ARM Embedded Tutorial - FPC and the Raspberry Pi Pico: what changed

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Title: ARM Embedded Tutorial - FPC and the Raspberry Pi Pico

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1	+	The Raspberry Pi Foundation has released the Raspberry Pi Pico, a very cheap Microcontroller board with quite interesting specs.
2	+
3	+	### Introduction
4	+
5	+	[Raspberry Pi Pico Specifications](https://www.raspberrypi.org/products/raspberry-pi-pico/specifications/)
6	+
7	+	To best use this tutorial you will need to buy (at least) two Raspberry Pi Pico, we will use one as a target and the second one as a debug probe. Do yourself a favour, invest \$4 for a second device, being able to debug is worth so much more.
8	+
9	+	As the Pico is brand new and support for the board is a work in progress I'd recommend that you set up a dedicated installation of Lazarus and Free Pascal as you will need to use both trunk version of Lazarus and a specially patched version of FPC that includes the necessary adjustments so that FPC knows about the Pico. Also expect changes as we all learn along the way.
10	+
11	+	### Setup
12	+
13	+	To install the required versions of Lazarus and Free Pascal please see here:
14	+
15	+	[[ARM Embedded Tutorial - Installing Lazarus and Free Pascal]]
16	+
17	+	### PicoProbe
18	+
19	+	To prepare a PicoProbe and to setup Lazarus please follow this guide:
20	+
21	+	[[ARM Embedded Tutorial - Raspberry Pi Pico Setting up for Development]]
22	+
23	+	### The Examples from Github
24	+
25	+	To access the examples together with all needed dependencies clone this repository:
26	+
27	+	<https://github.com/michael-ring/pico-fpcexamples>
28	+
29	+	when you find errors in the code or would like to request another demo please enter an issue on github:
30	+
31	+	<https://github.com/michael-ring/pico-fpcexamples/issues>
32	+
33	+	### Example Programs
34	+
35	+	Now we are ready for our first Program, as practice in the embedded programming world we start with blinking the on-board LED:
36	+
37	+	##### Blinky
38	+
39	+	[[ARM Embedded Tutorial - Raspberry Pi Pico Blinking the onboard LED]] Not suitable for the Raspberry Pi W
40	+
41	+	##### Debugging
42	+
43	+	The next step in this tutorial is to set up Debugging from within Lazarus
44	+
45	+	[[ARM Embedded Tutorial - Raspberry Pi Pico Debugging the onboard LED]]
46	+
47	+	The next peripheral to join the party is the UART:
48	+
49	+	[[ARM Embedded Tutorial - Raspberry Pi Pico saying Hello via UART]]
50	+
51	+	##### ADC
52	+
53	+	Time to go Analog:
54	+
55	+	[[ARM Embedded Tutorial - Raspberry Pi Pico using the ADC]]
56	+
57	+	##### I2C
58	+
59	+	Scanning the I2C Bus for Devices:
60	+
61	+	[[ARM Embedded Tutorial - Raspberry Pi Pico Scanning for I2C Devices]]
62	+
63	+	Talking to a Display via I2C:
64	+
65	+	[[ARM Embedded Tutorial - Raspberry Pi Pico using Displays and I2C]]
66	+
67	+	##### SPI
68	+
69	+	Talking to a Display via SPI:
70	+
71	+	[[ARM Embedded Tutorial - Raspberry Pi Pico using Displays and SPI]]
72	+
73	+	### Building a Pico Compiler
74	+
75	+	As indicated about, the most common way to get a working Pico compiler is to use fpcupdeluxe but you can, of course, build it yourself [[Building a Pico Compiler]].
76	+
77	+	### Finally
78	+
79	+	This page is WIP, I received my Boards on 29.01.2021, upgrading it as I go....
80	+
81	+	---
82	+	From the Free Pascal wiki, page "ARM Embedded Tutorial - FPC and the Raspberry Pi Pico", as it stood on 2024-03-08 after a change by Dbannon, out of the wiki's dump of 2024-05-26. Copyright stays with the author who wrote it, according to the old wiki's [[Licensing]] page. If you have concerns about this material, [message the admin](/wiki-contact).

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