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Modbus Controller added some features (#5318)

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Tercio Filho 2023-09-12 19:15:01 -03:00 committed by GitHub
parent bff74af882
commit bf5352b44e
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 38 additions and 4 deletions
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5
esphome/components/modbus_controller/__init__.py
View file

@ -8,6 +8,7 @@ from .const import (
CONF_BITMASK,
CONF_BYTE_OFFSET,
CONF_COMMAND_THROTTLE,
CONF_OFFLINE_SKIP_UPDATES,
CONF_CUSTOM_COMMAND,
CONF_FORCE_NEW_RANGE,
CONF_MODBUS_CONTROLLER_ID,
@ -104,6 +105,7 @@ CONFIG_SCHEMA = cv.All(
cv.Optional(
CONF_COMMAND_THROTTLE, default="0ms"
): cv.positive_time_period_milliseconds,
cv.Optional(CONF_OFFLINE_SKIP_UPDATES, default=0): cv.positive_int,
}
)
.extend(cv.polling_component_schema("60s"))
@ -206,8 +208,9 @@ async def add_modbus_base_properties(
async def to_code(config):
var = cg.new_Pvariable(config[CONF_ID], config[CONF_COMMAND_THROTTLE])
var = cg.new_Pvariable(config[CONF_ID])
cg.add(var.set_command_throttle(config[CONF_COMMAND_THROTTLE]))
cg.add(var.set_offline_skip_updates(config[CONF_OFFLINE_SKIP_UPDATES]))
await register_modbus_device(var, config)

1
esphome/components/modbus_controller/const.py
View file

@ -1,6 +1,7 @@
CONF_BITMASK = "bitmask"
CONF_BYTE_OFFSET = "byte_offset"
CONF_COMMAND_THROTTLE = "command_throttle"
CONF_OFFLINE_SKIP_UPDATES = "offline_skip_updates"
CONF_CUSTOM_COMMAND = "custom_command"
CONF_FORCE_NEW_RANGE = "force_new_range"
CONF_MODBUS_CONTROLLER_ID = "modbus_controller_id"

23
esphome/components/modbus_controller/modbus_controller.cpp
View file

@ -26,6 +26,17 @@ bool ModbusController::send_next_command_() {
// remove from queue if command was sent too often
if (command->send_countdown < 1) {
if (!this->module_offline_) {
ESP_LOGW(TAG, "Modbus device=%d set offline", this->address_);
if (this->offline_skip_updates_ > 0) {
// Update skip_updates_counter to stop flooding channel with timeouts
for (auto &r : this->register_ranges_) {
r.skip_updates_counter = this->offline_skip_updates_;
}
}
}
this->module_offline_ = true;
ESP_LOGD(
TAG,
"Modbus command to device=%d register=0x%02X countdown=%d no response received - removed from send queue",
@ -49,6 +60,18 @@ bool ModbusController::send_next_command_() {
void ModbusController::on_modbus_data(const std::vector<uint8_t> &data) {
auto &current_command = this->command_queue_.front();
if (current_command != nullptr) {
if (this->module_offline_) {
ESP_LOGW(TAG, "Modbus device=%d back online", this->address_);
if (this->offline_skip_updates_ > 0) {
// Restore skip_updates_counter to restore commands updates
for (auto &r : this->register_ranges_) {
r.skip_updates_counter = 0;
}
}
}
this->module_offline_ = false;
// Move the commandItem to the response queue
current_command->payload = data;
this->incoming_queue_.push(std::move(current_command));

13
esphome/components/modbus_controller/modbus_controller.h
View file

@ -409,7 +409,6 @@ class ModbusCommandItem {
class ModbusController : public PollingComponent, public modbus::ModbusDevice {
public:
ModbusController(uint16_t throttle = 0) : command_throttle_(throttle){};
void dump_config() override;
void loop() override;
void setup() override;
@ -431,6 +430,12 @@ class ModbusController : public PollingComponent, public modbus::ModbusDevice {
const std::vector<uint8_t> &data);
/// called by esphome generated code to set the command_throttle period
void set_command_throttle(uint16_t command_throttle) { this->command_throttle_ = command_throttle; }
/// called by esphome generated code to set the offline_skip_updates
void set_offline_skip_updates(uint16_t offline_skip_updates) { this->offline_skip_updates_ = offline_skip_updates; }
/// get the number of queued modbus commands (should be mostly empty)
size_t get_command_queue_length() { return command_queue_.size(); }
/// get if the module is offline, didn't respond the last command
bool get_module_offline() { return module_offline_; }
protected:
/// parse sensormap_ and create range of sequential addresses
@ -443,8 +448,6 @@ class ModbusController : public PollingComponent, public modbus::ModbusDevice {
void process_modbus_data_(const ModbusCommandItem *response);
/// send the next modbus command from the send queue
bool send_next_command_();
/// get the number of queued modbus commands (should be mostly empty)
size_t get_command_queue_length_() { return command_queue_.size(); }
/// dump the parsed sensormap for diagnostics
void dump_sensors_();
/// Collection of all sensors for this component
@ -459,6 +462,10 @@ class ModbusController : public PollingComponent, public modbus::ModbusDevice {
uint32_t last_command_timestamp_;
/// min time in ms between sending modbus commands
uint16_t command_throttle_;
/// if module didn't respond the last command
bool module_offline_;
/// how many updates to skip if module is offline
uint16_t offline_skip_updates_;
};
/** Convert vector<uint8_t> response payload to float.