45 lines
1.1 KiB
C++
45 lines
1.1 KiB
C++
#pragma once
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#include "esphome/components/mcp23xxx_base/mcp23xxx_base.h"
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#include "esphome/core/component.h"
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#include "esphome/core/hal.h"
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namespace esphome {
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namespace mcp23x08_base {
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enum MCP23S08GPIORegisters {
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// A side
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MCP23X08_IODIR = 0x00,
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MCP23X08_IPOL = 0x01,
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MCP23X08_GPINTEN = 0x02,
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MCP23X08_DEFVAL = 0x03,
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MCP23X08_INTCON = 0x04,
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MCP23X08_IOCON = 0x05,
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MCP23X08_GPPU = 0x06,
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MCP23X08_INTF = 0x07,
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MCP23X08_INTCAP = 0x08,
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MCP23X08_GPIO = 0x09,
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MCP23X08_OLAT = 0x0A,
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};
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class MCP23X08Base : public mcp23xxx_base::MCP23XXXBase<8> {
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public:
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bool digital_read_hw(uint8_t pin) override;
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void digital_write_hw(uint8_t pin, bool value) override;
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bool digital_read_cache(uint8_t pin) override;
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void pin_mode(uint8_t pin, gpio::Flags flags) override;
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void pin_interrupt_mode(uint8_t pin, mcp23xxx_base::MCP23XXXInterruptMode interrupt_mode) override;
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protected:
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void update_reg(uint8_t pin, bool pin_value, uint8_t reg_a) override;
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uint8_t olat_{0x00};
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/// State read in digital_read_hw
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uint8_t input_mask_{0x00};
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};
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} // namespace mcp23x08_base
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} // namespace esphome
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