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boards/22-Aug-2025-

src/22-Aug-2025-

sysbuild/vpr_launcher/22-Aug-2025-

CMakeLists.txt A D22-Aug-2025254 116

Kconfig A D22-Aug-2025572 2218

README.txt A D22-Aug-2025534 108

prj.conf A D22-Aug-2025100 76

testcase.yaml A D22-Aug-20253.8 KiB130115

README.txt

1In this test suite two instances of the SPI peripheral are connected together.
2One SPI instance works as a controller, second one is configured as a peripheral.
3In each test, both instances get identical configuration (CPOL, CPHA, bitrate, etc.).
4
5Four GPIO loopbacks are required (see overlay for nrf54l15dk for reference):
61. spi22-SPIM_SCK connected with spi21-SPIS_SCK,
72. spi22-SPIM_MISO connected with spi21-SPIS_MISO,
83. spi22-SPIM_MOSI connected with spi21-SPIS_MOSI,
94. spi22-cs-gpios connected with spi21-SPIS_CSN.
10