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Last activity 2017-12-08 11:16:47 +0200 by Sigurd flag of Norway

nRF52840 UART connection

Hi support team,

I'm using Nordic nRF52840 with PCA10056 and SDK 14.1. I have a problem with UART connection. I have a custom board which need to hook up UART connection with Nordic PDK for data or command ... (more)

37
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1
vote
1
answer
Last activity 2017-12-07 13:16:37 +0200 by Martin Børs-Lind flag of Norway

Nrf52840 UART connection problems [closed]

Dear support team, I’m using nrf52840 with PCA10056 and SDK 14.1. I have problems of UART connection.

  1. I do believe that MCU has physical connections to nrf52840 GPIO pins of P0.05, P0.06, P0.07 and P0 ...

(more)

93
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1
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2
answers
Last activity 2017-10-11 14:35:05 +0200 by Martin Børs-Lind flag of Norway

Using S140 with nRF52840, UART example question

Hello, I have a problem.

For example, I am using UART, and I had trouble printing everything when I used "app_uart_put ()" continuously.

My source is simple.

int main (void)
{
   uart_init ();

   ...(syncopation)

   for (cnt = 0 ;; cnt ++)
   {
     app_uart_put ('A');
     app_uart_put (cnt);
     nrf_delay_ms ...
(more)

96
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no
votes
2
answers
Last activity 2017-10-02 20:26:33 +0100 by wael

UART hits communication error [closed]

[nRF52840 + SDK13]

On the hardware that I have, the UART driver is hitting a communication error because the RX line is low. This only happens when the UART lines are disconnected from my computer. When there is a connection, everything ... (more)

238
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2
votes
1
answer
Last activity 2017-09-14 13:29:05 +0200 by Jakub Rzeszutko

NRF52840 UART1 not working in SDK 14

I'm trying to run two UARTs out of my NRF52840. Do you have an example in which both SoftDevice UARTs are used? The Nordic Infocenter SDK 14.0.0 documentation lists one of the advantages of the new serial ... (more)

38
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no
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no
answers
Last activity 2017-08-09 15:04:31 +0100 by Nivetha flag of Netherlands

Receiving battery status notification and output on uart

Hi!

I am sending the battery status every 1sec from nRF52840 peripheral device and receiving it on nRF5240 central device. (verified the battery status working through nRF connect app). However, I would like to receive the notification on the nRF5240 ... (more)

87
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no
votes
1
answer
Last activity 2017-05-20 02:03:44 +0200 by RK flag of Singapore

Is only a single async UART supported on the NrF52 832/840 devices?

Is only a single async UART supported on the NrF52 832/840 devices?

144
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1
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2
answers
Last activity 2017-05-19 14:32:33 +0100 by Roger flag of South Africa

Including "app_uart.h" in main program of 'simple_coap_server' example [closed]

HI All,

I wonder if someone can help me out. I would like to send serial data by modifying the 'simple_coap_server' main program. I added the following header 'app_uart.h' to make use of the functions but when I compile ... (more)

269
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no
votes
1
answer
Last activity 2017-02-22 14:44:40 +0200 by Hung Bui

UART bootloader for nRF52840

Is there a UART bootloader available for nRF52840? Doesn't have to be secure. Already searched in SDK 12.2 and 13 alpha, with no success.

Thanks for your help!

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