bernard d7087fdd3b [DeviceDrivers] change cmd type.
1. Change 'rt_uint8_t' type of cmd to 'int';
2. Add waitqueue;
3. Split device ipc header files;
2017-10-15 22:56:46 +08:00
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2017-10-15 22:56:46 +08:00
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2017-10-15 22:56:46 +08:00
2017-02-13 19:37:53 +08:00