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[cse7766] Use stack buffer for verbose debug logging (#13217)

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This commit is contained in:
J. Nick Koston
2026-01-18 18:44:27 -10:00
committed by GitHub
parent 8142f5db44
commit e40201a98d
1 changed files with 10 additions and 6 deletions
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16
esphome/components/cse7766/cse7766.cpp
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@@ -207,20 +207,24 @@ void CSE7766Component::parse_data_() {
#if ESPHOME_LOG_LEVEL >= ESPHOME_LOG_LEVEL_VERY_VERBOSE
{
std::string buf = "Parsed:";
// Buffer: 7 + 15 + 33 + 15 + 25 = 95 chars max + null, rounded to 128 for safety margin.
// Float sizes with %.4f can be up to 11 chars for large values (e.g., 999999.9999).
char buf[128];
size_t pos = buf_append_printf(buf, sizeof(buf), 0, "Parsed:");
if (have_voltage) {
buf += str_sprintf(" V=%fV", voltage);
pos = buf_append_printf(buf, sizeof(buf), pos, " V=%.4fV", voltage);
}
if (have_current) {
buf += str_sprintf(" I=%fmA (~%fmA)", current * 1000.0f, calculated_current * 1000.0f);
pos = buf_append_printf(buf, sizeof(buf), pos, " I=%.4fmA (~%.4fmA)", current * 1000.0f,
calculated_current * 1000.0f);
}
if (have_power) {
buf += str_sprintf(" P=%fW", power);
pos = buf_append_printf(buf, sizeof(buf), pos, " P=%.4fW", power);
}
if (energy != 0.0f) {
buf += str_sprintf(" E=%fkWh (%u)", energy, cf_pulses);
buf_append_printf(buf, sizeof(buf), pos, " E=%.4fkWh (%u)", energy, cf_pulses);
}
ESP_LOGVV(TAG, "%s", buf.c_str());
ESP_LOGVV(TAG, "%s", buf);
}
#endif
}