From 284a60cf65523b3a868a58cf2edc97d190a95608 Mon Sep 17 00:00:00 2001 From: Trygve Laugstøl Date: Fri, 27 Apr 2018 00:39:19 +0200 Subject: wip --- assignments/Makefile | 2 ++ assignments/blink-a-led/blink-a-led.pdf | Bin 722602 -> 722602 bytes assignments/mqtt/mqtt.md | 5 +---- assignments/mqtt/mqtt.pdf | Bin 105234 -> 104784 bytes assignments/mqtt2/mqtt2.md | 10 ++++++++++ assignments/mqtt2/mqtt2.pdf | Bin 0 -> 51245 bytes assignments/mqtt3/mqtt3.md | 12 ++++++++++++ assignments/mqtt3/mqtt3.pdf | Bin 0 -> 53509 bytes assignments/network/network.md | 7 +++++++ assignments/read-temperature/read-temperature.md | 4 ++++ assignments/read-temperature/read-temperature.pdf | Bin 790129 -> 791810 bytes 11 files changed, 36 insertions(+), 4 deletions(-) create mode 100644 assignments/mqtt2/mqtt2.md create mode 100644 assignments/mqtt2/mqtt2.pdf create mode 100644 assignments/mqtt3/mqtt3.md create mode 100644 assignments/mqtt3/mqtt3.pdf create mode 100644 assignments/network/network.md (limited to 'assignments') diff --git a/assignments/Makefile b/assignments/Makefile index 2f97a07..6d31568 100644 --- a/assignments/Makefile +++ b/assignments/Makefile @@ -2,6 +2,8 @@ AS = AS += blink-a-led AS += read-temperature AS += mqtt +AS += mqtt2 +AS += mqtt3 PDFS=$(foreach A,$(AS),$(A)/$(A).pdf) diff --git a/assignments/blink-a-led/blink-a-led.pdf b/assignments/blink-a-led/blink-a-led.pdf index 785547f..7efd91f 100644 Binary files a/assignments/blink-a-led/blink-a-led.pdf and b/assignments/blink-a-led/blink-a-led.pdf differ diff --git a/assignments/mqtt/mqtt.md b/assignments/mqtt/mqtt.md index e89e88c..f52eed3 100644 --- a/assignments/mqtt/mqtt.md +++ b/assignments/mqtt/mqtt.md @@ -11,9 +11,6 @@ Get aquainted with MQTT. 1. Connect to MQTT broker 1. Publish temperature -1. Implement last will to indicate online status -1. Implement subscription to reconfigure device - 1. Change temperature report interval ## Tips @@ -32,7 +29,7 @@ char *cStr = myString.c_str(); ## Bonus -**1:** Print the heap at regular intervals. +**1:** Print the heap free size at regular intervals. **2:** Implement min, max and average temperature over configured interval. diff --git a/assignments/mqtt/mqtt.pdf b/assignments/mqtt/mqtt.pdf index 4c578f9..35ecd0b 100644 Binary files a/assignments/mqtt/mqtt.pdf and b/assignments/mqtt/mqtt.pdf differ diff --git a/assignments/mqtt2/mqtt2.md b/assignments/mqtt2/mqtt2.md new file mode 100644 index 0000000..cfc623a --- /dev/null +++ b/assignments/mqtt2/mqtt2.md @@ -0,0 +1,10 @@ +# Assignment: MQTT + +## Goal + +Get to know will messages and retained messages. + +## Steps + +1. Implement last will to indicate online status +1. Retained message diff --git a/assignments/mqtt2/mqtt2.pdf b/assignments/mqtt2/mqtt2.pdf new file mode 100644 index 0000000..b34898e Binary files /dev/null and b/assignments/mqtt2/mqtt2.pdf differ diff --git a/assignments/mqtt3/mqtt3.md b/assignments/mqtt3/mqtt3.md new file mode 100644 index 0000000..2994e9a --- /dev/null +++ b/assignments/mqtt3/mqtt3.md @@ -0,0 +1,12 @@ +# Assignment: MQTT + +## Goal + +Connect two devices with MQTT + +## Steps + +1. Publish an alert +1. Subscribe to alert topic, blink a led when you get a message +1. Implement subscription to reconfigure device + 1. Change temperature report interval diff --git a/assignments/mqtt3/mqtt3.pdf b/assignments/mqtt3/mqtt3.pdf new file mode 100644 index 0000000..e156bcf Binary files /dev/null and b/assignments/mqtt3/mqtt3.pdf differ diff --git a/assignments/network/network.md b/assignments/network/network.md new file mode 100644 index 0000000..8e49b24 --- /dev/null +++ b/assignments/network/network.md @@ -0,0 +1,7 @@ +## Assignment: Network play time + +* Measure round trip time/latency. Measure UDP, TCP. Measure when the + packet size is greater than the MTU + +* Notice variations in RTT + diff --git a/assignments/read-temperature/read-temperature.md b/assignments/read-temperature/read-temperature.md index 2528b4a..1037ba9 100644 --- a/assignments/read-temperature/read-temperature.md +++ b/assignments/read-temperature/read-temperature.md @@ -6,3 +6,7 @@ Wire up this schematic on the bread board: ![](schematic/read-temperature_schem.pdf) ![](schematic/read-temperature_bb.pdf) + +## Step 2 + +* Change sampling frequency diff --git a/assignments/read-temperature/read-temperature.pdf b/assignments/read-temperature/read-temperature.pdf index 5a13441..d3f21d1 100644 Binary files a/assignments/read-temperature/read-temperature.pdf and b/assignments/read-temperature/read-temperature.pdf differ -- cgit v1.2.3