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6783bfea76
Co-authored-by: Takashi Toyoshima <toyoshim@google.com> Co-authored-by: Shun Ikejima <ikejima@google.com>
37 lines
1.0 KiB
C++
37 lines
1.0 KiB
C++
// Copyright 2025 Google Inc.
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// Use of this source code is governed by an Apache License that can be found
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// in the LICENSE file.
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#ifndef I2C_DEVICE_H_
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#define I2C_DEVICE_H_
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#include <cstdint>
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#include <functional>
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#include "hardware/i2c.h"
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#include "pico/i2c_slave.h"
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class I2CDevice final {
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public:
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using ReadHandler = std::function<uint8_t(uint8_t /*address*/)>;
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using WriteHandler = std::function<void(uint8_t /*address*/, uint8_t /*value*/)>;
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I2CDevice(i2c_inst_t* i2c, uint8_t sda, uint8_t scl, uint8_t address);
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I2CDevice(const I2CDevice&) = delete;
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I2CDevice& operator=(const I2CDevice&) = delete;
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~I2CDevice() = default;
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void SetReadHandler(ReadHandler handler);
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void SetWriteHandler(WriteHandler handler);
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private:
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static void HandleEvent(i2c_inst_t* i2c, i2c_slave_event_t event);
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void HandleEventInternal(i2c_inst_t* i2c, i2c_slave_event_t event);
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ReadHandler reader_ = nullptr;
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WriteHandler writer_ = nullptr;
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bool address_ready_ = false;
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uint8_t address_ = 0;
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};
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#endif // I2C_DEVICE_H_
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