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53 lines
1.2 KiB
C++
53 lines
1.2 KiB
C++
#ifndef STA_RASPI_I2C_HPP
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#define STA_RASPI_I2C_HPP
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#include <sta/config.hpp>
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#ifdef STA_PLATFORM_RASPI
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#include <sta/bus/i2c/i2c.hpp>
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#include <sta/bus/i2c/device.hpp>
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#include <linux/i2c-dev.h>
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#include <sys/ioctl.h>
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namespace sta
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{
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enum class I2CNode {
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DEV_1,
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DEV_2
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};
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class RaspiI2C : public I2C
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{
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public:
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RaspiI2C(I2CNode node, Mutex * mutex=nullptr, bool persistent_open=false);
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~RaspiI2C();
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void transfer(uint8_t value) override;
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void transfer16(uint16_t value) override;
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void transfer(const uint8_t * buffer, size_t size) override;
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void receive(uint8_t * buffer, size_t size) override;
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void selectAddress();
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void acquire() override;
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void release() override;
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void fill(uint8_t value, size_t count) override;
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private:
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char * i2cdev_;
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int i2cfd_;
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bool open_ = false;
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const bool persistent_open_;
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};
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class RaspiI2CDevice : public I2CDevice
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{
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public:
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RaspiI2CDevice(RaspiI2C * intf, uint16_t address_10bit, bool master=true, bool blocking=true);
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};
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} // namespace sta
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#endif // STA_PLATFORM_RASPI
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#endif // STA_I2C_HPP
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