nymea · nymea-jenkins · Sep 18, 2021 · Aug 11, 2021
diff --git a/debian/control b/debian/control
@@ -479,6 +479,15 @@ Description: nymea.io plugin for mailnotification
  This package will install the nymea.io plugin for mailnotification
 
 
+Package: nymea-plugin-mcp3008
+Architecture: any
+Depends: ${misc:Depends},
+         nymea-plugins-translations,
+         python3-pip,
+Description: MCP3008 DAC integration plugin for nymea
+ This package will install the nymea.io plugin for using the MCP3008 DAC.
+
+
 Package: nymea-plugin-mqttclient
 Architecture: any
 Depends: ${shlibs:Depends},
@@ -1279,6 +1288,7 @@ Depends: nymea-plugin-boblight,
          nymea-plugin-gpio,
          nymea-plugin-i2cdevices,
          nymea-plugin-mqttclient,
+         nymea-plugin-mcp3008,
          nymea-plugin-remotessh,
          nymea-plugin-serialportcommander,
          nymea-plugin-systemmonitor,

diff --git a/debian/nymea-plugin-mcp3008.install.in b/debian/nymea-plugin-mcp3008.install.in
@@ -0,0 +1,3 @@
+mcp3008/integrationpluginmcp3008.json usr/lib/@DEB_HOST_MULTIARCH@/nymea/plugins/mcp3008/
+mcp3008/integrationpluginmcp3008.py usr/lib/@DEB_HOST_MULTIARCH@/nymea/plugins/mcp3008/
+mcp3008/requirements.txt usr/lib/@DEB_HOST_MULTIARCH@/nymea/plugins/mcp3008/
diff --git a/i2cdevices/integrationplugini2cdevices.json b/i2cdevices/integrationplugini2cdevices.json
@@ -71,7 +71,7 @@
                             "id": "d52cd791-6d92-49e4-b46b-593cb0691d46",
                             "name": "channel3",
                             "displayName": "Channel 3",
-                            "displayNameEvent": "Channel 1 value changed",
+                            "displayNameEvent": "Channel 3 value changed",
                             "type": "double",
                             "defaultValue": 0,
                             "minValue": 0,

diff --git a/mcp3008/README.md b/mcp3008/README.md
@@ -0,0 +1,19 @@
+# MCP3008
+
+This plugin adds support for the MCP3008 Analog Digital Converter to nymea.
+
+> Note: This plugin will only work on the Raspberry Pi
+
+## Supported Things
+
+* MCP3008
+
+## Requirements
+
+* The MCP3008 must be wired up properly to the SPI interface.
+* The package “nymea-plugin-mcp3008” must be installed
+
+## More
+
+[Adafruit tutorial](https://learn.adafruit.com/raspberry-pi-analog-to-digital-converters/mcp3008)
+[MCP3008 data sheet](https://cdn-shop.adafruit.com/datasheets/MCP3008.pdf)
diff --git a/mcp3008/integrationpluginmcp3008.json b/mcp3008/integrationpluginmcp3008.json
@@ -0,0 +1,140 @@
+{
+    "name": "mcp3008",
+    "displayName": "MCP3008",
+    "id": "c45ff005-b9e9-4334-babb-4c00d6b7b714",
+    "vendors": [
+        {
+            "name": "microchip",
+            "displayName": "Microchip Technology",
+            "id": "6a416628-edfc-4e15-a530-eb7c7fc00ace",
+            "thingClasses": [
+                {
+                    "id": "b22461d4-7961-492d-b2a1-f613abc8a5fb",
+                    "name": "mcp3008",
+                    "displayName": "MCP3008 SPI ADC",
+                    "createMethods": ["User"],
+                    "paramTypes": [
+                        {
+                            "id": "cf97ede3-429a-4a6c-8eeb-99d7afd2eb37",
+                            "name": "clk",
+                            "displayName": "CLK",
+                            "type": "uint",
+                            "defaultValue": 11
+                        },
+                        {
+                            "id": "2e84602a-ef28-4f8c-bd0b-233036155da3",
+                            "name": "miso",
+                            "displayName": "MISO",
+                            "type": "uint",
+                            "defaultValue": 9
+                        },
+                        {
+                            "id": "7dc0d2f1-2960-4fdc-b77b-3ab93a33fa6c",
+                            "name": "mosi",
+                            "displayName": "MOSI",
+                            "type": "uint",
+                            "defaultValue": 10
+                        },
+                        {
+                            "id": "0771e974-008e-4190-bee7-efb6163decc5",
+                            "name": "cs",
+                            "displayName": "CS",
+                            "type": "uint",
+                            "defaultValue": 8
+                        }
+                    ],
+                    "stateTypes":[
+                        {
+                            "id": "1c95c1ca-8043-4096-9e0c-62d6a9bcd468",
+                            "name": "channel1",
+                            "displayName": "Channel 1",
+                            "displayNameEvent": "Channel 1 value changed",
+                            "type": "double",
+                            "defaultValue": 0,
+                            "minValue": 0,
+                            "maxValue": 3.3,
+                            "ioType": "analogInput"
+                        },
+                        {
+                            "id": "cf354a91-f994-47ef-aeeb-2f03e54f1d7a",
+                            "name": "channel2",
+                            "displayName": "Channel 2",
+                            "displayNameEvent": "Channel 2 value changed",
+                            "type": "double",
+                            "defaultValue": 0,
+                            "minValue": 0,
+                            "maxValue": 3.3,
+                            "ioType": "analogInput"
+                        },
+                        {
+                            "id": "b0beb2b3-cb44-488f-b0e8-a6f3433b6683",
+                            "name": "channel3",
+                            "displayName": "Channel 3",
+                            "displayNameEvent": "Channel 3 value changed",
+                            "type": "double",
+                            "defaultValue": 0,
+                            "minValue": 0,
+                            "maxValue": 3.3,
+                            "ioType": "analogInput"
+                        },
+                        {
+                            "id": "c4f1cf54-427a-4b91-aa5e-7256e1b130bf",
+                            "name": "channel4",
+                            "displayName": "Channel 4",
+                            "displayNameEvent": "Channel 4 value changed",
+                            "type": "double",
+                            "defaultValue": 0,
+                            "minValue": 0,
+                            "maxValue": 3.3,
+                            "ioType": "analogInput"
+                        },
+                        {
+                            "id": "593cdc76-25ec-4252-90ce-8a8da01cf328",
+                            "name": "channel5",
+                            "displayName": "Channel 5",
+                            "displayNameEvent": "Channel 5 value changed",
+                            "type": "double",
+                            "defaultValue": 0,
+                            "minValue": 0,
+                            "maxValue": 3.3,
+                            "ioType": "analogInput"
+                        },
+                        {
+                            "id": "0e3a1f3d-eb4d-4bd5-bfe8-c1404713039e",
+                            "name": "channel6",
+                            "displayName": "Channel 6",
+                            "displayNameEvent": "Channel 6 value changed",
+                            "type": "double",
+                            "defaultValue": 0,
+                            "minValue": 0,
+                            "maxValue": 3.3,
+                            "ioType": "analogInput"
+                        },
+                        {
+                            "id": "3d53239b-51ee-4097-8028-291ff063b3ca",
+                            "name": "channel7",
+                            "displayNam
6DB6
e": "Channel 7",
+                            "displayNameEvent": "Channel 7 value changed",
+                            "type": "double",
+                            "defaultValue": 0,
+                            "minValue": 0,
+                            "maxValue": 3.3,
+                            "ioType": "analogInput"
+                        },
+                        {
+                            "id": "c10ed6ba-0248-477d-98ad-23d7318b6468",
+                            "name": "channel8",
+                            "displayName": "Channel 8",
+                            "displayNameEvent": "Channel 8 value changed",
+                            "type": "double",
+                            "defaultValue": 0,
+                            "minValue": 0,
+                            "maxValue": 3.3,
+                            "ioType": "analogInput"
+                        }
+                    ]
+                }
+            ]
+        }
+    ]
+}
diff --git a/mcp3008/integrationpluginmcp3008.py b/mcp3008/integrationpluginmcp3008.py
@@ -0,0 +1,116 @@
+import nymea
+import RPi.GPIO as GPIO
+
+pluginTimer = None
+
+def readadc(adcnum, clockpin, mosipin, misopin, cspin):
+    if ((adcnum > 7) or (adcnum < 0)):
+        return -1
+    GPIO.output(cspin, True)
+
+    GPIO.output(clockpin, False)  # start clock low
+    GPIO.output(cspin, False)     # bring CS low
+
+    commandout = adcnum
+    commandout |= 0x18  # start bit + single-ended bit
+    commandout <<= 3    # we only need to send 5 bits here
+    for i in range(5):
+        if (commandout & 0x80):
+            GPIO.output(mosipin, True)
+        else:
+            GPIO.output(mosipin, False)
+        commandout <<= 1
+        GPIO.output(clockpin, True)
+        GPIO.output(clockpin, False)
+
+    adcout = 0
+    # read in one empty bit, one null bit and 10 ADC bits
+    for i in range(12):
+        GPIO.output(clockpin, True)
+        GPIO.output(clockpin, False)
+        adcout <<= 1
+        if (GPIO.input(misopin)):
+            adcout |= 0x1
+
+    GPIO.output(cspin, True)
+
+    adcout >>= 1       # first bit is 'null' so drop it
+    return adcout
+
+
+def setupThing(info):
+    logger.log("SetupThing for MCP3008:", info.thing.name)
+
+    SPICLK = info.thing.paramValue(mcp3008ThingClkParamTypeId)
+    SPIMISO = info.thing.paramValue(mcp3008ThingMisoParamTypeId)
+    SPIMOSI = info.thing.paramValue(mcp3008ThingMosiParamTypeId)
+    SPICS = info.thing.paramValue(mcp3008ThingCsParamTypeId)
+
+    try:
+        GPIO.setwarnings(False)
+        GPIO.setmode(GPIO.BCM)    #to specify whilch pin numbering system
+        # set up the SPI interface pins
+        GPIO.setup(SPIMOSI, GPIO.OUT)
+        GPIO.setup(SPIMISO, GPIO.IN)
+        GPIO.setup(SPICLK, GPIO.OUT)
+        GPIO.setup(SPICS, GPIO.OUT)
+
+        logger.log("Reading channel 0")
+        chan0Value = readadc(0, SPICLK, SPIMOSI, SPIMISO, SPICS)
+        logger.log('Raw ADC Value: %s' % chan0Value)
+        logger.log('ADC Voltage: %sV' % str("%.2f"%((chan0Value/1024.)*5)))
+
+    except Exception as e:
+        logger.warn("Unable to open SPI port", str(e))
+        info.finish(nymea.ThingErrorHardwareFailure, "Unable to connect to the device. Please verify it is connected properly to the SPI interface.")
+        return
+
+    info.finish(nymea.ThingErrorNoError)
+
+    global pluginTimer
+    if pluginTimer is None:
+        pluginTimer = nymea.PluginTimer(5, pollChannels)
+
+
+
+def thingRemoved(thing):
+    del devices[thing]
+    if len(myThings()) == 0:
+        GPIO.cleanup()
+
+
+
+def pollChannels():
+    for thing in myThings():        
+        SPICLK = thing.paramValue(mcp3008ThingClkParamTypeId)
+        SPIMISO = thing.paramValue(mcp3008ThingMisoParamTypeId)
+        SPIMOSI = thing.paramValue(mcp3008ThingMosiParamTypeId)
+        SPICS = thing.paramValue(mcp3008ThingCsParamTypeId)
+
+        try:
+            chan0Value = readadc(0, SPICLK, SPIMOSI, SPIMISO, SPICS)
+            thing.setStateValue(mcp3008Channel1StateTypeId, str("%.2f"%((chan0Value/1024.)*5)))
+
+            chan0Value = readadc(1, SPICLK, SPIMOSI, SPIMISO, SPICS)
+            thing.setStateValue(mcp3008Channel2StateTypeId, str("%.2f"%((chan0Value/1024.)*5)))
+
+            chan0Value = readadc(2, SPICLK, SPIMOSI, SPIMISO, SPICS)
+            thing.setStateValue(mcp3008Channel3StateTypeId, str("%.2f"%((chan0Value/1024.)*5)))
+
+            chan0Value = readadc(3, SPICLK, SPIMOSI, SPIMISO, SPICS)
+            thing.setStateValue(mcp3008Channel4StateTypeId, str("%.2f"%((chan0Value/1024.)*5)))
+
+            chan0Value = readadc(4, SPICLK, SPIMOSI, SPIMISO, SPICS)
+            thing.setStateValue(mcp3008Channel5StateTypeId, str("%.2f"%((chan0Value/1024.)*5)))
+
+            chan0Value = readadc(5, SPICLK, SPIMOSI, SPIMISO, SPICS)
+            thing.setStateValue(mcp3008Channel6StateTypeId, str("%.2f"%((chan0Value/1024.)*5)))
+
+            chan0Value = readadc(6, SPICLK, SPIMOSI, SPIMISO, SPICS)
+            thing.setStateValue(mcp3008Channel7StateTypeId, str("%.2f"%((chan0Value/1024.)*5)))
+
+            chan0Value = readadc(7, SPICLK, SPIMOSI, SPIMISO, SPICS)
+            thing.setStateValue(mcp3008Channel8StateTypeId, str("%.2f"%((chan0Value/1024.)*5)))
+
+        except:
+            logger.warn("Failed to read values from", thing.name)
diff --git a/mcp3008/mcp3008.pro b/mcp3008/mcp3008.pro
@@ -0,0 +1,6 @@
+TEMPLATE = aux
+
+OTHER_FILES = integrationpluginmcp3008.json \
+        integrationpluginmcp3008.py \
+        MCP3008.py
+
diff --git a/mcp3008/meta.json b/mcp3008/meta.json
@@ -0,0 +1,13 @@
+{
+    "title": "MCP3008",
+    "tagline": "Connect MCP3008 digital analog converters to nymea.",
+    "icon": "",
+    "stability": "consumer",
+    "offline": false,
+    "technologies": [
+        "SPI"
+    ],
+    "categories": [
+        "DYI"
+    ]
+}
diff --git a/mcp3008/requirements.txt b/mcp3008/requirements.txt
@@ -0,0 +1,3 @@
+RPi.GPIO==0.7.0 \
+    --hash=sha256:7424bc6c205466764f30f666c18187a0824077daf20b295c42f08aea2cb87d3f \
+    --hash=sha256:6a4791f41cafc2ee6e4cb70e5bd31fadc66a0cfab29b38df8723a98f6f73ad5a
diff --git a/nymea-plugins.pro b/nymea-plugins.pro
@@ -39,6 +39,7 @@ PLUGIN_DIRS = \
     netatmo             \
     networkdetector     \
     nuki                \
+    mcp3008             \
     onewire             \
     openuv              \ 
     openweathermap      \