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Experimental: add new WiFi (pseudo) modes: WIFI_SHUTDOWN & WIFI_RESUME (#6356)

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* add new WiFimodes: WIFI_SHUTDOWN & WIFI_RESUME with example
* restore WiFi.onWiFiModeChange()
This commit is contained in:
david gauchard
2019-09-05 03:01:01 +02:00
committed by GitHub
parent db460388cd
commit 273f4000f0
12 changed files with 568 additions and 63 deletions
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27
cores/esp8266/core_esp8266_eboot_command.cpp
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@ -21,36 +21,15 @@
#include <stddef.h>
#include <stdbool.h>
#include "coredecls.h"
#include "eboot_command.h"
extern "C" {
static uint32_t crc_update(uint32_t crc, const uint8_t *data, size_t length)
{
uint32_t i;
bool bit;
uint8_t c;
while (length--) {
c = *data++;
for (i = 0x80; i > 0; i >>= 1) {
bit = crc & 0x80000000;
if (c & i) {
bit = !bit;
}
crc <<= 1;
if (bit) {
crc ^= 0x04c11db7;
}
}
}
return crc;
}
static uint32_t eboot_command_calculate_crc32(const struct eboot_command* cmd)
{
return crc_update(0xffffffff, (const uint8_t*) cmd,
offsetof(struct eboot_command, crc32));
return crc32((const uint8_t*) cmd, offsetof(struct eboot_command, crc32));
}
int eboot_command_read(struct eboot_command* cmd)

2
cores/esp8266/coredecls.h
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@ -8,6 +8,7 @@ extern "C" {
// TODO: put declarations here, get rid of -Wno-implicit-function-declaration
#include <stddef.h>
#include <stdint.h>
#include <cont.h> // g_pcont declaration
@ -20,6 +21,7 @@ void settimeofday_cb (void (*cb)(void));
void disable_extra4k_at_link_time (void) __attribute__((noinline));
uint32_t sqrt32 (uint32_t n);
uint32_t crc32 (const void* data, size_t length, uint32_t crc = 0xffffffff);
#ifdef __cplusplus
}

42
cores/esp8266/crc32.cpp Normal file
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@ -0,0 +1,42 @@
/*
crc32.cpp
Copyright (c) 2015 Ivan Grokhotkov. All rights reserved.
This file is part of the esp8266 core for Arduino environment.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "coredecls.h"
// moved from core_esp8266_eboot_command.cpp
uint32_t crc32 (const void* data, size_t length, uint32_t crc /*= 0xffffffff*/)
{
const uint8_t* ldata = (const uint8_t*)data;
while (length--)
{
uint8_t c = *ldata++;
for (uint32_t i = 0x80; i > 0; i >>= 1)
{
bool bit = crc & 0x80000000;
if (c & i)
bit = !bit;
crc <<= 1;
if (bit)
crc ^= 0x04c11db7;
}
}
return crc;
}