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Publish custom data when modbus number lambda fills vector (#3295)

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Jesse Hills 2022-03-29 22:22:11 +13:00 committed by GitHub
parent cf5c640ae4
commit 7f7175b184
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 69 additions and 28 deletions
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22
esphome/components/modbus_controller/modbus_controller.cpp
View file

@ -455,6 +455,28 @@ ModbusCommandItem ModbusCommandItem::create_custom_command(
return cmd;
}
ModbusCommandItem ModbusCommandItem::create_custom_command(
ModbusController *modbusdevice, const std::vector<uint16_t> &values,
std::function<void(ModbusRegisterType register_type, uint16_t start_address, const std::vector<uint8_t> &data)>
&&handler) {
ModbusCommandItem cmd = {};
cmd.modbusdevice = modbusdevice;
cmd.function_code = ModbusFunctionCode::CUSTOM;
if (handler == nullptr) {
cmd.on_data_func = [](ModbusRegisterType register_type, uint16_t start_address, const std::vector<uint8_t> &data) {
ESP_LOGI(TAG, "Custom Command sent");
};
} else {
cmd.on_data_func = handler;
}
for (auto v : values) {
cmd.payload.push_back((v >> 8) & 0xFF);
cmd.payload.push_back(v & 0xFF);
}
return cmd;
}
bool ModbusCommandItem::send() {
if (this->function_code != ModbusFunctionCode::CUSTOM) {
modbusdevice->send(uint8_t(this->function_code), this->register_address, this->register_count, this->payload.size(),

20
esphome/components/modbus_controller/modbus_controller.h
View file

@ -2,12 +2,12 @@
#include "esphome/core/component.h"
#include "esphome/core/automation.h"
#include "esphome/components/modbus/modbus.h"
#include "esphome/core/automation.h"
#include <list>
#include <set>
#include <queue>
#include <set>
#include <vector>
namespace esphome {
@ -374,8 +374,8 @@ class ModbusCommandItem {
const std::vector<bool> &values);
/** Create custom modbus command
* @param modbusdevice pointer to the device to execute the command
* @param values byte vector of data to be sent to the device. The compplete payload must be provided with the
* exception of the crc codess
* @param values byte vector of data to be sent to the device. The complete payload must be provided with the
* exception of the crc codes
* @param handler function called when the response is received. Default is just logging a response
* @return ModbusCommandItem with the prepared command
*/
@ -383,6 +383,18 @@ class ModbusCommandItem {
ModbusController *modbusdevice, const std::vector<uint8_t> &values,
std::function<void(ModbusRegisterType register_type, uint16_t start_address, const std::vector<uint8_t> &data)>
&&handler = nullptr);
/** Create custom modbus command
* @param modbusdevice pointer to the device to execute the command
* @param values word vector of data to be sent to the device. The complete payload must be provided with the
* exception of the crc codes
* @param handler function called when the response is received. Default is just logging a response
* @return ModbusCommandItem with the prepared command
*/
static ModbusCommandItem create_custom_command(
ModbusController *modbusdevice, const std::vector<uint16_t> &values,
std::function<void(ModbusRegisterType register_type, uint16_t start_address, const std::vector<uint8_t> &data)>
&&handler = nullptr);
};
/** Modbus controller class.

55
esphome/components/modbus_controller/number/modbus_number.cpp
View file

@ -26,6 +26,7 @@ void ModbusNumber::parse_and_publish(const std::vector<uint8_t> &data) {
}
void ModbusNumber::control(float value) {
ModbusCommandItem write_cmd;
std::vector<uint16_t> data;
float write_value = value;
// Is there are lambda configured?
@ -45,33 +46,39 @@ void ModbusNumber::control(float value) {
write_value = multiply_by_ * write_value;
}
// lambda didn't set payload
if (data.empty()) {
data = float_to_payload(write_value, this->sensor_value_type);
}
ESP_LOGD(TAG,
"Updating register: connected Sensor=%s start address=0x%X register count=%d new value=%.02f (val=%.02f)",
this->get_name().c_str(), this->start_address, this->register_count, value, write_value);
// Create and send the write command
ModbusCommandItem write_cmd;
if (this->register_count == 1 && !this->use_write_multiple_) {
// since offset is in bytes and a register is 16 bits we get the start by adding offset/2
write_cmd =
ModbusCommandItem::create_write_single_command(parent_, this->start_address + this->offset / 2, data[0]);
if (!data.empty()) {
ESP_LOGV(TAG, "Modbus Number write raw: %s", format_hex_pretty(data).c_str());
write_cmd = ModbusCommandItem::create_custom_command(
this->parent_, data,
[this, write_cmd](ModbusRegisterType register_type, uint16_t start_address, const std::vector<uint8_t> &data) {
this->parent_->on_write_register_response(write_cmd.register_type, this->start_address, data);
});
} else {
write_cmd = ModbusCommandItem::create_write_multiple_command(parent_, this->start_address + this->offset / 2,
this->register_count, data);
data = float_to_payload(write_value, this->sensor_value_type);
ESP_LOGD(TAG,
"Updating register: connected Sensor=%s start address=0x%X register count=%d new value=%.02f (val=%.02f)",
this->get_name().c_str(), this->start_address, this->register_count, value, write_value);
// Create and send the write command
if (this->register_count == 1 && !this->use_write_multiple_) {
// since offset is in bytes and a register is 16 bits we get the start by adding offset/2
write_cmd =
ModbusCommandItem::create_write_single_command(parent_, this->start_address + this->offset / 2, data[0]);
} else {
write_cmd = ModbusCommandItem::create_write_multiple_command(parent_, this->start_address + this->offset / 2,
this->register_count, data);
}
// publish new value
write_cmd.on_data_func = [this, write_cmd, value](ModbusRegisterType register_type, uint16_t start_address,
const std::vector<uint8_t> &data) {
// gets called when the write command is ack'd from the device
parent_->on_write_register_response(write_cmd.register_type, start_address, data);
this->publish_state(value);
};
}
// publish new value
write_cmd.on_data_func = [this, write_cmd, value](ModbusRegisterType register_type, uint16_t start_address,
const std::vector<uint8_t> &data) {
// gets called when the write command is ack'd from the device
parent_->on_write_register_response(write_cmd.register_type, start_address, data);
this->publish_state(value);
};
parent_->queue_command(write_cmd);
this->publish_state(value);
}
void ModbusNumber::dump_config() { LOG_NUMBER(TAG, "Modbus Number", this); }