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stmbl/shared/comps/ramp.c
2017-12-04 16:54:51 +01:00

41 lines
1005 B
C

#include "commands.h"
#include "hal.h"
#include "defines.h"
HAL_COMP(ramp);
// input
HAL_PIN(vel_ext_cmd);
HAL_PIN(vel_fb);
HAL_PIN(max_torque);
HAL_PIN(torque_fb);
HAL_PIN(scale);
HAL_PIN(max_acc);
// output
HAL_PIN(vel_cmd);
static void rt_func(float period, volatile void *ctx_ptr, volatile hal_pin_inst_t *pin_ptr) {
// struct ramp_ctx_t *ctx = (struct ramp_ctx_t *)ctx_ptr;
struct ramp_pin_ctx_t *pins = (struct ramp_pin_ctx_t *)pin_ptr;
float vel_error = PIN(vel_ext_cmd) - PIN(vel_fb);
PIN(vel_cmd) = PIN(vel_fb) + LIMIT(vel_error, PIN(max_acc) * period) * LIMIT(5.0 * (1.0 - ABS(PIN(torque_fb)) / MAX(PIN(scale) * PIN(max_torque), 0.01)), 1.0);
;
}
hal_comp_t ramp_comp_struct = {
.name = "ramp",
.nrt = 0,
.rt = rt_func,
.frt = 0,
.nrt_init = 0,
.rt_start = 0,
.frt_start = 0,
.rt_stop = 0,
.frt_stop = 0,
.ctx_size = 0,
.pin_count = sizeof(struct ramp_pin_ctx_t) / sizeof(struct hal_pin_inst_t),
};