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SourceVuESP-IDF Framework and ExamplesESP-IDFuart_obj_t::tx_ring_buf

uart_obj_t::tx_ring_buf field

TX ring buffer handler

Syntax

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Summary

Declaration

from uart.c:156

RingbufHandle_t tx_ring_buf;

References

Code

Location

Referrer

RingbufHandle_t tx_ring_buf; /*!< TX ring buffer handler*/

p_uart->tx_head = (uart_tx_data_t *) xRingbufferReceiveFromISR(p_uart->tx_ring_buf, &size);

uart_rx_intr_handler_default()

vRingbufferReturnItemFromISR(p_uart->tx_ring_buf, p_uart->tx_head, &HPTaskAwoken);

uart_rx_intr_handler_default()

vRingbufferReturnItemFromISR(p_uart->tx_ring_buf, p_uart->tx_head, &HPTaskAwoken);

uart_rx_intr_handler_default()

size_t max_size = xRingbufferGetMaxItemSize(p_uart_obj[uart_num]->tx_ring_buf);

xRingbufferSend(p_uart_obj[uart_num]->tx_ring_buf, (void *) &evt, sizeof(uart_tx_data_t), portMAX_DELAY);

xRingbufferSend(p_uart_obj[uart_num]->tx_ring_buf, (void *)(src + offset), send_size, portMAX_DELAY);

if (uart_obj->tx_ring_buf) {

uart_free_driver_obj()

vRingbufferDeleteWithCaps(uart_obj->tx_ring_buf);

uart_free_driver_obj()

uart_obj->tx_ring_buf = xRingbufferCreateWithCaps(tx_buffer_size, RINGBUF_TYPE_NOSPLIT, UART_MALLOC_CAPS);

uart_alloc_driver_obj()

if (!uart_obj->tx_ring_buf) {

uart_alloc_driver_obj()

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Data Use

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

uart_alloc_driver_obj()

uart_obj_t::tx_ring_buf

uart_rx_intr_handler_default()

uart_free_driver_obj()

uart_alloc_driver_obj()

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