The Creek: Testing the Bootloader

In the previous posts I described the main application firmware and the bootloader firmware.  In this post I will take you through the process of verifying that it all works.  In order to do this I need to: Test the bootloader (verify that I can bootload) Test the main application firmware (the subject of the […]

The Creek: PSoC 4 Bootloader Schematic + Firmware

A bootloader is a firmware program that can update the application firmware in an embedded system without using a programmer (like the Miniprog-3).  This is a convienient way to fix bugs, release features, etc. without having to be physically at the system.  As a developer you can update your design, then create a “hex” file image, […]

Repair the Elkhorn Creek Water Level Sensor

Summary As many of you have noticed, has been offline for quite a while (actually since December 22,2018).  I know that many of you have really missed knowing how much water is in the creek.  Given that it blew up in December, and I knew that I was going to have to crawl into […]

IoT Mailbox: An Introduction

Summary On the days that my newspaper carrier decides to deliver the newspaper, you can be sure that it won’t be there before 4:00am or after 10:00am.  Why do I still get a newspaper?  Because my wife likes it.  The status of the delivery is a constant source of speculation in the morning.  Have you […]

Lesson 3 – WICED Bluetooth: The Super Mux Tool

Summary You probably noticed and wondered “Why did he use WICED_LED_2 instead of WICED_LED_1”?  The answer to that question is that by default the CYW920719Q40EVB_01 is setup with WICED_LED_2 enabled as a GPIO and WICED_LED_1 used for another purpose.  But to what purpose?  In this lesson we will answer the questions: What are the default […]