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mirror of https://github.com/esp8266/Arduino.git synced 2025-04-22 21:23:07 +03:00
2015-05-07 19:25:25 +02:00

269 lines
6.2 KiB
C++

/*
Esp.cpp - ESP8266-specific APIs
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 "Arduino.h"
extern "C" {
#include "user_interface.h"
}
//extern "C" void ets_wdt_init(uint32_t val);
extern "C" void ets_wdt_enable(void);
extern "C" void ets_wdt_disable(void);
extern "C" void wdt_feed(void);
/**
* User-defined Literals
* usage:
*
* uint32_t = test = 10_MHz; // --> 10000000
*/
unsigned long long operator"" _kHz(unsigned long long x) {
return x * 1000;
}
unsigned long long operator"" _MHz(unsigned long long x) {
return x * 1000 * 1000;
}
unsigned long long operator"" _GHz(unsigned long long x) {
return x * 1000 * 1000 * 1000;
}
unsigned long long operator"" _kBit(unsigned long long x) {
return x * 1024;
}
unsigned long long operator"" _MBit(unsigned long long x) {
return x * 1024 * 1024;
}
unsigned long long operator"" _GBit(unsigned long long x) {
return x * 1024 * 1024 * 1024;
}
unsigned long long operator"" _kB(unsigned long long x) {
return x * 1024;
}
unsigned long long operator"" _MB(unsigned long long x) {
return x * 1024 * 1024;
}
unsigned long long operator"" _GB(unsigned long long x) {
return x * 1024 * 1024 * 1024;
}
EspClass ESP;
EspClass::EspClass()
{
}
void EspClass::wdtEnable(uint32_t timeout_ms)
{
//todo find doku for ets_wdt_init may set the timeout
ets_wdt_enable();
}
void EspClass::wdtEnable(WDTO_t timeout_ms)
{
wdtEnable((uint32_t) timeout_ms);
}
void EspClass::wdtDisable(void)
{
ets_wdt_disable();
}
void EspClass::wdtFeed(void)
{
wdt_feed();
}
void EspClass::deepSleep(uint32_t time_us, WakeMode mode)
{
system_deep_sleep_set_option(static_cast<int>(mode));
system_deep_sleep(time_us);
}
void EspClass::reset(void)
{
((void (*)(void))0x40000080)();
}
void EspClass::restart(void)
{
system_restart();
}
uint16_t EspClass::getVcc(void)
{
return system_get_vdd33();
}
uint32_t EspClass::getFreeHeap(void)
{
return system_get_free_heap_size();
}
uint32_t EspClass::getChipId(void)
{
return system_get_chip_id();
}
const char * EspClass::getSdkVersion(void)
{
return system_get_sdk_version();
}
uint8_t EspClass::getBootVersion(void)
{
return system_get_boot_version();
}
uint8_t EspClass::getBootMode(void)
{
return system_get_boot_mode();
}
uint8_t EspClass::getCpuFreqMHz(void)
{
return system_get_cpu_freq();
}
uint32_t EspClass::getFlashChipId(void)
{
return spi_flash_get_id();
}
uint32_t EspClass::getFlashChipSize(void)
{
uint32_t data;
uint8_t * bytes = (uint8_t *) &data;
// read first 4 byte (magic byte + flash config)
if(spi_flash_read(0x0000, &data, 4) == SPI_FLASH_RESULT_OK) {
switch((bytes[3] & 0xf0) >> 4) {
case 0x0: // 4 Mbit (512KB)
return (512_kB);
case 0x1: // 2 MBit (256KB)
return (256_kB);
case 0x2: // 8 MBit (1MB)
return (1_MB);
case 0x3: // 16 MBit (2MB)
return (2_MB);
case 0x4: // 32 MBit (4MB)
return (4_MB);
default: // fail?
return 0;
}
}
return 0;
}
uint32_t EspClass::getFlashChipSpeed(void)
{
uint32_t data;
uint8_t * bytes = (uint8_t *) &data;
// read first 4 byte (magic byte + flash config)
if(spi_flash_read(0x0000, &data, 4) == SPI_FLASH_RESULT_OK) {
switch(bytes[3] & 0x0F) {
case 0x0: // 40 MHz
return (40_MHz);
case 0x1: // 26 MHz
return (26_MHz);
case 0x2: // 20 MHz
return (20_MHz);
case 0xf: // 80 MHz
return (80_MHz);
default: // fail?
return 0;
}
}
return 0;
}
FlashMode_t EspClass::getFlashChipMode(void)
{
FlashMode_t mode = FM_UNKNOWN;
uint32_t data;
uint8_t * bytes = (uint8_t *) &data;
// read first 4 byte (magic byte + flash config)
if(spi_flash_read(0x0000, &data, 4) == SPI_FLASH_RESULT_OK) {
mode = (FlashMode_t) bytes[2];
if(mode > FM_DOUT) {
mode = FM_UNKNOWN;
}
}
return mode;
}
/**
* Infos from
* http://www.wlxmall.com/images/stock_item/att/A1010004.pdf
* http://www.gigadevice.com/product-series/5.html?locale=en_US
* http://www.elinux.org/images/f/f5/Winbond-w25q32.pdf
*/
uint32_t EspClass::getFlashChipSizeByChipId(void) {
uint32_t chipId = getFlashChipId();
/**
* Chip ID
* 00 - always 00 (Chip ID use only 3 byte)
* 17 - ? looks like 2^xx is size in Byte ? //todo: find docu to this
* 40 - ? may be Speed ? //todo: find docu to this
* C8 - manufacturer ID
*/
switch(chipId) {
// GigaDevice
case 0x1740C8: // GD25Q64B
return (8_MB);
case 0x1640C8: // GD25Q32B
return (4_MB);
case 0x1540C8: // GD25Q16B
return (2_MB);
case 0x1440C8: // GD25Q80
return (1_MB);
case 0x1340C8: // GD25Q40
return (512_kB);
case 0x1240C8: // GD25Q20
return (256_kB);
case 0x1140C8: // GD25Q10
return (128_kB);
case 0x1040C8: // GD25Q12
return (64_kB);
// Winbond
case 0x1640EF: // W25Q32
return (4_MB);
case 0x1540EF: // W25Q16
return (2_MB);
case 0x1440EF: // W25Q80
return (1_MB);
default:
return 0;
}
}