add some code

managed_components/tny-robotics__sh1106-esp-idf/examples/sh1106_lcd_example/CMakeLists.txt

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+# The following five lines of boilerplate have to be in your project's
+# CMakeLists in this exact order for cmake to work correctly
+cmake_minimum_required(VERSION 3.16)
+
+include($ENV{IDF_PATH}/tools/cmake/project.cmake)
+project(sh1106_lcd_example)

managed_components/tny-robotics__sh1106-esp-idf/examples/sh1106_lcd_example/README.md

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+# Example code
+
+Example code for creating a SH1106 lcd screen object in ESP-IDF.

managed_components/tny-robotics__sh1106-esp-idf/examples/sh1106_lcd_example/main/CMakeLists.txt

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+idf_component_register(
+    SRCS "sh1106_lcd_example.c"
+    INCLUDE_DIRS "."
+)

managed_components/tny-robotics__sh1106-esp-idf/examples/sh1106_lcd_example/main/idf_component.yml

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+dependencies:
+  pedrominatel/shtc3:
+    version: "*"
+    override_path: '../../../'

managed_components/tny-robotics__sh1106-esp-idf/examples/sh1106_lcd_example/main/sh1106_lcd_example.c

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+/*
+ * SH1106 ESP-IDF Driver by TNY Robotics
+ *
+ * SPDX-FileCopyrightText: 2025 TNY Robotics
+ * SPDX-License-Identifier: MIT
+ * 
+ * 
+ * Copyright (C) 2025 TNY Robotics
+ * 
+ * This file is part of the SH1106 ESP-IDF driver.
+ * 
+ * License: MIT
+ * Repository: https://github.com/tny-robotics/sh1106-esp-idf
+ * 
+ * Author: TNY Robotics
+ * Date: 13/02/2025
+ * Version: 1.0
+ */
+
+ #include "freertos/FreeRTOS.h"
+#include "esp_lcd_io_i2c.h"
+#include "esp_lcd_panel_sh1106.h"
+#include "esp_lcd_panel_io.h"
+#include "esp_lcd_panel_ops.h"
+
+#define I2C_SDA_GPIO GPIO_NUM_21
+#define I2C_SCL_GPIO GPIO_NUM_22
+#define I2C_HOST I2C_NUM_0
+
+#ifdef __cplusplus
+extern "C"
+#endif
+void app_main(void)
+{
+    /* I2C CONFIGURATION */
+
+    // i2c bus configuration
+    i2c_master_bus_config_t bus_config = {
+        .i2c_port = I2C_HOST,               // I2C port number
+        .sda_io_num = I2C_SDA_GPIO,         // GPIO number for I2C sda signal
+        .scl_io_num = I2C_SCL_GPIO,         // GPIO number for I2C scl signal
+        .clk_source = I2C_CLK_SRC_DEFAULT,  // I2C clock source, just use the default
+        .glitch_ignore_cnt = 7,             // glitch filter, again, just use the default
+        .intr_priority = 0,                 // interrupt priority, default to 0
+        .trans_queue_depth = 0,             // transaction queue depth, default to 0
+        .flags = {
+            .enable_internal_pullup = true, // enable internal pullup resistors (oled screen does not have one)
+            .allow_pd = false,              // just using the default value
+        },
+    };
+
+    // Create the i2c bus handle
+    i2c_master_bus_handle_t i2c_bus_handle = NULL;
+    ESP_ERROR_CHECK(i2c_new_master_bus(&bus_config, &i2c_bus_handle));
+
+    // Create the i2c io handle
+    esp_lcd_panel_io_handle_t io_handle = NULL;
+    esp_lcd_panel_io_i2c_config_t io_config = ESP_SH1106_DEFAULT_IO_CONFIG;
+    ESP_ERROR_CHECK(esp_lcd_new_panel_io_i2c(*i2c_bus_handle, &io_config, &io_handle));
+
+
+    /* SCREEN CONFIGURATION */
+
+    // sh1106 panel configuration (most of the values are not used, but must be set to avoid cpp warnings)
+    esp_lcd_panel_dev_config_t panel_config = {
+        .reset_gpio_num = -1,                         // sh1106 does not have a reset pin, so set to -1
+        .rgb_ele_order = LCD_RGB_ELEMENT_ORDER_RGB,   // not even used, but must be set to avoid cpp warnings
+        .data_endian = LCD_RGB_DATA_ENDIAN_LITTLE,    // not even used, but must be set to avoid cpp warnings
+        .bits_per_pixel = SH1106_PIXELS_PER_BYTE / 8, // bpp = 1 (monochrome, that's important)
+        .flags = {
+            .reset_active_high = false,               // not even used, but must be set to avoid cpp warnings
+        },
+        .vendor_config = NULL,                        // no need for custom vendor config, not implemented
+    };
+
+    // Create the panel handle from the sh1106 driver
+    esp_lcd_panel_handle_t panel_handle = NULL;
+    ESP_ERROR_CHECK(esp_lcd_new_panel_sh1106(io_handle, &panel_config, &panel_handle));
+
+    // Reset the screen (no reset pin, so it's a no-op here, optional)
+    ESP_ERROR_CHECK(esp_lcd_panel_reset(panel_handle));
+
+    // Initialize the screen (this one isn't optional at all!)
+    ESP_ERROR_CHECK(esp_lcd_panel_init(panel_handle));
+
+    // Turn on the screen (Easier to see something, right?)
+    ESP_ERROR_CHECK(esp_lcd_panel_disp_on_off(panel_handle, true));
+
+    /* SCREEN PIXEL TEST */
+
+    // Create a buffer to hold the screen data
+    uint8_t buffer_data[SH1106_SCREEN_SIZE];
+    memset(buffer_data, 0, SH1106_SCREEN_SIZE);
+
+    // Just turn on the first top-left pixel
+    // NOTE : Refer to driver README.md file for more information about the screen buffer format
+    buffer_data[0] = 0b10000000;
+
+    // Send the buffer to the screen
+    ESP_ERROR_CHECK(esp_lcd_panel_draw_bitmap(panel_handle, 0, 0, SH1106_WIDTH, SH1106_HEIGHT, buffer_data));
+}