adc_in()

Reading the designated ADC

Description

int adc_in(int $adc_id [, int $sc = 1])

Parameters

$adc_id: ADC ID
$sc: sampling count (default: 1), it samples th enumber of $sc and calcuates an average and returns it

Return Value

average value after reading the number of the sample count

Example

<?php
$in_value = 0;
include "/lib/sd_340.php";
adc_setup(0, 0);          // Setting ADC0 to channel 0
adc_setup(1, 1);          // Setting ADC1 to channel 1
$value_0 = adc_in(0, 1);  // Reading from ADC0
$value_1 = adc_in(1, 50); // Reading from ADC1 (average vale after reading 50 times)
?>

See also