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Code Issues Releases Wiki Activity

[ble_client] Use stack buffer for hex formatting in very verbose logging (#12744)

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This commit is contained in:
J. Nick Koston
2026-01-01 20:22:48 -10:00
committed by GitHub
parent 7702a9ae85
commit 3a4cca0027
1 changed files with 8 additions and 1 deletions
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9
esphome/components/ble_client/automation.h
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@@ -7,8 +7,12 @@
#include "esphome/core/automation.h"
#include "esphome/components/ble_client/ble_client.h"
#include "esphome/core/helpers.h"
#include "esphome/core/log.h"
// Maximum bytes to log in hex format for BLE writes (many logging buffers are 256 chars)
static constexpr size_t BLE_WRITE_MAX_LOG_BYTES = 64;
namespace esphome::ble_client {
// placeholder class for static TAG .
@@ -151,7 +155,10 @@ template<typename... Ts> class BLEClientWriteAction : public Action<Ts...>, publ
esph_log_w(Automation::TAG, "Cannot write to BLE characteristic - not connected");
return false;
}
esph_log_vv(Automation::TAG, "Will write %d bytes: %s", len, format_hex_pretty(data, len).c_str());
#if ESPHOME_LOG_LEVEL >= ESPHOME_LOG_LEVEL_VERY_VERBOSE
char hex_buf[format_hex_pretty_size(BLE_WRITE_MAX_LOG_BYTES)];
esph_log_vv(Automation::TAG, "Will write %d bytes: %s", len, format_hex_pretty_to(hex_buf, data, len));
#endif
esp_err_t err =
esp_ble_gattc_write_char(this->parent()->get_gattc_if(), this->parent()->get_conn_id(), this->char_handle_, len,
const_cast<uint8_t *>(data), this->write_type_, ESP_GATT_AUTH_REQ_NONE);