doc: update some comments for doxygen style

README.md

@@ -96,7 +96,7 @@ void app_main(void)
     for (;;)
     {
         zh_160x_set_cursor(&lcd_160x_handle, 0, 0);
-        zh_160x_print_char(&lcd_160x_handle, "LCD 1602A");
+        zh_160x_print_char(&lcd_160x_handle, "LCD 160X");
         zh_160x_set_cursor(&lcd_160x_handle, 1, 0);
         zh_160x_print_char(&lcd_160x_handle, "Hello World!");
         vTaskDelay(5000 / portTICK_PERIOD_MS);

include/zh_160x_i2c.h

@@ -1,9 +1,13 @@
+/**
+ * @file zh_160x_i2c.h
+ */
+
 #pragma once
 
 #include "zh_pcf8574.h"
 
-#define ZH_LCD_16X2 1
-#define ZH_LCD_16X4 0
+#define ZH_LCD_16X2 1 /*!< LCD size 16x2. */
+#define ZH_LCD_16X4 0 /*!< LCD size 16x3. */
 
 #ifdef __cplusplus
 extern "C"
@@ -33,7 +37,7 @@ extern "C"
      * @brief Sets the cursor to a specific position on the LCD.
      *
      * @param[in] handle Pointer to unique PCF8574 handle.
-     * @param[in] row The row number (0 or 1).
+     * @param[in] row The row number.
      * @param[in] col The column number (0–15).
      *
      * @return ESP_OK if success or an error code otherwise.
@@ -75,7 +79,7 @@ extern "C"
      * @brief Displays a progress bar on a specific row of the LCD.
      *
      * @param[in] handle Pointer to unique PCF8574 handle.
-     * @param[in] row The row number (0 or 1).
+     * @param[in] row The row number.
      * @param[in] progress The progress percentage (0–100).
      *
      * @return ESP_OK if success or an error code otherwise.
@@ -86,7 +90,7 @@ extern "C"
      * @brief Clears a specific row on the LCD.
      *
      * @param[in] handle Pointer to unique PCF8574 handle.
-     * @param[in] row The row number (0 or 1).
+     * @param[in] row The row number.
      *
      * @return ESP_OK if success or an error code otherwise.
      */

version.txt

@@ -1 +1 @@
-3.0.0
+3.0.1

zh_160x_i2c.c

@@ -22,9 +22,9 @@ static const char *TAG = "zh_160x_i2c";
 
 #define LCD_160X_PULSE                       \
     zh_pcf8574_write_gpio(handle, 2, true);  \
-    esp_delay_us(300);                       \
+    esp_delay_us(500);                       \
     zh_pcf8574_write_gpio(handle, 2, false); \
-    esp_delay_us(400);
+    esp_delay_us(500);
 
 static void _zh_160x_lcd_init(zh_pcf8574_handle_t *handle);
 static void _zh_160x_send_command(zh_pcf8574_handle_t *handle, uint8_t command);