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servo_graph

int servo_graph( int which, word start, word nlines, word samples, word what, int low, int high );

Description

Draw ASCII-art graph of servo response. This is primarily intended for debugging. It should be called after resetting the sample collection table using servo_stats_reset(), then executing a movement whose response is to be graphed.

Parameters

which

Servo (0 or 1)

start

Starting sample number

nlines

Number of lines (sample bins) in graph - vertical axis

samples

Number of samples to cover (should be multiple of nlines)

what

Which statistic to print: 0 is for error; 1 for error integral; 2 for error rate (differential), 3 for PWM output setting. These may be customized to have different meanings

low

Low range of horizontal axis

high

High range of horizontal axis

Return Value

 0: OK
-1: error

Library

SERVO.LIB

See Also

servo_alloc_table, servo_read_table, servo_stats_reset