espressif/ssd1306

uploaded 7 months ago

# Component: SSD1306 [](https://components.espressif.com/components/espressif/ssd1306) * This is a C driver for SSD1306 OLED display ## C example ```C #include <stdio.h> #include "ssd1306.h" #define I2C_MASTER_SCL_IO 26 /*!< gpio number for I2C master clock */ #define I2C_MASTER_SDA_IO 25 /*!< gpio number for I2C master data */ #define I2C_MASTER_NUM I2C_NUM_1 /*!< I2C port number for master dev */ #define I2C_MASTER_FREQ_HZ 100000 /*!< I2C master clock frequency */ static ssd1306_handle_t ssd1306_dev = NULL; void app_main(void) { i2c_config_t conf; conf.mode = I2C_MODE_MASTER; conf.sda_io_num = (gpio_num_t)I2C_MASTER_SDA_IO; conf.sda_pullup_en = GPIO_PULLUP_ENABLE; conf.scl_io_num = (gpio_num_t)I2C_MASTER_SCL_IO; conf.scl_pullup_en = GPIO_PULLUP_ENABLE; conf.master.clk_speed = I2C_MASTER_FREQ_HZ; conf.clk_flags = I2C_SCLK_SRC_FLAG_FOR_NOMAL; i2c_param_config(I2C_MASTER_NUM, &conf); i2c_driver_install(I2C_MASTER_NUM, conf.mode, 0, 0, 0); ssd1306_dev = ssd1306_create(I2C_MASTER_NUM, SSD1306_I2C_ADDRESS); ssd1306_refresh_gram(ssd1306_dev); ssd1306_clear_screen(ssd1306_dev, 0x00); char data_str[10] = {0}; sprintf(data_str, "C STR"); ssd1306_draw_string(ssd1306_dev, 70, 16, (const uint8_t *)data_str, 16, 1); ssd1306_refresh_gram(ssd1306_dev); } ```