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Tasmota/tasmota/support_esp32.ino

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/*
support_esp32.ino - ESP32 specific code for Tasmota
Copyright (C) 2021 Theo Arends / Jörg Schüler-Maroldt
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/*********************************************************************************************\
* ESP8266 Support
\*********************************************************************************************/
#ifdef ESP8266
extern "C" {
extern struct rst_info resetInfo;
}
uint32_t ESP_ResetInfoReason(void) {
return resetInfo.reason;
}
String ESP_getResetReason(void) {
return ESP.getResetReason();
}
uint32_t ESP_getChipId(void) {
return ESP.getChipId();
}
uint32_t ESP_getSketchSize(void) {
return ESP.getSketchSize();
}
uint32_t ESP_getFreeHeap(void) {
return ESP.getFreeHeap();
}
float ESP_getFreeHeap1024(void) {
return ((float)ESP_getFreeHeap()) / 1024;
}
void ESP_Restart(void) {
// ESP.restart(); // This results in exception 3 on restarts on core 2.3.0
ESP.reset();
}
uint32_t FlashWriteStartSector(void) {
return (ESP.getSketchSize() / SPI_FLASH_SEC_SIZE) + 2; // Stay on the safe side
}
uint32_t FlashWriteMaxSector(void) {
return (((uint32_t)&_FS_start - 0x40200000) / SPI_FLASH_SEC_SIZE) - 2;
}
uint8_t* FlashDirectAccess(void) {
return (uint8_t*)(0x40200000 + (FlashWriteStartSector() * SPI_FLASH_SEC_SIZE));
}
void *special_malloc(uint32_t size) {
return malloc(size);
}
#endif
/*********************************************************************************************\
* ESP32 Support
\*********************************************************************************************/
#ifdef ESP32
// Handle 20k of NVM
#include <nvs.h>
// See libraries\ESP32\examples\ResetReason.ino
#if ESP_IDF_VERSION_MAJOR > 3 // IDF 4+
#if CONFIG_IDF_TARGET_ESP32 // ESP32/PICO-D4
#include "esp32/rom/rtc.h"
#elif CONFIG_IDF_TARGET_ESP32S2 // ESP32-S2
#include "esp32s2/rom/rtc.h"
#else
#error Target CONFIG_IDF_TARGET is not supported
#endif
#else // ESP32 Before IDF 4.0
#include "rom/rtc.h"
#endif
#include <esp_phy_init.h>
void NvmLoad(const char *sNvsName, const char *sName, void *pSettings, unsigned nSettingsLen) {
nvs_handle handle;
noInterrupts();
nvs_open(sNvsName, NVS_READONLY, &handle);
size_t size = nSettingsLen;
nvs_get_blob(handle, sName, pSettings, &size);
nvs_close(handle);
interrupts();
}
void NvmSave(const char *sNvsName, const char *sName, const void *pSettings, unsigned nSettingsLen) {
nvs_handle handle;
noInterrupts();
nvs_open(sNvsName, NVS_READWRITE, &handle);
nvs_set_blob(handle, sName, pSettings, nSettingsLen);
nvs_commit(handle);
nvs_close(handle);
interrupts();
}
int32_t NvmErase(const char *sNvsName) {
nvs_handle handle;
noInterrupts();
int32_t result = nvs_open(sNvsName, NVS_READWRITE, &handle);
if (ESP_OK == result) { result = nvs_erase_all(handle); }
if (ESP_OK == result) { result = nvs_commit(handle); }
nvs_close(handle);
interrupts();
return result;
}
void SettingsErase(uint8_t type) {
// SDK and Tasmota data is held in default NVS partition
// Tasmota data is held also in file /.settings on default filesystem
// cal_data - SDK PHY calibration data as documented in esp_phy_init.h
// qpc - Tasmota Quick Power Cycle state
// main - Tasmota Settings data
int32_t r1, r2, r3;
switch (type) {
case 0: // Reset 2 = Erase all flash from program end to end of physical flash
case 2: // Reset 5, 6 = Erase all flash from program end to end of physical flash excluding filesystem
// nvs_flash_erase(); // Erase RTC, PHY, sta.mac, ap.sndchan, ap.mac, Tasmota etc.
r1 = NvmErase("qpc");
r2 = NvmErase("main");
r3 = TfsDeleteFile(TASM_FILE_SETTINGS);
AddLog(LOG_LEVEL_DEBUG, PSTR(D_LOG_APPLICATION D_ERASE " Tasmota data (%d,%d,%d)"), r1, r2, r3);
break;
case 1: // Reset 3 = SDK parameter area
case 4: // WIFI_FORCE_RF_CAL_ERASE = SDK parameter area
r1 = esp_phy_erase_cal_data_in_nvs();
// r1 = NvmErase("cal_data");
AddLog(LOG_LEVEL_DEBUG, PSTR(D_LOG_APPLICATION D_ERASE " PHY data (%d)"), r1);
break;
case 3: // QPC Reached = QPC, Tasmota and SDK parameter area (0x0F3xxx - 0x0FFFFF)
// nvs_flash_erase(); // Erase RTC, PHY, sta.mac, ap.sndchan, ap.mac, Tasmota etc.
r1 = NvmErase("qpc");
r2 = NvmErase("main");
// r3 = esp_phy_erase_cal_data_in_nvs();
// r3 = NvmErase("cal_data");
// AddLog(LOG_LEVEL_DEBUG, PSTR(D_LOG_APPLICATION D_ERASE " Tasmota (%d,%d) and PHY data (%d)"), r1, r2, r3);
r3 = TfsDeleteFile(TASM_FILE_SETTINGS);
AddLog(LOG_LEVEL_DEBUG, PSTR(D_LOG_APPLICATION D_ERASE " Tasmota data (%d,%d,%d)"), r1, r2, r3);
break;
}
}
uint32_t SettingsRead(void *data, size_t size) {
uint32_t source = 1;
if (!TfsLoadFile(TASM_FILE_SETTINGS, (uint8_t*)data, size)) {
source = 0;
NvmLoad("main", "Settings", data, size);
}
return source;
}
void SettingsWrite(const void *pSettings, unsigned nSettingsLen) {
TfsSaveFile(TASM_FILE_SETTINGS, (const uint8_t*)pSettings, nSettingsLen);
NvmSave("main", "Settings", pSettings, nSettingsLen);
}
void QPCRead(void *pSettings, unsigned nSettingsLen) {
NvmLoad("qpc", "pcreg", pSettings, nSettingsLen);
}
void QPCWrite(const void *pSettings, unsigned nSettingsLen) {
NvmSave("qpc", "pcreg", pSettings, nSettingsLen);
}
void NvsInfo(void) {
nvs_stats_t nvs_stats;
nvs_get_stats(NULL, &nvs_stats);
AddLog(LOG_LEVEL_INFO, PSTR("NVS: Used %d/%d entries, NameSpaces %d"),
nvs_stats.used_entries, nvs_stats.total_entries, nvs_stats.namespace_count);
}
//
// Flash memory mapping
//
// See Esp.cpp
#include "Esp.h"
#include "esp_spi_flash.h"
#include <memory>
#include <soc/soc.h>
#include <soc/efuse_reg.h>
#include <esp_partition.h>
extern "C" {
#include "esp_ota_ops.h"
#include "esp_image_format.h"
}
#include "esp_system.h"
#if ESP_IDF_VERSION_MAJOR > 3 // IDF 4+
#if CONFIG_IDF_TARGET_ESP32 // ESP32/PICO-D4
#include "esp32/rom/spi_flash.h"
#elif CONFIG_IDF_TARGET_ESP32S2 // ESP32-S2
#include "esp32s2/rom/spi_flash.h"
#else
#error Target CONFIG_IDF_TARGET is not supported
#endif
#else // ESP32 Before IDF 4.0
#include "rom/spi_flash.h"
#endif
uint32_t EspFlashBaseAddress(void) {
const esp_partition_t* partition = esp_ota_get_next_update_partition(nullptr);
if (!partition) { return 0; }
return partition->address; // For tasmota 0x00010000 or 0x00200000
}
uint32_t EspFlashBaseEndAddress(void) {
const esp_partition_t* partition = esp_ota_get_next_update_partition(nullptr);
if (!partition) { return 0; }
return partition->address + partition->size; // For tasmota 0x00200000 or 0x003F0000
}
uint8_t* EspFlashMmap(uint32_t address) {
static spi_flash_mmap_handle_t handle = 0;
if (handle) {
spi_flash_munmap(handle);
handle = 0;
}
const uint8_t* data;
int32_t err = spi_flash_mmap(address, 5 * SPI_FLASH_MMU_PAGE_SIZE, SPI_FLASH_MMAP_DATA, (const void **)&data, &handle);
/*
AddLog(LOG_LEVEL_DEBUG, PSTR("DBG: Spi_flash_map %d"), err);
spi_flash_mmap_dump();
*/
return (uint8_t*)data;
}
/*
int32_t EspPartitionMmap(uint32_t action) {
static spi_flash_mmap_handle_t handle;
int32_t err = 0;
if (1 == action) {
const esp_partition_t *partition = esp_ota_get_running_partition();
// const esp_partition_t* partition = esp_ota_get_next_update_partition(nullptr);
if (!partition) { return 0; }
err = esp_partition_mmap(partition, 0, 4 * SPI_FLASH_MMU_PAGE_SIZE, SPI_FLASH_MMAP_DATA, (const void **)&TasmotaGlobal_mmap_data, &handle);
AddLog(LOG_LEVEL_DEBUG, PSTR("DBG: Partition start 0x%08X, Partition end 0x%08X, Mmap data 0x%08X"), partition->address, partition->size, TasmotaGlobal_mmap_data);
} else {
spi_flash_munmap(handle);
handle = 0;
}
return err;
}
*/
//
// Crash stuff
//
void CrashDump(void) {
}
bool CrashFlag(void) {
return false;
}
void CrashDumpClear(void) {
}
void CmndCrash(void) {
/*
volatile uint32_t dummy;
dummy = *((uint32_t*) 0x00000000);
*/
}
// Do an infinite loop to trigger WDT watchdog
void CmndWDT(void) {
/*
volatile uint32_t dummy = 0;
while (1) {
dummy++;
}
*/
}
// This will trigger the os watch after OSWATCH_RESET_TIME (=120) seconds
void CmndBlockedLoop(void) {
/*
while (1) {
delay(1000);
}
*/
}
//
// ESP32 specific
//
#include "soc/soc.h"
#include "soc/rtc_cntl_reg.h"
void DisableBrownout(void) {
// https://github.com/espressif/arduino-esp32/issues/863#issuecomment-347179737
WRITE_PERI_REG(RTC_CNTL_BROWN_OUT_REG, 0); // Disable brownout detector
}
//
// ESP32 Alternatives
//
String ESP32GetResetReason(uint32_t cpu_no) {
#if CONFIG_IDF_TARGET_ESP32
// tools\sdk\include\esp32\rom\rtc.h
switch (rtc_get_reset_reason(cpu_no)) {
case POWERON_RESET : return F("Vbat power on reset"); // 1
case SW_RESET : return F("Software reset digital core"); // 3
case OWDT_RESET : return F("Legacy watch dog reset digital core"); // 4
case DEEPSLEEP_RESET : return F("Deep Sleep reset digital core"); // 5
case SDIO_RESET : return F("Reset by SLC module, reset digital core"); // 6
case TG0WDT_SYS_RESET : return F("Timer Group0 Watch dog reset digital core"); // 7
case TG1WDT_SYS_RESET : return F("Timer Group1 Watch dog reset digital core"); // 8
case RTCWDT_SYS_RESET : return F("RTC Watch dog Reset digital core"); // 9
case INTRUSION_RESET : return F("Instrusion tested to reset CPU"); // 10
case TGWDT_CPU_RESET : return F("Time Group reset CPU"); // 11
case SW_CPU_RESET : return F("Software reset CPU"); // 12
case RTCWDT_CPU_RESET : return F("RTC Watch dog Reset CPU"); // 13
case EXT_CPU_RESET : return F("or APP CPU, reseted by PRO CPU"); // 14
case RTCWDT_BROWN_OUT_RESET : return F("Reset when the vdd voltage is not stable"); // 15
case RTCWDT_RTC_RESET : return F("RTC Watch dog reset digital core and rtc module"); // 16
}
#elif CONFIG_IDF_TARGET_ESP32S2
// tools\sdk\esp32\include\esp_rom\include\esp32s2\rom\rtc.h
switch (rtc_get_reset_reason(cpu_no)) {
case POWERON_RESET : return F("Vbat power on reset"); // 1
case RTC_SW_SYS_RESET : return F("Software reset digital core"); // 3
case DEEPSLEEP_RESET : return F("Deep Sleep reset digital core"); // 5
case TG0WDT_SYS_RESET : return F("Timer Group0 Watch dog reset digital core"); // 7
case TG1WDT_SYS_RESET : return F("Timer Group1 Watch dog reset digital core"); // 8
case RTCWDT_SYS_RESET : return F("RTC Watch dog Reset digital core"); // 9
case INTRUSION_RESET : return F("Instrusion tested to reset CPU"); // 10
case TG0WDT_CPU_RESET : return F("Time Group0 reset CPU"); // 11
case RTC_SW_CPU_RESET : return F("Software reset CPU"); // 12
case RTCWDT_CPU_RESET : return F("RTC Watch dog Reset CPU"); // 13
case RTCWDT_BROWN_OUT_RESET : return F("Reset when the vdd voltage is not stable"); // 15
case RTCWDT_RTC_RESET : return F("RTC Watch dog reset digital core and rtc module"); // 16
case TG1WDT_CPU_RESET : return F("Time Group1 reset CPU"); // 17
case SUPER_WDT_RESET : return F("Super watchdog reset digital core and rtc module"); // 18
case GLITCH_RTC_RESET : return F("Glitch reset digital core and rtc module"); // 19
}
#endif
return F("No meaning"); // 0 and undefined
}
String ESP_getResetReason(void) {
return ESP32GetResetReason(0); // CPU 0
}
uint32_t ESP_ResetInfoReason(void) {
RESET_REASON reason = rtc_get_reset_reason(0);
#if CONFIG_IDF_TARGET_ESP32
if (POWERON_RESET == reason) { return REASON_DEFAULT_RST; }
if (SW_CPU_RESET == reason) { return REASON_SOFT_RESTART; }
if (DEEPSLEEP_RESET == reason) { return REASON_DEEP_SLEEP_AWAKE; }
if (SW_RESET == reason) { return REASON_EXT_SYS_RST; }
#elif CONFIG_IDF_TARGET_ESP32S2
if (POWERON_RESET == reason) { return REASON_DEFAULT_RST; }
if (RTC_SW_CPU_RESET == reason) { return REASON_SOFT_RESTART; }
if (DEEPSLEEP_RESET == reason) { return REASON_DEEP_SLEEP_AWAKE; }
if (RTC_SW_SYS_RESET == reason) { return REASON_EXT_SYS_RST; }
#endif
return -1; //no "official error code", but should work with the current code base
}
uint32_t ESP_getChipId(void) {
uint32_t id = 0;
for (uint32_t i = 0; i < 17; i = i +8) {
id |= ((ESP.getEfuseMac() >> (40 - i)) & 0xff) << i;
}
return id;
}
uint32_t ESP_getSketchSize(void) {
static uint32_t sketchsize = 0;
if (!sketchsize) {
sketchsize = ESP.getSketchSize(); // This takes almost 2 seconds on an ESP32
}
return sketchsize;
}
uint32_t ESP_getFreeHeap(void) {
return ESP.getFreeHeap();
}
float ESP_getFreeHeap1024(void) {
return ((float)ESP_getFreeHeap()) / 1024;
}
uint32_t ESP_getMaxAllocHeap(void) {
// largest block of heap that can be allocated at once
uint32_t free_block_size = ESP.getMaxAllocHeap();
if (free_block_size > 100) { free_block_size -= 100; }
return free_block_size;
}
void ESP_Restart(void) {
ESP.restart();
}
uint32_t FlashWriteStartSector(void) {
// Needs to be on SPI_FLASH_MMU_PAGE_SIZE (= 0x10000) alignment for mmap usage
uint32_t aligned_address = ((EspFlashBaseAddress() + (2 * SPI_FLASH_MMU_PAGE_SIZE)) / SPI_FLASH_MMU_PAGE_SIZE) * SPI_FLASH_MMU_PAGE_SIZE;
return aligned_address / SPI_FLASH_SEC_SIZE;
}
uint32_t FlashWriteMaxSector(void) {
// Needs to be on SPI_FLASH_MMU_PAGE_SIZE (= 0x10000) alignment for mmap usage
uint32_t aligned_end_address = (EspFlashBaseEndAddress() / SPI_FLASH_MMU_PAGE_SIZE) * SPI_FLASH_MMU_PAGE_SIZE;
return aligned_end_address / SPI_FLASH_SEC_SIZE;
}
uint8_t* FlashDirectAccess(void) {
uint32_t address = FlashWriteStartSector() * SPI_FLASH_SEC_SIZE;
uint8_t* data = EspFlashMmap(address);
/*
AddLog(LOG_LEVEL_DEBUG, PSTR("DBG: Flash start address 0x%08X, Mmap address 0x%08X"), address, data);
uint8_t buf[32];
memcpy(buf, data, sizeof(buf));
AddLogBuffer(LOG_LEVEL_DEBUG, (uint8_t*)&buf, 32);
*/
return data;
}
void *special_malloc(uint32_t size) {
if (psramFound()) {
return heap_caps_malloc(size, MALLOC_CAP_SPIRAM | MALLOC_CAP_8BIT);
} else {
return malloc(size);
}
}
#endif // ESP32
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