Issue link: https://read.uberflip.com/i/1464686
LoRaWAN ® Multi-Package Access Protocol Specification TS007-1.0.0 ©2022 LoRa Alliance ® Page 10 of 15 The authors reserve the right to change specifications without notice. 4.1 Package Version Commands (PackageVersionReq, 260 PackageVersionAns) 261 262 The PackageVersionReq command has no payload. 263 264 The end-device SHALL answer this command with a PackageVersionAns command with 265 the following payload: 266 267 Size (octets) 1 1 Field PackageIdentifier PackageVersion Table 7: PackageVersionAns 268 PackageIdentifier uniquely identifies the package. 269 270 PackageVersion corresponds to the version of the package specification implemented 271 by the end-device. 272 4.2 Device Package Commands (DevPackageReq, DevPackageAns) 273 274 The DevPackageReq command has no payload. 275 276 The end-device responds to the DevPackageReq command with a DevPackageAns with 277 the following payload: 278 279 Size (octets) 1 1 1 1 1 1 1 … Field Nb Packages Package A identifier Package A version PortA Package B identifier Package B version PortB … Table 8: Payload of DevPackageAns 280 Nb Packages contains the total number of packages implemented by the end-device 281 (including "multi-package"). 282 283 Bits 7:4 3:0 Nb Packages Fields RFU NbTotalPackages Table 9: DevPackageAns Nb Packages fields 284 NbTotalPackages is the total number of packages implemented by the end-device. 285 286 Package X identifier is the package identifier (PackageIdentifier) of a 287 package implemented on the end-device. This package identifier is unique per package and 288 is defined in the specification document of each package. 289 290 Package X version is the major version (PackageVersion) of the package 291 implemented on the end-device. The capabilities of a package version are defined in the 292 specification document of each package. 293 294 Port is the FPort at which the end-device can receive or answer commands for this 295 package. 296