how to get data ADXL345 using nRF51822 via arduino IDE and mbed compiler

RE: how to get data ADXL345 using nRF51822 via arduino IDE and mbed compiler

mantap — Sat, 02 Dec 2017 01:11:03 GMT

please check my new question post devzone.nordicsemi.com/.../

RE: how to get data ADXL345 using nRF51822 via arduino IDE and mbed compiler

Sigurd — Mon, 27 Nov 2017 11:51:45 GMT

I would recommend downloading SDK 12.3, and start with the SPI master example. Get the SPI communication working between the ADXL345 and the nRF51, using the drivers I linked to. When you are done with that, start with e.g. the ble_app_uart project example, and then add your SPI code to that example.

RE: how to get data ADXL345 using nRF51822 via arduino IDE and mbed compiler

mantap — Sat, 25 Nov 2017 10:06:17 GMT

well, if using nRF51 SDK, how to use it? I have been study stm32 cubeMX to code HAL_Driver in system workbench (AC6) and keil. So are there any nRF51 same procedure how build firmware easily, same coding how to build program for user which is doesn't have many experience using that Bluetooth Low Energy... Please help me to get how data communicate ADXL345 using SPI or I2C that conncected to nRF51822 module that have ARM cortex M0. we are so hardly developing your product. please make it easier to learn...

RE: how to get data ADXL345 using nRF51822 via arduino IDE and mbed compiler

Sigurd — Sun, 05 Nov 2017 21:27:18 GMT

You can take a look at this driver to find some clues on how to do it:

devzone.nordicsemi.com/.../

The ADXL375 and ADXL345 have about the same register maps.

Are you locked in on mbed/Arduino ? or are you open to use e.g. Segger Embedded Studio and our SDK ?

RE: how to get data ADXL345 using nRF51822 via arduino IDE and mbed compiler

mantap — Sun, 05 Nov 2017 09:05:11 GMT

thanks for answer, but how to read sensor data? especially nrf51822 to adxl345. using i2c or spi.. because I still confuse to implemented that..

RE: how to get data ADXL345 using nRF51822 via arduino IDE and mbed compiler

Sigurd — Mon, 23 Oct 2017 11:18:26 GMT

It should be possible. Maybe this code here can be helpful:

os.mbed.com/.../

RE: how to get data ADXL345 using nRF51822 via arduino IDE and mbed compiler

mantap — Fri, 20 Oct 2017 10:06:47 GMT

I want implement UART over BLE.. but also can check with serial UART cp2102 on pc. this is possible, right?

RE: how to get data ADXL345 using nRF51822 via arduino IDE and mbed compiler

Sigurd — Fri, 20 Oct 2017 08:38:53 GMT

Do you want to use the UART to print messages/log data over terminal on a PC?

Or do you want to implement UART over BLE ?

RE: how to get data ADXL345 using nRF51822 via arduino IDE and mbed compiler

mantap — Thu, 19 Oct 2017 22:59:00 GMT

why this guy can make it happen devzone.nordicsemi.com/.../

RE: how to get data ADXL345 using nRF51822 via arduino IDE and mbed compiler

mantap — Thu, 19 Oct 2017 12:09:08 GMT

but still, it can just advertising without show data accelerometer... still like UART service, just response from TX (mobile phone) to RX(nRF51xx)... needed full code please.. this is my response os.mbed.com/.../cod... please needed revision

RE: how to get data ADXL345 using nRF51822 via arduino IDE and mbed compiler

Sigurd — Wed, 11 Oct 2017 13:46:02 GMT

Hi,

You can't use UART for this. The digital output data from the ADXL345 is formatted as 16-bit twos complement and is accessible through either a SPI (3- or 4-wire) or I2C digital interface.

AnalogDevices have an mbed library for the ADXL362, which have a similar register map as the ADXL345, you can take a look at the library here. You can also take a look at this mbed code here.