Files
stmbl/shared/comps/auto_ac.c
2020-09-23 18:19:25 +02:00

44 lines
1.1 KiB
C

#include "comps/auto_ac_comp.h"
#include "hal.h"
#include "defines.h"
HAL_COMP(auto_ac);
HAL_PIN(in);
HAL_PIN(out);
HAL_PIN(lpf);
HAL_PIN(th);
HAL_PIN(offset);
static void nrt_init(void *ctx_ptr, hal_pin_inst_t *pin_ptr) {
// struct auto_ac_ctx_t * ctx = (struct auto_ac_ctx_t *)ctx_ptr;
struct auto_ac_pin_ctx_t *pins = (struct auto_ac_pin_ctx_t *)pin_ptr;
PIN(lpf) = 1.0;
PIN(th) = -1.0;
PIN(offset) = 0.0;
}
static void rt_func(float period, void *ctx_ptr, hal_pin_inst_t *pin_ptr) {
struct auto_ac_pin_ctx_t *pins = (struct auto_ac_pin_ctx_t *)pin_ptr;
if(ABS(PIN(in)) <= PIN(th)){
PIN(offset) = PIN(in) * LP_HZ(PIN(lpf)) + (1.0 - LP_HZ(PIN(lpf))) * PIN(offset);
}
PIN(out) = PIN(in) - PIN(offset);
}
hal_comp_t auto_ac_comp_struct = {
.name = "auto_ac",
.nrt = 0,
.rt = rt_func,
.frt = 0,
.nrt_init = nrt_init,
.rt_start = 0,
.frt_start = 0,
.rt_stop = 0,
.frt_stop = 0,
.ctx_size = 0,
.pin_count = sizeof(struct auto_ac_pin_ctx_t) / sizeof(struct hal_pin_inst_t),
};