Comments (2)
314159-r
commented on July 24, 2024
Meanwhile, I have at least verified that the XIAO ESP32C3 devise is "physically" suited for this task.
I wired it up to my Sagemcom T211 meter, powered from the P1 port. And uploaded a test-config that reads the UART and reports to the debug output. - Works like a charm... :)
It's a really minimalistic setup, with just one pull-up resistor for RX, and one capacitor at the power input. And the ESP itself of course...
esp32c3-test.yaml.txt
log-esp32c3-uart_debug.txt
from esphome-p1reader.
314159-r
commented on July 24, 2024
This issue is not really related to the ESP32C3 device.
I get the same compile error for a Wemos D32 device, with the esp-idf framework.
I have no insight in whether a custom component like this, can be compatible with both frameworks or not. Or if a different variant of p1reader would be necessary to work with esp-idf.
However, Seeed Studio have shown that working with UART in custom components, XIAO ESP32C3 and esp-idf framework is possible in this demo. XIAO ESP32C3 accesses Home Assistant via ESPHome service
The good news is that we don't need esp-idf (I don't...).
I was diverted into trying esp-idf because I got errors compiling with arduino. Reading a lot of comments about poor support for these "new" -C3 devices, I decided to try with esp-idf instead...
Lack of success led me back to the arduino framework, and I have found a config that successfully compiles p1reade for the Seeed Studio XIAO ESP32C3 - with the arduino framework. :)
The trick was not to use the dedicated name for the board: seeed_xiao_esp32c3
Instead we must use the "generic" esp32-c3-devkitm-1
p1reader.yaml (sorry for sensor names in Swedish...)
substitutions:
device_name: "elmataren"
friendly_name: "Elmätaren"
device_description: "Ellevios el-mätare för hela huset. (SeeedStudio XIAO esp32c3)"
esphome:
name: ${device_name}
friendly_name: ${friendly_name}
comment: "${device_description}"
includes:
- p1reader.h
esp32:
board: esp32-c3-devkitm-1
variant: esp32c3
framework:
type: arduino
# Enable logging
logger:
baud_rate: 0
# Enable Home Assistant API
api:
encryption:
key: "1xUW/G1DHc+ToRQm17Qw3Na1LjM/8yG18lIBgxbGPpg="
ota:
password: "44906a5cd9292211d5b64204659e507f"
wifi:
ssid: !secret wifi_ssid
password: !secret wifi_password
domain: .lan
fast_connect: True
power_save_mode: none
# Enable fallback hotspot (captive portal) in case wifi connection fails
# ap:
# ssid: ${device_name}
# password: !secret fallback_ap_password
#
#captive_portal: # Kräver Arduino framework
uart:
id: uart_bus
baud_rate: 115200
rx_pin:
number: 20 # GPIO20, D7, RX
inverted: true
sensor:
- platform: custom
lambda: |-
auto meter_sensor = new P1Reader(id(uart_bus));
App.register_component(meter_sensor);
return {
meter_sensor->cumulativeActiveImport,
meter_sensor->cumulativeActiveExport,
meter_sensor->cumulativeReactiveImport,
meter_sensor->cumulativeReactiveExport,
meter_sensor->momentaryActiveImport,
meter_sensor->momentaryActiveExport,
meter_sensor->momentaryReactiveImport,
meter_sensor->momentaryReactiveExport,
meter_sensor->momentaryActiveImportL1,
meter_sensor->momentaryActiveExportL1,
meter_sensor->momentaryActiveImportL2,
meter_sensor->momentaryActiveExportL2,
meter_sensor->momentaryActiveImportL3,
meter_sensor->momentaryActiveExportL3,
meter_sensor->momentaryReactiveImportL1,
meter_sensor->momentaryReactiveExportL1,
meter_sensor->momentaryReactiveImportL2,
meter_sensor->momentaryReactiveExportL2,
meter_sensor->momentaryReactiveImportL3,
meter_sensor->momentaryReactiveExportL3,
meter_sensor->voltageL1,
meter_sensor->voltageL2,
meter_sensor->voltageL3,
meter_sensor->currentL1,
meter_sensor->currentL2,
meter_sensor->currentL3
};
sensors:
- name: "Energi"
unit_of_measurement: kWh
accuracy_decimals: 3
state_class: "total_increasing"
device_class: "energy"
- name: "Energi Export"
unit_of_measurement: kWh
accuracy_decimals: 3
state_class: "total_increasing"
device_class: "energy"
- name: "Energi Reaktiv"
unit_of_measurement: kvarh
accuracy_decimals: 3
- name: "Energi Export Reaktiv"
unit_of_measurement: kvarh
accuracy_decimals: 3
- name: "Effekt"
unit_of_measurement: kW
accuracy_decimals: 3
state_class: "measurement"
device_class: "power"
- name: "Effekt Export"
unit_of_measurement: kW
accuracy_decimals: 3
state_class: "measurement"
device_class: "power"
- name: "Effekt Reaktiv"
unit_of_measurement: kvar
accuracy_decimals: 3
- name: "Effekt Export Reaktiv"
unit_of_measurement: kvar
accuracy_decimals: 3
- name: "Effekt L1"
unit_of_measurement: kW
accuracy_decimals: 3
state_class: "measurement"
device_class: "power"
- name: "Effekt Export L1"
unit_of_measurement: kW
accuracy_decimals: 3
state_class: "measurement"
device_class: "power"
- name: "Effekt L2"
unit_of_measurement: kW
accuracy_decimals: 3
state_class: "measurement"
device_class: "power"
- name: "Effekt Export L2"
unit_of_measurement: kW
accuracy_decimals: 3
state_class: "measurement"
device_class: "power"
- name: "Effekt L3"
unit_of_measurement: kW
accuracy_decimals: 3
state_class: "measurement"
device_class: "power"
- name: "Effekt Export L3"
unit_of_measurement: kW
accuracy_decimals: 3
state_class: "measurement"
device_class: "power"
- name: "Effekt Reaktiv L1"
unit_of_measurement: kvar
accuracy_decimals: 3
- name: "Effekt Export Reaktiv L1"
unit_of_measurement: kvar
accuracy_decimals: 3
- name: "Effekt Reaktiv L2"
unit_of_measurement: kvar
accuracy_decimals: 3
- name: "Effekt Export Reaktiv L2"
unit_of_measurement: kvar
accuracy_decimals: 3
- name: "Effekt Reaktiv L3"
unit_of_measurement: kvar
accuracy_decimals: 3
- name: "Effekt Export Reaktiv L3"
unit_of_measurement: kvar
accuracy_decimals: 3
- name: "Spänning L1"
unit_of_measurement: V
accuracy_decimals: 1
state_class: "measurement"
device_class: "voltage"
- name: "Spänning L2"
unit_of_measurement: V
accuracy_decimals: 1
state_class: "measurement"
device_class: "voltage"
- name: "Spänning L3"
unit_of_measurement: V
accuracy_decimals: 1
state_class: "measurement"
device_class: "voltage"
- name: "Ström L1"
unit_of_measurement: A
accuracy_decimals: 1
state_class: "measurement"
device_class: "current"
- name: "Ström L2"
unit_of_measurement: A
accuracy_decimals: 1
state_class: "measurement"
device_class: "current"
- name: "Ström L3"
unit_of_measurement: A
accuracy_decimals: 1
state_class: "measurement"
device_class: "current"
- platform: uptime
name: "Uptime"
- platform: wifi_signal
name: "WiFi Signal dB"
id: wifi_signal_db
update_interval: 60s
- platform: copy # Reports the WiFi signal strength in %
source_id: wifi_signal_db
name: "WiFi Signal"
filters: # Konvertera -85dB...-45dB -> 0...100 %
- lambda: return min(max(2.5 * (x + 85.0), 0.0), 100.0);
unit_of_measurement: "%"
entity_category: "diagnostic"
text_sensor:
- platform: wifi_info
ip_address:
name: "IP Address"
ssid:
name: "WiFi SSID"
bssid:
name: "WiFi BSSID"
- platform: version
name: "ESPHome Version"
hide_timestamp: false
from esphome-p1reader.
Related Issues (20)
- Extend the esp to act as active repeater to connect additional P1 device HOT 2
- HDLC support missing (is AIDON meters really supported?)
- Instability Frequent Drop out HOT 3
- Add XIAO ESP32C3 to hardware section of readme.md
- Aidon meter and slimmelezer-wt32-eth01 HOT 5
- Landis Gyr e360 lte HOT 1
- SlimmeLezer+ with HDLC stops working HOT 1
- dual tariff HOT 2
- CRC Pass=no after a while HOT 3
- Update interval HOT 3
- Strange readings HSP Meter HAN port
- Problem error
- Custom components are deprecated HOT 3
- Slimmelezer not response after HAN plugged HOT 1
- CRC error, start block occasionally corrupted
- Data error on SlimmeLezer+
- InvalidJSONFile
- Unsigned negative current HOT 2
- ESP-12 p1reader.yaml HOT 1
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