How do I configure UART? Send data from nRF52832 to QUECTEL module by using "ZEPHYR" SDK?

RE: How do I configure UART? Send data from nRF52832 to QUECTEL module by using "ZEPHYR" SDK?

awneil — Wed, 06 Mar 2019 10:13:43 GMT

Jakub Rzeszutko has already answered above about Zephyr.

See also your other threads on this topic:

https://devzone.nordicsemi.com/f/nordic-q-a/44237/sample-code-for-send-data-with-nrf52832-uart-by-using-zephyr-sdk

https://devzone.nordicsemi.com/f/nordic-q-a/44249/how-to-send-data-from-nrf52832-dk-board-to-sim-module-throught-uart-using-zephyr-sdk

For further details about Zephyr, you need to study the Zephyr documentation ...

EDIT

https://docs.zephyrproject.org/1.13.0/boards/arm/nrf52_pca10040/doc/nrf52_pca10040.html

http://infocenter.nordicsemi.com/pdf/nwp_029.pdf

https://docs.zephyrproject.org/1.13.0/introduction/introducing_zephyr.html

https://docs.zephyrproject.org/1.13.0/getting_started/getting_started.html

https://docs.zephyrproject.org/1.13.0/application/index.html

RE: How do I configure UART? Send data from nRF52832 to QUECTEL module by using "ZEPHYR" SDK?

ram — Wed, 06 Mar 2019 06:59:39 GMT

Is it available code for uart data send receiving code by using zephyr API's?

RE: How do I configure UART? Send data from nRF52832 to QUECTEL module by using "ZEPHYR" SDK?

awneil — Tue, 05 Mar 2019 11:03:04 GMT

You read the Product Specification, which describes the UART and all its registers, and you work from there.

Zephyr is open-source, so you can look at how they do it.

The source code of the Nordic SDK is provided - so, again, you can look at how they do it.

Various 3rd parties have published other code for working with Nordic parts; as well as a standard internet search (eg, google), a search at GitHub is a good way to find source code ...

RE: How do I configure UART? Send data from nRF52832 to QUECTEL module by using "ZEPHYR" SDK?

ram — Tue, 05 Mar 2019 06:54:36 GMT

How do register configure of uart?

RE: How do I configure UART? Send data from nRF52832 to QUECTEL module by using "ZEPHYR" SDK?

Jakub Rzeszutko — Thu, 28 Feb 2019 15:59:01 GMT

github.com/.../nrf52_pca10040.dts

Lines 94, 95.

By default they are set to tx = 6, rx = 8

RE: How do I configure UART? Send data from nRF52832 to QUECTEL module by using "ZEPHYR" SDK?

ram — Thu, 28 Feb 2019 15:39:14 GMT

Hi,

How do i configure the Tx,Rx pins.And how to send the data through these pins?

RE: How do I configure UART? Send data from nRF52832 to QUECTEL module by using "ZEPHYR" SDK?

Jakub Rzeszutko — Thu, 28 Feb 2019 11:27:15 GMT

1. Generate hello world example: zephyr/samples/hello_world

2. edit main.c file. It shall look like that:

/*                                                                                                                      
  * Copyright (c) 2012-2014 Wind River Systems, Inc.                                                                     
  *                                                                                                                      
  * SPDX-License-Identifier: Apache-2.0                                                                                  
  */                                                                                                                     
                                                                                                                         
 #include <zephyr.h>                                                                                                     
 #include <misc/printk.h>                                                                                                
 #include <uart.h>                                                                                                       
                                                                                                                         
 void main(void)                                                                                                         
 {                                                                                                                       
         struct device *dev =                                                                                            
                 device_get_binding(DT_UART_CONSOLE_ON_DEV_NAME);                                                        
         printk("Hello World! %s\n", CONFIG_BOARD);                                                                      
                                                                                                                         
         uart_poll_out(dev, 'A'); // this is how you poll out raw data via uart                                          
                                                                                                                         
 }

RE: How do I configure UART? Send data from nRF52832 to QUECTEL module by using "ZEPHYR" SDK?

awneil — Thu, 28 Feb 2019 10:49:48 GMT

Continued:

https://devzone.nordicsemi.com/f/nordic-q-a/44237/sample-code-for-send-data-with-nrf52832-uart-by-using-zephyr-sdk

RE: How do I configure UART? Send data from nRF52832 to QUECTEL module by using "ZEPHYR" SDK?

ram — Thu, 28 Feb 2019 06:36:10 GMT

Hi Sir,

I am using Nordic DK board.

RE: How do I configure UART? Send data from nRF52832 to QUECTEL module by using "ZEPHYR" SDK?

Jakub Rzeszutko — Wed, 27 Feb 2019 18:08:34 GMT

Hi,

What board do you use? Nordic DK or custom?

UART is configured basing on:

1. board's device tree - this is where you define PINs, baudrate and peripheral (UART/UARTE - using compatible)

2. Kconfig - this is where you select driver (UART or UARTE). You need to ensure that peripheral in DT (device tree) and selected driver are consistent.

3. prj.conf file - this is where you say that your project is willing to use UART feature.

Next when you are in the main function all is ready and initialized. UART API is located in the file:

zephyr\include\uart.h

RE: How do I configure UART? Send data from nRF52832 to QUECTEL module by using "ZEPHYR" SDK?

awneil — Wed, 27 Feb 2019 14:29:59 GMT

Have you looked at the examples in the SDK ?

https://www.nordicsemi.com/DocLib/Content/SDK_Doc/nRF5_SDK/v15-2-0/examples_hw_peripheral_devices

As always, the way to start this kind of project is to get the UART talking to a terminal on a PC

Once you have that working, then - and only then - move on to getting it to work with the Quectel.

Similarly, you should also familiarise yourself with the Quectel by using it with a terminal on a PC