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nrf5340 SPI configuration problem

I am having the same problem as in

Case ID: 244142

devzone.nordicsemi.com/.../nrf52840_dk-spi-configuration

I am using nRF5340.

The problem I'm facing is that when i hook up my logic analyzer it shows no activity except for the SCK/clock line. The clock line starts every time spi_transcieve() is run but the other lines(MISO, MOSI and CS) shows no activity.

Hope to see a working example of SPI on nrf5340 or find the solution of

Case ID: 244142

Parents

0 user107188 over 4 years ago

Dumping debugging information showing the SS_PIN is 255. Something is no right.
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0 user107188 over 4 years ago

Dumping debugging information showing the SS_PIN is 255. Something is no right.
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0 user107188 over 4 years ago in reply to user107188

// CS is pin 14 of GPIO port 1
struct spi_cs_control spi_cs = {
	.gpio_dev = NULL,
	.gpio_pin = 14,
	.gpio_dt_flags = GPIO_ACTIVE_HIGH,
	.delay = 0,
};

// and the spi_cs control is used in the SPI config  .cs = &spi_cs,
static const struct spi_config spi_cfg = {
	.operation = SPI_WORD_SET(8) | SPI_TRANSFER_MSB |
		     SPI_MODE_CPOL | SPI_MODE_CPHA | SPI_OP_MODE_MASTER,
	.frequency = 4000000,
	.slave = 0,
	.cs = &spi_cs,
};


// spi_cs.gpio_dev is initilized in spi_init
static void spi_init(void)
{
    .....
	spi_cs.gpio_dev = device_get_binding("GPIO_1");
	
	.....
	
}



but debugging information shows ss_pin = 255
Something wrong !!!!