from machine import Pin, SoftI2C
import ssd1306
import time

# 1. 汉字点阵数据生成（需要PCtoLCD等工具生成）
# 以下为示例数据（实际使用时需要用真实字模替换）
# 格式：16x16像素，纵向取模，字节倒序
zhang = [
0x08,0x20,0x08,0x20,0x08,0x20,0x08,0x24,0x7F,0xFE,0x08,0x20,0x0A,0x20,0x0C,0x20,
0x18,0x20,0x68,0x20,0x08,0x20,0x08,0x20,0x08,0x20,0x08,0x20,0x08,0x20,0x00,0x00]  # 示例"张"字模

jian = [
0x00,0x00,0x7F,0xFC,0x40,0x04,0x40,0x04,0x40,0x04,0x40,0x04,0x40,0x04,0x40,0x04,
0x40,0x04,0x40,0x04,0x40,0x04,0x40,0x04,0x40,0x04,0x7F,0xFC,0x00,0x00,0x00,0x00]  # 示例"建"字模

ming = [
0x00,0x00,0x21,0x08,0x11,0x10,0x01,0x00,0xFF,0xFE,0x02,0x40,0x04,0x20,0x1F,0xF8,
0xE0,0x07,0x20,0x04,0x20,0x04,0x20,0x04,0x20,0x04,0xFF,0xFE,0x00,0x00,0x00,0x00]  # 示例"明"字模

# 2. I2C初始化（根据实际接线修改引脚）
i2c = SoftI2C(scl=Pin(22), sda=Pin(21))  # 常用ESP32引脚：scl=22, sda=21
oled = ssd1306.SSD1306_I2C(128, 64, i2c)

def show_chinese(char_data, x, y):
    """显示一个16x16汉字"""
    oled.fill_rect(x, y, 16, 16, 0)  # 先清除区域
    for row in range(16):
        for col in range(2):
            byte = char_data[row * 2 + col]
            for bit in range(8):
                if byte & (0x80 >> bit):
                    oled.pixel(x + col*8 + bit, y + row, 1)

# 3. 显示中文
oled.fill(0)  # 清屏
show_chinese(zhang, 32, 24)   # X坐标，Y坐标
show_chinese(jian,  64, 24)
show_chinese(ming,  96, 24)
oled.show()

# 保持显示
# time.sleep(10)
# oled.poweroff()