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[mipi_spi] Use stack buffer for hex formatting in verbose logging (#12778)

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J. Nick Koston
2026-01-01 11:48:37 -10:00
committed by GitHub
parent 9847e51fbc
commit ed435241b1
1 changed files with 8 additions and 1 deletions
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9
esphome/components/mipi_spi/mipi_spi.h
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@@ -5,11 +5,15 @@
#include "esphome/components/spi/spi.h"
#include "esphome/components/display/display.h"
#include "esphome/components/display/display_color_utils.h"
#include "esphome/core/helpers.h"
namespace esphome {
namespace mipi_spi {
constexpr static const char *const TAG = "display.mipi_spi";
// Maximum bytes to log for commands (truncated if larger)
static constexpr size_t MIPI_SPI_MAX_CMD_LOG_BYTES = 64;
static constexpr uint8_t SW_RESET_CMD = 0x01;
static constexpr uint8_t SLEEP_OUT = 0x11;
static constexpr uint8_t NORON = 0x13;
@@ -241,7 +245,10 @@ class MipiSpi : public display::Display,
// Writes a command to the display, with the given bytes.
void write_command_(uint8_t cmd, const uint8_t *bytes, size_t len) {
esph_log_v(TAG, "Command %02X, length %d, bytes %s", cmd, len, format_hex_pretty(bytes, len).c_str());
#if ESPHOME_LOG_LEVEL >= ESPHOME_LOG_LEVEL_VERBOSE
char hex_buf[format_hex_pretty_size(MIPI_SPI_MAX_CMD_LOG_BYTES)];
esph_log_v(TAG, "Command %02X, length %d, bytes %s", cmd, len, format_hex_pretty_to(hex_buf, bytes, len));
#endif
if constexpr (BUS_TYPE == BUS_TYPE_QUAD) {
this->enable();
this->write_cmd_addr_data(8, 0x02, 24, cmd << 8, bytes, len);