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add Modbus polling mode for DCU1000 (#305)

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* add Modbus scanning mode

* fix modbus polling for DCU 1000

* add modbus register for DCU 1000

* calculate meta values from modbus regs

* update changelog

* reduce code duplication

* refactor modbus_scan

* add additional unit tests
This commit is contained in:
Stefan Allius
2025-03-11 19:47:37 +01:00
committed by GitHub
parent be60f9ea1e
commit 88cb01f613
9 changed files with 386 additions and 32 deletions
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28
app/src/modbus.py
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@@ -37,6 +37,34 @@ class Modbus():
__crc_tab = []
mb_reg_mapping = {
0x0000: {'reg': Register.SERIAL_NUMBER, 'fmt': '!16s'}, # noqa: E501
0x0008: {'reg': Register.BATT_PV1_VOLT, 'fmt': '!H', 'ratio': 0.01}, # noqa: E501, PV1 voltage
0x0009: {'reg': Register.BATT_PV1_CUR, 'fmt': '!H', 'ratio': 0.01}, # noqa: E501, PV1 current
0x000a: {'reg': Register.BATT_PV2_VOLT, 'fmt': '!H', 'ratio': 0.01}, # noqa: E501, PV2 voltage
0x000b: {'reg': Register.BATT_PV2_CUR, 'fmt': '!H', 'ratio': 0.01}, # noqa: E501, PV2 current
0x000c: {'reg': Register.BATT_38, 'fmt': '!h'}, # noqa: E501
0x000d: {'reg': Register.BATT_3a, 'fmt': '!h', 'ratio': 0.01}, # noqa: E501
0x000e: {'reg': Register.BATT_STATUS_1, 'fmt': '!h'}, # noqa: E501
0x000f: {'reg': Register.BATT_STATUS_2, 'fmt': '!h'}, # noqa: E501
0x0010: {'reg': Register.BATT_VOLT, 'fmt': '!h', 'ratio': 0.01}, # noqa: E501
0x0011: {'reg': Register.BATT_CUR, 'fmt': '!h', 'ratio': 0.01}, # noqa: E501
0x0012: {'reg': Register.BATT_SOC, 'fmt': '!H', 'ratio': 0.01}, # noqa: E501, state of charge (SOC) in percent
# 0x0013: {'reg': Register.BATT_46, 'fmt': '!h'}, # noqa: E501
# 0x0014: {'reg': Register.BATT_48, 'fmt': '!h'}, # noqa: E501
# 0x0015: {'reg': Register.BATT_4a, 'fmt': '!h'}, # noqa: E501
# 0x0016: {'reg': Register.BATT_4c, 'fmt': '!h'}, # noqa: E501
# 0x0017: {'reg': Register.BATT_4e, 'fmt': '!h'}, # noqa: E501
# 0x0023: {'reg': Register.BATT_66, 'fmt': '!h'}, # noqa: E501
# 0x0024: {'reg': Register.BATT_68, 'fmt': '!h'}, # noqa: E501
# 0x0025: {'reg': Register.BATT_6a, 'fmt': '!h'}, # noqa: E501
0x0026: {'reg': Register.BATT_OUT_VOLT, 'fmt': '!h', 'ratio': 0.01}, # noqa: E501
0x0027: {'reg': Register.BATT_OUT_CUR, 'fmt': '!h', 'ratio': 0.01}, # noqa: E501
# 0x0028: {'reg': Register.BATT_70, 'fmt': '!h'}, # noqa: E501
# 0x0029: {'reg': Register.BATT_72, 'fmt': '!h'}, # noqa: E501
# 0x002a: {'reg': Register.BATT_74, 'fmt': '!h'}, # noqa: E501
# 0x002b: {'reg': Register.BATT_76, 'fmt': '!h'}, # noqa: E501
# 0x002c: {'reg': Register.BATT_78, 'fmt': '!h'}, # noqa: E501
0x2000: {'reg': Register.BOOT_STATUS, 'fmt': '!H'}, # noqa: E501
0x2001: {'reg': Register.DSP_STATUS, 'fmt': '!H'}, # noqa: E501
0x2003: {'reg': Register.WORK_MODE, 'fmt': '!H'},