| brians | 343bc11 | 2013-02-10 01:53:46 +0000 | [diff] [blame] | 1 | #ifndef __CRIO_MOTOR_SERVER_OUTPUT_DEVICE_H_ |
| 2 | #define __CRIO_MOTOR_SERVER_OUTPUT_DEVICE_H_ |
| 3 | |
| 4 | #include <stdint.h> |
| 5 | #include "aos/crio/shared_libs/ByteBuffer.h" |
| 6 | |
| 7 | namespace aos { |
| 8 | |
| 9 | class OutputDevice { |
| 10 | protected: |
| 11 | OutputDevice() { |
| 12 | } |
| 13 | public: |
| 14 | // Reads the value out of buff and stores it somewhere for SetValue to use. |
| 15 | // Returns whether or not it successfully read a whole value out of buff. |
| 16 | virtual bool ReadValue(ByteBuffer &buff) = 0; |
| 17 | // Actually sets the output device to the value saved by ReadValue. |
| 18 | virtual void SetValue() = 0; |
| 19 | // Gets called when no values come in for a while. |
| 20 | virtual void NoValue() = 0; |
| 21 | }; |
| 22 | |
| 23 | } // namespace aos |
| 24 | |
| 25 | #endif |
| 26 | |