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Add support for SDMXXX energy meters (#1260)

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Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
This commit is contained in:
polyfaces
2021-05-31 12:05:49 +08:00
committed by GitHub
parent 9a2cf05c5f
commit bb759d52c8
12 changed files with 525 additions and 2 deletions
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esphome/components/modbus/modbus.cpp
+13
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@@ -6,6 +6,11 @@ namespace modbus {
static const char *TAG = "modbus";
void Modbus::setup() {
if (this->flow_control_pin_ != nullptr) {
this->flow_control_pin_->setup();
}
}
void Modbus::loop() {
const uint32_t now = millis();
if (now - this->last_modbus_byte_ > 50) {
@@ -94,6 +99,7 @@ bool Modbus::parse_modbus_byte_(uint8_t byte) {
void Modbus::dump_config() {
ESP_LOGCONFIG(TAG, "Modbus:");
LOG_PIN(" Flow Control Pin: ", this->flow_control_pin_);
this->check_uart_settings(9600, 2);
}
float Modbus::get_setup_priority() const {
@@ -112,7 +118,14 @@ void Modbus::send(uint8_t address, uint8_t function, uint16_t start_address, uin
frame[6] = crc >> 0;
frame[7] = crc >> 8;
if (this->flow_control_pin_ != nullptr)
this->flow_control_pin_->digital_write(true);
this->write_array(frame, 8);
this->flush();
if (this->flow_control_pin_ != nullptr)
this->flow_control_pin_->digital_write(false);
}
} // namespace modbus