ESP-IDF
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Outline
#include "hal/uart_hal.h"
uart_hal_txfifo_rst(uart_hal_context_t *)
uart_hal_rxfifo_rst(uart_hal_context_t *)
uart_hal_tx_break(uart_hal_context_t *, uint32_t)
uart_hal_write_txfifo(uart_hal_context_t *, const uint8_t *, uint32_t, uint32_t *)
uart_hal_read_rxfifo(uart_hal_context_t *, uint8_t *, int *)
Files
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SourceVuESP-IDF Framework and ExamplesESP-IDFcomponents/hal/uart_hal_iram.c
 
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/* * SPDX-FileCopyrightText: 2015-2023 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 *//* ... */ // The HAL layer for UART (IRAM part) #include "hal/uart_hal.h" void uart_hal_txfifo_rst(uart_hal_context_t *hal) { uart_ll_txfifo_rst(hal->dev); }{ ... } void uart_hal_rxfifo_rst(uart_hal_context_t *hal) { uart_ll_rxfifo_rst(hal->dev); }{ ... } void uart_hal_tx_break(uart_hal_context_t *hal, uint32_t break_num) { uart_ll_tx_break(hal->dev, break_num); }{ ... } void uart_hal_write_txfifo(uart_hal_context_t *hal, const uint8_t *buf, uint32_t data_size, uint32_t *write_size) { uint16_t fill_len = uart_ll_get_txfifo_len(hal->dev); if (fill_len > data_size) { fill_len = data_size; }{...} *write_size = fill_len; uart_ll_write_txfifo(hal->dev, buf, fill_len); }{ ... } void uart_hal_read_rxfifo(uart_hal_context_t *hal, uint8_t *buf, int *inout_rd_len) { if (*inout_rd_len <= 0) { *inout_rd_len = uart_ll_get_rxfifo_len(hal->dev); }{...} uart_ll_read_rxfifo(hal->dev, buf, *inout_rd_len); }{ ... }
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