Chris Styles / Mbed 2 deprecated EA_RotaryEncoder

This example positions a lit LED in the I2C LED array using the rotary encoder

Dependencies:   mbed

PCA9532.h@0:498b9b4a7bb9, 2010-03-02 (annotated)

Committer:
chris
Date:
Tue Mar 02 08:27:23 2010 +0000
Revision:
0:498b9b4a7bb9

        

        
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/* PCA9532 





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 * (c) 2009, cstyles





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 */





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#ifndef PCA9532_H





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#define PCA9532_H





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#include "mbed.h"





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// register names





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#define PCA9532_REG_INPUT0 0





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#define PCA9532_REG_INPUT1 1





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#define PCA9532_REG_PSC0 2





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#define PCA9532_REG_PWM0 3





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#define PCA9532_REG_PSC1 4





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#define PCA9532_REG_PWM1 5





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#define PCA9532_REG_LS0 6





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#define PCA9532_REG_LS1 7





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#define PCA9532_REG_LS2 8





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#define PCA9532_REG_LS3 9





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#define PCA9532_MODE_CLEAR 0





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#define PCA9532_MODE_SET 1





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#define PCA9532_MODE_PWM0 2





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#define PCA9532_MODE_PWM1 3





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class PCA9532 {





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public:





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    PCA9532(PinName sda, PinName scl, int addr);





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    void write (int leds);





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    void set (int leds);





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    void clear (int leds);





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    void pwm0 (int leds);





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    void pwm1 (int leds);





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    void duty0 (float d);





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    void duty1 (float d);





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    void period0 (float t);





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    void period1 (float t);





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protected:





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    void _write(int reg, int data);





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    int _read(int reg);





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    void _rmw(int led, int mode);    





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    int _addr;





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    I2C _i2c;    





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};





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#endif