telemetry_sim.h

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#pragma once
 
#include "bench_state.h"
 
#ifdef __cplusplus
extern "C" {
#endif

typedef struct {
    float cells;
    float cell_nominal_v;
    float internal_ohms;                
    float kv;              
    float no_load_amps;                 
    float stall_amps;      
    float pack_mah;                     
    float rpm_tau_s;       
} telemetry_sim_cfg_t;
 
#define TELEMETRY_SIM_DEFAULT()          \
    (telemetry_sim_cfg_t) {              \
        .cells = 6.0f,                   \
        .cell_nominal_v = 4.05f,         \
        .internal_ohms = 0.018f,         \
        .kv = 920.0f,                    \
        .no_load_amps = 1.4f,            \
        .stall_amps = 78.0f,             \
        .pack_mah = 5000.0f,             \
        .rpm_tau_s = 0.22f,              \
    }

typedef struct {
    telemetry_sim_cfg_t cfg;            
    float rpm;             
    float drawn_mah;                    
    float drawn_wh;                     
    float temp_esc;                     
    float temp_motor;                   
} telemetry_sim_t;

void telemetry_sim_init(telemetry_sim_t *s, const telemetry_sim_cfg_t *cfg);

void telemetry_sim_step(telemetry_sim_t *s, float throttle_pct, float dt_s,
                        bench_state_t *out);
 
#ifdef __cplusplus
}
#endif