Changes for page LMDS200 -- LoRaWAN Microwave Radar Distance Sensor User Manual
Last modified by Mengting Qiu on 2024/03/07 08:41
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... ... @@ -197,15 +197,15 @@ 197 197 (% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %) 198 198 |=(% style="width: 62.5px;" %)((( 199 199 **Size (bytes)** 200 -)))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1** 201 -|(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|((( 202 -[[Distance>>||anchor="H2.3.3A0Distance"]] 200 +)))|=(% style="width: 62.5px;" %)**2**|=(% style="width: 62.5px;" %)**2**|=**2**|=**2**|=**1**|=**1**|=**1** 201 +|(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(% style="width:62.5px" %)((( 202 +[[Temperature DS18B20>>||anchor="H2.3.2A0DS18B20Temperaturesensor"]] 203 +)))|[[Distance>>||anchor="H2.3.3A0Distance"]]|[[Distance signal strength>>||anchor="H2.3.4A0Distancesignalstrength"]]|((( 204 +[[Interrupt flag>>||anchor="H2.3.5A0InterruptPin"]] 205 +)))|[[LiDAR temp>>||anchor="H2.3.6A0LiDARtemp"]]|((( 206 +[[Message Type>>||anchor="H2.3.7A0MessageType"]] 207 +))) 203 203 204 -(unit: mm) 205 -)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.4A0Distancesignalstrength"]]|((( 206 -[[Temperature (Optional )>>||anchor="H2.3.5A0InterruptPin"]] 207 -)))|[[Sensor Flag>>path:#Sensor_Flag]] 208 - 209 209 [[image:1654833689380-972.png]] 210 210 211 211 ... ... @@ -213,7 +213,7 @@ 213 213 === 2.3.1 Battery Info === 214 214 215 215 216 -Check the battery voltage for LD DS75.216 +Check the battery voltage for LLDS12. 217 217 218 218 Ex1: 0x0B45 = 2885mV 219 219 ... ... @@ -221,23 +221,49 @@ 221 221 222 222 223 223 224 -=== 2.3.2 D istance ===224 +=== 2.3.2 DS18B20 Temperature sensor === 225 225 226 - Get thedistance.Flatobject range280mm-7500mm.226 +This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature. 227 227 228 -For example, if the data you get from the register is 0x0B 0x05, the distance between the sensor and the measured object is 229 229 230 -** 0B05(H) = 2821 (D) = 2821mm.**229 +**Example**: 231 231 231 +If payload is: 0105H: (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree 232 232 233 -* If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor. 234 -* If the sensor value lower than 0x0118 (280mm), the sensor value will be invalid. Since v1.1.4, all value lower than 280mm will be set to 0x0014(20mm) which means the value is invalid. 233 +If payload is: FF3FH : (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees. 235 235 236 236 237 -=== 2.3.3 Interrupt Pin === 238 238 237 +=== 2.3.3 Distance === 238 + 239 +Represents the distance value of the measurement output, the default unit is cm, and the value range parsed as a decimal number is 0-1200. In actual use, when the signal strength value Strength. 240 + 241 + 242 +**Example**: 243 + 244 +If the data you get from the register is 0x0B 0xEA, the distance between the sensor and the measured object is 0BEA(H) = 3050 (D)/10 = 305cm. 245 + 246 + 247 + 248 +=== 2.3.4 Distance signal strength === 249 + 250 +Refers to the signal strength, the default output value will be between 0-65535. When the distance measurement gear is fixed, the farther the distance measurement is, the lower the signal strength; the lower the target reflectivity, the lower the signal strength. When Strength is greater than 100 and not equal to 65535, the measured value of Dist is considered credible. 251 + 252 + 253 +**Example**: 254 + 255 +If payload is: 01D7(H)=471(D), distance signal strength=471, 471>100,471≠65535, the measured value of Dist is considered credible. 256 + 257 +Customers can judge whether they need to adjust the environment based on the signal strength. 258 + 259 + 260 + 261 +=== 2.3.5 Interrupt Pin === 262 + 239 239 This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H4.2A0SetInterruptMode"]] for the hardware and software set up. 240 240 265 +Note: The Internet Pin is a separate pin in the screw terminal. See [[pin mapping>>||anchor="H1.6A0Pinmappingandpoweron"]]. 266 + 241 241 **Example:** 242 242 243 243 0x00: Normal uplink packet. ... ... @@ -245,28 +245,35 @@ 245 245 0x01: Interrupt Uplink Packet. 246 246 247 247 248 -=== 2.3.4 DS18B20 Temperature sensor === 249 249 250 - Thisis optional, user can connect external DS18B20 sensor to the +3.3v,1-wire and GNDpin . andthis field will report temperature.275 +=== 2.3.6 LiDAR temp === 251 251 252 - **Example**:277 +Characterize the internal temperature value of the sensor. 253 253 254 -If payload is: 0105H: (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree 279 +**Example: ** 280 +If payload is: 1C(H) <<24>>24=28(D),LiDAR temp=28℃. 281 +If payload is: F2(H) <<24>>24=-14(D),LiDAR temp=-14℃. 255 255 256 -If payload is: FF3FH : (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees. 257 257 258 -Note: DS18B20 feature is supported in the hardware version > v1.3 which made since early of 2021. 259 259 260 -=== 2.3. 5Sensor Flag ===285 +=== 2.3.7 Message Type === 261 261 262 -0x01: Detect Ultrasonic Sensor 287 +((( 288 +For a normal uplink payload, the message type is always 0x01. 289 +))) 263 263 264 -0x00: No Ultrasonic Sensor 291 +((( 292 +Valid Message Type: 293 +))) 265 265 266 266 267 -=== 268 -(% style="color:inherit; font-family:inherit" %)2.3.6 Decode payload in The Things Network(%%) === 296 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:499px" %) 297 +|=(% style="width: 160px;" %)**Message Type Code**|=(% style="width: 163px;" %)**Description**|=(% style="width: 173px;" %)**Payload** 298 +|(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)[[Normal Uplink Payload>>||anchor="H2.3A0200BUplinkPayload"]] 299 +|(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)[[Configure Info Payload>>||anchor="H4.3A0GetFirmwareVersionInfo"]] 269 269 301 +=== 2.3.8 Decode payload in The Things Network === 302 + 270 270 While using TTN network, you can add the payload format to decode the payload. 271 271 272 272