Writing a needet HAL Component

do{ this_cycle++; }while(this_cycle < cycle);

if(!is_warping){

voxters@Vox-CNC:~/Arbeitsfläche$ sudo halcompile --install runner.comp make KBUILD_EXTRA_SYMBOLS=/usr/realtime-3.4-9-rtai-686-pae/modules/linuxcnc/Module.symvers -C /usr/src/linux-headers-3.4-9-rtai-686-pae SUBDIRS=`pwd` CC=gcc V=0 modules make[1]: Entering directory `/usr/src/linux-headers-3.4-9-rtai-686-pae' CC [M] /tmp/tmpLn7hZ4/runner.o runner.comp: In function '_': runner.comp:50:9: warning: value computed is not used [-Wunused-value] runner.comp:57:5: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] Building modules, stage 2. MODPOST 1 modules CC /tmp/tmpLn7hZ4/runner.mod.o LD [M] /tmp/tmpLn7hZ4/runner.ko make[1]: Leaving directory `/usr/src/linux-headers-3.4-9-rtai-686-pae' cp runner.ko /usr/realtime-3.4-9-rtai-686-pae/modules/linuxcnc/ voxters@Vox-CNC:~/Arbeitsfläche$

description """ Example: loadrt u32runner [count=N|names=name1[,name2...]] runner.N.run bit in => run runner.N.from u32 in => Number to start =>(just nice to have) runner.N.to u32 in => Number to count to =>(if there is no "from" this can also be "THE" number) runner.N.speed s32 in => count speed =>(must have - can also be an u32 if in ms) runner.N.cycle bit in => repeat yes/no =>(must have) runner.N.rev bit in => count backwards =>(just nice to have) runner.N.warp bit in => one way or up and down =>(one way is need, up and down is nice to have) runner.N.out u32 out => output =>(need of course) """; author "Rod Webster"; // Example Calibration Data: 0v = 122.9 kHz, 10v = 925.7 Khz should be entered as 122900 and 925700 pin in bit run "count if true"; pin in signed from "number to count from"; pin in signed to "number to count to"; pin in unsigned speed = 1 "number of cycles between counts (default = 1 = one servo thread cycle)"; pin in bit cycle = 1 "if true, start again or stop"; pin in bit warp "if true, count up and then back down"; pin out unsigned out "the number to output"; function _; license "GPL"; ;; #include <rtapi_math.h> FUNCTION(_) { static int first_pass = 1; static int this_cycle = 0; static int step = 1; static int counter = 0; static int is_warping = 0; if(first_pass){ //set up counter = from; first_pass = 0; } if(cycle < 1){ cycle == 1; } if(run){ do{ this_cycle++; }while(this_cycle < cycle); this_cycle = 0; if(!is_warping) if(from > to) // Set the direction to count step = -1; else step = 1; counter += step; if(counter == to){ // we got to the destination counter = to; // stop counting if(warp){ is_warping = 1;{ if(step > 0) step = -1; else step = 0; } } } else{ counter += step; if(counter == to){ is_warping = 0; if(step > 0) step = -1; else step = 0; } } } }

do{ this_cycle++; }while(this_cycle < speed);