Files
esphome/esphome/components/modbus/modbus.h
Otto Winter d2c7afeef0 Add PZEM004T/PZEMAC/PZEMDC Support (#587)
* Add PZEM004T Support

* Don't flush as much

* Update pzem004t.cpp

* Add generalized modbus

* Add PZEMAC

* Add PZEMDC

* Fix file modes

* Lint

* Fix

* Fix

* Add check_uart_settings
2019-10-20 19:29:48 +02:00

52 lines
1.2 KiB
C++

#pragma once
#include "esphome/core/component.h"
#include "esphome/components/uart/uart.h"
namespace esphome {
namespace modbus {
class ModbusDevice;
class Modbus : public uart::UARTDevice, public Component {
public:
Modbus() = default;
void loop() override;
void dump_config() override;
void register_device(ModbusDevice *device) { this->devices_.push_back(device); }
float get_setup_priority() const override;
void send(uint8_t address, uint8_t function, uint16_t start_address, uint16_t register_count);
protected:
bool parse_modbus_byte_(uint8_t byte);
std::vector<uint8_t> rx_buffer_;
uint32_t last_modbus_byte_{0};
std::vector<ModbusDevice *> devices_;
};
class ModbusDevice {
public:
void set_parent(Modbus *parent) { parent_ = parent; }
void set_address(uint8_t address) { address_ = address; }
virtual void on_modbus_data(const std::vector<uint8_t> &data) = 0;
void send(uint8_t function, uint16_t start_address, uint16_t register_count) {
this->parent_->send(this->address_, function, start_address, register_count);
}
protected:
friend Modbus;
Modbus *parent_;
uint8_t address_;
};
} // namespace modbus
} // namespace esphome