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SourceVuESP-IDF Framework and ExamplesESP-IDFs_request_mutex

s_request_mutex variable

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Summary

Declaration

from sdmmc_transaction.c:69

static QueueHandle_t s_request_mutex;

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Code

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static QueueHandle_t s_request_mutex;

sdmmc_transaction.c:69

assert(s_request_mutex == NULL);

sdmmc_transaction.c:91

sdmmc_host_transaction_handler_init()

s_request_mutex = xSemaphoreCreateMutex();

sdmmc_transaction.c:92

sdmmc_host_transaction_handler_init()

if (!s_request_mutex) {

sdmmc_transaction.c:93

sdmmc_host_transaction_handler_init()

vSemaphoreDelete(s_request_mutex);

sdmmc_transaction.c:100

sdmmc_host_transaction_handler_init()

s_request_mutex = NULL;

sdmmc_transaction.c:101

sdmmc_host_transaction_handler_init()

assert(s_request_mutex);

sdmmc_transaction.c:110

sdmmc_host_transaction_handler_deinit()

vSemaphoreDelete(s_request_mutex);

sdmmc_transaction.c:115

sdmmc_host_transaction_handler_deinit()

s_request_mutex = NULL;

sdmmc_transaction.c:116

sdmmc_host_transaction_handler_deinit()

xSemaphoreTake(s_request_mutex, portMAX_DELAY);

sdmmc_transaction.c:122

sdmmc_host_do_transaction()

xSemaphoreGive(s_request_mutex);

sdmmc_transaction.c:220

sdmmc_host_do_transaction()

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Data Use

s_request_mutex is written by 2 functions and is read by 3 functions:

sdmmc_host_transaction_handler_init()

sdmmc_host_transaction_handler_deinit()

s_request_mutex

sdmmc_host_transaction_handler_init()

sdmmc_host_transaction_handler_deinit()

sdmmc_host_do_transaction()

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