mirror of
https://github.com/pybricks/pybricks-api.git
synced 2026-09-12 17:46:19 +00:00
57 lines
2.8 KiB
ReStructuredText
57 lines
2.8 KiB
ReStructuredText
.. pybricks-requirements:: stm32-extra
|
|
|
|
:mod:`ustruct` -- Pack and unpack binary data
|
|
====================================================
|
|
|
|
.. automodule:: ustruct
|
|
|
|
The following byte orders are supported:
|
|
|
|
+-----------+------------------------+----------+-----------+
|
|
| Character | Byte order | Size | Alignment |
|
|
+===========+========================+==========+===========+
|
|
| @ | native | native | native |
|
|
+-----------+------------------------+----------+-----------+
|
|
| < | little-endian | standard | none |
|
|
+-----------+------------------------+----------+-----------+
|
|
| > | big-endian | standard | none |
|
|
+-----------+------------------------+----------+-----------+
|
|
| ! | network (= big-endian) | standard | none |
|
|
+-----------+------------------------+----------+-----------+
|
|
|
|
The following data types are supported:
|
|
|
|
+--------+--------------------+-------------+---------------+
|
|
| Format | C Type | Python type | Standard size |
|
|
+========+====================+=============+===============+
|
|
| b | signed char | integer | 1 |
|
|
+--------+--------------------+-------------+---------------+
|
|
| B | unsigned char | integer | 1 |
|
|
+--------+--------------------+-------------+---------------+
|
|
| h | short | integer | 2 |
|
|
+--------+--------------------+-------------+---------------+
|
|
| H | unsigned short | integer | 2 |
|
|
+--------+--------------------+-------------+---------------+
|
|
| i | int | integer | 4 |
|
|
+--------+--------------------+-------------+---------------+
|
|
| I | unsigned int | integer | 4 |
|
|
+--------+--------------------+-------------+---------------+
|
|
| l | long | integer (1) | 4 |
|
|
+--------+--------------------+-------------+---------------+
|
|
| L | unsigned long | integer (1) | 4 |
|
|
+--------+--------------------+-------------+---------------+
|
|
| q | long long | integer (1) | 8 |
|
|
+--------+--------------------+-------------+---------------+
|
|
| Q | unsigned long long | integer (1) | 8 |
|
|
+--------+--------------------+-------------+---------------+
|
|
| f | float | float | 4 |
|
|
+--------+--------------------+-------------+---------------+
|
|
| d | double | float | 8 |
|
|
+--------+--------------------+-------------+---------------+
|
|
| s | char[] | bytes | |
|
|
+--------+--------------------+-------------+---------------+
|
|
| P | void * | integer | |
|
|
+--------+--------------------+-------------+---------------+
|
|
|
|
- \(1\) Supports values up to +/-1073741823
|