ESPHome 2026.6.0-dev
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mcp23xxx_base.cpp
Go to the documentation of this file.
1#include "mcp23xxx_base.h"
3#include "esphome/core/log.h"
4
6
7template<uint8_t N> void MCP23XXXGPIOPin<N>::setup() {
8 this->pin_mode(flags_);
9 // When interrupt_pin is configured, pin_mode() already auto-enables CHANGE
10 // interrupt for input pins, so skip the explicit call if the user didn't
11 // override the default (NO_INTERRUPT)
12 if (this->interrupt_mode_ != MCP23XXX_NO_INTERRUPT || this->parent_->get_interrupt_pin() == nullptr) {
13 this->parent_->pin_interrupt_mode(this->pin_, this->interrupt_mode_);
14 }
15}
16template<uint8_t N> void MCP23XXXGPIOPin<N>::pin_mode(gpio::Flags flags) { this->parent_->pin_mode(this->pin_, flags); }
17template<uint8_t N> bool MCP23XXXGPIOPin<N>::digital_read() {
18 return this->parent_->digital_read(this->pin_) != this->inverted_;
19}
20template<uint8_t N> void MCP23XXXGPIOPin<N>::digital_write(bool value) {
21 this->parent_->digital_write(this->pin_, value != this->inverted_);
22}
23template<uint8_t N> size_t MCP23XXXGPIOPin<N>::dump_summary(char *buffer, size_t len) const {
24 return buf_append_printf(buffer, len, 0, "%u via MCP23XXX", this->pin_);
25}
26
27template class MCP23XXXGPIOPin<8>;
28template class MCP23XXXGPIOPin<16>;
29
30} // namespace esphome::mcp23xxx_base
void digital_write(bool value) override
void pin_mode(gpio::Flags flags) override
size_t dump_summary(char *buffer, size_t len) const override
uint16_t flags
const void size_t len
Definition hal.h:64