Changing on_ble_evt interrupt priority

RE: Changing on_ble_evt interrupt priority

ovrebekk — Wed, 06 Sep 2017 13:12:53 GMT

You don't have to call app_uart_get(..) right away, even if you get the DATA_READY interrupt. You can simply ignore it, and wait for the NUS to finish before reading out the next byte. Assuming you have enough buffer space available to store the incoming data you will not lose any bytes.

Best regards

RE: Changing on_ble_evt interrupt priority

pbn4 — Mon, 04 Sep 2017 13:29:42 GMT

It does not solve my problem anyway, how can I stall UART RX? Let's assume I wait for '\n'. I want to stop receiving (but not start droping data) and wait for on_ble_evt call to resume UART RX. Ideally UART would use flow control to stop the communication with some host and wait for softdevice event to enable it again.

RE: Changing on_ble_evt interrupt priority

ovrebekk — Fri, 01 Sep 2017 14:17:10 GMT

After you have enabled the stack it should be possible to change the priority of the BLE events like this:

NVIC_SetPriority(SD_EVT_IRQn, 7);

Please be aware that you should only use interrupt priorities allocated to the application, and using an interrupt priority higher than the SVC handler doesn't really make sense (since it means you can't call SoftDevice functions inside the event handler), so the only recommended options are 6 and 7.

Best regards
Torbjørn