61 lines
1.7 KiB
C++
61 lines
1.7 KiB
C++
#pragma once
|
|
|
|
#ifdef USE_ESP32
|
|
|
|
#include "esphome/core/component.h"
|
|
#include "i2c_bus.h"
|
|
#include <driver/i2c_master.h>
|
|
|
|
namespace esphome::i2c {
|
|
|
|
enum RecoveryCode {
|
|
RECOVERY_FAILED_SCL_LOW,
|
|
RECOVERY_FAILED_SDA_LOW,
|
|
RECOVERY_COMPLETED,
|
|
};
|
|
|
|
class IDFI2CBus : public InternalI2CBus, public Component {
|
|
public:
|
|
void setup() override;
|
|
void dump_config() override;
|
|
ErrorCode write_readv(uint8_t address, const uint8_t *write_buffer, size_t write_count, uint8_t *read_buffer,
|
|
size_t read_count) override;
|
|
float get_setup_priority() const override { return setup_priority::BUS; }
|
|
|
|
void set_scan(bool scan) { this->scan_ = scan; }
|
|
void set_sda_pin(uint8_t sda_pin) { this->sda_pin_ = sda_pin; }
|
|
void set_sda_pullup_enabled(bool sda_pullup_enabled) { this->sda_pullup_enabled_ = sda_pullup_enabled; }
|
|
void set_scl_pin(uint8_t scl_pin) { this->scl_pin_ = scl_pin; }
|
|
void set_scl_pullup_enabled(bool scl_pullup_enabled) { this->scl_pullup_enabled_ = scl_pullup_enabled; }
|
|
void set_frequency(uint32_t frequency) { this->frequency_ = frequency; }
|
|
void set_timeout(uint32_t timeout) { this->timeout_ = timeout; }
|
|
#if SOC_LP_I2C_SUPPORTED
|
|
void set_lp_mode(bool lp_mode) { this->lp_mode_ = lp_mode; }
|
|
#endif
|
|
|
|
int get_port() const override { return this->port_; }
|
|
|
|
private:
|
|
void recover_();
|
|
RecoveryCode recovery_result_{};
|
|
|
|
protected:
|
|
i2c_master_dev_handle_t dev_{};
|
|
i2c_master_bus_handle_t bus_{};
|
|
i2c_port_t port_{};
|
|
uint8_t sda_pin_{};
|
|
bool sda_pullup_enabled_{};
|
|
uint8_t scl_pin_{};
|
|
bool scl_pullup_enabled_{};
|
|
uint32_t frequency_{};
|
|
uint32_t timeout_ = 0;
|
|
bool initialized_ = false;
|
|
#if SOC_LP_I2C_SUPPORTED
|
|
bool lp_mode_ = false;
|
|
#endif
|
|
};
|
|
|
|
} // namespace esphome::i2c
|
|
|
|
#endif // USE_ESP32
|