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[mipi_rgb] Use stack buffer for hex formatting in init sequence logging (#12777)

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This commit is contained in:
J. Nick Koston
2026-01-01 20:09:37 -10:00
committed by GitHub
parent 544aaeaa66
commit 14e97642f7
1 changed files with 6 additions and 1 deletions
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7
esphome/components/mipi_rgb/mipi_rgb.cpp
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@@ -1,5 +1,6 @@
#ifdef USE_ESP32_VARIANT_ESP32S3
#include "mipi_rgb.h"
#include "esphome/core/helpers.h"
#include "esphome/core/log.h"
#include "esphome/core/hal.h"
#include "esp_lcd_panel_rgb.h"
@@ -8,6 +9,9 @@ namespace esphome {
namespace mipi_rgb {
static const uint8_t DELAY_FLAG = 0xFF;
// Maximum bytes to log for init commands (truncated if larger)
static constexpr size_t MIPI_RGB_MAX_CMD_LOG_BYTES = 64;
static constexpr uint8_t MADCTL_MY = 0x80; // Bit 7 Bottom to top
static constexpr uint8_t MADCTL_MX = 0x40; // Bit 6 Right to left
static constexpr uint8_t MADCTL_MV = 0x20; // Bit 5 Swap axes
@@ -91,8 +95,9 @@ void MipiRgbSpi::write_init_sequence_() {
delay(120); // NOLINT
}
const auto *ptr = vec.data() + index;
char hex_buf[format_hex_pretty_size(MIPI_RGB_MAX_CMD_LOG_BYTES)];
ESP_LOGD(TAG, "Write 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, '.'));
index += num_args;
this->write_command_(cmd);
while (num_args-- != 0)