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added support to change thresholds independently

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This commit is contained in:
Ahmet Inan 2020-04-19 15:19:49 +02:00
commit 707f6539de
1 changed files with 7 additions and 4 deletions
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11
trigger.hh
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@ -11,19 +11,22 @@ namespace DSP {
template <typename TYPE>
class SchmittTrigger
{
TYPE threshold;
TYPE low, high;
bool previous;
public:
constexpr SchmittTrigger(TYPE threshold = TYPE(1)/TYPE(3), bool previous = false) : threshold(threshold), previous(previous)
constexpr SchmittTrigger(TYPE threshold = TYPE(1)/TYPE(3), bool previous = false) : low(-threshold), high(threshold), previous(previous)
{
}
constexpr SchmittTrigger(TYPE low, TYPE high, bool previous = false) : low(low), high(high), previous(previous)
{
}
bool operator() (TYPE input)
{
if (previous) {
if (input < -threshold)
if (input < low)
previous = false;
} else {
if (input > threshold)
if (input > high)
previous = true;
}
return previous;