOut led1 (p22); +PwmOut led2 (p23); + +void enc_int_routine (void); + +bool enc_A_state; +bool enc_B_state; +bool old_enc_A_state; +bool old_enc_B_state; +int val_min = 0; +int val_max = 100; +int val = ((val_max - val_min) / 2) + val_min; +int val_old = val; + +int main() { + enc_pb.mode(PullUp); + enc_A.mode(PullUp); + enc_B.mode(PullUp); + enc_A_state = enc_A; + enc_B_state = enc_B; + enc_A.rise(&enc_int_routine); + enc_B.rise(&enc_int_routine); + enc_A.fall(&enc_int_routine); + enc_B.fall(&enc_int_routine); + while (1) { + if (val != val_old) { + printf("\n\r%i",val); + } // if (val != val_old) + val_old = val; + if (enc_pb) { + led1 = val / 100.0; + led2 = 1.0 - (val / 100.0); + } else { + printf("button\n\r"); + led1 = 0; + led2 = 0; + } // if (enc_pb) + } // while(1) +} // end main + +void enc_int_routine (void) { + old_enc_A_state = enc_A_state; + old_enc_B_state = enc_B_state; + enc_A_state = enc_A; + enc_B_state = enc_B; + if (((enc_A_state != old_enc_A_state) && (enc_B_state != old_enc_B_state)) || ((enc_A_state == old_enc_A_state) && (enc_B_state == old_enc_B_state))) { + val = val; + } else { + if (enc_A_state ^ old_enc_B_state) { + val -= 1; + } else { + val += 1; + } // (enc_A_state ^ old_enc_B_state) + } // if ((enc_A_state != old_enc_A_state) && (enc_B_state != old_enc_B_state)) +} // end enc_A_int_routine \ No newline at end of file
diff -r 000000000000 -r 954607bc2d95 mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Tue Aug 02 10:28:54 2011 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/63bcd7ba4912