Clemens Valens
mbed with Nintendo DS touchpad, accelerometer & touchpad.
my_pwm_out.h@0:0a76ae27065b, 2010-05-05 (annotated)
- Committer:
- Clemo
- Date:
- Wed May 05 12:10:15 2010 +0000
- Revision:
- 0:0a76ae27065b
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| Clemo | 0:0a76ae27065b | 1 | /* |
| Clemo | 0:0a76ae27065b | 2 | mbed touchpad & accelerometer experiments. |
| Clemo | 0:0a76ae27065b | 3 | |
| Clemo | 0:0a76ae27065b | 4 | CPV, 14/09/2009 |
| Clemo | 0:0a76ae27065b | 5 | */ |
| Clemo | 0:0a76ae27065b | 6 | |
| Clemo | 0:0a76ae27065b | 7 | |
| Clemo | 0:0a76ae27065b | 8 | #ifndef __MY_PWM_OUT_H__ |
| Clemo | 0:0a76ae27065b | 9 | #define __MY_PWM_OUT_H__ |
| Clemo | 0:0a76ae27065b | 10 | |
| Clemo | 0:0a76ae27065b | 11 | |
| Clemo | 0:0a76ae27065b | 12 | #include "PwmOut.h" |
| Clemo | 0:0a76ae27065b | 13 | namespace mbed |
| Clemo | 0:0a76ae27065b | 14 | { |
| Clemo | 0:0a76ae27065b | 15 | |
| Clemo | 0:0a76ae27065b | 16 | class MyPwmOut : public PwmOut |
| Clemo | 0:0a76ae27065b | 17 | { |
| Clemo | 0:0a76ae27065b | 18 | public: |
| Clemo | 0:0a76ae27065b | 19 | /* Constructor: PwmOut |
| Clemo | 0:0a76ae27065b | 20 | * Create a PwmOut connected to the specified pin |
| Clemo | 0:0a76ae27065b | 21 | * |
| Clemo | 0:0a76ae27065b | 22 | * Variables: |
| Clemo | 0:0a76ae27065b | 23 | * pin - PwmOut pin to connect to |
| Clemo | 0:0a76ae27065b | 24 | */ |
| Clemo | 0:0a76ae27065b | 25 | MyPwmOut(PinName pin, const char *name = NULL); |
| Clemo | 0:0a76ae27065b | 26 | |
| Clemo | 0:0a76ae27065b | 27 | /* Function: set |
| Clemo | 0:0a76ae27065b | 28 | * Set the PWM period, specified in seconds (float) |
| Clemo | 0:0a76ae27065b | 29 | * and the ouput duty-cycle, specified as a percentage (float) |
| Clemo | 0:0a76ae27065b | 30 | * |
| Clemo | 0:0a76ae27065b | 31 | * Variables: |
| Clemo | 0:0a76ae27065b | 32 | * period - A floating-point value representing the output period, |
| Clemo | 0:0a76ae27065b | 33 | * specified in seconds. |
| Clemo | 0:0a76ae27065b | 34 | * duty_cycle - A floating-point value representing the output duty-cycle, |
| Clemo | 0:0a76ae27065b | 35 | * specified as a percentage. The value should lie between |
| Clemo | 0:0a76ae27065b | 36 | * 0.0f (representing on 0%) and 1.0f (representing on 100%). |
| Clemo | 0:0a76ae27065b | 37 | * Values outside this range will be saturated to 0.0f or 1.0f. |
| Clemo | 0:0a76ae27065b | 38 | */ |
| Clemo | 0:0a76ae27065b | 39 | void set(float period, float duty_cycle); |
| Clemo | 0:0a76ae27065b | 40 | |
| Clemo | 0:0a76ae27065b | 41 | float get_pclk(void); |
| Clemo | 0:0a76ae27065b | 42 | |
| Clemo | 0:0a76ae27065b | 43 | protected: |
| Clemo | 0:0a76ae27065b | 44 | float m_pclk; |
| Clemo | 0:0a76ae27065b | 45 | uint32_t m_channel; |
| Clemo | 0:0a76ae27065b | 46 | uint32_t *m_p_mrx; |
| Clemo | 0:0a76ae27065b | 47 | }; |
| Clemo | 0:0a76ae27065b | 48 | |
| Clemo | 0:0a76ae27065b | 49 | } // namespace mbed |
| Clemo | 0:0a76ae27065b | 50 | |
| Clemo | 0:0a76ae27065b | 51 | #endif // __MY_PWM_OUT_H__ |