/* Autogenerated by /usr/bin/halcompile on Mon Feb 12 10:06:34 2018 -- do not edit */
#include "rtapi.h"
#ifdef RTAPI
#include "rtapi_app.h"
#endif
#include "rtapi_string.h"
#include "rtapi_errno.h"
#include "hal.h"
#include "rtapi_math64.h"

static int comp_id;

#ifdef MODULE_INFO
MODULE_INFO(linuxcnc, "component:flipflop:D type flip-flop");
MODULE_INFO(linuxcnc, "pin:data_:bit:0:in:data input:None:None");
MODULE_INFO(linuxcnc, "pin:clk:bit:0:in:clock, rising edge writes data to out:None:None");
MODULE_INFO(linuxcnc, "pin:set:bit:0:in:when true, force out true:None:None");
MODULE_INFO(linuxcnc, "pin:reset:bit:0:in:when true, force out false; overrides set:None:None");
MODULE_INFO(linuxcnc, "pin:out:bit:0:io:output:None:None");
MODULE_INFO(linuxcnc, "funct:_:0:");
MODULE_INFO(linuxcnc, "license:GPL");
MODULE_LICENSE("GPL");
#endif // MODULE_INFO


struct __comp_state {
    struct __comp_state *_next;
    hal_bit_t *data_;
    hal_bit_t *clk;
    hal_bit_t *set;
    hal_bit_t *reset;
    hal_bit_t *out;
    void *_data;
};
struct __comp_state *__comp_first_inst=0, *__comp_last_inst=0;

static void _(struct __comp_state *__comp_inst, long period);
static int __comp_get_data_size(void);
#undef TRUE
#define TRUE (1)
#undef FALSE
#define FALSE (0)
#undef true
#define true (1)
#undef false
#define false (0)

static int export(char *prefix, long extra_arg) {
    char buf[HAL_NAME_LEN + 1];
    int r = 0;
    int sz = sizeof(struct __comp_state) + __comp_get_data_size();
    struct __comp_state *inst = hal_malloc(sz);
    memset(inst, 0, sz);
    inst->_data = (char*)inst + sizeof(struct __comp_state);
    r = hal_pin_bit_newf(HAL_IN, &(inst->data_), comp_id,
        "%s.data", prefix);
    if(r != 0) return r;
    r = hal_pin_bit_newf(HAL_IN, &(inst->clk), comp_id,
        "%s.clk", prefix);
    if(r != 0) return r;
    r = hal_pin_bit_newf(HAL_IN, &(inst->set), comp_id,
        "%s.set", prefix);
    if(r != 0) return r;
    r = hal_pin_bit_newf(HAL_IN, &(inst->reset), comp_id,
        "%s.reset", prefix);
    if(r != 0) return r;
    r = hal_pin_bit_newf(HAL_IO, &(inst->out), comp_id,
        "%s.out", prefix);
    if(r != 0) return r;
    rtapi_snprintf(buf, sizeof(buf), "%s", prefix);
    r = hal_export_funct(buf, (void(*)(void *inst, long))_, inst, 0, 0, comp_id);
    if(r != 0) return r;
    if(__comp_last_inst) __comp_last_inst->_next = inst;
    __comp_last_inst = inst;
    if(!__comp_first_inst) __comp_first_inst = inst;
    return 0;
}
static int default_count=1, count=0;
char *names[16] = {0,};
RTAPI_MP_INT(count, "number of flipflop");
RTAPI_MP_ARRAY_STRING(names, 16, "names of flipflop");
int rtapi_app_main(void) {
    int r = 0;
    int i;
    comp_id = hal_init("flipflop");
    if(comp_id < 0) return comp_id;
    if(count && names[0]) {
        rtapi_print_msg(RTAPI_MSG_ERR,"count= and names= are mutually exclusive\n");
        return -EINVAL;
    }
    if(!count && !names[0]) count = default_count;
    if(count) {
        for(i=0; i<count; i++) {
            char buf[HAL_NAME_LEN + 1];
            rtapi_snprintf(buf, sizeof(buf), "flipflop.%d", i);
            r = export(buf, i);
            if(r != 0) break;
       }
    } else {
        int max_names = sizeof(names)/sizeof(names[0]);
        for(i=0; (i < max_names) && names[i]; i++) {
            if (strlen(names[i]) < 1) {
                rtapi_print_msg(RTAPI_MSG_ERR, "names[%d] is invalid (empty string)\n", i);
                r = -EINVAL;
                break;
            }
            r = export(names[i], i);
            if(r != 0) break;
       }
    }
    if(r) {
        hal_exit(comp_id);
    } else {
        hal_ready(comp_id);
    }
    return r;
}

void rtapi_app_exit(void) {
    hal_exit(comp_id);
}

#undef FUNCTION
#define FUNCTION(name) static void name(struct __comp_state *__comp_inst, long period)
#undef EXTRA_SETUP
#define EXTRA_SETUP() static int extra_setup(struct __comp_state *__comp_inst, char *prefix, long extra_arg)
#undef EXTRA_CLEANUP
#define EXTRA_CLEANUP() static void extra_cleanup(void)
#undef fperiod
#define fperiod (period * 1e-9)
#undef data_
#define data_ (0+*__comp_inst->data_)
#undef clk
#define clk (0+*__comp_inst->clk)
#undef set
#define set (0+*__comp_inst->set)
#undef reset
#define reset (0+*__comp_inst->reset)
#undef out
#define out (*__comp_inst->out)
#undef data
#define data (*(flipflop_data*)(__comp_inst->_data))


#line 12 "flipflop.comp"

typedef struct { int oldclk; } flipflop_data;

FUNCTION(_) {
    int c;

    c = clk;
    if ( reset ) {
	out = 0;
    } else if ( set ) {
	out = 1;
    } else if ( c && ! data.oldclk ) {
	out = data_;
    }
    data.oldclk = c;
}

static int __comp_get_data_size(void) { return sizeof(flipflop_data); }