sascha/esphome
1
0
Fork 0
mirror of https://github.com/esphome/esphome.git synced 2025-03-13 22:28:14 +00:00
Code Issues Releases Wiki Activity

Update mcp4461_output.cpp

Browse Source
This commit is contained in:
Oliver Kleinecke 2025-02-20 12:52:25 +01:00 committed by GitHub
parent b6a27a70cc
commit 89abf35b70
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
1 changed files with 7 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
esphome/components/mcp4461/output/mcp4461_output.cpp
View File

@ -12,6 +12,13 @@ static const char *const TAG = "mcp4461.output";
// floats from other components (like light etc.) are passed as "percentage floats"
// this function converts them to the 0 - 256 range used by the MCP4461
void Mcp4461Wiper::write_state(float state) {
if (!std::isfinite(state)) {
return;
}
state = clamp(state, 0.0f, 1.0f);
if (this->is_inverted()) {
state = 1.0f - state;
}
if (this->parent_->set_wiper_level_(this->wiper_, static_cast<uint16_t>(std::roundf(state * 256)))) {
this->state_ = state;
}