nrf to slave/ master device

[Sadasivam]

Hi Sir,

I want to run the spi master example code with my nrf52832 board. In sdk11.0, have mentioned for pca 10036, the CS pin should be 29. If that was the condition, then what will be the other 3 pins to communicate in spi. In pca10036 header file, have mentioned some other pins. What are the pins could use in instance 0, to get the output.

[Sigurd]

Hi,

In SDK 11 you can find the default pins in nrf_drv_config.h. For PCA10036 this file is located in the folder: SDK_11_folder\examples\peripheral\spi\config\spi_pca10036

For SPI instance 0, the default pins are:

#define SPI0_CONFIG_SCK_PIN 3
#define SPI0_CONFIG_MOSI_PIN 4
#define SPI0_CONFIG_MISO_PIN 28

[Sadasivam]

Thank you sir for your guidance. It was working with those pins you have updated. We will get in touch with you for further doubts. Shall we.

[Sigurd]

Yes, feel free to ask new questions if you need more guidance.

[Sadasivam]

yeah sure.

[Sadasivam]

Sir, I have interfaced nrf52832 with msp430 chip. When i am debugging, the tx_buf value(0x4E) is left shifted and stored in msp_rx_buf as 0x9C. And after transmitting 0x9C from msp_tx_buf, in nrf it received as 0x4E and 0x4E. The data is double buffered. Is this workflow correct sir.