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Diffstat (limited to 'slides/what-is-iot.md')
| -rw-r--r-- | slides/what-is-iot.md | 78 |
1 files changed, 73 insertions, 5 deletions
diff --git a/slides/what-is-iot.md b/slides/what-is-iot.md index edc3940..ef11ca3 100644 --- a/slides/what-is-iot.md +++ b/slides/what-is-iot.md @@ -63,6 +63,12 @@ What differentiates a computer from an IoT device? ::: notes +Might not have: + +* RTC + +Extra features: + * IR * UART * CAN @@ -169,10 +175,6 @@ Datasheet page 18 ::: -## ESP8266 details - Arduino - -https://github.com/esp8266/Arduino - # Going back to basics ## What is the internet again? @@ -318,6 +320,73 @@ Note that the "total length" field is 16 bits, 2 bytes, it's maximum value is 64 \end{center} ) +## ESP8266 + Arduino + +* Standard Arduino IDE +* ESP8266 Arduino core + * https://github.com/esp8266/Arduino + +## Arduino IDE + +!ifndef(QUICK)( + +) + +## Arduino code structure + +~~~ .c++ +void setup() { + // Called once +} + +void loop() { + // Called repeatedly +} +~~~ + +::: notes + +MCU programming is often structured into: + +* Configure + * CPU + * GPIO ports + * MCU's peripherals + * The rest of the board + * Configure application and callbacks. +* Sleep + +Arduino chooses to run the cpu at 100% instead of the sleep step.. + +::: + +## Arduino file structure + + foo/ + foo.ino + config.h + +::: notes + +`foo.ino` must always be in a `foo` directory. + +config.h is created by "new tab". + +::: + +## Generic Arduino APIs + +// Pin: D0, D1, etc. +// Mode: OUTPUT, INPUT, INPUT_PULLUP + +~~~c++ +pinMode(pin, mode); + +digitalWrite(pin, state); + +state = digitalRead(pin); +~~~ + # Lecture: MQTT ## MQTT @@ -535,7 +604,6 @@ In between are: ## Assignment 1: Blink a led - ## Assignment 2: Connect to Wi-Fi ## Assignment 3: Connect to MQTT broker |