Problem facing with RSSI value in ESB

RE: Problem facing with RSSI value in ESB

FormerMember — Mon, 21 Nov 2016 13:42:30 GMT

What happens if you choose to only see the hex values in the "display" tab? The various symbols could be the translated value from hex to ascii.

If assuming that the "12"s are some kind of overhead, the RSSI values would be the following: -60, -62, -62, -62, -62, -62, -42, -39, -39, -42, etc

RE: Problem facing with RSSI value in ESB

kvrb — Sat, 19 Nov 2016 06:31:44 GMT

RSSi Output.jpg

I am attaching my Pic which showing 12 as Received data and remaining symbols are RSSI values randomly getting by varying Tx at different positions.

RE: Problem facing with RSSI value in ESB

kvrb — Fri, 18 Nov 2016 12:42:33 GMT

I modified ESB library. I removed all the configuration and I made it like only when Tx is transmitting then Rx is receiving(There is no Buttons, ACK etc).

Moreover, I am getting a different kind of ASCII symbols (I removed Typecasting with char) even though am getting ASCII chars and sometimes numbers that 1, 2 etc.

I have attached my code with above. Please check once.

RE: Problem facing with RSSI value in ESB

FormerMember — Fri, 18 Nov 2016 12:07:39 GMT

When I test the below, reading out the RSSI from the NRF_LOG_DEBUG, the RSSI values seems likely to be correct:

case NRF_ESB_EVENT_RX_RECEIVED:
        NRF_LOG_DEBUG("RX RECEIVED EVENT\r\n");
        if (nrf_esb_read_rx_payload(&rx_payload) == NRF_SUCCESS)
        {
            // Set LEDs identical to the ones on the PTX.
            nrf_gpio_pin_write(LED_1, !(rx_payload.data[1]%8>0 && rx_payload.data[1]%8<=4));
            nrf_gpio_pin_write(LED_2, !(rx_payload.data[1]%8>1 && rx_payload.data[1]%8<=5));
            nrf_gpio_pin_write(LED_3, !(rx_payload.data[1]%8>2 && rx_payload.data[1]%8<=6));
            nrf_gpio_pin_write(LED_4, !(rx_payload.data[1]%8>3));

            NRF_LOG_DEBUG("Receiving packet: %02x\r\n", rx_payload.data[1]);
	        NRF_LOG_DEBUG("RSSI: %02x\r\n",rx_payload.rssi );
        }
        break;

(SDK 12.1.0)

What kind of values do you read from the RSSI measurements? Does the baudrate in your firmware match the baudrate in the terminal?