v3.0.0-rc.1 (Photon/P1/Electron/Argon/Boron/B SoM/B5 SoM/Tracker)

Device OS 3.0.0-rc.1 Release Candidate is available in the Web IDE, Particle CLI and Workbench for (Photon/P1/Electron/Argon/Boron/B SoM/B5 SoM/Tracker).

Released on January 22nd, 2021

See documentation about Device OS versions, their current state, upgrades and downgrades here.

---

3.0.0-rc.1

FEATURES

• [Cellular] Send modem firmware version to the cloud as part of the system describe message #2265

ENHANCEMENTS

• [Gen 3] Custom logging categories for AT parser and GSM 07.10 multiplexer to differentiate between cellular modem and ESP32 on Tracker platforms #2267
• [Tracker] Reduce code size of GSM 07.10 multiplexer implementation making sure that ESP32 and cellular NCP client use the same template variant of it #2267
• [Electron] Speed up modem power-on #2268
• [Tracker] Cache ESP32 NCP firmware version in non-volatile memory #2269

BUGFIXES

• [Boron / B SoM] Fix external SIM getting stuck in initialization #2263
• [BLE] Return false in BlePeerDevice::getCharacteristicByDescription() if expected characteristic was not found #2266
• [Gen 3] Fix UART DMA RX transfer size issues causing DMA writes outside of the RX buffer #2264
• [Gen 3] Fix ChannelStream::waitEvent() timeout calculation #2267
• [Gen 3] Fix warm boot feature regression introduced in 3.0.0-beta.1 #2269
• [Gen 3] Disconnect from the server on OTAv3 update errors #2270

System Binaries (all devices)

https://github.com/particle-iot/device-os/releases/download/v3.0.0-rc.1/[email protected]

---

Programming and Debugging

You can view specific programming and debugging notes for this version of firmware here.

v3.0.0-beta.1 (Photon/P1/Electron/Argon/Boron/B SoM/B5 SoM/Tracker)

Device OS 3.0.0-beta.1 Beta Release is available in the Web IDE and Particle CLI for (Photon/P1/Electron/Argon/Boron/B SoM/B5 SoM/Tracker).

Released on December 24th, 2020

See documentation about Device OS versions, their current state, upgrades and downgrades here.

---

3.0.0-beta.1

BREAKING CHANGES

• [Cellular] Remove rssi and qual from Cellular.RSSI() #2212

FEATURES

• [Gen 3] OTAv3 protocol #2199
• [Tracker] ESP32 WiFi scanning support #2250
• [Cellular] SystemPowerFeature::DISABLE_CHARGING configuration option to enable or disable charging #2257
• Network.isOn() and Network.isOff() APIs to query the network interface power state #2205
• [Gen 3] BLE legacy pairing #2237
• [Cellular] Query cellular signal while trying to register on a network #2232
• [Tracker] WiFi/GNSS/FuelGauge sleep wake-up sources #2200
• Configure multiple pins as wakeup source at a time #2228 #2231

ENHANCEMENTS

• [Gen 3] Network interface management improvements #2217
• [Gen 3] SPI.transfer() support for constant buffers residing in flash #2196
• [Gen 3] Add characteristic discovery to BleService #2203
• [Gen 3] BLE Scanned/Connected/Disconnected/Data Received callbacks in C++ style #2224
• [Gen 3] BLE scanning filter #2223
• [Gen 3] BLE API consistency enhancements #2222
• [Electron] Build system parts with LTO enabled #2235
• Add more operators for BleAddress, BleUuid and IPAddress#2216
• Upate MbedTLS to 2.22.0 #2117
• [Tracker] ESP32 NCP firmware updated to version 0.0.7
• Use PARTICLE_ prefix for LED defines in order not to pollute global namespace #2247
• [Gen 3] Ethernet FeatherWing power state management #2258
• [Cellular] Changes how signal strength and quality percentages are calculated to provide a more accurate representation of signal conditions #2236

BUGFIXES

• [Gen 2] Fix D0 alternate-function being unconditionally reset when calling Serial1.end() #2256
• [Gen 3] Fix an issue with BLE.scan() deadlocking #2220
  /2251)

System Binaries (all devices)

https://github.com/particle-iot/device-os/releases/download/v3.0.0-beta.1/[email protected]

---

Programming and Debugging

You can view specific programming and debugging notes for this version of firmware here.

v2.0.1 (Photon/P1/Electron/Argon/Boron/B SoM/B5 SoM/Tracker)

Device OS 2.0.1 Default Release (LTS) is available in the Web IDE, Particle Workbench and Particle CLI for (Photon/P1/Electron/Argon/Boron/B SoM/B5 SoM/Tracker).

released on December 16th, 2020

See documentation about Device OS versions, their current state, upgrades and downgrades here.

NOTE: This release enables a change in product firmware update process from earlier versions of Device OS: Electrons and Gen 3 devices will receive a bootloader update as a first step without triggering Safe Mode, to ensure that the rest of the update process can benefit from safety enhancements present in the LTS version of the bootloader (#2151 and #2176)

---

2.0.1

ENHANCEMENTS

• [Gen 3] Remove incompatibility that required intermediate update through Device OS 1.1.0 #2254

BUGFIXES

• [Gen 3] Fix processing of modules with MODULE_DROP_MODULE_INFO flag in the bootloader, when scheduled to be flashed by Device OS versions before 2.0.0-rc.1 #2246
• Allow SystemSleepNetworkFlag::INACTIVE_STANDBY to be specified when entering HIBERNATE sleep mode to keep the network coprocessor in its current state #2248
• Add inline optimization to speed up fast pin API calls #2251

System Binaries (all devices)

https://github.com/particle-iot/device-os/releases/download/v2.0.1/[email protected]

---

Programming and Debugging

You can view specific programming and debugging notes for this version of firmware here.

v2.0.0 (Photon/P1/Electron/Argon/Boron/B SoM/B5 SoM/Tracker)

Device OS 2.0.0 Default Release (LTS) is available in the Web IDE, Particle Workbench and Particle CLI for (Photon/P1/Electron/Argon/Boron/B SoM/B5 SoM/Tracker).

released on December 3rd, 2020

See documentation about Device OS versions, their current state, upgrades and downgrades here.

---

2.0.0

BREAKING CHANGES

• Mesh support removed. 2.x+ DeviceOS releases no longer have Mesh capabilities #2068
• Xenon platform support removed. 2.x+ DeviceOS releases no longer support Xenons #2068
• Minimum ARM GCC version required increased to 9.2.1 #2123
• SPISettings class is always available even if compiling without Arduino compatibility #2138
• Add deprecation notices for some of the renamed HAL APIs (with appropriate replacements) #2148

DEPRECATION

• [Cellular] Mark CellularSignal::rssi and CellularSignal::qual as deprecated #2182

FEATURES

• [Cellular] Read IMSI when multi-IMSI SIM performs the switch #2174 #2179
• Allow UDP server public key to be set in DCT programmatically #2178
• [Gen 2] Wake-up by analog value #2172
• [Gen 2] Wake-up by USART #2173
• [Gen 3] Add ftruncate() and truncate() APIs #2195
• Expose functions to fetch serial / mobile secret from OTP-area #2190
• [Electron] Wake-up by cellular #2186
• [Gen 3] Wake up from STOP/ULP/Hibernate modes by analog pin #2163
• [Gen 3] Wake up from STOP/ULP modes by WiFi/Cellular and UART #2162
• [Gen 3] pinSetDriveStrength() API #2157
• Add os_queue_peek() and make sure that queues and semaphores can be accessed from ISRs #2156 #2074
• [Gen 3 / Cellular] Proactively attempt to recover from a number of failed cellular registration states #2150
• [Gen 3 / Cellular] Reset cellular modem if failing to establish PPP session for over 5 minutes #2150
• [Gen 2] Blocking UDP socket reads with a timeout #2150
• Power-loss resistant bootloader updates through MBR #2151
• Ultra low power sleep mode #2149 #2133 #2132 #2129 #2130 #2125 #2136
• Additional APN settings based on ICCIDs #2144
• NTP-based internet test #2118
• [Gen 3] Warm bootup of cellular modems and cellular connectivity resumption #2102 #2146
• Support for compressed / combined binaries in OTA updates #2097
• ARM GCC 9 support #2103
• Device-initiated describe messages #2024
• Notify the cloud about planned disconnections #1899

ENHANCEMENTS

• [Gen 3] Enable Network Diagnostics/Vitals #2230
• Remove warning for publish and subscribe scope deprecation #2209
• Export some common standard C library functions through dynalib #2225
• [Electron] Monitor cellular modem for brown-outs and resets/crashes and perform reinitialization when required #2219
• Clear OTA slots after updating firmware modules to improve reliability of OTA updates #2176
• [Cellular] Replace AT+COPS=2 with AT+CFUN=0 or AT+CFUN=4 to prevent longer registration times #2177
• [Cellular] IMSI-based operator lookup, operator-specific enhancements #2185
• [Electron] Recovery mechanics for cases when the modem becomes unresponsive #2198
• Add printf attributes to appopriate wiring functions to generate -Wformat warnings #2201
• Change Time::now() return type to 32-bit time32_t to reduce potential issues with printf formatting of 64-bit time_t #2201
• [Gen 3] Workaround when unable to obtain DNS servers from remote PPP peer #2165
• System power manager blocks access to FuelGauge for 500ms in its own thread, instead of system when waking up from STOP/ULP sleep mode #2159
• [wiring] Pin operations are not dependent on wiring C++ peripheral object initialization (e.g. SPI, Wire etc) #2157
• [Gen 3] Default SPI pin drive strength changed to high #2157
• [Gen 3] Restore original BASEPRI when exiting FreeRTOS critical section #2150
• [Gen 3 / Cellular] Do not use packet buffers from pool in TX path #2150
• [Gen 3 / Cellular] Reliable data mode entry when attempting to establish PPP connection #2150
• [Gen 3] Changes the implementation of Nordic SDK critical sections to use BASEPRI #2101
• Allow resetting the device and disconnecting from the cloud via low-level USB vendor requests #2142
• [Cellular] When resuming cellular connection, do not run COPS=0 again to avoid triggering PLMN reselection #2139
• Reduce runtime RAM usage by sharing newlib _impure_ptr between modules #2126
• [Electron] Use snprintf() instead of sprintf() #2122
• [Gen 3] System thread wakeup on cloud data #2113
• [Argon] Hide unsupported WiFi wiring APIs #2120
• [B5 SoM / Tracker] Disable 2G fallback for BG96-based devices #2112
• [wiring] Changes default I2C timeouts when communicating with FuelGauge and PMIC to more manageable values #2096
• [wiring] Propagate low-level I2C errors in FuelGauge methods #2094
• [Gen 3] Network stack enhancements #2079
• Send describe messages as confirmable CoAP messages #2024
• [Argon] OTA adjustments #2045
• Remove support for unused control requests #2064
• RTC HAL refactoring to increase time-keeping precision #2123
• Y2k38 time_t size change adjustments #2123
• [wiring] Refactor wiring Time class to use reentrant versions of libc time functions #2123

BUGFIXES

• [Gen 2] Fix an issue in Sleep 2.0 API with STOP and ULP sleep modes potentially blocking user application on wake-up #2238
• [Electron] Fix a regression in +C*REG URC parsing #2239
• [Gen 3] Fix a potential crash when using sleep with multiple pins specified as wake-up sources together with BLE #2227
• [Electron] 2G Electrons with uBlox G350 should use AT+CPWROFF exclusively for powering off the modem #2229
• [Cellular] Set INPUT_PULLUP pin mode for FuelGau...

v2.0.0-rc.4 (Photon/P1/Electron/Argon/Boron/B SoM/B5 SoM/Tracker)

Device OS 2.0.0-rc.4 Release Candidate is out on the Web IDE for (Photon/P1/Electron/Argon/Boron/B SoM/B5 SoM/Tracker)

released on October 30th, 2020

See documentation about Device OS versions, their current state, upgrades and downgrades here.

---

Note: This is a Release Candidate (RC) and is not intended for production yet. We've tested this RC to the best of our ability and we want to know what you think now! Please understand that some care and attention is necessary when testing this RC, and be sure to upgrade to the final release when it's available. This RC will not be available by default. To use you must select the version dropdown from the devices drawer. Downgrading back to the current release info is at the bottom of this post.

Note: OTA or YModem transfer on Electron (sequence required)

1. First Update to 0.5.5 (if the current version is less than that)
2. Then update to 0.6.4 (if the current version is less than that)
3. Then update to 0.7.0 (if the current version is less than that)
4. Then update to 1.2.1 (if the current version is less than that)
5. Then update to 2.0.0-rc.4

Note: DFU over USB on Electron/Photon/P1 (sequence not required)

• You may update to 2.0.0-rc.4 directly first, flash the system firmware (attached above) in order 1,2(,3) to the device using particle flash --usb <system-part.bin>. See the next note about the bootloader if you are offline!

Note: P1/Photon Bootloader
The Cloud will automatically update the bootloader on P1/Photon devices if your device is online. If your device does not connect to the cloud and it is offline, you should flash the bootloader to the device using particle flash --serial <bootloader.bin>. This should be done after upgrading system firmware. The Electron bootloader is applied automatically from it's own system parts.

Note: Argon/Boron/B SoM/B5 SoM
If your device is offline, the bootloader must be manually updated using particle flash --serial <bootloader.bin>. This can be done before or after upgrading system firmware.

Note: Argon/Boron/B SoM/B5 SoM SoftDevice
If your device is offline, the SoftDevice must be manually updated using the CLI. See the instructions below.

Note: Downgrading [Electron/Photon/P1] OTA or YModem transfer:
If you need to downgrade, you must downgrade to 1.2.1, then 0.7.0, then 0.6.3(Photon/P1), 0.6.4(Electron) to ensure that the bootloader downgrades automatically. When downgrading to older versions, downgrade to 1.2.1, then 0.7.0 first, then 0.6.3(Photon/P1), 0.6.4(Electron), then to an older version such as 0.5.5.

Note: Downgrading [LTE Boron and BSoM]:
If you need to downgrade, you must downgrade to 1.5.2 first. and let the device attempt a cellular network registration.

---

2.0.0-rc.4

ENHANCEMENTS

• [Gen 3] Enable Network Diagnostics/Vitals #2230

BUGFIXES

• [Gen 3] Fix a potential crash when using sleep with multiple pins specified as wake-up sources together with BLE #2227
• [Electron] 2G Electrons with uBlox G350 should use AT+CPWROFF exclusively for powering off the modem #2229

System Binaries (all devices)

https://github.com/particle-iot/device-os/releases/download/v2.0.0-rc.4/[email protected]

---

Programming and Debugging

You can view specific programming and debugging notes for this version of firmware here.

SoftDevice update

This Device OS release will automatically update the SoftDevice for devices connected to the cloud.

Prerequisites

particle-cli version 2.8.1.

Upgrading OTA

1. Upgrade to 2.0.0-rc.4
2. Manually flash 2.0.0-rc.4 bootloader: particle flash <deviceId> [email protected]
3. Flash SoftDevice: particle flash <deviceId> [email protected]

Upgrading using YModem

1. Upgrade to 2.0.0-rc.4
2. Put the device into listening mode (blinking blue) by holding MODE button
3. Manually flash 2.0.0-rc.4 bootloader: particle flash --serial [email protected]
4. Flash SoftDevice: particle flash --serial [email protected]

Upgrading using DFU (--usb only works for SoftDevice, not bootloader yet)

1. Upgrade Device OS to 2.0.0-rc.4
2. Update the bootloader to 2.0.0-rc.4 with the OTA or YModem process above
3. Put the device into DFU mode (blinking yellow)
4. Flash the SoftDevice: particle flash --usb [email protected]

v1.5.4-rc.2 (Photon/P1/Electron/Argon/Boron/Xenon/B SoM/B5 SoM/Tracker)

Device OS 1.5.4-rc.2 Release Candidate is out on the Web IDE for (Photon/P1/Electron/Argon/Boron/Xenon/B SoM/B5 SoM/Tracker)

released on October 15th, 2020

---

Note: This is a Release Candidate (RC) and is not intended for production yet. We've tested this RC to the best of our ability and we want to know what you think now! Please understand that some care and attention is necessary when testing this RC, and be sure to upgrade to the final release when it's available. This RC will not be available by default. To use you must select the version dropdown from the devices drawer. Downgrading back to the current release info is at the bottom of this post.

Note: OTA or YModem transfer on Electron (sequence required)

1. First Update to 0.5.5 (if the current version is less than that)
2. Then update to 0.6.4 (if the current version is less than that)
3. Then update to 0.7.0 (if the current version is less than that)
4. Then update to 1.2.1 (if the current version is less than that)
5. Then update to 1.5.4-rc.2

Note: DFU over USB on Electron/Photon/P1 (sequence not required)

• You may update to 1.5.4-rc.2 directly first, flash the system firmware (attached above) in order 1,2(,3) to the device using particle flash --usb <system-part.bin>. See the next note about the bootloader if you are offline!

Note: P1/Photon Bootloader
The Cloud will automatically update the bootloader on P1/Photon devices if your device is online. If your device does not connect to the cloud and it is offline, you should flash the bootloader to the device using particle flash --serial <bootloader.bin>. This should be done after upgrading system firmware. The Electron bootloader is applied automatically from it's own system parts.

Note: Argon/Boron/Xenon/B SoM/B5 SoM
If your device is offline, the bootloader must be manually updated using particle flash --serial <bootloader.bin>. This can be done before or after upgrading system firmware.

Note: Argon/Boron/Xenon/B SoM/B5 SoM SoftDevice
If your device is offline, the SoftDevice must be manually updated using the CLI. See the instructions below.

Note: Downgrading [Electron/Photon/P1] OTA or YModem transfer:
If you need to downgrade, you must downgrade to 1.2.1, then 0.7.0, then 0.6.3(Photon/P1), 0.6.4(Electron) to ensure that the bootloader downgrades automatically. When downgrading to older versions, downgrade to 1.2.1, then 0.7.0 first, then 0.6.3(Photon/P1), 0.6.4(Electron), then to an older version such as 0.5.5.

1.5.4-rc.2

Note: If your Gen 2 Photon/P1 or Gen 3 device does not have a Cloud connection, it is recommended to update system firmware, and then the bootloader via CLI with particle flash --serial bootloader.bin (bootloaders found in Github release). Electron bootloaders are still contained in system firmware and will update automatically as needed.
Note: If your Gen 3 device does not have a Cloud connection, this release will also require manually updating the SoftDevice via CLI. The instructions are available in the release notes and the SoftDevice binaries are available in the Github release.
This release contains v502 bootloaders.

BUGFIXES

• Configure PMIC and FuelGauge interrupt pins as INPUT_PULLUP #2207
• [Gen 3 / Cellular] Do not use packet buffers from pool in TX path #2150
• [Gen 3 / Cellular] Call into LwIP PPP code to indicate PPP_IP protocol is finished #2150
• [Gen 3] Workaround when unable to obtain DNS servers from remote PPP peer #2165
• [Cellular] When resuming cellular connection, do not run COPS=0 again to avoid triggering PLMN reselection #2139

System Binaries (all devices)

https://github.com/particle-iot/device-os/releases/download/v1.5.4-rc.2/[email protected]

---

Programming and Debugging

You can view specific programming and debugging notes for this version of firmware here.

SoftDevice update

This Device OS release will automatically update the SoftDevice for devices connected to the cloud.

Prerequisites

particle-cli version 2.8.1.

Upgrading OTA

1. Upgrade to 1.5.4-rc.2
2. Manually flash 1.5.4-rc.2 bootloader: particle flash <deviceId> [email protected]
3. Flash SoftDevice: particle flash <deviceId> [email protected]

Upgrading using YModem

1. Upgrade to 1.5.4-rc.2
2. Put the device into listening mode (blinking blue) by holding MODE button
3. Manually flash 1.5.4-rc.2 bootloader: particle flash --serial [email protected]
4. Flash SoftDevice: particle flash --serial [email protected]

Upgrading using DFU (--usb only works for SoftDevice, not bootloader yet)

1. Upgrade Device OS to 1.5.4-rc.2
2. Update the bootloader to 1.5.4-rc.2 with the OTA or YModem process above
3. Put the device into DFU mode (blinking yellow)
4. Flash the SoftDevice: particle flash --usb [email protected]

v2.0.0-rc.2 (Photon/P1/Electron/Argon/Boron/B SoM/B5 SoM)

Device OS 2.0.0-rc.2 Release Candidate is out on the Web IDE for (Photon/P1/Electron/Argon/Boron/B SoM/B5 SoM)

released on September 22nd, 2020

See documentation about Device OS versions, their current state, upgrades and downgrades here.

---

Note: This is a Release Candidate (RC) and is not intended for production yet. We've tested this RC to the best of our ability and we want to know what you think now! Please understand that some care and attention is necessary when testing this RC, and be sure to upgrade to the final release when it's available. This RC will not be available by default. To use you must select the version dropdown from the devices drawer. Downgrading back to the current release info is at the bottom of this post.

Note: OTA or YModem transfer on Electron (sequence required)

1. First Update to 0.5.5 (if the current version is less than that)
2. Then update to 0.6.4 (if the current version is less than that)
3. Then update to 0.7.0 (if the current version is less than that)
4. Then update to 1.2.1 (if the current version is less than that)
5. Then update to 2.0.0-rc.2

Note: DFU over USB on Electron/Photon/P1 (sequence not required)

• You may update to 2.0.0-rc.2 directly first, flash the system firmware (attached above) in order 1,2(,3) to the device using particle flash --usb <system-part.bin>. See the next note about the bootloader if you are offline!

Note: P1/Photon Bootloader
The Cloud will automatically update the bootloader on P1/Photon devices if your device is online. If your device does not connect to the cloud and it is offline, you should flash the bootloader to the device using particle flash --serial <bootloader.bin>. This should be done after upgrading system firmware. The Electron bootloader is applied automatically from it's own system parts.

Note: Argon/Boron/B SoM/B5 SoM
If your device is offline, the bootloader must be manually updated using particle flash --serial <bootloader.bin>. This can be done before or after upgrading system firmware.

Note: Argon/Boron/B SoM/B5 SoM SoftDevice
If your device is offline, the SoftDevice must be manually updated using the CLI. See the instructions below.

Note: Downgrading [Electron/Photon/P1] OTA or YModem transfer:
If you need to downgrade, you must downgrade to 1.2.1, then 0.7.0, then 0.6.3(Photon/P1), 0.6.4(Electron) to ensure that the bootloader downgrades automatically. When downgrading to older versions, downgrade to 1.2.1, then 0.7.0 first, then 0.6.3(Photon/P1), 0.6.4(Electron), then to an older version such as 0.5.5.

Note: Downgrading [LTE Boron and BSoM]:
If you need to downgrade, you must downgrade to 1.5.2 first. and let the device attempt a cellular network registration.

---

2.0.0-rc.2

DEPRECATION

• [Cellular] Mark CellularSignal::rssi and CellularSignal::qual as deprecated #2182

FEATURES

• [Cellular] Read IMSI when multi-IMSI SIM performs the switch #2174 #2179
• Allow UDP server public key to be set in DCT programmatically #2178
• [Gen 2] Wake-up by analog value #2172
• [Gen 2] Wake-up by USART #2173
• [Gen 3] Add ftruncate() and truncate() APIs #2195
• Expose functions to fetch serial / mobile secret from OTP-area #2190
• [Electron] Wake-up by cellular #2186

ENHANCEMENTS

• Clear OTA slots after updating firmware modules to improve reliability of OTA updates #2176
• [Cellular] Replace AT+COPS=2 with AT+CFUN=0 or AT+CFUN=4 to prevent longer registration times #2177
• [Cellular] IMSI-based operator lookup, operator-specific enhancements #2185
• [Electron] Recovery mechanics for cases when the modem becomes unresponsive #2198
• Add printf attributes to appopriate wiring functions to generate -Wformat warnings #2201
• Change Time::now() return type to 32-bit time32_t to reduce potential issues with printf formatting of 64-bit time_t #2201

BUGFIXES

• [Electron] Fix modem log timestamps starting with a high number on boot #2169
• [Cellular] Make sure 2G fallback stays disabled on Quectel BG96-based platforms #2175
• [Gen 3] Fix USART wake-up source configuration in Ultra Low Power mode, causing immediate sleep mode exit #2180
• [Gen 3] Fix tone generation behavior with zero duration (infinite) #2183
• Exclude printable objects from Print overload taking integral and unsigned integer convertible types #2181
• [Boron / B SoM] Fix warm bootup on uBlox SARA R4-based devices #2188
• [Gen 2] Support repeated-START between WRITE and READ operations in I2C Slave mode #2184 #2193
• Fastpin functions should not depend on the object initialization order #2194
• [Electron] Fix modem power leakage when the modem is in an unknown state when going into a sleep mode #2197
• [BLE] Fix issue with .serviceUUID() not returning UUID when there is an array #2202
• [Gen 3] Default SPI pin drive strength changed to high 7f2e8a711bd14abd1e094679f1cc6d26742cb6c9

System Binaries (all devices)

https://github.com/particle-iot/device-os/releases/download/v2.0.0-rc.2/[email protected]

---

Programming and Debugging

You can view specific programming and debugging notes for this version of firmware here.

SoftDevice update

This Device OS release will automatically update the SoftDevice for devices connected to the cloud.

Prerequisites

particle-cli version 2.7.2.

Upgrading OTA

1. Upgrade to 2.0.0-rc.2
2. Manually flash 2.0.-rc.1 bootloader: particle flash <deviceId> [email protected]
3. Flash SoftDevice: particle flash <deviceId> [email protected]

Upgrading using YModem

1. Upgrade to 2.0.0-rc.2
2. Put the device into listening mode (blinking blue) by holding MODE button
3. Manually flash 2.0.0-rc.2 bootloader: particle flash --serial [email protected]
4. Flash SoftDevice: particle flash --serial [email protected]

Upgrading using DFU (--usb only works for SoftDevice, not bootloader yet)

1. Upgrade Device OS to 2.0.0-rc.2
2. Update the bootloader to 2.0.0-rc.2 with the OTA or YModem process above
3. Put the device into DFU mode (blinking yellow)
4. Flash the SoftDevice: particle flash --usb [email protected]

QA Report Summary for Particle Device OS

You can view results of tests run this release here.

v2.0.0-rc.1 (Photon/P1/Electron/Argon/Boron/B SoM/B5 SoM)

Device OS 2.0.0-rc.1 Release Candidate is out on the Web IDE for (Photon/P1/Electron/Argon/Boron/B SoM/B5 SoM)

released on July 30th, 2020

See documentation about Device OS versions, their current state, upgrades and downgrades here.

---

Note: This is a Release Candidate (RC) and is not intended for production yet. We've tested this RC to the best of our ability and we want to know what you think now! Please understand that some care and attention is necessary when testing this RC, and be sure to upgrade to the final release when it's available. This RC will not be available by default. To use you must select the version dropdown from the devices drawer. Downgrading back to the current release info is at the bottom of this post.

Note: OTA or YModem transfer on Electron (sequence required)

1. First Update to 0.5.5 (if the current version is less than that)
2. Then update to 0.6.4 (if the current version is less than that)
3. Then update to 0.7.0 (if the current version is less than that)
4. Then update to 1.2.1 (if the current version is less than that)
5. Then update to 2.0.0-rc.1

Note: DFU over USB on Electron/Photon/P1 (sequence not required)

• You may update to 2.0.0-rc.1 directly first, flash the system firmware (attached above) in order 1,2(,3) to the device using particle flash --usb <system-part.bin>. See the next note about the bootloader if you are offline!

Note: P1/Photon Bootloader
The Cloud will automatically update the bootloader on P1/Photon devices if your device is online. If your device does not connect to the cloud and it is offline, you should flash the bootloader to the device using particle flash --serial <bootloader.bin>. This should be done after upgrading system firmware. The Electron bootloader is applied automatically from it's own system parts.

Note: Argon/Boron/B SoM/B5 SoM
If your device is offline, the bootloader must be manually updated using particle flash --serial <bootloader.bin>. This can be done before or after upgrading system firmware.

Note: Argon/Boron/B SoM/B5 SoM SoftDevice
If your device is offline, the SoftDevice must be manually updated using the CLI. See the instructions below.

Note: Downgrading [Electron/Photon/P1] OTA or YModem transfer:
If you need to downgrade, you must downgrade to 1.2.1, then 0.7.0, then 0.6.3(Photon/P1), 0.6.4(Electron) to ensure that the bootloader downgrades automatically. When downgrading to older versions, downgrade to 1.2.1, then 0.7.0 first, then 0.6.3(Photon/P1), 0.6.4(Electron), then to an older version such as 0.5.5.

---

2.0.0-rc.1

BREAKING CHANGES

• Mesh support removed. 2.x+ DeviceOS releases no longer have Mesh capabilities #2068
• Xenon platform support removed. 2.x+ DeviceOS releases no longer support Xenons #2068
• Minimum ARM GCC version required increased to 9.2.1 #2123
• SPISettings class is always available even if compiling without Arduino compatibility #2138
• Add deprecation notices for some of the renamed HAL APIs (with appropriate replacements) #2148
• LTE Borons and BSoM will be unable to communicate with the cellular modem when downgrading from 2.x+ DeviceOS unless first downgraded to 1.5.2 and letting the device attempt a cellular network registration

FEATURES

• [Gen 3] Wake up from STOP/ULP/Hibernate modes by analog pin #2163
• [Gen 3] Wake up from STOP/ULP modes by WiFi/Cellular and UART #2162
• [Gen 3] pinSetDriveStrength() API #2157
• Add os_queue_peek() and make sure that queues and semaphores can be accessed from ISRs #2156 #2074
• [Gen 3 / Cellular] Proactively attempt to recover from a number of failed cellular registration states #2150
• [Gen 3 / Cellular] Reset cellular modem if failing to establish PPP session for over 5 minutes #2150
• [Gen 2] Blocking UDP socket reads with a timeout #2150
• Power-loss resistant bootloader updates through MBR #2151
• Ultra low power sleep mode #2149 #2133 #2132 #2129 #2130 #2125 #2136
• Additional APN settings based on ICCIDs #2144
• NTP-based internet test #2118
• [Gen 3] Warm bootup of cellular modems and cellular connectivity resumption #2102 #2146
• Support for compressed / combined binaries in OTA updates #2097
• ARM GCC 9 support #2103
• Device-initiated describe messages #2024
• Notify the cloud about planned disconnections #1899

ENHANCEMENTS

• [Gen 3] Workaround when unable to obtain DNS servers from remote PPP peer #2165
• System power manager blocks access to FuelGauge for 500ms in its own thread, instead of system when waking up from STOP/ULP sleep mode #2159
• [wiring] Pin operations are not dependent on wiring C++ peripheral object initialization (e.g. SPI, Wire etc) #2157
• [Gen 3] Default SPI pin drive strength changed to high #2157
• [Gen 3] Restore original BASEPRI when exiting FreeRTOS critical section #2150
• [Gen 3 / Cellular] Do not use packet buffers from pool in TX path #2150
• [Gen 3 / Cellular] Reliable data mode entry when attempting to establish PPP connection #2150
• [Gen 3] Changes the implementation of Nordic SDK critical sections to use BASEPRI #2101
• Allow resetting the device and disconnecting from the cloud via low-level USB vendor requests #2142
• [Cellular] When resuming cellular connection, do not run COPS=0 again to avoid triggering PLMN reselection #2139
• Reduce runtime RAM usage by sharing newlib _impure_ptr between modules #2126
• [Electron] Use snprintf() instead of sprintf() #2122
• [Gen 3] System thread wakeup on cloud data #2113
• [Argon] Hide unsupported WiFi wiring APIs #2120
• [B5 SoM / Tracker] Disable 2G fallback for BG96-based devices #2112
• [wiring] Changes default I2C timeouts when communicating with FuelGauge and PMIC to more manageable values #2096
• [wiring] Propagate low-level I2C errors in FuelGauge methods #2094
• [Gen 3] Network stack enhancements #2079
• Send describe messages as confirmable CoAP messages #2024
• [Argon] OTA adjustments #2045
• Remove support for unused control requests #2064
• RTC HAL refactoring to increase time-keeping precision #2123
• Y2k38 time_t size change adjustments #2123
• [wiring] Refactor wiring Time class to use reentrant versions of libc time functions #2123

BUGFIXES

• [wiring] Servo object should deinit its pin when destructed #2150
• Fix an issue with loop() not being executed in SEMI_AUTOMATIC modem when network interfaces are down #2150
• [Gen 3] Fix cycle counter synchronization when processing RTC overflow events #2150
• [Electron] Increase default AT command timeouts #2150
  ...

v1.5.4-rc.1 (Photon/P1/Electron/Argon/Boron/Xenon/B SoM/B5 SoM/Tracker)

Device OS 1.5.4-rc.1 Release Candidate is out on the Web IDE for (Photon/P1/Electron/Argon/Boron/Xenon/B SoM/B5 SoM/Tracker)

released on June 29th, 2020

---

See documentation about Device OS versions, their current state, upgrades and downgrades here.

---

Note: This is a Release Candidate (RC) and is not intended for production yet. We've tested this RC to the best of our ability and we want to know what you think now! Please understand that some care and attention is necessary when testing this RC, and be sure to upgrade to the final release when it's available. This RC will not be available by default. To use you must select the version dropdown from the devices drawer. Downgrading back to the current release info is at the bottom of this post.

Note: OTA or YModem transfer on Electron (sequence required)

1. First Update to 0.5.5 (if the current version is less than that)
2. Then update to 0.6.4 (if the current version is less than that)
3. Then update to 0.7.0 (if the current version is less than that)
4. Then update to 1.2.1 (if the current version is less than that)
5. Then update to 1.5.4-rc.1

Note: DFU over USB on Electron/Photon/P1 (sequence not required)

• You may update to 1.5.4-rc.1 directly first, flash the system firmware (attached above) in order 1,2(,3) to the device using particle flash --usb <system-part.bin>. See the next note about the bootloader if you are offline!

Note: P1/Photon Bootloader
The Cloud will automatically update the bootloader on P1/Photon devices if your device is online. If your device does not connect to the cloud and it is offline, you should flash the bootloader to the device using particle flash --serial <bootloader.bin>. This should be done after upgrading system firmware. The Electron bootloader is applied automatically from it's own system parts.

Note: Argon/Boron/Xenon/B SoM/B5 SoM
If your device is offline, the bootloader must be manually updated using particle flash --serial <bootloader.bin>. This can be done before or after upgrading system firmware.

Note: Argon/Boron/Xenon/B SoM/B5 SoM SoftDevice
If your device is offline, the SoftDevice must be manually updated using the CLI. See the instructions below.

Note: Downgrading [Electron/Photon/P1] OTA or YModem transfer:
If you need to downgrade, you must downgrade to 1.2.1, then 0.7.0, then 0.6.3(Photon/P1), 0.6.4(Electron) to ensure that the bootloader downgrades automatically. When downgrading to older versions, downgrade to 1.2.1, then 0.7.0 first, then 0.6.3(Photon/P1), 0.6.4(Electron), then to an older version such as 0.5.5.

1.5.4-rc.1

Note: If your Gen 2 Photon/P1 or Gen 3 device does not have a Cloud connection, it is recommended to update system firmware, and then the bootloader via CLI with particle flash --serial bootloader.bin (bootloaders found in Github release). Electron bootloaders are still contained in system firmware and will update automatically as needed.
Note: If your Gen 3 device does not have a Cloud connection, this release will also require manually updating the SoftDevice via CLI. The instructions are available in the release notes and the SoftDevice binaries are available in the Github release.
This release contains v502 bootloaders.

BUGFIXES

• [Electron] Fixes buffer overrun in modem HAL #2115
• [Electron] Process 'CEREG: 0' URCs on R410M #2119
• [Photon] Fix WPA Enterprise X509 certificate parsing 428940879f5fd1d5a3bdd658260ee45a9f7aca90

System Binaries (all devices)

https://github.com/particle-iot/device-os/releases/download/v1.5.4-rc.1/[email protected]

---

Programming and Debugging

You can view specific programming and debugging notes for this version of firmware here.

SoftDevice update

This Device OS release will automatically update the SoftDevice for devices connected to the cloud.

Prerequisites

particle-cli version 2.6.0.

Upgrading OTA

1. Upgrade to 1.5.4-rc.1
2. Manually flash 1.5.4-rc.1 bootloader: particle flash <deviceId> [email protected]
3. Flash SoftDevice: particle flash <deviceId> [email protected]

Upgrading using YModem

1. Upgrade to 1.5.4-rc.1
2. Put the device into listening mode (blinking blue) by holding MODE button
3. Manually flash 1.5.4-rc.1 bootloader: particle flash --serial [email protected]
4. Flash SoftDevice: particle flash --serial [email protected]

Upgrading using DFU (--usb only works for SoftDevice, not bootloader yet)

1. Upgrade Device OS to 1.5.4-rc.1
2. Update the bootloader to 1.5.4-rc.1 with the OTA or YModem process above
3. Put the device into DFU mode (blinking yellow)
4. Flash the SoftDevice: particle flash --usb [email protected]

QA Report Summary for Particle Device OS

You can view results of tests run this release here.

v1.5.3-tracker.1 (Asset Tracker)

Device OS 1.5.3-tracker.1 Release is out for Asset Tracker

released on production servers May 22nd, 2020

1.5.3-tracker.1

FEATURES

• [Gen 3] Add API to read OTP hardware version and model information
• [Asset Tracker] Alternate I2C interface on D8/D9

ENHANCEMENTS

• [Asset Tracker] Improve external RTC accuracy

BUGFIXES

• [Asset Tracker] Hardware flow control should not be disable for revision 0 devices
• [Asset Tracker] Suspend program/erase opertion when QSPI flash init gives timeout error

System Binaries (all devices)

https://github.com/particle-iot/device-os/releases/download/v1.5.3-tracker.1/[email protected]