Library for PMT9123 for Nordic nRF51
Fork of Pixart_OTS_PMT9123 by
OTC.h@0:31779183b108, 2017-05-08 (annotated)
- Committer:
- pixus_mbed
- Date:
- Mon May 08 22:51:47 2017 +0000
- Revision:
- 0:31779183b108
Initial Release for PMT9123 on mbed
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
pixus_mbed | 0:31779183b108 | 1 | |
pixus_mbed | 0:31779183b108 | 2 | /* The callback function when motion happen |
pixus_mbed | 0:31779183b108 | 3 | |
pixus_mbed | 0:31779183b108 | 4 | */ |
pixus_mbed | 0:31779183b108 | 5 | typedef void (*OTSCallback)(int16_t value); |
pixus_mbed | 0:31779183b108 | 6 | |
pixus_mbed | 0:31779183b108 | 7 | // Helper macro |
pixus_mbed | 0:31779183b108 | 8 | #define BIT_CLEAR(REG,MASK) (REG &= ~MASK) |
pixus_mbed | 0:31779183b108 | 9 | #define BIT_SET(REG,MASK) (REG |= MASK) |
pixus_mbed | 0:31779183b108 | 10 | #define IS_BIT_CLEAR(REG,MASK) ((REG & MASK)==0x00) |
pixus_mbed | 0:31779183b108 | 11 | #define IS_BIT_SET(REG,MASK) ((REG & MASK)==MASK) |
pixus_mbed | 0:31779183b108 | 12 | |
pixus_mbed | 0:31779183b108 | 13 | class Pixart_OTS |
pixus_mbed | 0:31779183b108 | 14 | { |
pixus_mbed | 0:31779183b108 | 15 | private: |
pixus_mbed | 0:31779183b108 | 16 | Ticker m_ticker; |
pixus_mbed | 0:31779183b108 | 17 | I2C *m_i2c; |
pixus_mbed | 0:31779183b108 | 18 | //Serial *m_pc; |
pixus_mbed | 0:31779183b108 | 19 | int m_Period; |
pixus_mbed | 0:31779183b108 | 20 | uint8_t m_Address; |
pixus_mbed | 0:31779183b108 | 21 | bool m_WriteEnable; |
pixus_mbed | 0:31779183b108 | 22 | |
pixus_mbed | 0:31779183b108 | 23 | OTSCallback m_OTSCallback; |
pixus_mbed | 0:31779183b108 | 24 | void periodicCallback(void); |
pixus_mbed | 0:31779183b108 | 25 | bool PMT9123_init(); |
pixus_mbed | 0:31779183b108 | 26 | void PMT9123_ReadMotion(); |
pixus_mbed | 0:31779183b108 | 27 | |
pixus_mbed | 0:31779183b108 | 28 | // Internal read and write function that is only single transaction |
pixus_mbed | 0:31779183b108 | 29 | void writeRegister(uint8_t addr, uint8_t data); |
pixus_mbed | 0:31779183b108 | 30 | uint8_t readRegister(uint8_t addr); |
pixus_mbed | 0:31779183b108 | 31 | |
pixus_mbed | 0:31779183b108 | 32 | public: |
pixus_mbed | 0:31779183b108 | 33 | /* |
pixus_mbed | 0:31779183b108 | 34 | * The initial function for Gesture class |
pixus_mbed | 0:31779183b108 | 35 | * i2c ==> The I2C object from outside, the clock rate should be 400k |
pixus_mbed | 0:31779183b108 | 36 | * Period ==> The polling rate for gesture, in ms |
pixus_mbed | 0:31779183b108 | 37 | * callback ==> The call back function for gesture status |
pixus_mbed | 0:31779183b108 | 38 | * Result ==> The result for initialize |
pixus_mbed | 0:31779183b108 | 39 | */ |
pixus_mbed | 0:31779183b108 | 40 | Pixart_OTS(I2C *i2c, int Period,OTSCallback callback,bool &Result); |
pixus_mbed | 0:31779183b108 | 41 | |
pixus_mbed | 0:31779183b108 | 42 | // Public register read and write function, which include steps to ensure successful write and read |
pixus_mbed | 0:31779183b108 | 43 | uint8_t Register_Write(uint8_t addr, uint8_t data); |
pixus_mbed | 0:31779183b108 | 44 | uint8_t Register_Read(uint8_t addr); |
pixus_mbed | 0:31779183b108 | 45 | }; |