2022-03-14 21:18:14 +08:00
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# Raspberry Pi PICO 运行 LVGL 指南
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2022-03-14 18:06:59 +08:00
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## 硬件参数
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树莓派 pico :
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* 双核 Arm Cortex-M0 + @ 133MHz
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* 芯片内置 264KB SRAM 和 2MB 的板载闪存
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* 通过专用 QSPI 总线支持最高 16MB 的片外闪存
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* DMA 控制器
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* 30 个 GPIO 引脚，其中 4 个可用作模拟输入
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- 2 个 UART、2 个 SPI 控制器和 2 个 I2C 控制器
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- 16 个 PWM 通道
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更多详见：[树莓派中文站](https://pico.org.cn/)
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树莓派拓展板：
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* 屏幕：ST7789 SPI 接口
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## 软件及环境:
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- [RT-Thread IoT OS](https://www.rt-thread.io/) RT-Thread 物联网操作系统
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- [RT-Thread Studio](https://www.rt-thread.io/studio.html) IDE (免费版)
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- 开源的 [LVGL](https://lvgl.io/) 图形引擎
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## 使能 LVGL for LCD
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## 配置屏幕参数
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<img src="./img/2.png" style="zoom:80%;" />
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## LVGL 显示接口对接
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<img src="./img/3.png" style="zoom:80%;" />
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![]()<img src="./img/4.png" alt="7" style="zoom:80%;" />
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<img src="./img/5.png" style="zoom:80%;" />
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## 效果展示
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<iframe src="//player.bilibili.com/player.html?aid=893079529&bvid=BV1oP4y1E7Md&cid=481212104&page=1" scrolling="no" border="0" frameborder="no" framespacing="0" allowfullscreen="true"> </iframe>
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