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| 217 | extern volatile uint16_t gyroNoisePeak[2]; |
217 | extern volatile uint16_t gyroNoisePeak[2]; |
| 218 | extern volatile uint16_t accNoisePeak[2]; |
218 | extern volatile uint16_t accNoisePeak[2]; |
| Line 219... | Line 219... | ||
| 219 | 219 | ||
| 220 | /* |
220 | /* |
| 221 | * Air pressure. |
221 | * Air pressure. |
| 222 | * The sensor has a sensitivity of 46 mV/kPa. |
222 | * The sensor has a sensitivity of 45 mV/kPa. |
| 223 | * An approximate p(h) formula is = p(h[m])[Pa] = p_0 - 11.95 * 10^-3 * h |
223 | * An approximate p(h) formula is = p(h[m])[Pa] = p_0 - 11.95 * 10^-3 * h |
| 224 | * That is: dV = 46 mV * 11.95 * 10^-3 dh = 0.5497 mV / m. |
224 | * That is: dV = 45 mV * 11.95 * 10^-3 dh = 0.53775 mV / m. |
| 225 | * That is, with 2 * 1.024 / 3 steps per mV: 0.037 steps / m |
225 | * That is, with 1.024 / 3 steps per mV: 0.183552 steps / m |
| 226 | */ |
226 | */ |
| 227 | #define AIRPRESSURE_SUMMATION_FACTOR 16 |
227 | #define AIRPRESSURE_SUMMATION_FACTOR 54 |
| 228 | #define AIRPRESSURE_FILTER 8 |
228 | #define AIRPRESSURE_FILTER 8 |
| 229 | // Minimum A/D value before a range change is performed. |
229 | // Minimum A/D value before a range change is performed. |
| 230 | #define MIN_RAWPRESSURE (200 * 2) |
230 | #define MIN_RAWPRESSURE (200 * 2) |
| 231 | // Maximum A/D value before a range change is performed. |
231 | // Maximum A/D value before a range change is performed. |
| Line 259... | Line 259... | ||
| 259 | * Process the sensor data to update the exported variables. Must be called after each measurement cycle and before the data is used. |
259 | * Process the sensor data to update the exported variables. Must be called after each measurement cycle and before the data is used. |
| 260 | */ |
260 | */ |
| 261 | void analog_update(void); |
261 | void analog_update(void); |
| Line 262... | Line 262... | ||
| 262 | 262 | ||
| 263 | /* |
263 | /* |
| 264 | * "Warm" calibration: Zero-offset gyros. |
264 | * Read gyro and acc.meter calibration from EEPROM. |
| 265 | */ |
265 | */ |
| Line 266... | Line 266... | ||
| 266 | void analog_calibrate(void); |
266 | void analog_setNeutral(void); |
| - | 267 | ||
| - | 268 | /* |
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| - | 269 | * Zero-offset gyros and write the calibration data to EEPROM. |
|
| - | 270 | */ |
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| - | 271 | void analog_calibrateGyros(void); |
|
| 267 | 272 | ||
| 268 | /* |
273 | /* |
| 269 | * "Cold" calibration: Zero-offset accelerometers and write the calibration data to EEPROM. |
274 | * Zero-offset accelerometers and write the calibration data to EEPROM. |
| 270 | */ |
275 | */ |