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VL6180.h@2:595673e4c505, 2015-10-19 (annotated)
- Committer:
- sburg
- Date:
- Mon Oct 19 16:47:17 2015 +0000
- Revision:
- 2:595673e4c505
- Parent:
- 1:1b46b69895f9
- Child:
- 4:aab6582c7456
Comment update.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
sburg | 0:f23c00f688b2 | 1 | #ifndef MBED_VL6180_H |
sburg | 0:f23c00f688b2 | 2 | #define MBED_VL6180_H |
sburg | 0:f23c00f688b2 | 3 | |
sburg | 0:f23c00f688b2 | 4 | #include "mbed.h" |
sburg | 2:595673e4c505 | 5 | /** VL6180 control class. |
sburg | 2:595673e4c505 | 6 | * |
sburg | 2:595673e4c505 | 7 | * Example: |
sburg | 2:595673e4c505 | 8 | * @code |
sburg | 2:595673e4c505 | 9 | * //Update pc terminal every half second with range reading |
sburg | 2:595673e4c505 | 10 | * #include "VL6180.h" |
sburg | 2:595673e4c505 | 11 | * #include "mbed.h" |
sburg | 2:595673e4c505 | 12 | * |
sburg | 2:595673e4c505 | 13 | * VL6180 rf(p9, p10); //I2C sda and scl |
sburg | 2:595673e4c505 | 14 | * Serial pc(USBTX, USBRX); //USB serial |
sburg | 2:595673e4c505 | 15 | * |
sburg | 2:595673e4c505 | 16 | * int main() { |
sburg | 2:595673e4c505 | 17 | * float reading; |
sburg | 2:595673e4c505 | 18 | * while(1) { |
sburg | 2:595673e4c505 | 19 | * reading = rf; |
sburg | 2:595673e4c505 | 20 | * pc.printf("Read %4.1f cm\n", reading); |
sburg | 2:595673e4c505 | 21 | * wait(0.5); |
sburg | 2:595673e4c505 | 22 | * } |
sburg | 2:595673e4c505 | 23 | * } |
sburg | 2:595673e4c505 | 24 | * @endcode |
sburg | 2:595673e4c505 | 25 | */ |
sburg | 0:f23c00f688b2 | 26 | class VL6180 { |
sburg | 0:f23c00f688b2 | 27 | public: |
sburg | 0:f23c00f688b2 | 28 | /** Create a VL6180 object at I2C address 0x29 (7 bit). |
sburg | 0:f23c00f688b2 | 29 | * |
sburg | 0:f23c00f688b2 | 30 | * @param sda I2C sda pin number |
sburg | 0:f23c00f688b2 | 31 | * @param scl I2C scl pin number |
sburg | 0:f23c00f688b2 | 32 | */ |
sburg | 0:f23c00f688b2 | 33 | VL6180(PinName sda, PinName scl); |
sburg | 0:f23c00f688b2 | 34 | |
sburg | 0:f23c00f688b2 | 35 | /** Make a range reading. |
sburg | 0:f23c00f688b2 | 36 | * |
sburg | 0:f23c00f688b2 | 37 | * @param return Distance to target in cm. Approx 0.0 cm to 20.0 cm. |
sburg | 0:f23c00f688b2 | 38 | */ |
sburg | 0:f23c00f688b2 | 39 | float read(); |
sburg | 0:f23c00f688b2 | 40 | |
sburg | 1:1b46b69895f9 | 41 | /** Float cast is shorthand for read() */ |
sburg | 0:f23c00f688b2 | 42 | operator float(); |
sburg | 0:f23c00f688b2 | 43 | |
sburg | 0:f23c00f688b2 | 44 | private: |
sburg | 0:f23c00f688b2 | 45 | void writeI2C(int reg, char data); |
sburg | 0:f23c00f688b2 | 46 | char readI2C(int reg); |
sburg | 0:f23c00f688b2 | 47 | I2C _i2c; |
sburg | 0:f23c00f688b2 | 48 | int _res; |
sburg | 0:f23c00f688b2 | 49 | static const int _addr = 0x52; |
sburg | 0:f23c00f688b2 | 50 | }; |
sburg | 0:f23c00f688b2 | 51 | |
sburg | 0:f23c00f688b2 | 52 | #endif |