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fix: adjust state conversion for MCP4461 wiper to use 0.0 - 0.256 range

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This commit is contained in:
Oliver Kleinecke
2025-02-16 13:41:56 +01:00
parent 392263c0e2
commit 5e5e7c1714
1 changed files with 4 additions and 2 deletions
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6
esphome/components/mcp4461/output/mcp4461_output.cpp
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@@ -9,14 +9,16 @@ namespace mcp4461 {
static const char *const TAG = "mcp4461.output"; 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 0.0 - 0.256 range used by the MCP4461
void Mcp4461Wiper::write_state(float state) { void Mcp4461Wiper::write_state(float state) {
if (this->parent_->set_wiper_level_(this->wiper_, static_cast<uint16_t>(state * 1000))) { if (this->parent_->set_wiper_level_(this->wiper_, static_cast<uint16_t>(state * 256))) {
this->state_ = state; this->state_ = state;
} }
} }
float Mcp4461Wiper::read_state() { float Mcp4461Wiper::read_state() {
return (static_cast<float>(this->parent_->get_wiper_level_(this->wiper_)) / 1000.0); return (static_cast<float>(this->parent_->get_wiper_level_(this->wiper_)) / 256.0);
} }
float Mcp4461Wiper::update_state() { float Mcp4461Wiper::update_state() {