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avoid ram increase

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J. Nick Koston
2026-02-23 15:42:39 -06:00
parent ba11722e77
commit 4b400aa79a
1 changed files with 22 additions and 22 deletions
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44
esphome/components/time/__init__.py
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@@ -328,28 +328,29 @@ TIME_SCHEMA = cv.Schema(
).extend(cv.polling_component_schema("15min"))
def _build_dst_rule(rule):
"""Build a cg.StructInitializer for a DSTRule from a Python DSTRule."""
return cg.StructInitializer(
DSTRule_cpp,
("time_seconds", rule.time_seconds),
("day", rule.day),
("type", _DST_RULE_TYPE_MAP[rule.type]),
("month", rule.month),
("week", rule.week),
("day_of_week", rule.day_of_week),
)
def _emit_dst_rule_fields(prefix, rule):
"""Emit field-by-field assignments for a DSTRule to avoid rodata struct blob."""
cg.add(cg.RawExpression(f"{prefix}.time_seconds = {rule.time_seconds}"))
cg.add(cg.RawExpression(f"{prefix}.day = {rule.day}"))
cg.add(cg.RawExpression(f"{prefix}.type = {_DST_RULE_TYPE_MAP[rule.type]}"))
cg.add(cg.RawExpression(f"{prefix}.month = {rule.month}"))
cg.add(cg.RawExpression(f"{prefix}.week = {rule.week}"))
cg.add(cg.RawExpression(f"{prefix}.day_of_week = {rule.day_of_week}"))
def _build_parsed_timezone_struct(parsed):
"""Build a cg.StructInitializer for a ParsedTimezone from a Python ParsedTimezone."""
return cg.StructInitializer(
ParsedTimezone_cpp,
("std_offset_seconds", parsed.std_offset_seconds),
("dst_offset_seconds", parsed.dst_offset_seconds),
("dst_start", _build_dst_rule(parsed.dst_start)),
("dst_end", _build_dst_rule(parsed.dst_end)),
)
def _emit_parsed_timezone_fields(parsed):
"""Emit field-by-field assignments for a local ParsedTimezone, then set_global_tz().
Uses individual assignments on a stack variable instead of a struct initializer
to keep constants as immediate operands in instructions (.irom0.text/flash)
rather than a const blob in .rodata (which maps to RAM on ESP8266).
"""
cg.add(cg.RawExpression("time::ParsedTimezone tz{}"))
cg.add(cg.RawExpression(f"tz.std_offset_seconds = {parsed.std_offset_seconds}"))
cg.add(cg.RawExpression(f"tz.dst_offset_seconds = {parsed.dst_offset_seconds}"))
_emit_dst_rule_fields("tz.dst_start", parsed.dst_start)
_emit_dst_rule_fields("tz.dst_end", parsed.dst_end)
cg.add(time_ns.set_global_tz(cg.RawExpression("tz")))
async def setup_time_core_(time_var, config):
@@ -362,8 +363,7 @@ async def setup_time_core_(time_var, config):
else:
# Embedded: pre-parse at codegen time, emit struct directly
parsed = parse_posix_tz_python(timezone)
tz_struct = _build_parsed_timezone_struct(parsed)
cg.add(time_ns.set_global_tz(tz_struct))
_emit_parsed_timezone_fields(parsed)
for conf in config.get(CONF_ON_TIME, []):
trigger = cg.new_Pvariable(conf[CONF_TRIGGER_ID], time_var)