Merge branch 'main' of git.beagleboard.org:jkridner/docs.beagleboard.io

projects/beagleconnect/index.rst

@@ -15,7 +15,6 @@ architecture.
 .. image:: media/BeagleConnect-Freedom-Front.*
    :width: 598
    :align: center
-   :height: 400
    :alt: BeagleConnect Freedom
 
 BeagleConnect™ is built using `Greybus <https://kernel-recipes.org/en/2015/talks/an-introduction-to-greybus/>`__
@@ -55,11 +54,72 @@ High-level
 Software architecture
 *********************
 
-.. image:: media/bcf_block_diagram.png
-   :width: 600
-   :align: center
-   :height: 400
-   :alt: BeagleConnect Block Diagram
+.. graphviz:: BeagleConnect Software Architecture
+
+	// Software architecture
+	digraph S {
+		node [color=white shape=box]
+		subgraph cluster_0 {
+			color=black label="Linux PC"
+			subgraph cluster_1 {
+				node [color=green style=filled]
+				color=lightgrey label="Linux userspace" style=filled
+				A [label="User Application" tooltip="Primary developer entry point"]
+				g [label="gbridge**" tooltip="Bridge Greybus to networked devices"]
+			}
+			subgraph cluster_2 {
+				node [color=green style=filled]
+				color=lightgrey label="Linux kernel" style=filled
+				I [label="IIO Drivers" tooltip="Hundreds of drivers for sensors and acutators"]
+				r [label=greybus tooltip="Dynamic RPC-like bus interface for I2C, SPI, UART, etc."]
+				n [label="gb-netlink**" tooltip="Extend Greybus over netlink to userspace"]
+				m [label="mikrobus**" tooltip="Board-level abstraction to identify sensor connections"]
+				w [label="wpanusb**" tooltip="USB-interface to IEEE802.15.4 radio"]
+				i [label=ieee802154 tooltip="Standards-based radio interface"]
+				6 [label=lowpan tooltip="IPv6 for low-power wireless networks"]
+			}
+		}
+		subgraph cluster_3 {
+			color=black label="BCF gateway"
+			subgraph cluster_4 {
+				node [color=green style=filled]
+				color=lightgrey label=CC1352 style=filled
+				z [label="gateway**" tooltip="Zephyr-based IEEE802.15.4 radio accepting HDLC over UART transactions"]
+			}
+			subgraph cluster_5 {
+				node [color=green style=filled]
+				color=lightgrey label=MSP430 style=filled
+				b [label="usb_uart_bridge**" tooltip="USB interace to access CC1352 UART that encapulates WPANUSB in HDLC"]
+			}
+		}
+		subgraph cluster_6 {
+			color=black label="BCF node"
+			subgraph cluster_7 {
+				node [color=green style=filled]
+				color=lightgrey label=CC1352 style=filled
+				k [label="greybus-mikrobus**" tooltip="Zephyr-based applies Greybus transactions from IPv6/IEEE802154 to physical I2C, SPI, UART, etc."]
+			}
+			subgraph cluster_8 {
+				node [color=green style=filled]
+				color=lightgrey label="mikroBUS add-on board" style=filled
+				e [label="manifest 1-wire EEPROM**" tooltip="Manifest for mikroBUS driver"]
+				s [label=sensor tooltip="Over 1,000 different sensor, actuator and indicator options"]
+			}
+		}
+		A -> I
+		I -> m
+		m -> r
+		r -> n
+		n -> g
+		g -> 6
+		6 -> i
+		i -> w
+		w -> b
+		b -> z
+		z -> k
+		k -> s
+		k -> e
+	}
 
 TODO items
 **********