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i2c4 pin:0x14 和0x15 对应的是P_1_20 和P_1_21吗
以下是调试信息
\ | /
- RT - Thread Operating System
/ | \ 5.2.0 build May 22 2024 23:06:40
2006 - 2024 Copyright by RT-Thread team
[32m[I/I2C] I2C bus [i2c4] registered[0m
[0m[D/I2C_S] Software simulation i2c4 init done, SCL pin: 0x14, SDA pin: 0x15[0m
[32m[I/I2C] I2C bus [i2c1] registered[0m
[32m[I/I2C] I2C bus [i2c4] registered[0m
using armclang, version: 6210000
msh >ssd1306_TestAll
[23:11:46.951]收←◆
msh >ssd1306_TestAll
[23:11:52.606]收←◆
msh >
最佳答案
你选中了oled软件包没,oled软件包设置了没
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