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tests: drivers: spi: loopback: Configurable large buffer 

In order to allow fiting test in targets with smaller memory make
large buffer configurable through Kconfig.

Signed-off-by: Krzysztof Chruściński <krzysztof.chruscinski@nordicsemi.no>
This commit is contained in:
Krzysztof Chruściński 2024-06-22 16:19:42 +02:00 committed by Henrik Brix Andersen
parent 28ec98a54a
commit 614e7d5399
3 changed files with 6 additions and 7 deletions
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4
tests/drivers/spi/spi_loopback/Kconfig
View File

@ -7,6 +7,10 @@ source "Kconfig.zephyr"
config SPI_LOOPBACK_MODE_LOOP
bool "Configure the SPI in LOOP mode, so that no extra wiring is needed"
config SPI_LARGE_BUFFER_SIZE
int "Large buffer size"
default 8192
if SOC_SERIES_STM32H7X
config SPI_LOOPBACK_16BITS_FRAMES

1
tests/drivers/spi/spi_loopback/overlay-mcux-dspi-dma.conf
View File

@ -2,3 +2,4 @@
CONFIG_DMA=y
CONFIG_DSPI_MCUX_EDMA=y
CONFIG_MCUX_DSPI_BUFFER_SIZE=5760
CONFIG_SPI_LARGE_BUFFER_SIZE=1440

8
tests/drivers/spi/spi_loopback/src/spi.c
View File

@ -58,13 +58,7 @@ static struct spi_dt_spec spi_slow = SPI_DT_SPEC_GET(SPI_SLOW_DEV, SPI_OP(FRAME_
#define STACK_SIZE (512 + CONFIG_TEST_EXTRA_STACK_SIZE)
#define BUF_SIZE 18
#define BUF2_SIZE 36
#ifdef CONFIG_DSPI_MCUX_EDMA
/*DSPI DMA need aligned buffer for internal*/
#define BUF3_SIZE 1440
#else
#define BUF3_SIZE 8192
#endif
#define BUF3_SIZE CONFIG_SPI_LARGE_BUFFER_SIZE
#if CONFIG_NOCACHE_MEMORY