When using the serial_lte_modem application on a custom nrf9160 board I have discovered that I get nothing out of the UART unless I pull VEN low and then release it (reset the chip.)At this point I get "ready" and then can use whichever AT commands to get my desired results without any problem.Why might this reset be required with the serial_lte_modem example but not at_client?For further information I have VDD set to 3.7V and VDD_GPIO set to 3.3V. VDD comes up first and pulls VEN with it through 10K. I have also tried setting VDD and VDD_GPIO both to 3.3V. In this configuration they come up at the same time but I still have to pop a reset before I can begin communicating with the nrf9160 running this application. Also I am using GPIO 1 and 0 for UART2. I have used 1 and 0 for UART0 and configured the application accordingly and had the same results.
I am on the latest NCS 1.3.1
Hi JWizard,I have not been able to reproduce this issue. Could you try out the SLM application that is in NCS v1.3.2 and include the steps to reproduce this issue?Is this only on your custom board or are you seeing this behavior on the nRF91DK?