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[mipi_dsi] Use stack buffer for hex formatting in very verbose logging (#12776)

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This commit is contained in:
J. Nick Koston
2026-01-01 20:08:57 -10:00
committed by GitHub
parent 7483bbd6ea
commit 544aaeaa66
1 changed files with 8 additions and 1 deletions
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9
esphome/components/mipi_dsi/mipi_dsi.cpp
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@@ -1,10 +1,14 @@
#ifdef USE_ESP32_VARIANT_ESP32P4
#include <utility>
#include "mipi_dsi.h"
#include "esphome/core/helpers.h"
namespace esphome {
namespace mipi_dsi {
// Maximum bytes to log for init commands (truncated if larger)
static constexpr size_t MIPI_DSI_MAX_CMD_LOG_BYTES = 64;
static bool notify_refresh_ready(esp_lcd_panel_handle_t panel, esp_lcd_dpi_panel_event_data_t *edata, void *user_ctx) {
auto *sem = static_cast<SemaphoreHandle_t *>(user_ctx);
BaseType_t need_yield = pdFALSE;
@@ -121,8 +125,11 @@ void MIPI_DSI::setup() {
}
}
const auto *ptr = vec.data() + index;
#if ESPHOME_LOG_LEVEL >= ESPHOME_LOG_LEVEL_VERY_VERBOSE
char hex_buf[format_hex_pretty_size(MIPI_DSI_MAX_CMD_LOG_BYTES)];
#endif
ESP_LOGVV(TAG, "Command %02X, length %d, byte(s) %s", cmd, num_args,
format_hex_pretty(ptr, num_args, '.', false).c_str());
format_hex_pretty_to(hex_buf, ptr, num_args, '.'));
err = esp_lcd_panel_io_tx_param(this->io_handle_, cmd, ptr, num_args);
if (err != ESP_OK) {
this->smark_failed(LOG_STR("lcd_panel_io_tx_param failed"), err);