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[mcp23xxx] Use CachedGpioExpander (#10078)

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This commit is contained in:
Jesse Hills
2025-08-06 11:01:57 +12:00
committed by GitHub
parent c308e03e92
commit 3edd746c6c
13 changed files with 89 additions and 50 deletions
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16
esphome/components/mcp23x08_base/mcp23x08_base.cpp
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@@ -6,19 +6,21 @@ namespace mcp23x08_base {
static const char *const TAG = "mcp23x08_base";
bool MCP23X08Base::digital_read(uint8_t pin) {
uint8_t bit = pin % 8;
uint8_t reg_addr = mcp23x08_base::MCP23X08_GPIO;
uint8_t value = 0;
this->read_reg(reg_addr, &value);
return value & (1 << bit);
bool MCP23X08Base::digital_read_hw(uint8_t pin) {
if (!this->read_reg(mcp23x08_base::MCP23X08_GPIO, &this->input_mask_)) {
this->status_set_warning(ESP_LOG_MSG_COMM_FAIL);
return false;
}
return true;
}
void MCP23X08Base::digital_write(uint8_t pin, bool value) {
void MCP23X08Base::digital_write_hw(uint8_t pin, bool value) {
uint8_t reg_addr = mcp23x08_base::MCP23X08_OLAT;
this->update_reg(pin, value, reg_addr);
}
bool MCP23X08Base::digital_read_cache(uint8_t pin) { return this->input_mask_ & (1 << pin); }
void MCP23X08Base::pin_mode(uint8_t pin, gpio::Flags flags) {
uint8_t iodir = mcp23x08_base::MCP23X08_IODIR;
uint8_t gppu = mcp23x08_base::MCP23X08_GPPU;