modbus_helpers.cpp File Reference

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Namespaces
namespace	esphome
namespace	esphome::modbus
namespace	esphome::modbus::helpers

Functions
uint16_t	esphome::modbus::helpers::server_frame_length (const uint8_t *frame, size_t size)
uint16_t	esphome::modbus::helpers::client_frame_length (const uint8_t *frame, size_t size)
void	esphome::modbus::helpers::log_unsupported_value_type (SensorValueType value_type)
std::optional< int64_t >	esphome::modbus::helpers::payload_to_number (const uint8_t *data, size_t size, SensorValueType sensor_value_type, uint8_t offset, uint32_t bitmask)
	Convert a raw response payload to a number.
std::optional< int64_t >	esphome::modbus::helpers::registers_to_number (const uint16_t *registers, size_t count, SensorValueType sensor_value_type)
	Reconstruct a number from register words (host byte order).
StaticVector< uint8_t, MAX_PDU_SIZE >	esphome::modbus::helpers::create_client_pdu (ModbusFunctionCode function_code, uint16_t start_address, uint16_t number_of_entities, const uint8_t *values=nullptr, size_t values_len=0)
	Create a modbus clinet pdu for reading/writing single/multiple coils/register/inputs.