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SourceVuESP-IDF Framework and ExamplesESP-IDFuart_obj_t::tx_done_sem

uart_obj_t::tx_done_sem field

UART TX done semaphore

Syntax

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Summary

Declaration

from uart.c:160

SemaphoreHandle_t tx_done_sem;

References

Code

Location

Referrer

SemaphoreHandle_t tx_done_sem; /*!< UART TX done semaphore*/

xSemaphoreGiveFromISR(p_uart_obj[uart_num]->tx_done_sem, &HPTaskAwoken);

uart_rx_intr_handler_default()

xSemaphoreTake(p_uart_obj[uart_num]->tx_done_sem, 0);

uart_wait_tx_done()

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

uart_wait_tx_done()

if (uart_obj->tx_done_sem) {

uart_free_driver_obj()

vSemaphoreDeleteWithCaps(uart_obj->tx_done_sem);

uart_free_driver_obj()

uart_obj->tx_done_sem = xSemaphoreCreateBinaryWithCaps(UART_MALLOC_CAPS);

uart_alloc_driver_obj()

!uart_obj->tx_done_sem || !uart_obj->tx_fifo_sem) {

uart_alloc_driver_obj()

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Data Use

uart_obj_t::tx_done_sem is written by 1 function and is read by 4 functions:

uart_alloc_driver_obj()

uart_obj_t::tx_done_sem

uart_rx_intr_handler_default()

uart_wait_tx_done()

uart_free_driver_obj()

uart_alloc_driver_obj()

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