Added ADS131M08 external component

common/wifi.yaml

@@ -1,16 +1,9 @@
 wifi:
   domain: .sthome.org
+  min_auth_mode: WPA2     # requires esphome v2025.11.0 or later
   networks:
   - ssid: !secret wifi_ssid1
     password: !secret wifi_password1
-#  - ssid: !secret wifi_ssid2
-#    password: !secret wifi_password2
-#  - ssid: !secret wifi_ssid3
-#    password: !secret wifi_password3
-#  - ssid: !secret wifi_ssid4
-#    password: !secret wifi_password4
-#  - ssid: !secret wifi_ssid5
- #   password: !secret wifi_password5
   manual_ip:
     # For faster connection startup,
     # NB! set a static IP address in main config file

components/ads131m08/README.md

@@ -0,0 +1,6 @@
+# ESPHome config/source/custom Folder
+
+This folder contains Contains source code files and related resources for custom components.
+
+
+For more information, visit the [ESPHome documentation](https://esphome.io/).

components/ads131m08/__init__.py

@@ -0,0 +1,24 @@
+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome import pins
+from esphome.components import spi
+from esphome.const import CONF_ID
+
+DEPENDENCIES = ["spi"]
+ads131m08_ns = cg.esphome_ns.namespace("ads131m08")
+ADS131M08Hub = ads131m08_ns.class_("ADS131M08Hub", cg.Component, spi.SPIDevice)
+
+CONFIG_SCHEMA = cv.Schema({
+    cv.GenerateID(): cv.declare_id(ADS131M08Hub),
+    cv.Required("drdy_pin"): pins.internal_gpio_input_pin_schema,
+    cv.Required("vref"): cv.float_,
+}).extend(cv.COMPONENT_SCHEMA).extend(spi.spi_device_schema(cs_pin_required=True))
+
+async def to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+    await cg.register_component(var, config)
+    await spi.register_spi_device(var, config)
+    drdy = await cg.gpio_pin_expression(config["drdy_pin"])
+    reference_voltage = config["vref"]
+    cg.add(var.set_reference_voltage(reference_voltage))
+    cg.add(var.set_drdy_pin(drdy))

components/ads131m08/ads131m08.cpp

@@ -0,0 +1,197 @@
+#include "ads131m08.h"
+/*
+namespace esphome {
+namespace ads131m08 {
+
+static const char *const TAG = "ads131m08";
+
+ADS131M08::ADS131M08(esphome::gpio::GPIOPin *pin) 
+: drdy_pin_(pin)
+{
+}
+
+void ADS131M08::set_drdy_pin(InternalGPIOPin *pin)
+{ 
+  drdy_pin_ = pin; 
+}
+
+void ADS131M08::set_sensor(int channel, sensor::Sensor *s) 
+{ 
+  channels_[channel] = s; 
+}
+
+void ADS131M08::set_reference_voltage(float reference_voltage) 
+{ 
+  this->reference_voltage_ = reference_voltage; 
+}
+  
+float ADS131M08::get_setup_priority() const 
+{ 
+  return setup_priority::HARDWARE; 
+}
+
+void ADS131M08::setup() 
+{
+  // Initialize SPI with correct settings for ADS131M08
+  // SPI mode 1: CPOL=0, CPHA=1
+  //this->spi_setup(); 
+  SPI.begin();
+  SPI.setDataMode(SPI_MODE1);
+  SPI.setBitOrder(MSBFIRST);
+  SPI.setClockDivider(SPI_CLOCK_DIV8);  // Adjust clock speed as needed
+
+  // Configure DRDY pin
+  drdy_pin_->setup();
+  drdy_pin_->pin_mode(esphome::gpio::FLAG_INPUT | esphome::gpio::FLAG_PULLUP);
+
+  // Attach interrupt on falling edge of DRDY
+//  esphome::gpio::attach_interrupt(drdy_pin_, esphome::gpio::INTERRUPT_FALLING_EDGE, [this]() {
+//    this->data_ready_ = true;
+//  });
+  this->drdy_pin_->attach_interrupt(&ADS131M08Component::handle_drdy, this, gpio::INTERRUPT_FALLING_EDGE);
+
+  // Initialize ADS131M08
+  initialize_ads131m08();
+}
+
+// interrupt handler
+void ADS131M08::handle_drdy(ADS131M08Component *arg)
+{
+  arg->data_ready_ = true; 
+}
+
+void ADS131M08::loop() 
+{
+  if (data_ready_) {
+    data_ready_ = false;
+    read_all_channels();
+  }
+}
+
+void ADS131M08::initialize_ads131m08() 
+{
+  // Send RESET command
+  SPI.transfer(0x06);
+  delay(1);
+
+  // Send UNLOCK command
+  SPI.transfer(0x55);
+  SPI.transfer(0x55);
+
+  // Configure registers as needed (example: set gain, etc.)
+  // Write to MODE register for continuous conversion, disable internal reference (use external MAX6070AAUT12+T at 1.25V)
+  write_register(0x02, 0x0000);  // MODE register, continuous mode, INTREF_EN = 0
+
+  // Wait for external reference to settle
+  delay(100);
+
+  // Start conversions
+  SPI.transfer(0x08);  // START command
+}
+
+void ADS131M08::write_register(uint8_t reg, uint16_t value) 
+{
+  SPI.transfer(0x40 | reg);  // WREG command
+  SPI.transfer(0x00);        // Number of registers - 1 (0 for one register)
+  SPI.transfer((value >> 8) & 0xFF);
+  SPI.transfer(value & 0xFF);
+}
+
+void ADS131M08::read_all_channels() 
+{
+  // Send RDATA command or read data directly
+  SPI.transfer(0x12);  // RDATA command
+
+  // Read 24 bytes (3 bytes per channel for 8 channels)
+  for (int i = 0; i < 24; i++) {
+    data_buffer_[i] = SPI.transfer(0x00);
+  }
+
+  // Convert to voltages for all channels
+  //Sensor *channels[8] = {channel1, channel2, channel3, channel4, channel5, channel6, channel7, channel8};
+  for (int ch = 0; ch < 8; ch++) {
+    if (this->sensors_[ch] != nullptr) {
+      int offset = ch * 3;
+      int32_t raw = (data_buffer_[offset] << 16) | (data_buffer_[offset + 1] << 8) | data_buffer_[offset + 2];
+      if (raw & 0x800000) 
+        raw |= 0xFF000000;  // Sign extend
+      float v = (raw / 8388608.0) * this->reference_voltage_;  // 2^23 = 8388608, Vref = 1.25V (MAX6070AAUT12+T)
+      this->sensors_[ch]->publish_state(v);
+    }
+  }
+}
+
+float ADS131M08::read_data(uint8_t channel) 
+{
+  // This function assumes read_all_channels() has been called and data is in data_buffer_
+  int offset = channel * 3;
+  int32_t raw = (data_buffer_[offset] << 16) | (data_buffer_[offset + 1] << 8) | data_buffer_[offset + 2];
+  if (raw & 0x800000) 
+    raw |= 0xFF000000;  // Sign extend
+  float v = (raw / 8388608.0) * this->reference_voltage_;  // 2^23 = 8388608, Vref = 1.25V (MAX6070AAUT12+T)
+  return v;
+}
+
+void ADS131M08::dump_config() {
+  ESP_LOGCONFIG(TAG, "ADS131M08:");
+  LOG_PIN("  CS Pin:", this->cs_);
+  ESP_LOGCONFIG(TAG, "  Reference Voltage: %.2fV", this->reference_voltage_);
+}
+
+} // namespace ads131m08
+} // namespace esphome
+ */
+namespace esphome {
+namespace ads131m08 {
+
+static const char *const TAG = "ads131m08";
+
+void ADS131M08Hub::setup() 
+{
+  this->spi_setup();
+  this->drdy_pin_->setup();
+  this->drdy_pin_->attach_interrupt(&ADS131M08Hub::isr, this, gpio::INTERRUPT_FALLING_EDGE);
+}
+
+void IRAM_ATTR ADS131M08Hub::isr(ADS131M08Hub *arg) 
+{
+  arg->data_ready_ = true; 
+}
+
+void ADS131M08Hub::loop() 
+{
+  if (this->data_ready_) {
+    this->data_ready_ = false;
+    this->read_data_();
+  }
+}
+
+void ADS131M08Hub::read_data_() 
+{
+  this->enable();
+  // ADS131M08 Frame: 1 Status Word + 8 Channel Words + 1 CRC Word (24-bit words)
+  uint8_t frame[30]; // 10 words * 3 bytes
+  this->read_array(frame, 30);
+  this->disable();
+
+  for (int i = 0; i < 8; i++) {
+    if (this->sensors_[i] != nullptr) {
+      // Convert 24-bit two's complement to float (Simplified)
+      int32_t raw = (frame[3+(i*3)] << 16) | (frame[4+(i*3)] << 8) | frame[5+(i*3)];
+      if (raw & 0x800000) 
+        raw |= 0xFF000000;  // Sign extend
+      this->sensors_[i]->publish_state(raw * (this->reference_voltage_ / 8388608.0)); // 2^23 = 8388608, Vref = 1.25V ( for MAX6070AAUT12+T )
+    }
+  }
+}
+
+void ADS131M08Hub::dump_config() 
+{
+  ESP_LOGCONFIG(TAG, "ADS131M08:");
+  LOG_PIN("  CS Pin:", this->cs_);
+  LOG_PIN("  DRDY Pin:", this->drdy_pin_);
+  ESP_LOGCONFIG(TAG, "  Reference Voltage: %.2fV", this->reference_voltage_);
+}
+
+} // namespace ads131m08
+} // namespace esphome

components/ads131m08/ads131m08.h

@@ -0,0 +1,35 @@
+#pragma once
+// using external voltage reference
+
+#include "esphome/core/component.h"
+#include "esphome/components/spi/spi.h"
+#include "esphome/components/sensor/sensor.h"
+
+namespace esphome {
+namespace ads131m08 {
+
+class ADS131M08Sensor : public sensor::Sensor, public Component 
+{
+};
+
+class ADS131M08Hub : public Component, public spi::SPIDevice<spi::BIT_ORDER_MSB_FIRST, spi::CLOCK_POLARITY_LOW, spi::CLOCK_PHASE_TRAILING, spi::DATA_RATE_8MHZ> 
+{
+ public:
+  void setup() override;
+  void loop() override;
+  void set_drdy_pin(InternalGPIOPin *pin) { drdy_pin_ = pin; }
+  void register_sensor(int channel, ADS131M08Sensor *s) { sensors_[channel] = s; }
+  void set_reference_voltage(float reference_voltage) { this->reference_voltage_ = reference_voltage; }  
+  void dump_config() override;
+
+ protected:
+  float reference_voltage_; 
+  InternalGPIOPin *drdy_pin_;
+  ADS131M08Sensor *sensors_[8] = {nullptr};
+  volatile bool data_ready_{false};
+  static void isr(ADS131M08Hub *arg);
+  void read_data_();
+};
+
+} // namespace ads131m08
+} // namespace esphome

components/ads131m08/sensor.py

@@ -0,0 +1,21 @@
+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome.components import sensor
+from esphome.const import CONF_ID, CONF_CHANNEL
+from . import ADS131M08Hub, ads131m08_ns
+
+ADS131M08Sensor = ads131m08_ns.class_("ADS131M08Sensor", sensor.Sensor, cg.Component)
+
+CONFIG_SCHEMA = sensor.sensor_schema().extend({
+    cv.GenerateID(): cv.declare_id(ADS131M08Sensor),
+    cv.Required("ads_hub_id"): cv.use_id(ADS131M08Hub),
+    cv.Required(CONF_CHANNEL): cv.int_range(min=0, max=7),
+}).extend(cv.COMPONENT_SCHEMA)
+
+async def to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+    await cg.register_component(var, config)
+    await sensor.register_sensor(var, config)
+    
+    hub = await cg.get_variable(config["ads_hub_id"])
+    cg.add(hub.register_sensor(config[CONF_CHANNEL], var))

device.yaml

@@ -0,0 +1,9 @@
+# this is just a simple test device setup that's used to compile and test the examples
+
+esphome:
+  name: custom_components_test
+
+esp32:
+  board: esp32dev
+  framework:
+    type: esp-idf

sthome-ut1.yaml

@@ -1,15 +1,31 @@
-esphome:
+packages:
+  - !include common/wifi.yaml 
+#  - !include common/canbus.yaml
+#  - !include common/felicityinverter.yaml  
+
+substitutions:
   name: sthome-ut1
-  friendly_name: sthome-ut1
+  friendly_name: "sthome-ut1"
+
+esphome:
+  name: "${name}"
+  friendly_name: "${friendly_name}"
 
 esp32:
-  board: esp32dev
+  board: nodemcu-32s
+  variant:  esp32  
   framework:
-    type: arduino
+    type: arduino #esp-idf #
+
+debug:
+  update_interval: 10s
 
 # Enable logging
 logger:
-  level: INFO
+  level: DEBUG
+  logs:  
+    sensor: INFO
+    text_sensor: INFO
   
 # Enable Home Assistant API
 api:
@@ -21,36 +37,20 @@ ota:
     password: "37f546590fcc15e1323d273540eb623a"
 
 wifi:
-  #ssid: !secret wifi_ssid
-  #password: !secret wifi_password
-  # we will use local dns server for local dns resolution
   domain: ".sthome.org"
   networks:
   - ssid: !secret wifi_ssid1
     password: !secret wifi_password1
-  - ssid: !secret wifi_ssid2
-    password: !secret wifi_password2
-  - ssid: !secret wifi_ssid3
-    password: !secret wifi_password3
-  - ssid: !secret wifi_ssid4
-    password: !secret wifi_password4
-  - ssid: !secret wifi_ssid5
-    password: !secret wifi_password5
   manual_ip:
-    # For faster connection startup, set a static IP address
-    # Set this to the IP of the ESP
     static_ip: 10.0.2.1
-    gateway: 10.0.0.2
-    subnet: 255.255.240.0
-    dns1: 10.0.0.1
-    dns2: 10.0.0.2
   # Enable fallback hotspot (captive portal) in case wifi connection fails
   ap:
-    ssid: "sthome-ut1 Fallback Hotspot"
+    ssid: "${name} Fallback Hotspot"
     password: "7SglIlgdkpAD"
 
 captive_portal:
 
+
 #preferences:
 #  flash_write_interval: 30s
 
@@ -62,11 +62,29 @@ sun:
 time:
   - platform: homeassistant
 
+text_sensor:
+  - platform: debug
+    device:
+      name: "Device Info"
+    reset_reason:
+      name: "Reset Reason"
+
+  # human readable update text sensor from sensor:uptime
+  - platform: template
+    name: Uptime
+    id: uptime_human
+    icon: mdi:clock-start
+    update_interval: 10s
+
 #define OUTPUT_R1 16
 #define OUTPUT_R2 17
 #define OUTPUT_R3 18
 #define OUTPUT_R4 19
 switch:
+  - platform: restart
+    name: "${name} Restart"
+    id: "restart_switch"
+
   - platform: gpio
     pin: 
       number: GPIO16
@@ -176,3 +194,31 @@ sensor:
           if (id(alarm_signal).state > 1.5) {
               id(relay1).turn_on(); 
           }
+          
+  # human readable uptime sensor output to the text sensor above
+  - platform: uptime
+    name: Uptime in Days
+    id: uptime_sensor_days
+    update_interval: 10s
+    on_raw_value:
+      then:
+        - text_sensor.template.publish:
+            id: uptime_human
+            state: !lambda |-
+              int seconds = round(id(uptime_sensor_days).raw_state);
+              int days = seconds / (24 * 3600);
+              seconds = seconds % (24 * 3600);
+              int hours = seconds / 3600;
+              seconds = seconds % 3600;
+              int minutes = seconds /  60;
+              seconds = seconds % 60;
+              auto days_str =  std::to_string(days);
+              auto hours_str =  std::to_string(hours);
+              auto minutes_str =  std::to_string(minutes);
+              auto seconds_str =  std::to_string(seconds);
+              return (
+                (days ? days_str + "d " : "") +
+                (hours ? hours_str + "h " : "") +
+                (minutes ? minutes_str + "m " : "") +
+                (seconds_str + "s")
+              ).c_str();

sthome-ut10.yaml

@@ -47,7 +47,7 @@ esphome:
   on_boot:
     - priority: 600  # This is where most sensors are set up (higher number means higher priority)
       then:
-        - ds1307.read_time: # read the RTC time
+        #- ds1307.read_time: # read the RTC time
         - lambda: |-
             id(can_msgctr) = 0;
             id(update_heating_display).execute(false);
@@ -69,7 +69,7 @@ logger:
   level: very_verbose
   initial_level: very_verbose
   logs:
-    canbus: INFO
+    canbus: very_verbose
     touchscreen: INFO
     xpt2046: INFO
     script: INFO
@@ -98,24 +98,25 @@ wifi:
 captive_portal:
 
 time:
-  - platform: ds1307
+  #- platform: ds1307
     # repeated synchronization is not necessary unless the external RTC
     # is much more accurate than the internal clock
-    update_interval: never
+  #  update_interval: never
             
   - platform: homeassistant
     id: time_source
     #update_interval: 360min   # Change sync interval from default 5min to 6 hours
     on_time_sync:
       then:
-        - ds1307.write_time:
-#        - if:   # Publish the time the device was last restarted, but only once.
-#            condition:
-#              lambda: 'return id(device_last_restart).state == "";'
-#            then:
-#              - text_sensor.template.publish:
-#                  id: device_last_restart
-#                  state: !lambda 'return id(time_source).now().strftime("%a %d %b %Y - %I:%M:%S %p");'
+        #- ds1307.write_time:
+        - if:   # Publish the time the device was last restarted, but only once.
+            condition:
+              lambda: 'return id(device_last_restart).state == "";'
+            then:
+              - text_sensor.template.publish:
+                  id: device_last_restart
+                  state: !lambda 'return id(time_source).now().strftime("%a %d %b %Y - %I:%M:%S %p");'
+
 #        - script.execute: time_update
 #        - script.execute: init_calendar
 
@@ -211,7 +212,7 @@ interval:
   - interval: 30s
     then:
       - script.execute: send_info_request
-  - interval: 500ms
+  - interval: 15s # 500ms
     then:
       - script.execute: send_quick_update_request
 
@@ -1190,7 +1191,7 @@ sensor:
 #      return currenttime.timestamp - time_obj.timestamp;
 #    update_interval: 60s
 
-#text_sensor:
+text_sensor:
 ##  - platform: template
 ##    id: module_time
 ##    name: "Module time"
@@ -1218,12 +1219,12 @@ sensor:
 #    id: uptime_human
 #    icon: mdi:clock-start
 #      
-#  - platform: template
-#    name: 'Last Restart'
-#    id: device_last_restart
-#    icon: mdi:clock
-#    entity_category: diagnostic  
-#
+  - platform: template
+    name: 'Last Restart'
+    id: device_last_restart
+    icon: mdi:clock
+    entity_category: diagnostic  
+
 
 script:
   - id: send_quick_update_request

sthome-ut6.yaml

@@ -1,3 +1,6 @@
+packages:
+  - !include common/wifi.yaml 
+
 substitutions:
   name: sthome-ut6
   friendly_name: "sthome-ut6"
@@ -22,6 +25,7 @@ esp8266:
 
 # Enable logging
 logger:
+  level: INFO
   
 # Enable Home Assistant API
 api:
@@ -33,29 +37,8 @@ ota:
     password: "5956a60f6cf40cf4b6b172e23f236572"
 
 wifi:
-  #ssid: !secret wifi_ssid
-  #password: !secret wifi_password
-  # we will use local dns server for local dns resolution
-  domain: ".sthome.org"
-  networks:
-  - ssid: !secret wifi_ssid1
-    password: !secret wifi_password1
-  - ssid: !secret wifi_ssid2
-    password: !secret wifi_password2
-  - ssid: !secret wifi_ssid3
-    password: !secret wifi_password3
-  - ssid: !secret wifi_ssid4
-    password: !secret wifi_password4
-  - ssid: !secret wifi_ssid5
-    password: !secret wifi_password5
   manual_ip:
-    # For faster connection startup, set a static IP address
-    # Set this to the IP of the ESP
     static_ip: 10.0.2.6
-    gateway: 10.0.0.2
-    subnet: 255.255.240.0
-    dns1: 10.0.0.1
-    dns2: 10.0.0.2
 
   # Enable fallback hotspot (captive portal) in case wifi connection fails
   ap:
@@ -109,6 +92,10 @@ time:
 #          - script.execute: heartbeat
 #
 
+debug:
+  update_interval: 60s
+
+
 switch:
   # Switch to restart the ESP
   - platform: restart
@@ -189,6 +176,12 @@ sensor:
 
 
 text_sensor:
+  - platform: debug
+#    device:
+#      name: "Device Info"
+    reset_reason:
+      name: "Reset Reason"
+
   # Expose WiFi information as sensors
   - platform: wifi_info
     ip_address: