stmbl/shared/comps/veltopos.c

46 lines
1.2 KiB
C

#include "veltopos_comp.h"
#include "commands.h"
#include "hal.h"
#include "math.h"
#include "defines.h"
#include "angle.h"
HAL_COMP(veltopos);
HAL_PIN(vel);
HAL_PIN(vel_fb);
HAL_PIN(max_acc);
HAL_PIN(max_vel);
HAL_PIN(polecount);
HAL_PIN(pos);
struct veltopos_ctx_t {
float vel;
};
static void rt_func(float period, void *ctx_ptr, hal_pin_inst_t *pin_ptr) {
struct veltopos_ctx_t *ctx = (struct veltopos_ctx_t *)ctx_ptr;
struct veltopos_pin_ctx_t *pins = (struct veltopos_pin_ctx_t *)pin_ptr;
//ctx->vel = CLAMP(PIN(vel), ctx->vel - PIN(max_acc) * period, ctx->vel + PIN(max_acc) * period);
ctx->vel = LIMIT(ctx->vel, PIN(max_vel));
ctx->vel = CLAMP(PIN(vel), PIN(vel_fb) - PIN(max_acc) * period, PIN(vel_fb) + PIN(max_acc) * period);
PIN(pos) += ctx->vel * PIN(polecount) * period;
PIN(pos) = mod(PIN(pos));
}
hal_comp_t veltopos_comp_struct = {
.name = "veltopos",
.nrt = 0,
.rt = rt_func,
.frt = 0,
.nrt_init = 0,
.rt_start = 0,
.frt_start = 0,
.rt_stop = 0,
.frt_stop = 0,
.ctx_size = sizeof(struct veltopos_ctx_t),
.pin_count = sizeof(struct veltopos_pin_ctx_t) / sizeof(struct hal_pin_inst_t),
};