12 Testing and qualification - AWS IoT ExpressLink
12.1 Test hardware12.2 Test software

12 Testing and qualification

12.1 Test hardware

The ExpressLink testing and qualification process requires a Raspberry Pi 4 single board computer and a hardware harness providing the following connections:

Figure 7 - RaspberryPi 4 I/O connections

Figure 7 - RaspberryPi 4 I/O connections

The ExpressLink candidate will be attached to the GPIO header of the PI using the following pins.

Table 7 - Test I/O pin assignments

ExpressLink function

GPIO Pin Number

Command TX (Transmit from ExpressLink to Host)

GPIO 15

Command RX (Receive from Host to ExpressLink)

GPIO 14

Reset

GPIO 23

Event

GPIO 27

Wake

GPIO 22

12.2 Test software

A test suite is provided by the AWS FreeRTOS service team to perform the ExpressLink Qualification, a program managed by the AWS Partner Network team.