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[vbus] Use stack-based hex formatting in verbose logging

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This commit is contained in:
J. Nick Koston
2025-12-31 22:02:40 -10:00
parent fd65ea1d05
commit bb0f85c48c
1 changed files with 7 additions and 1 deletions
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8
esphome/components/vbus/vbus.cpp
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@@ -8,6 +8,9 @@ namespace vbus {
static const char *const TAG = "vbus";
// Maximum bytes to log in verbose hex output (16 frames * 4 bytes = 64 bytes typical)
static constexpr size_t VBUS_MAX_LOG_BYTES = 64;
void VBus::dump_config() {
ESP_LOGCONFIG(TAG, "VBus:");
check_uart_settings(9600);
@@ -101,8 +104,11 @@ void VBus::loop() {
this->buffer_.push_back(this->fbytes_[i]);
if (++this->cframe_ < this->frames_)
continue;
#if ESPHOME_LOG_LEVEL >= ESPHOME_LOG_LEVEL_VERBOSE
char hex_buf[format_hex_size(VBUS_MAX_LOG_BYTES)];
#endif
ESP_LOGV(TAG, "P2 C%04x %04x->%04x: %s", this->command_, this->source_, this->dest_,
format_hex(this->buffer_).c_str());
format_hex_to(hex_buf, this->buffer_.data(), this->buffer_.size()));
for (auto &listener : this->listeners_)
listener->on_message(this->command_, this->source_, this->dest_, this->buffer_);
this->state_ = 0;