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/* * Copyright (c) 2020 Nordic Semiconductor ASA * * SPDX-License-Identifier: Apache-2.0 */ #include <kernel.h> #define I2C_ENABLED(idx) (IS_ENABLED(CONFIG_I2C) && \ DT_NODE_HAS_STATUS(DT_NODELABEL(i2c##idx), okay)) #define SPI_ENABLED(idx) (IS_ENABLED(CONFIG_SPI) && \ DT_NODE_HAS_STATUS(DT_NODELABEL(spi##idx), okay)) #define UART_ENABLED(idx) (IS_ENABLED(CONFIG_SERIAL) && \ (IS_ENABLED(CONFIG_SOC_SERIES_NRF53X) || \ IS_ENABLED(CONFIG_SOC_SERIES_NRF91X)) && \ DT_NODE_HAS_STATUS(DT_NODELABEL(uart##idx), okay)) /* * In most Nordic SoCs, SPI and TWI peripherals with the same instance number * share certain resources and therefore cannot be used at the same time (in * nRF53 and nRF91 Series this limitation concerns UART peripherals as well). * In nRF52810 though, there are only single instances of these peripherals * and they are arranged in a different way, so this limitation does not apply. * * The build assertions below check if conflicting peripheral instances are not * enabled simultaneously. */ #define CHECK(idx) \ !(I2C_ENABLED(idx) && SPI_ENABLED(idx)) && \ !(I2C_ENABLED(idx) && UART_ENABLED(idx)) && \ !(SPI_ENABLED(idx) && UART_ENABLED(idx)) #define MSG(idx) \ "Only one of the following peripherals can be enabled: " \ "SPI"#idx", SPIM"#idx", SPIS"#idx", TWI"#idx", TWIM"#idx", TWIS"#idx \ IF_ENABLED(CONFIG_SOC_SERIES_NRF53X, (", UARTE"#idx)) \ IF_ENABLED(CONFIG_SOC_SERIES_NRF91X, (", UARTE"#idx)) \ ". Check nodes with status \"okay\" in zephyr.dts." #if !IS_ENABLED(CONFIG_SOC_NRF52810) BUILD_ASSERT(CHECK(0), MSG(0)); #endif BUILD_ASSERT(CHECK(1), MSG(1)); BUILD_ASSERT(CHECK(2), MSG(2)); BUILD_ASSERT(CHECK(3), MSG(3)); |