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[modbus_controller] Replace format_hex_pretty with stack-based format_hex_pretty_to (#12781)

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This commit is contained in:
J. Nick Koston
2026-01-07 08:29:28 -10:00
committed by GitHub
parent fd19280df9
commit d86d1f9f52
5 changed files with 85 additions and 13 deletions
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esphome/components/modbus_controller/switch/modbus_switch.cpp
+9 -1
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@@ -1,11 +1,15 @@
#include "modbus_switch.h"
#include "esphome/core/helpers.h"
#include "esphome/core/log.h"
namespace esphome {
namespace modbus_controller {
static const char *const TAG = "modbus_controller.switch";
// Maximum bytes to log in verbose hex output
static constexpr size_t MODBUS_SWITCH_MAX_LOG_BYTES = 64;
void ModbusSwitch::setup() {
optional<bool> initial_state = Switch::get_initial_state_with_restore_mode();
if (initial_state.has_value()) {
@@ -71,7 +75,11 @@ void ModbusSwitch::write_state(bool state) {
}
}
if (!data.empty()) {
ESP_LOGV(TAG, "Modbus Switch write raw: %s", format_hex_pretty(data).c_str());
#if ESPHOME_LOG_LEVEL >= ESPHOME_LOG_LEVEL_VERBOSE
char hex_buf[format_hex_pretty_size(MODBUS_SWITCH_MAX_LOG_BYTES)];
#endif
ESP_LOGV(TAG, "Modbus Switch write raw: %s",
format_hex_pretty_to(hex_buf, sizeof(hex_buf), data.data(), data.size()));
cmd = ModbusCommandItem::create_custom_command(
this->parent_, data,
[this, cmd](ModbusRegisterType register_type, uint16_t start_address, const std::vector<uint8_t> &data) {