LoRaWAN on Nordic and SX1276 & SX1262 Shield #43428

induthings-coder · 2022-03-02T20:25:18Z

induthings-coder
Mar 2, 2022

Dear All.

I tried to test and evaluate LoRaWAN stack on Zephyr, without success. I will need more time to debug what is happening by the logic analyzer. Meantime I attached the configurations to confirm, if anybody tried the same.

SX1276MB1LAS + nrf52832-DK:

&spi0 {
compatible = "nordic,nrf-spi";
status = "okay";
mosi-pin = <23>;
miso-pin = <24>;
sck-pin = <25>;
cs-gpios = <&gpio0 22 GPIO_ACTIVE_LOW>;
miso-pull-up;

      lora0: sx1276@0 {
                compatible = "semtech,sx1276";
                reset-gpios = <&gpio0 3 GPIO_ACTIVE_LOW>;
                dio-gpios = <&gpio0 13 GPIO_ACTIVE_HIGH>,
                            <&gpio0 14 GPIO_ACTIVE_HIGH>,
                            <&gpio0 15 GPIO_ACTIVE_HIGH>,
                            <&gpio0 16 GPIO_ACTIVE_HIGH>,
                            <&gpio0 19 GPIO_ACTIVE_HIGH>,
                            <&gpio0 20 GPIO_ACTIVE_HIGH>;
                 //antenna-enable-gpios = <&gpio0 30 GPIO_ACTIVE_HIGH>;
                power-amplifier-output = "pa-boost";
                reg = <0>;
                spi-max-frequency = <1000000>;
                label = "SX1276";
       };

};

SX1262MB2CAS + nrf52832-DK:

&spi0 {
compatible = "nordic,nrf-spi";
status = "okay";
miso-pin = <24>;
mosi-pin = <23>;
sck-pin = <25>;
cs-gpios = <&gpio0 18 GPIO_ACTIVE_LOW>;
miso-pull-up;

   lora0: sx1262@0 {
      compatible = "semtech,sx1262";
      reg = <0>;
      label = "sx1262";
      reset-gpios = <&gpio0 3 GPIO_ACTIVE_LOW>;
      antenna-enable-gpios = <&gpio0 19 GPIO_ACTIVE_LOW>;
      busy-gpios = <&gpio0 14 GPIO_ACTIVE_HIGH>;
      dio1-gpios = <&gpio0 16 GPIO_ACTIVE_HIGH>;
      spi-max-frequency = <1000000>;
  };

};

enable SPI

CONFIG_SPI=y
CONFIG_SPI_NRFX=y

Enable the SX12XX radio driver for Lora

CONFIG_LORA=y
CONFIG_LORA_LOG_LEVEL_DBG=y
CONFIG_LORA_SX12XX=y
CONFIG_LORA_SX127X=y

Enable the Lorawan stack

CONFIG_LORAWAN=y
CONFIG_LORAWAN_LOG_LEVEL_DBG=y
CONFIG_HAS_SEMTECH_LORAMAC=y
CONFIG_HAS_SEMTECH_SOFT_SE=y
CONFIG_HAS_SEMTECH_RADIO_DRIVERS=y

Define the Lorawan region to be used

CONFIG_LORAMAC_REGION_AU915=y
#CONFIG_LORAMAC_REGION_US915=y
#CONFIG_LORAWAN_SYSTEM_MAX_RX_ERROR=90

seems that it is not transmitting anything...

00> [00:00:00.271,942] sx126x.sx126x_lora_init: Initializing sx1262
00> [00:00:00.272,033] sx126x.SX126xReset: Resetting radio
00> [00:00:00.302,398] sx126x.SX126xIoIrqInit: Configuring DIO IRQ callback
00> [00:00:00.302,520] sx126x.SX126xWakeup: Sending GET_STATUS
00> [00:00:00.302,703] sx126x.SX126xWakeup: Waiting for device...
00> [00:00:00.302,703] sx126x.SX126xWakeup: Device ready
00> [00:00:00.302,734] sx126x.SX126xWriteCommand: Issuing opcode 0x80 w. 1 bytes of data
00> [00:00:00.302,947] sx126x.SX126xSetOperatingMode: SetOperatingMode: STDBY_RC (1)
00> [00:00:00.302,947] sx126x.SX126xIoTcxoInit: No TCXO configured
00> [00:00:00.302,978] sx126x.SX126xIoRfSwitchInit: Configuring DIO2
00> [00:00:00.302,978] sx126x.SX126xWriteCommand: Issuing opcode 0x9d w. 1 bytes of data
00> [00:00:00.303,192] sx126x.SX126xSetOperatingMode: SetOperatingMode: STDBY_RC (1)
00> [00:00:00.303,19
00> [00:00:05.719,268] sx126x.SX126xWriteCommand: Issuing opcode 0x80 w. 1 bytes of data
00> [00:00:05.719,390] sx126x.SX126xWakeup: Sending GET_STATUS
00> [00:00:05.719,543] sx126x.SX126xWakeup: Waiting for device...
00> [00:00:05.720,703] sx126x.SX126xWakeup: Device ready
00> [00:00:05.720,703] sx126x.SX126xAntSwOn: Enabling antenna switch
00> [00:00:05.720,916] sx126x.SX126xSetOperatingMode: SetOperatingMode: STDBY_RC (1)
00> [00:00:05.720,947] sx126x.SX126xWriteCommand: Issuing opcode 0x86 w. 4 bytes of data
00> [00:00:05.722,351] sx126x.SX126xWriteCommand: Issuing opcode 0x9f w. 1 bytes of data
00> [00:00:05.722,564] sx126x.SX126xWriteCommand: Issuing opcode 0x80 w. 1 bytes of data
00> [00:00:05.722,778] sx126x.SX126xSetOperatingMode: SetOperatingMode: STDBY_RC (1)
00> [00:00:05.722,808] sx126x.SX126xWriteCommand: Issuing opcode 0x8a w. 1 bytes of data
00> [00:00:05.723,052] sx126x.SX126xWriteCommand: Issuing opcode 0x8b w. 4 bytes of data
00> [00:00:05.724,426] sx1[00:00:05.725,402] sx126x.SX126xWriteRegisters: Writing 1 registers @ 0x736: 0x9 , ...
00> [00:00:05.725,646] sx126x.SX126xWriteCommand: Issuing opcode 0x8c w. 6 bytes of data
00> [00:00:05.725,891] sx126x.SX126xWriteCommand: Issuing opcode 0x8 w. 8 bytes of data
00> [00:00:05.726,165] sx126x.SX126xSetOperatingMode: SetOperatingMode: RX (5)
00> [00:00:05.726,196] sx126x.SX126xWriteRegisters: Writing 1 registers @ 0x8ac: 0x94 , ...
00> [00:00:05.726,440] sx126x.SX126xWriteCommand: Issuing opcode 0x82 w. 3 bytes of data
00> [00:00:05.775,939] sx126x.sx126x_dio1_irq_work_handler: Processing DIO1 interrupt
00> [00:00:05.776,000] sx126x.SX126xReadCommand: Issuing opcode 0x12 (data size: 2)
00> [00:00:05.776,214] sx126x.SX126xReadCommand: -> status: 0xa6
00> [00:00:05.776,245] sx126x.SX126xWriteCommand: Issuing opcode 0x2 w. 2 bytes of data
00> [00:00:05.776,458] sx126x.SX126xSetOperatingMode: SetOperatingMode: STDBY_RC (1)
00> [00:00:05.776,489] sx126x.SX126xAntSwOff: Disabling antenna switch
00> [00:00:05.776,489] sx126x.SX126xWriteCommand: Issuing opcode 0x84 w. 1 bytes of data
00> [00:00:05.776,702] sx126x.SX126xSetOperatingMode: SetOperatingMode: SLEEP (0)
00> [00:00:06.739,990] sx126x.SX126xWriteCommand: Issuing opcode 0x80 w. 1 bytes of data
00> [00:00:06.740,051] sx126x.SX126xWakeup: Sending GET_STATUS
00> [00:00:06.740,173] sx126x.SX126xWakeup: Waiting for device...
00> [00:00:06.741,363] sx126x.SX126xWakeup: Device ready
00> [00:00:06.741,394] sx126x.SX126xAntSwOn: Enabling antenna switch
00> [00:00:06.741,607] sx126x.SX126xSetOperatingMode: SetO0m
00> [00:00:06.743,011] sx126x.SX126xWriteCommand: Issuing opcode 0x9f w. 1 bytes of data
00> [00:00:06.743,255] sx126x.SX126xWriteCommand: Issuing opcode 0x80 w. 1 bytes of data
00> [00:00:06.743,469] sx126x.SX126xSetOperatingMode: SetOperatingMode: STDBY_RC (1)
00> [00:00:06.743,469] sx126x.SX126xWriteCommand: Issuing opcode 0x8a w. 1 bytes of data
00> [00:00:06.743,682] sx126x.SX126xWriteCommand: Issuing opcode 0x8b w. 4 bytes of data
00> [00:00:06.745,086] sx126x.SX126xWriteCommand: Issuing opcode 0x8c w. 6 bytes of data
00> [00:00:06.745,360m
00> [00:00:06.745,574] sx126x.SX126xWriteRegisters: Writing 1 registers @ 0x706: 0x28 , ...
00> [00:00:06.745,819] sx126x.SX126xReadRegisters: Reading 1 registers @ 0x736
00> [00:00:06.746,032] sx126x: register_value
00> 0d |.
00> [00:00:06.746,063] sx126x.SX126xWriteRegisters: Writing 1 registers @ 0x736: 0x9 , ...
00> [00:00:06.746,307] sx126x.SX126xWriteCommand: Issuing opcode 0x8c w. 6 bytes of data
00> [00:00:06.746,551] sx126x.SX126xWriteCommand: Issuing opcode 0x8 w. 8 bytes of data
00> [00:00:06.746,917] sx126x.SX126xSetOperatingMode: SetOperatingMode: RX (5)
00> [00:00:06.746,948] sx126x.SX126xWriteRegisters: Writing 1 registers @ 0x8ac: 0x94 , ...
00> [00:00:06.747,161] sx126x.SX126xWriteCommand: Issuing opcode 0x82 w. 3 bytes of data
00> [00:00:06.829,437] sx126x.sx126x_dio1_irq_work_handler: Processing DIO1 interrupt
00> [00:00:06.829,528] sx126x.SX126xReadCommand: Issuing opcode 0x12 (data size: 2)
00> [00:00:06.829,742] sx126x.SX126xReadCommand: -> status: 0xa6
00> [00:00:06.829,772] sx126x.SX126xWriteCommand: Issuing opcode 0x2 w. 2 bytes of data
00> [00:00:06.830,017] sx126x.SX126xSetOperatingMode: SetOperatingMode: STDBY_RC (1)
00> [00:00:06.830,017] sx126x.SX126xAntSwOff: Disabling antenna switch
00> [00:00:06.830,047] sx126x.SX126xWriteCommand: Issuing opcode 0x84 w. 1 bytes of data
00> [00:00:06.830,261] sx126x.SX126xSetOperatingMode: SetOperatingMode: SLEEP (0)
00> [00:00:06.832,458] lorawan.MlmeConfirm: Received MlmeConfirm (for MlmeRequest 1)
00> [00:00:06.832,489] lorawan: MlmeConfirm failed : Rx 2 timeout
00> [00:00:06.835,357] lorawan_class_a: lorawan_join_network failed: -116

Thanks in advance...

https://devzone.nordicsemi.com/f/nordic-q-a/85257/lorawan-on-zephyr-sx1276-sx1262

clementlgl · 2022-04-29T08:15:45Z

clementlgl
Apr 29, 2022

Hi,
Did you solve the problem, I have the same error. I tested with a nrf52840 and a sx1262, then with a STM32L4.

Thank you

1 reply

induthings-coder Apr 30, 2022
Author

Hi, not yet, If I find the problem I will post the solution.

erwango · 2022-05-02T12:57:03Z

erwango
May 2, 2022
Collaborator

@Mani-Sadhasivam ^^

0 replies

Mani-Sadhasivam · 2022-05-02T13:55:26Z

Mani-Sadhasivam
May 2, 2022
Collaborator

@aogonzalez75 I'd recommend to cross check couple of things:

The *-enable GPIOs documented in binding depending on your board setup
LoRaWAN application Keys and EUI based on the LoRaWAN server
Try basic LoRa send/receive sample

3 replies

induthings-coder May 3, 2022
Author

some developer ported the Semtech stack and must have tested it?

Mani-Sadhasivam May 4, 2022
Collaborator

Yes ofc! The LoRaWAN subsys is tested with class a (others too) on different boards. If it is not working on your setup then we need to identify why.

induthings-coder May 4, 2022
Author

Please could you tell me what board is using to develop? I would like to deploy it and check. Thanks

CarlosFeuchter · 2022-09-09T18:47:54Z

CarlosFeuchter
Sep 9, 2022

I'm running into the same issue, I tested with an nrf52840 and an sx1262.

0 replies

ballardr · 2022-09-13T06:18:01Z

ballardr
Sep 13, 2022

I'm getting the same issue on Zephyr 3.1. As soon as I call lorawan_join() the application process fails to respond. I'm using a SX1276

Other notes that may be helpful:

The shell still works (so the crash is not affecting the scheduler).
Near identical configuration works on Zephyr 2.7
I can see my node connect on the loraWAN server (ie JoinRequest is accepted and a JoinAccept is sent)

For me, I can track that the issue is that lorawan_join() is sitting waiting to take from mlme_confirm_sem but this is never happening. Directly bove on lines 310-314 (in zephyr/subsys/lorawan/lorawan.c) it says:

		/*
		 * We can be sure that the semaphore will be released for
		 * both success and failure cases after a specific time period.
		 * So we can use K_FOREVER and no need to check the return val.
		 */
		k_sem_take(&mlme_confirm_sem, K_FOREVER);

this is clearly not happening...

It can easily be tested using log or printk's on either side of k_sem_take()

6 replies

dolence May 12, 2024

I'm also having this issue with my STM32U585 custom board. Dedicated thread didn't solved the issue for me. Any news on this?

--- 6 messages dropped ---
[00:00:00.148,000] <dbg> sx126x: sx126x_lora_init: Initializing sx126x
[00:00:00.148,000] <dbg> sx126x: SX126xReset: Resetting radio
[00:00:00.179,000] <dbg> sx126x: SX126xIoIrqInit: Configuring DIO IRQ callback
[00:00:00.179,000] <dbg> sx126x: SX126xWakeup: Sending GET_STATUS
[00:00:00.179,000] <dbg> sx126x: SX126xWakeup: Waiting for device...
[00:00:00.179,000] <dbg> sx126x: SX126xWakeup: Device ready
[00:00:00.179,000] <dbg> sx126x: SX126xWriteCommand: Issuing opcode 0x80 w. 1 bytes of data
[00:00:00.180,000] <dbg> sx126x: SX126xSetOperatingMode: SetOperatingMode: STDBY_RC (1)
[00:00:00.180,000] <dbg> sx126x: SX126xIoTcxoInit: No TCXO configured
[00:00:00.180,000] <dbg> sx126x: SX126xIoRfSwitchInit: Configuring DIO2
[00:00:00.180,000] <dbg> sx126x: SX126xWriteCommand: Issuing opcode 0x9d w. 1 bytes of data
[00:00:00.181,000] <dbg> sx126x: SX126xSetOperatingMode: SetOperatingMode: STDBY_RC (1)
[00:00:00.181,000] <dbg> sx126x: SX126xWriteCommand: Issuing opcode 0x80 w. 1 bytes of data
[00:00:00.182,000] <dbg> sx126x: SX126xSetOperatingMode: SetOperatingMode: STDBY_RC (1)
[00:00:00.185,000] <dbg> sx126x: SX126xWriteCommand: Issuing opcode 0x8e w. 2 bytes of data
[00:00:00.186,000] <dbg> sx126x: SX126xWriteCommand: Issuing opcode 0x8 w. 8 bytes of data
[00:00:00.186,000] <dbg> sx126x: SX126xReadRegisters: Reading 9 registers @ 0x29f
[00:00:00.187,000] <dbg> sx126x: SX126xReadRegisters: register_value
                                 00 6b 2e 71 35 c0 8a 73  76                      |.k.q5..s v
[00:00:00.187,000] <dbg> sx126x: SX126xWriteRegisters: Writing 9 registers @ 0x29f: 0x1 , ...
[00:00:00.187,000] <dbg> sx126x: SX126xReadRegisters: Reading 9 registers @ 0x29f
[00:00:00.187,000] <dbg> sx126x: SX126xReadRegisters: register_value
                                 01 08 ac 71 35 c0 8a 73  76                      |...q5..s v
[00:00:00.187,000] <dbg> sx126x: SX126xWriteRegisters: Writing 9 registers @ 0x29f: 0x2 , ...
[00:00:00.187,000] <dbg> sx126x: SX126xAntSwOff: No antenna switch configured
[00:00:00.187,000] <dbg> sx126x: SX126xWriteCommand: Issuing opcode 0x84 w. 1 bytes of data
[00:00:00.187,000] <dbg> sx126x: SX126xSetOperatingMode: SetOperatingMode: SLEEP (0)
*** Booting Zephyr OS build v3.6.0-1433-g105ef05c52d6 ***
[00:00:00.892,000] <dbg> app: main: Aplicação rodando na placa: stm32u585_gwr

[00:00:05.191,000] <dbg> sx126x: SX126xReset: Resetting radio
[00:00:05.221,000] <dbg> sx126x: SX126xIoIrqInit: Configuring DIO IRQ callback
[00:00:05.221,000] <dbg> sx126x: SX126xWakeup: Sending GET_STATUS
[00:00:05.221,000] <dbg> sx126x: SX126xWakeup: Waiting for device...
[00:00:05.221,000] <dbg> sx126x: SX126xWakeup: Device ready
[00:00:05.221,000] <dbg> sx126x: SX126xWriteCommand: Issuing opcode 0x80 w. 1 bytes of data
[00:00:05.222,000] <dbg> sx126x: SX126xSetOperatingMode: SetOperatingMode: STDBY_RC (1)
[00:00:05.222,000] <dbg> sx126x: SX126xIoTcxoInit: No TCXO configured
--- 7 messages dropped ---
[00:00:05.222,000] <dbg> sx126x: SX126xIoRfSwitchInit: Configuring DIO2
[00:00:05.222,000] <dbg> sx126x: SX126xWriteCommand: Issuing opcode 0x9d w. 1 bytes of data
--- 3 messages dropped ---
[00:00:05.223,000] <dbg> sx126x: SX126xSetOperatingMode: SetOperatingMode: STDBY_RC (1)
[00:00:05.223,000] <dbg> sx126x: SX126xWriteCommand: Issuing opcode 0x80 w. 1 bytes of data
[00:00:05.224,000] <dbg> sx126x: SX126xSetOperatingMode: SetOperatingMode: STDBY_RC (1)
[00:00:05.224,000] <dbg> sx126x: SX126xWriteCommand: Issuing opcode 0x96 w. 1 bytes of data
[00:00:05.225,000] <dbg> sx126x: SX126xWriteCommand: Issuing opcode 0x8f w. 2 bytes of data
[00:00:05.227,000] <dbg> sx126x: SX126xReadRegisters: Reading 1 registers @ 0x8d8
[00:00:05.227,000] <dbg> sx126x: SX126xReadRegisters: register_value
                                 c8                                               |.
[00:00:05.227,000] <dbg> sx126x: SX126xWriteRegisters: Writing 1 registers @ 0x8d8: 0xde , ...
[00:00:05.227,000] <dbg> sx126x: SX126xWriteCommand: Issuing opcode 0x95 w. 4 bytes of data
[00:00:05.228,000] <dbg> sx126x: SX126xWriteCommand: Issuing opcode 0x8e w. 2 bytes of data
[00:00:05.229,000] <dbg> sx126x: SX126xWriteCommand: Issuing opcode 0x8a w. 1 bytes of data
[00:00:05.231,000] <dbg> sx126x: SX126xWriteRegisters: Writing 1 registers @ 0x8e2: 0xc , ...
[00:00:05.231,000] <dbg> sx126x: SX126xReadRegisters: Reading 1 registers @ 0x8e5
[00:00:05.231,000] <dbg> sx126x: SX126xReadRegisters: register_value
                                 20                                               |
[00:00:05.231,000] <dbg> sx126x: SX126xWriteRegisters: Writing 1 registers @ 0x8e5: 0x20 , ...
[00:00:05.231,000] <dbg> sx126x: SX126xSetOperatingMode: SetOperatingMode: RX (5)
[00:00:05.231,000] <dbg> sx126x: SX126xWriteRegisters: Writing 1 registers @ 0x8ac: 0x94 , ...
[00:00:05.231,000] <dbg> sx126x: SX126xWriteCommand: Issuing opcode 0x82 w. 3 bytes of data
[00:00:05.232,000] <dbg> sx126x: SX126xReadRegisters: Reading 4 registers @ 0x819
[00:00:05.232,000] <dbg> sx126x: SX126xReadRegisters: register_value
                                 00 00 00 00                                      |....
[00:00:05.232,000] <dbg> sx126x: SX126xWriteCommand: Issuing opcode 0x80 w. 1 bytes of data
[00:00:05.233,000] <dbg> sx126x: SX126xSetOperatingMode: SetOperatingMode: STDBY_RC (1)
[00:00:05.233,000] <dbg> sx126x: SX126xWriteRegisters: Writing 1 registers @ 0x8e2: 0xc , ...
[00:00:05.233,000] <dbg> sx126x: SX126xWriteRegisters: Writing 1 registers @ 0x8e5: 0x20 , ...
[00:00:05.233,000] <dbg> sx126x: SX126xWriteCommand: Issuing opcode 0x8a w. 1 bytes of data
[00:00:05.234,000] <dbg> sx126x: SX126xWriteRegisters: Writing 1 registers @ 0x740: 0x34 , ...
[00:00:05.234,000] <dbg> sx126x: SX126xWriteRegisters: Writing 1 registers @ 0x741: 0x44 , ...
[00:00:05.234,000] <dbg> sx126x: SX126xAntSwOff: No antenna switch configured
[00:00:05.234,000] <dbg> sx126x: SX126xWriteCommand: Issuing opcode 0x84 w. 1 bytes of data
[00:00:05.234,000] <dbg> sx126x: SX126xSetOperatingMode: SetOperatingMode: SLEEP (0)
[00:00:05.236,000] <inf> app: Joining network over OTAA
[00:00:05.236,000] <dbg> sx126x: SX126xWriteCommand: Issuing opcode 0x8a w. 1 bytes of data
[00:00:05.237,000] <dbg> sx126x: SX126xWakeup: Sending GET_STATUS
[00:00:05.237,000] <dbg> sx126x: SX126xWakeup: Waiting for device...
uart:~$

Bazinga638 May 12, 2024

which chip are you using? Also check if the Rf switch has soldered properly. If the switch has not soldered property you will have issues with the RX.

dolence May 13, 2024

STM32U585 + EBYTE E22-900M30A module, which is based on SX1262. I have pina 7 TXEN and 8 DIO2 tied together and not connected to MCU. Pin 6 RXEN isn't connected to anything.

LoRa DTS configuration is as above:

lora: sx1262@0 {
        compatible = "semtech,sx1262";
        reg = <0>;
        reset-gpios = <&gpiod 2 (GPIO_OPEN_DRAIN  | GPIO_ACTIVE_LOW)>;
        busy-gpios =  <&gpiob 3 GPIO_ACTIVE_HIGH>;
        dio1-gpios = <&gpiob 4 GPIO_ACTIVE_HIGH>;
        dio2-tx-enable;
        spi-max-frequency = <10000000>;
        tcxo-power-startup-delay-ms = <5>;
    };

aectaan Sep 28, 2024

@dolence do you have any progress? Same issue with custom board nrf52832 and sx1262

qbsho Apr 30, 2025

I have the same issue with a Rak4630 and also tried to speed of Spi to 8Mhz. Still the same

Bazinga638 · 2023-06-06T15:28:08Z

Bazinga638
Jun 6, 2023

Hi i used the command lorawan_set_datarate(LORAWAN_DR_5) after lorawan_start and before lorawan_join() and it worked fine. I am using llcc68mb2bas and the nrf52840dk. zephyr version is V3.3. You must check which data rates and frequencies your module supports. Also check the dev eui and the join eui.

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LoRaWAN on Nordic and SX1276 & SX1262 Shield #43428

enable SPI

Enable the SX12XX radio driver for Lora

Enable the Lorawan stack

Define the Lorawan region to be used

Replies: 6 comments · 10 replies

induthings-coder Apr 30, 2022 Author

erwango May 2, 2022 Collaborator

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induthings-coder Apr 30, 2022
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erwango
May 2, 2022
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Mani-Sadhasivam
May 2, 2022
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induthings-coder May 3, 2022
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Mani-Sadhasivam May 4, 2022
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