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@ -24,7 +24,7 @@ |
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Note that analogWrite of PWM on pins associated with the timer are disabled when the first servo is attached. |
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Timers are seized as needed in groups of 12 servos - 24 servos use two timers, 48 servos will use four. |
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The sequence used to sieze timers is defined in timers.h |
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The sequence used to seize timers is defined in timers.h |
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The methods are: |
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@ -50,7 +50,7 @@ |
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/*
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* Defines for 16 bit timers used with Servo library |
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* |
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* If _useTimerX is defined then TimerX is a 16 bit timer on the curent board |
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* If _useTimerX is defined then TimerX is a 16 bit timer on the current board |
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* timer16_Sequence_t enumerates the sequence that the timers should be allocated |
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* _Nbr_16timers indicates how many 16 bit timers are available. |
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* |
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@ -89,12 +89,12 @@ typedef enum { _timer3, _Nbr_16timers } timer16_Sequence_t ; |
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typedef enum { _Nbr_16timers } timer16_Sequence_t ; |
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#endif |
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#define Servo_VERSION 2 // software version of this library
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#define Servo_VERSION 2 // software version of this library
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#define MIN_PULSE_WIDTH 544 // the shortest pulse sent to a servo
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#define MAX_PULSE_WIDTH 2400 // the longest pulse sent to a servo
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#define DEFAULT_PULSE_WIDTH 1500 // default pulse width when servo is attached
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#define REFRESH_INTERVAL 20000 // minumim time to refresh servos in microseconds
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#define REFRESH_INTERVAL 20000 // minimum time to refresh servos in microseconds
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#define SERVOS_PER_TIMER 12 // the maximum number of servos controlled by one timer
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#define MAX_SERVOS (_Nbr_16timers * SERVOS_PER_TIMER) |
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@ -118,13 +118,13 @@ public: |
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uint8_t attach(int pin); // attach the given pin to the next free channel, sets pinMode, returns channel number or 0 if failure
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uint8_t attach(int pin, int min, int max); // as above but also sets min and max values for writes.
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void detach(); |
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void write(int value); // if value is < 200 its treated as an angle, otherwise as pulse width in microseconds
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void write(int value); // if value is < 200 it is treated as an angle, otherwise as pulse width in microseconds
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void writeMicroseconds(int value); // Write pulse width in microseconds
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int read(); // returns current pulse width as an angle between 0 and 180 degrees
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int readMicroseconds(); // returns current pulse width in microseconds for this servo (was read_us() in first release)
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bool attached(); // return true if this servo is attached, otherwise false
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#if defined (ENABLE_AUTO_BED_LEVELING) && (PROBE_SERVO_DEACTIVATION_DELAY > 0) |
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int pin; // store the hw pin of the servo
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int pin; // store the hardware pin of the servo
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#endif |
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private: |
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uint8_t servoIndex; // index into the channel data for this servo
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