kopia lustrzana https://github.com/espressif/esp-idf
59 wiersze
1.8 KiB
C
59 wiersze
1.8 KiB
C
// Copyright 2010-2020 Espressif Systems (Shanghai) PTE LTD
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
#include <stdint.h>
|
|
#include <stdlib.h>
|
|
#include "esp_attr.h"
|
|
#include "hal/efuse_hal.h"
|
|
#include "sdkconfig.h"
|
|
#include "hal/uart_ll.h"
|
|
|
|
#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_uart_tx_wait_idle(uint8_t uart_no)
|
|
{
|
|
while (!uart_ll_is_tx_idle(UART_LL_GET_HW(uart_no))) {};
|
|
}
|
|
#endif
|
|
|
|
IRAM_ATTR void esp_rom_uart_set_clock_baudrate(uint8_t uart_no, uint32_t clock_hz, uint32_t baud_rate)
|
|
{
|
|
(void)clock_hz;
|
|
uart_ll_set_baudrate(UART_LL_GET_HW(uart_no), baud_rate);
|
|
}
|
|
|
|
#if CONFIG_IDF_TARGET_ESP32C3
|
|
/**
|
|
* The ESP32-C3 ROM has released two versions, one is the ECO3 version,
|
|
* and the other is the version before ECO3 (include ECO0 ECO1 ECO2).
|
|
* These two 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_uart_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 {
|
|
uart_tx_switch = (rom_func_t)0x4004c166;
|
|
}
|
|
uart_tx_switch(uart_no);
|
|
}
|
|
#endif
|