AURIX™ino

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What we have up to now...

on May 06, 2021

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Until now we have:

- CPU0 toggle LED1

- CPU1 toggle LED2 in sync with CPU0

- CPU2 send messages via RS232

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Installing AURIX™ Development Studio

It's now time to install the free development environment for AURIX™ : AURIX tools and getting familiar with it: AURIX™ Development Studio Installation and first steps Where at my side, looks like that:

AURIX™ Board (TC275 lite Kit) to Arduino UNO pinout

Board pinout (TC275 lite Kit) With reference to the lite kit manual, I define the following Arduino to AURIX™ pin mapping: Where: //------------------------------------------------------ // Arduino Pins AURIX Arduino Meaning //------------------------------------------------------ // 0 P15.3 Device transmit UART signal-RXD // 1 P15.2 Device received UART signal-TXD // 2 P02.0 External interrupt // 3 P02.1 External interrupt / PWM output // 4 P10.4 GPIO // 5 P02.3 PWM output // 6 ...

AURIX™ Read Port via DAS (JTAG)

Another interesting experiment is to read AURIX™ p orts via the DAS connection, thus making use of the hidden and low-level JTAG connection to TC275x device. In the previous experiment (Write IO via DAS), we did already check that port P0 is set with pull-up at inputs, therefore I would expect that the Button 1 pull against GND; as also stated in the AURIX Lite board user manual: Let's try now to read the Button 1 status (P00.7) To do so, we need just to read the pit 7 of the P00_IN, at address 0x F003A024 (without touching the Button 1): In fact, bit 7 is high, meaning that port P00.7 is high (as expected). Now, I will press the Button 1 and I will trigger the Read via DAS server: where bit 7 is definitely low, in fact: By that, I learnt the basics on boundary scan without the need to have a complex and expensive JTAG Boundary Scan tool for AURIX™. Next time we will do something more advanced via the DAS server...

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AURIX™ is a trademark of Infineon Technologies. Arduino is belonging to Arduino.cc

What we have up to now...

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