spi_periph_claimed variable

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Summary

Declaration

static atomic_bool spi_periph_claimed[SOC_SPI_PERIPH_NUM] = { ATOMIC_VAR_INIT(true), ATOMIC_VAR_INIT(false), #if (SOC_SPI_PERIPH_NUM >= 3) ATOMIC_VAR_INIT(false), #endif #if (SOC_SPI_PERIPH_NUM >= 4) ATOMIC_VAR_INIT(false), #endif };

Code

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Referrer

static atomic_bool spi_periph_claimed[SOC_SPI_PERIPH_NUM] = { ATOMIC_VAR_INIT(true), ATOMIC_VAR_INIT(false),

bool ret = atomic_compare_exchange_strong(&spi_periph_claimed[host], &false_var, true);

return atomic_load(&spi_periph_claimed[host]);

bool ret = atomic_compare_exchange_strong(&spi_periph_claimed[host], &true_var, false);

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spi_periph_claimed is read by 3 functions:

spi_periph_claimed

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