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是设置为推挽输出吗
设置为开漏，外接上拉电阻
参考：上拉+默认起始低电平输出
CC1350_LAUNCHXL_I2C0_SCL0 | PIN_GPIO_OUTPUT_EN | PIN_GPIO_LOW | PIN_PUSHPULL CC1350_LAUNCHXL_I2C0_SDA0 | PIN_GPIO_OUTPUT_EN | PIN_GPIO_LOW | PIN_PUSHPULL
