nrfutil pkg generate --help显示一些帮助信息，可以查看sd req的版本号
Usage: nrfutil pkg generate [OPTIONS] ZIPFILE
Generate a zip package for distribution to apps that support Nordic DFU
OTA. The application, bootloader, and SoftDevice files are converted to
.bin if supplied as .hex files. For more information on the generated
package, see: http://developer.nordicsemi.com/nRF5_SDK/doc/
The following combinations are supported by this command:
* BL only: Supported.
* SD only: Supported (SD of same Major Version).
* APP only: Supported.
* BL + SD: Supported.
* BL + APP: Not supported (use two packages instead).
* BL + SD + APP: Supported.
* SD + APP: Supported (SD of same Major Version).
Options:
--debug-mode Debug mode switch, enables version check
skipping.
--application TEXT The application firmware file.
--application-version INTEGER The application version.
--application-version-string TEXT
The application version string, e.g
"2.7.31".
--bootloader TEXT The bootloader firmware file.
--bootloader-version INTEGER The bootloader version.
--hw-version INTEGER The hardware version.
--sd-req TEXT The SoftDevice requirements. A comma-
separated list of SoftDevice firmware IDs
(1 or more) of which one must be present on
the target device. Each item on the list
must be in hex and prefixed with "0x".A
list of the possible values to use with
this option follows:
|s130_nrf51_1.0.0|0x67|
|s130_nrf51_2.0.0|0x80|
|s132_nrf52_2.0.0|0x81|
|s130_nrf51_2.0.1|0x87|
|s132_nrf52_2.0.1|0x88|
|s132_nrf52_3.0.0|0x8C|
|s132_nrf52_3.1.0|0x91|
|s132_nrf52_4.0.0|0x95|
|s132_nrf52_4.0.2|0x98|
|s132_nrf52_4.0.3|0x99|
|s132_nrf52_4.0.4|0x9E|
|s132_nrf52_5.0.0|0x9D|
--sd-id TEXT The new SoftDevice ID to be used as --sd-
req for the Application update in case the
ZIP contains a SoftDevice and an
Application.
--softdevice TEXT The SoftDevice firmware file.
--key-file PATH The private (signing) key in PEM fomat.
[required]
--help Show this message and exit.