ESP-IDF
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Outline
#include <stdint.h>
#include <stdlib.h>
#include "esp_attr.h"
#include "sdkconfig.h"
#include "hal/uart_ll.h"
#include "hal/efuse_hal.h"
#include "esp_rom_caps.h"
#include "rom/uart.h"
esp_rom_output_tx_wait_idle(uint8_t)
Files
ESP-IDF
components
app_trace
app_update
bootloader_support
bt
cmock
console
cxx
driver
efuse
esp_adc
esp_app_format
esp_bootloader_format
esp_coex
esp_common
esp_driver_ana_cmpr
esp_driver_cam
esp_driver_dac
esp_driver_gpio
esp_driver_gptimer
esp_driver_i2c
esp_driver_i2s
esp_driver_jpeg
esp_driver_ledc
esp_driver_mcpwm
esp_driver_parlio
esp_driver_pcnt
esp_driver_rmt
esp_driver_sdio
esp_driver_sdm
esp_driver_sdmmc
esp_driver_sdspi
esp_driver_spi
esp_driver_tsens
esp_driver_uart
esp_driver_usb_serial_jtag
esp_eth
esp_event
esp_gdbstub
esp_hid
esp_http_client
esp_http_server
esp_https_ota
esp_https_server
esp_hw_support
esp_lcd
esp_local_ctrl
esp_mm
esp_netif
esp_partition
esp_phy
esp_pm
esp_psram
esp_ringbuf
esp_rom
esp32
include
patches
esp_rom_crc.c
esp_rom_gpio.c
esp_rom_print.c
esp_rom_spiflash.c
esp_rom_sys.c
esp_rom_uart.c
esp_security
esp_system
esp_timer
esp_vfs_console
esp_wifi
esp-tls
espcoredump
hal
heap
http_parser
ieee802154
log
mqtt
newlib
nvs_flash
nvs_sec_provider
openthread
perfmon
protobuf-c
protocomm
pthread
rt
sdmmc
soc
spi_flash
spiffs
tcp_transport
ulp
unity
vfs
wear_levelling
wifi_provisioning
wpa_supplicant
xtensa
examples
lwIP
FreeRTOS
cJSON
mbedTLS
SourceVuESP-IDF Framework and ExamplesESP-IDFcomponents/esp_rom/patches/esp_rom_uart.c
 
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/* * SPDX-FileCopyrightText: 2010-2024 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 *//* ... */ #include <stdint.h> #include <stdlib.h> #include "esp_attr.h" #include "sdkconfig.h" #include "hal/uart_ll.h" #include "hal/efuse_hal.h" #include "esp_rom_caps.h" #include "rom/uart.h"8 includes #if CONFIG_IDF_TARGET_ESP32 /** * The function defined in ROM code has a bug, so we re-implement it here. *//* ... */ IRAM_ATTR void esp_rom_output_tx_wait_idle(uint8_t uart_no) { while (!uart_ll_is_tx_idle(UART_LL_GET_HW(uart_no))) {}; }{ ... } #endif/* ... */ #if CONFIG_IDF_TARGET_ESP32C3 /** * The ESP32-C3 ROM has released three versions, ECO7 (v1.1), ECO3, and * the version before ECO3 (include ECO0 ECO1 ECO2). * These three versions of the ROM code do not list uart_tx_switch wrap * function in the ROM interface, so here use the uart_tx_switch direct * address instead. *//* ... */ IRAM_ATTR void esp_rom_output_set_as_console(uint8_t uart_no) { typedef void (*rom_func_t)(uint8_t); rom_func_t uart_tx_switch = NULL; if (efuse_hal_chip_revision() < 3) { uart_tx_switch = (rom_func_t)0x4004b8ca; }{...} else if (efuse_hal_chip_revision() >= 101) { uart_tx_switch = (rom_func_t)0x40001c44; }{...} else { uart_tx_switch = (rom_func_t)0x4004c166; }{...} uart_tx_switch(uart_no); }{...} /* ... */#endif #if !ESP_ROM_HAS_UART_BUF_SWITCH IRAM_ATTR void esp_rom_output_switch_buffer(uint8_t uart_no) { UartDevice *uart = GetUartDevice(); uart->buff_uart_no = uart_no; }{...} /* ... */#endif // !ESP_ROM_HAS_UART_BUF_SWITCH
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