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acme-camera: environmental, solar, software design, boot plan and component slides

40e5716 · Gabriel Morell · 2026-10-13 18:37

3 files +132 -4

Files changed

modified content/presentations/acme-camera.md

+132 −4

@@ -77,11 +77,16 @@ to support Infrared and Visible Spots for lighting areas for improved visibility

77	77
78	78	---
79	79
80		−# Power Subsystem
	80	+# Environmental
	81	+
	82	+- Temperature
	83	+- Luminosity
	84	+
	85	+---
81	86
82		−nPM1300 PMIC
	87	+# Power Subsystem
83	88
84		−- Battery Charge Controller
	89	+- Battery Charge Controller & Guage
85	90
86	91	<iframe src="https://diogramos.neiam.co/embed/oUXMw7KPyT-jBwSnzi-s3QGE?mode=frame"
87	92	width="900" height="500" style="border:0" loading="lazy"

@@ -89,6 +94,13 @@ nPM1300 PMIC

89	94
90	95	--
91	96
	97	+## What about solar?
	98	+
	99	+Let us set an expectation that expect that any input power source provides 5v regulated power,
	100	+solar included <!-- .element: class="fragment" -->
	101	+
	102	+--
	103	+
92	104	## Solar Charge Controller
93	105
94	106	- TI bq25504

@@ -98,8 +110,124 @@ nPM1300 PMIC

98	110	width="900" height="500" style="border:0" loading="lazy"
99	111	></iframe>
100	112
101		−Note: nPM1300 does not provide the MPP support for the solar cells so we need an external IC to properly do it
	113	+Note:
	114	+nPM1300 does not provide the MPP support for the solar cells so we need an external IC to properly do it
102	115
103	116	---
104	117
105	118	# Software Design
	119	+
	120	+<iframe src="https://diogramos.neiam.co/embed/TFsxET9ChIDsRyjTAIE3FDtP?mode=frame"
	121	+ width="900" height="500" style="border:0" loading="lazy"
	122	+ ></iframe>
	123	+
	124	+Note:
	125	+mcuctl sets the motion and light mode on the embedded mcu
	126	+powerctl controls the power domain for the battery charger and reads the fuel guage
	127	+portalctl provides the initial configuration UI and subsequent status web portals
	128	+cameractl reads frames and dispatches them to whatever has been configured
	129	+configctl is the source of truth that gets configuration requests
	130	+
	131	+---
	132	+
	133	+# Boot Plan
	134	+
	135	+<iframe src="https://diogramos.neiam.co/embed/C0ICOZGl94HAS7JuVHy8OjPN?mode=frame"
	136	+ width="900" height="500" style="border:0" loading="lazy"
	137	+ ></iframe>
	138	+
	139	+Note:
	140	+Uses an A+B boot that only changes the boot target once we've booted successfully and connected to the backend
	141	+
	142	+---
	143	+
	144	+# Component : Broker
	145	+
	146	+- MQTT
	147	+
	148	+Note: on unix socket for the ability to have granular security
	149	+
	150	+---
	151	+
	152	+# Component : MCUctl
	153	+
	154	+```rust
	155	+enum MotionDetectionMode {
	156	+ OnlyPIR,
	157	+ PIRWakesRadar,
	158	+ OnlyRadar,
	159	+ Off
	160	+}
	161	+```
	162	+
	163	+```rust
	164	+enum LightControlMode {
	165	+ DuskDawn,
	166	+ Motion{cooldown: u32},
	167	+ Off
	168	+}
	169	+```
	170	+
	171	+Note:
	172	+Talks to MCU and sets/gets the motion detection and light settings
	173	+
	174	+---
	175	+
	176	+# Component: Powerctl
	177	+
	178	+```rust
	179	+enum Power {
	180	+}
	181	+```
	182	+
	183	+Note:
	184	+Collects power usage data, rundown and fuel guage from the PMIC
	185	+
	186	+---
	187	+
	188	+# Component: Portalctl
	189	+
	190	+Note:
	191	+Interactive wireless authentication and cloud configuration
	192	+
	193	+---
	194	+
	195	+# Component: Cameractl
	196	+
	197	+Note:
	198	+Reads frames from the camera and decides to do further processing depending on Config
	199	+
	200	+---
	201	+
	202	+# Component: Configctl
	203	+
	204	+Note:
	205	+Source of truth for various configurations set from the portal
	206	+- Network configuration
	207	+- Display Name
	208	+- Cloud Configuration
	209	+- On-Device Processing Configuration
	210	+
	211	+--
	212	+
	213	+# Component: Infctl
	214	+
	215	+Note:
	216	+This one is -- because it's a bonus one that we may not get into
	217	+Configures on-device inference using NPU hardware available in modern camera SOCs
	218	+
	219	+---
	220	+
	221	+# Metrics
	222	+
	223	+- Performance given envelope configuration
	224	+
	225	+_leading to insights for better_ <!-- .element: class="fragment" -->
	226	+
	227	+- Battery Life across a fleet <!-- .element: class="fragment" -->
	228	+
	229	+---
	230	+
	231	+# Instrumentation
	232	+
	233	+- Collection of combined environmental, fuel guage

Parents: 091184f