Shuto Naruse
commit!
TSH.h@0:42026f893a2d, 2012-06-15 (annotated)
- Committer:
- narshu
- Date:
- Fri Jun 15 20:40:17 2012 +0000
- Revision:
- 0:42026f893a2d
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| narshu | 0:42026f893a2d | 1 | #ifndef TSH_H |
| narshu | 0:42026f893a2d | 2 | #define TSH_H |
| narshu | 0:42026f893a2d | 3 | |
| narshu | 0:42026f893a2d | 4 | #include "rtos.h" |
| narshu | 0:42026f893a2d | 5 | |
| narshu | 0:42026f893a2d | 6 | //Thread Safe Hardware |
| narshu | 0:42026f893a2d | 7 | |
| narshu | 0:42026f893a2d | 8 | class TSI2C : public I2C { |
| narshu | 0:42026f893a2d | 9 | public: |
| narshu | 0:42026f893a2d | 10 | |
| narshu | 0:42026f893a2d | 11 | TSI2C( PinName sda, |
| narshu | 0:42026f893a2d | 12 | PinName scl, |
| narshu | 0:42026f893a2d | 13 | const char* name=NULL ) |
| narshu | 0:42026f893a2d | 14 | : I2C(sda, scl, name) { } |
| narshu | 0:42026f893a2d | 15 | |
| narshu | 0:42026f893a2d | 16 | |
| narshu | 0:42026f893a2d | 17 | int read( int address, |
| narshu | 0:42026f893a2d | 18 | char* data, |
| narshu | 0:42026f893a2d | 19 | int length, |
| narshu | 0:42026f893a2d | 20 | bool repeated = false ) { |
| narshu | 0:42026f893a2d | 21 | |
| narshu | 0:42026f893a2d | 22 | rlock.lock(); |
| narshu | 0:42026f893a2d | 23 | int retval = I2C::read(address, data, length, repeated); |
| narshu | 0:42026f893a2d | 24 | rlock.unlock(); |
| narshu | 0:42026f893a2d | 25 | |
| narshu | 0:42026f893a2d | 26 | return retval; |
| narshu | 0:42026f893a2d | 27 | } |
| narshu | 0:42026f893a2d | 28 | |
| narshu | 0:42026f893a2d | 29 | int read(int ack) { |
| narshu | 0:42026f893a2d | 30 | rlock.lock(); |
| narshu | 0:42026f893a2d | 31 | int retval = I2C::read(ack); |
| narshu | 0:42026f893a2d | 32 | rlock.unlock(); |
| narshu | 0:42026f893a2d | 33 | |
| narshu | 0:42026f893a2d | 34 | return retval; |
| narshu | 0:42026f893a2d | 35 | } |
| narshu | 0:42026f893a2d | 36 | |
| narshu | 0:42026f893a2d | 37 | int write( int address, |
| narshu | 0:42026f893a2d | 38 | const char* data, |
| narshu | 0:42026f893a2d | 39 | int length, |
| narshu | 0:42026f893a2d | 40 | bool repeated = false ) { |
| narshu | 0:42026f893a2d | 41 | |
| narshu | 0:42026f893a2d | 42 | wlock.lock(); |
| narshu | 0:42026f893a2d | 43 | int retval = I2C::write(address, data, length, repeated); |
| narshu | 0:42026f893a2d | 44 | wlock.unlock(); |
| narshu | 0:42026f893a2d | 45 | |
| narshu | 0:42026f893a2d | 46 | return retval; |
| narshu | 0:42026f893a2d | 47 | } |
| narshu | 0:42026f893a2d | 48 | |
| narshu | 0:42026f893a2d | 49 | int write(int data) { |
| narshu | 0:42026f893a2d | 50 | wlock.lock(); |
| narshu | 0:42026f893a2d | 51 | int retval = I2C::write(data); |
| narshu | 0:42026f893a2d | 52 | wlock.unlock(); |
| narshu | 0:42026f893a2d | 53 | |
| narshu | 0:42026f893a2d | 54 | return retval; |
| narshu | 0:42026f893a2d | 55 | } |
| narshu | 0:42026f893a2d | 56 | |
| narshu | 0:42026f893a2d | 57 | private: |
| narshu | 0:42026f893a2d | 58 | Mutex rlock; |
| narshu | 0:42026f893a2d | 59 | Mutex wlock; |
| narshu | 0:42026f893a2d | 60 | }; |
| narshu | 0:42026f893a2d | 61 | |
| narshu | 0:42026f893a2d | 62 | #endif |