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about power state machine

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bookshiyi 2020-08-21 17:44:58 +08:00
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commit 3dce34c854
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README.md
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@ -31,3 +31,9 @@
`stm32f1xx_hal_pcd.c文件内` `stm32f1xx_hal_pcd.c文件内`
`void HAL_PCD_IRQHandler(PCD_HandleTypeDef *hpcd)函数内` `void HAL_PCD_IRQHandler(PCD_HandleTypeDef *hpcd)函数内`
`HAL_PCD_SuspendCallback(hpcd) 代码段` 务必屏蔽，否则导致枚举失败，提示获取设备描述符失败。 `HAL_PCD_SuspendCallback(hpcd) 代码段` 务必屏蔽，否则导致枚举失败，提示获取设备描述符失败。
* 开关机
开机：关机状态下，长按电源按钮1s，滴声后松开
关机：开机/DFU状态下，长按电源按钮1s，滴声后松开
DFU：关机状态下，先按住重启按钮，然后按住电源按钮，滴声后松开两个按钮

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