|
| 1 | +use log::error; |
| 2 | +use sbp::messages::imu::{MsgImuAux, MsgImuRaw}; |
| 3 | + |
| 4 | +use capnp::message::Builder; |
| 5 | +use capnp::serialize; |
| 6 | + |
| 7 | +use crate::console_backend_capnp as m; |
| 8 | +use crate::constants::*; |
| 9 | +use crate::errors::{CAP_N_PROTO_SERIALIZATION_FAILURE, GET_MUT_OBJECT_FAILURE}; |
| 10 | +use crate::types::{Deque, MessageSender, SharedState}; |
| 11 | + |
| 12 | +/// AdvancedInsTab struct. |
| 13 | +/// |
| 14 | +/// # Fields: |
| 15 | +/// |
| 16 | +/// - `client_send`: Client Sender channel for communication from backend to frontend. |
| 17 | +/// - `imu_conf`: Storage for the Imu configuration. |
| 18 | +/// - `imu_temp`: Storage for the raw Imu temperature converted to proper units. |
| 19 | +/// - `rms_acc_x`: The calculated root mean squared imu acceleration for x axis. |
| 20 | +/// - `rms_acc_y`: The calculated root mean squared imu acceleration for y axis. |
| 21 | +/// - `rms_acc_z`: The calculated root mean squared imu acceleration for z axis. |
| 22 | +/// - `acc_x`: The stored historic Imu acceleration values along x axis. |
| 23 | +/// - `acc_y`: The stored historic Imu acceleration values along y axis. |
| 24 | +/// - `acc_z`: The stored historic Imu acceleration values along z axis. |
| 25 | +/// - `gyro_x`: The stored historic Imu angular rate values along x axis. |
| 26 | +/// - `gyro_y`: The stored historic Imu angular rate values along y axis. |
| 27 | +/// - `gyro_z`: The stored historic Imu angular rate values along z axis. |
| 28 | +/// - `shared_state`: The shared state for communicating between frontend/backend/other backend tabs. |
| 29 | +#[derive(Debug)] |
| 30 | +pub struct AdvancedInsTab<S: MessageSender> { |
| 31 | + client_sender: S, |
| 32 | + imu_conf: u8, |
| 33 | + imu_temp: f64, |
| 34 | + rms_acc_x: f64, |
| 35 | + rms_acc_y: f64, |
| 36 | + rms_acc_z: f64, |
| 37 | + acc_x: Deque<f64>, |
| 38 | + acc_y: Deque<f64>, |
| 39 | + acc_z: Deque<f64>, |
| 40 | + gyro_x: Deque<f64>, |
| 41 | + gyro_y: Deque<f64>, |
| 42 | + gyro_z: Deque<f64>, |
| 43 | + shared_state: SharedState, |
| 44 | +} |
| 45 | + |
| 46 | +impl<S: MessageSender> AdvancedInsTab<S> { |
| 47 | + pub fn new(shared_state: SharedState, client_sender: S) -> AdvancedInsTab<S> { |
| 48 | + let acc_fill_val = Some(0_f64); |
| 49 | + let gyro_fill_val = Some(0_f64); |
| 50 | + AdvancedInsTab { |
| 51 | + client_sender, |
| 52 | + imu_conf: 0_u8, |
| 53 | + imu_temp: 0_f64, |
| 54 | + rms_acc_x: 0_f64, |
| 55 | + rms_acc_y: 0_f64, |
| 56 | + rms_acc_z: 0_f64, |
| 57 | + acc_x: Deque::with_size_limit(NUM_POINTS, acc_fill_val), |
| 58 | + acc_y: Deque::with_size_limit(NUM_POINTS, acc_fill_val), |
| 59 | + acc_z: Deque::with_size_limit(NUM_POINTS, acc_fill_val), |
| 60 | + gyro_x: Deque::with_size_limit(NUM_POINTS, gyro_fill_val), |
| 61 | + gyro_y: Deque::with_size_limit(NUM_POINTS, gyro_fill_val), |
| 62 | + gyro_z: Deque::with_size_limit(NUM_POINTS, gyro_fill_val), |
| 63 | + shared_state, |
| 64 | + } |
| 65 | + } |
| 66 | + |
| 67 | + /// Method for preparing some rms_acc data and initiating sending of data to frontend. |
| 68 | + fn imu_set_data(&mut self) { |
| 69 | + let acc_x = &mut self.acc_x.get(); |
| 70 | + let acc_y = &mut self.acc_y.get(); |
| 71 | + let acc_z = &mut self.acc_z.get(); |
| 72 | + let acc_range = self.imu_conf & 0xF; |
| 73 | + let sig_figs = f64::powi(2_f64, acc_range as i32 + 1_i32) / f64::powi(2_f64, 15); |
| 74 | + let (rms_x, rms_y, rms_z) = { |
| 75 | + let mut squared_sum_x: f64 = 0_f64; |
| 76 | + let mut squared_sum_y: f64 = 0_f64; |
| 77 | + let mut squared_sum_z: f64 = 0_f64; |
| 78 | + for idx in 0..NUM_POINTS { |
| 79 | + squared_sum_x += f64::powi(acc_x[idx], 2); |
| 80 | + squared_sum_y += f64::powi(acc_y[idx], 2); |
| 81 | + squared_sum_z += f64::powi(acc_z[idx], 2); |
| 82 | + } |
| 83 | + ( |
| 84 | + f64::sqrt(squared_sum_x / acc_x.len() as f64), |
| 85 | + f64::sqrt(squared_sum_y / acc_y.len() as f64), |
| 86 | + f64::sqrt(squared_sum_z / acc_z.len() as f64), |
| 87 | + ) |
| 88 | + }; |
| 89 | + self.rms_acc_x = sig_figs * rms_x; |
| 90 | + self.rms_acc_y = sig_figs * rms_y; |
| 91 | + self.rms_acc_z = sig_figs * rms_z; |
| 92 | + self.send_data(); |
| 93 | + } |
| 94 | + |
| 95 | + /// Handler for Imu Aux messages. |
| 96 | + /// |
| 97 | + /// # Parameters |
| 98 | + /// - `msg`: MsgImuAux to extract data from. |
| 99 | + pub fn handle_imu_aux(&mut self, msg: MsgImuAux) { |
| 100 | + match msg.imu_type { |
| 101 | + 0 => { |
| 102 | + self.imu_temp = 23_f64 + msg.temp as f64 / f64::powi(2_f64, 9); |
| 103 | + self.imu_conf = msg.imu_conf; |
| 104 | + } |
| 105 | + 1 => { |
| 106 | + self.imu_temp = 25_f64 + msg.temp as f64 / 256_f64; |
| 107 | + self.imu_conf = msg.imu_conf; |
| 108 | + } |
| 109 | + _ => { |
| 110 | + error!("IMU type {} not known.", msg.imu_type); |
| 111 | + } |
| 112 | + } |
| 113 | + } |
| 114 | + |
| 115 | + /// Handler for Imu Raw messages. |
| 116 | + /// |
| 117 | + /// # Parameters |
| 118 | + /// - `msg`: MsgImuRaw to extract data from. |
| 119 | + pub fn handle_imu_raw(&mut self, msg: MsgImuRaw) { |
| 120 | + self.acc_x.add(msg.acc_x as f64); |
| 121 | + self.acc_y.add(msg.acc_y as f64); |
| 122 | + self.acc_z.add(msg.acc_z as f64); |
| 123 | + self.gyro_x.add(msg.gyr_x as f64); |
| 124 | + self.gyro_y.add(msg.gyr_y as f64); |
| 125 | + self.gyro_z.add(msg.gyr_z as f64); |
| 126 | + self.imu_set_data(); |
| 127 | + } |
| 128 | + |
| 129 | + /// Package data into a message buffer and send to frontend. |
| 130 | + fn send_data(&mut self) { |
| 131 | + let mut builder = Builder::new_default(); |
| 132 | + let msg = builder.init_root::<m::message::Builder>(); |
| 133 | + |
| 134 | + let mut tab_status = msg.init_advanced_ins_status(); |
| 135 | + |
| 136 | + let mut tab_points = tab_status.reborrow().init_data(NUM_INS_PLOT_ROWS as u32); |
| 137 | + |
| 138 | + let mut points_vec = vec![ |
| 139 | + self.acc_x.get(), |
| 140 | + self.acc_y.get(), |
| 141 | + self.acc_z.get(), |
| 142 | + self.gyro_x.get(), |
| 143 | + self.gyro_y.get(), |
| 144 | + self.gyro_z.get(), |
| 145 | + ]; |
| 146 | + for idx in 0..NUM_INS_PLOT_ROWS { |
| 147 | + let points = points_vec.get_mut(idx).expect(GET_MUT_OBJECT_FAILURE); |
| 148 | + let mut point_val_idx = tab_points.reborrow().init(idx as u32, points.len() as u32); |
| 149 | + for idx in 0..NUM_POINTS { |
| 150 | + let mut point_val = point_val_idx.reborrow().get(idx as u32); |
| 151 | + point_val.set_x(idx as f64); |
| 152 | + point_val.set_y(points[idx]); |
| 153 | + } |
| 154 | + } |
| 155 | + let fields_data = { |
| 156 | + vec![ |
| 157 | + self.imu_temp, |
| 158 | + self.imu_conf as f64, |
| 159 | + self.rms_acc_x, |
| 160 | + self.rms_acc_y, |
| 161 | + self.rms_acc_z, |
| 162 | + ] |
| 163 | + }; |
| 164 | + let mut fields_data_status = tab_status |
| 165 | + .reborrow() |
| 166 | + .init_fields_data(NUM_INS_FIELDS as u32); |
| 167 | + |
| 168 | + for (i, datur) in fields_data.iter().enumerate() { |
| 169 | + fields_data_status.set(i as u32, *datur); |
| 170 | + } |
| 171 | + |
| 172 | + let mut msg_bytes: Vec<u8> = vec![]; |
| 173 | + serialize::write_message(&mut msg_bytes, &builder) |
| 174 | + .expect(CAP_N_PROTO_SERIALIZATION_FAILURE); |
| 175 | + self.client_sender.send_data(msg_bytes); |
| 176 | + } |
| 177 | +} |
| 178 | + |
| 179 | +#[cfg(test)] |
| 180 | +mod tests { |
| 181 | + use super::*; |
| 182 | + use crate::types::TestSender; |
| 183 | + use sbp::messages::imu::{MsgImuAux, MsgImuRaw}; |
| 184 | + |
| 185 | + #[test] |
| 186 | + fn handle_imu_raw_test() { |
| 187 | + let shared_state = SharedState::new(); |
| 188 | + let client_send = TestSender { inner: Vec::new() }; |
| 189 | + let mut ins_tab = AdvancedInsTab::new(shared_state, client_send); |
| 190 | + let tow = 1_u32; |
| 191 | + let tow_f = 1_u8; |
| 192 | + let acc_x = 2_i16; |
| 193 | + let acc_y = 3_i16; |
| 194 | + let acc_z = 4_i16; |
| 195 | + let gyr_x = 5_i16; |
| 196 | + let gyr_y = 6_i16; |
| 197 | + let gyr_z = 7_i16; |
| 198 | + let msg = MsgImuRaw { |
| 199 | + sender_id: Some(1337), |
| 200 | + tow, |
| 201 | + tow_f, |
| 202 | + acc_x, |
| 203 | + acc_y, |
| 204 | + acc_z, |
| 205 | + gyr_x, |
| 206 | + gyr_y, |
| 207 | + gyr_z, |
| 208 | + }; |
| 209 | + let acc_xs = ins_tab.acc_x.get(); |
| 210 | + let acc_ys = ins_tab.acc_y.get(); |
| 211 | + let acc_zs = ins_tab.acc_z.get(); |
| 212 | + let gyro_xs = ins_tab.gyro_x.get(); |
| 213 | + let gyro_ys = ins_tab.gyro_y.get(); |
| 214 | + let gyro_zs = ins_tab.gyro_z.get(); |
| 215 | + for idx in 0..NUM_POINTS { |
| 216 | + assert!(f64::abs(acc_xs[idx] - 0_f64) <= f64::EPSILON); |
| 217 | + assert!(f64::abs(acc_ys[idx] - 0_f64) <= f64::EPSILON); |
| 218 | + assert!(f64::abs(acc_zs[idx] - 0_f64) <= f64::EPSILON); |
| 219 | + assert!(f64::abs(gyro_xs[idx] - 0_f64) <= f64::EPSILON); |
| 220 | + assert!(f64::abs(gyro_ys[idx] - 0_f64) <= f64::EPSILON); |
| 221 | + assert!(f64::abs(gyro_zs[idx] - 0_f64) <= f64::EPSILON); |
| 222 | + } |
| 223 | + assert!(f64::abs(ins_tab.rms_acc_x - 0_f64) <= f64::EPSILON); |
| 224 | + assert!(f64::abs(ins_tab.rms_acc_y - 0_f64) <= f64::EPSILON); |
| 225 | + assert!(f64::abs(ins_tab.rms_acc_z - 0_f64) <= f64::EPSILON); |
| 226 | + ins_tab.handle_imu_raw(msg); |
| 227 | + let acc_xs = ins_tab.acc_x.get(); |
| 228 | + let acc_ys = ins_tab.acc_y.get(); |
| 229 | + let acc_zs = ins_tab.acc_z.get(); |
| 230 | + let gyro_xs = ins_tab.gyro_x.get(); |
| 231 | + let gyro_ys = ins_tab.gyro_y.get(); |
| 232 | + let gyro_zs = ins_tab.gyro_z.get(); |
| 233 | + assert!(f64::abs(acc_xs[NUM_POINTS - 1] - acc_x as f64) <= f64::EPSILON); |
| 234 | + assert!(f64::abs(acc_ys[NUM_POINTS - 1] - acc_y as f64) <= f64::EPSILON); |
| 235 | + assert!(f64::abs(acc_zs[NUM_POINTS - 1] - acc_z as f64) <= f64::EPSILON); |
| 236 | + assert!(f64::abs(gyro_xs[NUM_POINTS - 1] - gyr_x as f64) <= f64::EPSILON); |
| 237 | + assert!(f64::abs(gyro_ys[NUM_POINTS - 1] - gyr_y as f64) <= f64::EPSILON); |
| 238 | + assert!(f64::abs(gyro_zs[NUM_POINTS - 1] - gyr_z as f64) <= f64::EPSILON); |
| 239 | + assert!(f64::abs(ins_tab.rms_acc_x - 0_f64) > f64::EPSILON); |
| 240 | + assert!(f64::abs(ins_tab.rms_acc_y - 0_f64) > f64::EPSILON); |
| 241 | + assert!(f64::abs(ins_tab.rms_acc_z - 0_f64) > f64::EPSILON); |
| 242 | + } |
| 243 | + |
| 244 | + #[test] |
| 245 | + fn handle_imu_aux_test() { |
| 246 | + let shared_state = SharedState::new(); |
| 247 | + let client_send = TestSender { inner: Vec::new() }; |
| 248 | + let mut ins_tab = AdvancedInsTab::new(shared_state.clone(), client_send.clone()); |
| 249 | + let imu_type_a = 0_u8; |
| 250 | + let imu_type_b = 1_u8; |
| 251 | + let imu_type_unknown = 2_u8; |
| 252 | + let imu_conf = 1_u8; |
| 253 | + let temp = 200; |
| 254 | + let msg = MsgImuAux { |
| 255 | + sender_id: Some(1337), |
| 256 | + imu_type: imu_type_unknown, |
| 257 | + imu_conf, |
| 258 | + temp, |
| 259 | + }; |
| 260 | + assert!(f64::abs(ins_tab.imu_temp - 0_f64) <= f64::EPSILON); |
| 261 | + assert_eq!(ins_tab.imu_conf, 0_u8); |
| 262 | + ins_tab.handle_imu_aux(msg); |
| 263 | + assert!(f64::abs(ins_tab.imu_temp - 0_f64) <= f64::EPSILON); |
| 264 | + assert_ne!(ins_tab.imu_conf, imu_conf); |
| 265 | + |
| 266 | + let mut ins_tab = AdvancedInsTab::new(shared_state.clone(), client_send.clone()); |
| 267 | + let msg = MsgImuAux { |
| 268 | + sender_id: Some(1337), |
| 269 | + imu_type: imu_type_a, |
| 270 | + imu_conf, |
| 271 | + temp, |
| 272 | + }; |
| 273 | + assert!(f64::abs(ins_tab.imu_temp - 0_f64) <= f64::EPSILON); |
| 274 | + assert_eq!(ins_tab.imu_conf, 0_u8); |
| 275 | + ins_tab.handle_imu_aux(msg); |
| 276 | + assert!(f64::abs(ins_tab.imu_temp - 23.390625_f64) <= f64::EPSILON); |
| 277 | + assert_eq!(ins_tab.imu_conf, imu_conf); |
| 278 | + |
| 279 | + let mut ins_tab = AdvancedInsTab::new(shared_state, client_send); |
| 280 | + let msg = MsgImuAux { |
| 281 | + sender_id: Some(1337), |
| 282 | + imu_type: imu_type_b, |
| 283 | + imu_conf, |
| 284 | + temp, |
| 285 | + }; |
| 286 | + assert!(f64::abs(ins_tab.imu_temp - 0_f64) <= f64::EPSILON); |
| 287 | + assert_eq!(ins_tab.imu_conf, 0_u8); |
| 288 | + ins_tab.handle_imu_aux(msg); |
| 289 | + assert!(f64::abs(ins_tab.imu_temp - 25.78125_f64) <= f64::EPSILON); |
| 290 | + assert_eq!(ins_tab.imu_conf, imu_conf); |
| 291 | + } |
| 292 | + |
| 293 | + #[test] |
| 294 | + fn handle_imu_send_data_test() { |
| 295 | + let shared_state = SharedState::new(); |
| 296 | + let client_send = TestSender { inner: Vec::new() }; |
| 297 | + let mut ins_tab = AdvancedInsTab::new(shared_state, client_send); |
| 298 | + |
| 299 | + assert!(f64::abs(ins_tab.rms_acc_x - 0_f64) <= f64::EPSILON); |
| 300 | + assert!(f64::abs(ins_tab.rms_acc_y - 0_f64) <= f64::EPSILON); |
| 301 | + assert!(f64::abs(ins_tab.rms_acc_z - 0_f64) <= f64::EPSILON); |
| 302 | + |
| 303 | + let imu_type = 0_u8; |
| 304 | + let imu_conf = 1_u8; |
| 305 | + let temp = 200; |
| 306 | + let msg = MsgImuAux { |
| 307 | + sender_id: Some(1337), |
| 308 | + imu_type, |
| 309 | + imu_conf, |
| 310 | + temp, |
| 311 | + }; |
| 312 | + ins_tab.handle_imu_aux(msg); |
| 313 | + |
| 314 | + let tow = 1_u32; |
| 315 | + let tow_f = 1_u8; |
| 316 | + let acc_x = 2_i16; |
| 317 | + let acc_y = 3_i16; |
| 318 | + let acc_z = 4_i16; |
| 319 | + let gyr_x = 5_i16; |
| 320 | + let gyr_y = 6_i16; |
| 321 | + let gyr_z = 7_i16; |
| 322 | + let msg = MsgImuRaw { |
| 323 | + sender_id: Some(1337), |
| 324 | + tow, |
| 325 | + tow_f, |
| 326 | + acc_x, |
| 327 | + acc_y, |
| 328 | + acc_z, |
| 329 | + gyr_x, |
| 330 | + gyr_y, |
| 331 | + gyr_z, |
| 332 | + }; |
| 333 | + ins_tab.handle_imu_raw(msg); |
| 334 | + let sig_figs = 0.0001220703125_f64; |
| 335 | + let acc_x = acc_x as f64; |
| 336 | + let acc_y = acc_y as f64; |
| 337 | + let acc_z = acc_z as f64; |
| 338 | + |
| 339 | + let rms_acc_x = f64::sqrt((acc_x * acc_x) / NUM_POINTS as f64); |
| 340 | + let rms_acc_y = f64::sqrt((acc_y * acc_y) / NUM_POINTS as f64); |
| 341 | + let rms_acc_z = f64::sqrt((acc_z * acc_z) / NUM_POINTS as f64); |
| 342 | + assert!(f64::abs(ins_tab.rms_acc_x - rms_acc_x * sig_figs) <= f64::EPSILON); |
| 343 | + assert!(f64::abs(ins_tab.rms_acc_y - rms_acc_y * sig_figs) <= f64::EPSILON); |
| 344 | + assert!(f64::abs(ins_tab.rms_acc_z - rms_acc_z * sig_figs) <= f64::EPSILON); |
| 345 | + |
| 346 | + let acc_x = 4_i16; |
| 347 | + let acc_y = 6_i16; |
| 348 | + let acc_z = 8_i16; |
| 349 | + let msg = MsgImuRaw { |
| 350 | + sender_id: Some(1337), |
| 351 | + tow, |
| 352 | + tow_f, |
| 353 | + acc_x, |
| 354 | + acc_y, |
| 355 | + acc_z, |
| 356 | + gyr_x, |
| 357 | + gyr_y, |
| 358 | + gyr_z, |
| 359 | + }; |
| 360 | + ins_tab.handle_imu_raw(msg); |
| 361 | + let sig_figs = 0.0001220703125_f64; |
| 362 | + let acc_x = acc_x as f64; |
| 363 | + let acc_y = acc_y as f64; |
| 364 | + let acc_z = acc_z as f64; |
| 365 | + let rms_acc_x = |
| 366 | + f64::sqrt((acc_x * acc_x + (acc_x / 2_f64) * (acc_x / 2_f64)) / NUM_POINTS as f64); |
| 367 | + let rms_acc_y = |
| 368 | + f64::sqrt((acc_y * acc_y + (acc_y / 2_f64) * (acc_y / 2_f64)) / NUM_POINTS as f64); |
| 369 | + let rms_acc_z = |
| 370 | + f64::sqrt((acc_z * acc_z + (acc_z / 2_f64) * (acc_z / 2_f64)) / NUM_POINTS as f64); |
| 371 | + assert!(f64::abs(ins_tab.rms_acc_x - rms_acc_x * sig_figs) <= f64::EPSILON); |
| 372 | + assert!(f64::abs(ins_tab.rms_acc_y - rms_acc_y * sig_figs) <= f64::EPSILON); |
| 373 | + assert!(f64::abs(ins_tab.rms_acc_z - rms_acc_z * sig_figs) <= f64::EPSILON); |
| 374 | + } |
| 375 | +} |
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