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SourceVuESP-IDF Framework and ExamplesESP-IDFuart_obj_t::tx_mux

uart_obj_t::tx_mux field

UART TX mutex

Syntax

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Summary

Declaration

from uart.c:158

SemaphoreHandle_t tx_mux;

References

Code

Location

Referrer

SemaphoreHandle_t tx_mux; /*!< UART TX mutex*/

res = xSemaphoreTake(p_uart_obj[uart_num]->tx_mux, (TickType_t)ticks_to_wait);

uart_wait_tx_done()

xSemaphoreGive(p_uart_obj[uart_num]->tx_mux);

uart_wait_tx_done()

xSemaphoreGive(p_uart_obj[uart_num]->tx_mux);

uart_wait_tx_done()

xSemaphoreTake(p_uart_obj[uart_num]->tx_mux, (TickType_t)portMAX_DELAY);

uart_tx_chars()

xSemaphoreGive(p_uart_obj[uart_num]->tx_mux);

uart_tx_chars()

xSemaphoreTake(p_uart_obj[uart_num]->tx_mux, (TickType_t)portMAX_DELAY);

xSemaphoreGive(p_uart_obj[uart_num]->tx_mux);

if (uart_obj->tx_mux) {

uart_free_driver_obj()

vSemaphoreDeleteWithCaps(uart_obj->tx_mux);

uart_free_driver_obj()

uart_obj->tx_mux = xSemaphoreCreateMutexWithCaps(UART_MALLOC_CAPS);

uart_alloc_driver_obj()

if (!uart_obj->rx_ring_buf || !uart_obj->rx_mux || !uart_obj->tx_mux || !uart_obj->tx_brk_sem ||

uart_alloc_driver_obj()

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Data Use

uart_obj_t::tx_mux is written by 1 function and is read by 5 functions:

uart_alloc_driver_obj()

uart_obj_t::tx_mux

uart_wait_tx_done()

uart_tx_chars()

uart_free_driver_obj()

uart_alloc_driver_obj()

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