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https://github.com/espressif/esp-idf.git
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b57aecdfe9
- ROM function uart_tx_wait_idle may have a bug which causes the function to return before the final character is fully transmitted. This replaces uart_tx_wait_idle declaration with a static inline definition which fixes the issue. - Also replaces the use of uart_tx_flush with uart_tx_wait_idle in esp_restart, to remove garbage in console output on restart. - rtc_printf is temporary replaced with a no-op, pending a new release of librtc.a. Current release assumes that UART0 is used for output, and switches UART0 baud rate while doing frequency changes and printing some log output. This doesn’t work if a different UART is used for output.
131 lines
3.0 KiB
C
131 lines
3.0 KiB
C
// Copyright 2016 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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/**
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* @file lib_printf.c
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*
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* This file contains library-specific printf functions
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* used by WiFi libraries in the `lib` directory.
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* These function are used to catch any output which gets printed
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* by libraries, and redirect it to ESP_LOG macros.
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*
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* Eventually WiFi libraries will use ESP_LOG functions internally
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* and these definitions will be removed.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "esp_log.h"
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#include "esp_attr.h"
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#define VPRINTF_STACK_BUFFER_SIZE 80
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static int lib_printf(const char* tag, const char* format, va_list arg)
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{
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char temp[VPRINTF_STACK_BUFFER_SIZE];
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int len = vsnprintf(temp, sizeof(temp) - 1, format, arg);
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temp[sizeof(temp) - 1] = 0;
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int i;
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for (i = len - 1; i >= 0; --i) {
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if (temp[i] != '\n' && temp[i] != '\r' && temp[i] != ' ') {
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break;
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}
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temp[i] = 0;
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}
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if (i > 0) {
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ESP_EARLY_LOGI(tag, "%s", temp);
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}
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va_end(arg);
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return len;
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}
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int phy_printf(const char* format, ...)
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{
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va_list arg;
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va_start(arg, format);
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int res = lib_printf("phy", format, arg);
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va_end(arg);
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return res;
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}
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int rtc_printf(const char* format, ...)
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{
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// librtc.a printf temporary disabled due to UART baud rate switching bug.
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return 0;
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}
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int wpa_printf(const char* format, ...)
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{
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va_list arg;
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va_start(arg, format);
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int res = lib_printf("wpa", format, arg);
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va_end(arg);
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return res;
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}
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int wpa2_printf(const char* format, ...)
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{
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va_list arg;
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va_start(arg, format);
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int res = lib_printf("wpa2", format, arg);
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va_end(arg);
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return res;
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}
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int wps_printf(const char* format, ...)
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{
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va_list arg;
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va_start(arg, format);
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int res = lib_printf("wps", format, arg);
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va_end(arg);
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return res;
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}
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int pp_printf(const char* format, ...)
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{
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va_list arg;
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va_start(arg, format);
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int res = lib_printf("pp", format, arg);
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va_end(arg);
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return res;
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}
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int sc_printf(const char* format, ...)
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{
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va_list arg;
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va_start(arg, format);
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int res = lib_printf("smartconfig", format, arg);
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va_end(arg);
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return res;
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}
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int core_printf(const char* format, ...)
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{
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va_list arg;
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va_start(arg, format);
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int res = lib_printf("core", format, arg);
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va_end(arg);
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return res;
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}
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int net80211_printf(const char* format, ...)
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{
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va_list arg;
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va_start(arg, format);
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int res = lib_printf("net80211", format, arg);
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va_end(arg);
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return res;
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}
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