mirror of
https://github.com/esp8266/Arduino.git
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269 lines
6.2 KiB
C++
269 lines
6.2 KiB
C++
/*
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Esp.cpp - ESP8266-specific APIs
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Copyright (c) 2015 Ivan Grokhotkov. All rights reserved.
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This file is part of the esp8266 core for Arduino environment.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "Arduino.h"
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extern "C" {
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#include "user_interface.h"
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}
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//extern "C" void ets_wdt_init(uint32_t val);
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extern "C" void ets_wdt_enable(void);
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extern "C" void ets_wdt_disable(void);
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extern "C" void wdt_feed(void);
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/**
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* User-defined Literals
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* usage:
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*
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* uint32_t = test = 10_MHz; // --> 10000000
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*/
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unsigned long long operator"" _kHz(unsigned long long x) {
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return x * 1000;
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}
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unsigned long long operator"" _MHz(unsigned long long x) {
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return x * 1000 * 1000;
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}
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unsigned long long operator"" _GHz(unsigned long long x) {
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return x * 1000 * 1000 * 1000;
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}
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unsigned long long operator"" _kBit(unsigned long long x) {
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return x * 1024;
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}
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unsigned long long operator"" _MBit(unsigned long long x) {
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return x * 1024 * 1024;
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}
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unsigned long long operator"" _GBit(unsigned long long x) {
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return x * 1024 * 1024 * 1024;
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}
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unsigned long long operator"" _kB(unsigned long long x) {
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return x * 1024;
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}
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unsigned long long operator"" _MB(unsigned long long x) {
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return x * 1024 * 1024;
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}
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unsigned long long operator"" _GB(unsigned long long x) {
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return x * 1024 * 1024 * 1024;
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}
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EspClass ESP;
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EspClass::EspClass()
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{
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}
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void EspClass::wdtEnable(uint32_t timeout_ms)
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{
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//todo find doku for ets_wdt_init may set the timeout
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ets_wdt_enable();
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}
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void EspClass::wdtEnable(WDTO_t timeout_ms)
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{
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wdtEnable((uint32_t) timeout_ms);
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}
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void EspClass::wdtDisable(void)
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{
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ets_wdt_disable();
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}
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void EspClass::wdtFeed(void)
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{
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wdt_feed();
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}
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void EspClass::deepSleep(uint32_t time_us, WakeMode mode)
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{
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system_deep_sleep_set_option(static_cast<int>(mode));
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system_deep_sleep(time_us);
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}
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void EspClass::reset(void)
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{
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((void (*)(void))0x40000080)();
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}
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void EspClass::restart(void)
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{
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system_restart();
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}
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uint16_t EspClass::getVcc(void)
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{
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return system_get_vdd33();
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}
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uint32_t EspClass::getFreeHeap(void)
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{
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return system_get_free_heap_size();
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}
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uint32_t EspClass::getChipId(void)
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{
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return system_get_chip_id();
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}
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const char * EspClass::getSdkVersion(void)
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{
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return system_get_sdk_version();
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}
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uint8_t EspClass::getBootVersion(void)
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{
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return system_get_boot_version();
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}
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uint8_t EspClass::getBootMode(void)
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{
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return system_get_boot_mode();
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}
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uint8_t EspClass::getCpuFreqMHz(void)
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{
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return system_get_cpu_freq();
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}
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uint32_t EspClass::getFlashChipId(void)
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{
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return spi_flash_get_id();
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}
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uint32_t EspClass::getFlashChipSize(void)
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{
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uint32_t data;
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uint8_t * bytes = (uint8_t *) &data;
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// read first 4 byte (magic byte + flash config)
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if(spi_flash_read(0x0000, &data, 4) == SPI_FLASH_RESULT_OK) {
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switch((bytes[3] & 0xf0) >> 4) {
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case 0x0: // 4 Mbit (512KB)
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return (512_kB);
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case 0x1: // 2 MBit (256KB)
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return (256_kB);
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case 0x2: // 8 MBit (1MB)
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return (1_MB);
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case 0x3: // 16 MBit (2MB)
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return (2_MB);
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case 0x4: // 32 MBit (4MB)
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return (4_MB);
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default: // fail?
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return 0;
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}
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}
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return 0;
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}
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uint32_t EspClass::getFlashChipSpeed(void)
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{
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uint32_t data;
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uint8_t * bytes = (uint8_t *) &data;
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// read first 4 byte (magic byte + flash config)
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if(spi_flash_read(0x0000, &data, 4) == SPI_FLASH_RESULT_OK) {
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switch(bytes[3] & 0x0F) {
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case 0x0: // 40 MHz
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return (40_MHz);
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case 0x1: // 26 MHz
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return (26_MHz);
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case 0x2: // 20 MHz
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return (20_MHz);
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case 0xf: // 80 MHz
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return (80_MHz);
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default: // fail?
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return 0;
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}
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}
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return 0;
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}
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FlashMode_t EspClass::getFlashChipMode(void)
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{
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FlashMode_t mode = FM_UNKNOWN;
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uint32_t data;
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uint8_t * bytes = (uint8_t *) &data;
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// read first 4 byte (magic byte + flash config)
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if(spi_flash_read(0x0000, &data, 4) == SPI_FLASH_RESULT_OK) {
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mode = (FlashMode_t) bytes[2];
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if(mode > FM_DOUT) {
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mode = FM_UNKNOWN;
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}
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}
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return mode;
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}
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/**
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* Infos from
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* http://www.wlxmall.com/images/stock_item/att/A1010004.pdf
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* http://www.gigadevice.com/product-series/5.html?locale=en_US
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* http://www.elinux.org/images/f/f5/Winbond-w25q32.pdf
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*/
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uint32_t EspClass::getFlashChipSizeByChipId(void) {
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uint32_t chipId = getFlashChipId();
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/**
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* Chip ID
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* 00 - always 00 (Chip ID use only 3 byte)
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* 17 - ? looks like 2^xx is size in Byte ? //todo: find docu to this
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* 40 - ? may be Speed ? //todo: find docu to this
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* C8 - manufacturer ID
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*/
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switch(chipId) {
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// GigaDevice
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case 0x1740C8: // GD25Q64B
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return (8_MB);
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case 0x1640C8: // GD25Q32B
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return (4_MB);
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case 0x1540C8: // GD25Q16B
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return (2_MB);
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case 0x1440C8: // GD25Q80
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return (1_MB);
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case 0x1340C8: // GD25Q40
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return (512_kB);
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case 0x1240C8: // GD25Q20
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return (256_kB);
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case 0x1140C8: // GD25Q10
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return (128_kB);
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case 0x1040C8: // GD25Q12
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return (64_kB);
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// Winbond
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case 0x1640EF: // W25Q32
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return (4_MB);
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case 0x1540EF: // W25Q16
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return (2_MB);
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case 0x1440EF: // W25Q80
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return (1_MB);
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default:
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return 0;
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}
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}
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