在 Microchip Curiosity PIC32MZEF 上下載、建置、刷新和執行 FreeRTOS OTA 示範 - FreeRTOS

本文為英文版的機器翻譯版本，如內容有任何歧義或不一致之處，概以英文版為準。

在 Microchip Curiosity PIC32MZEF 上下載、建置、刷新和執行 FreeRTOS OTA 示範

重要

這是 FreeRTOS 使用者指南的封存版本，適用於 FreeRTOS 版本 202210.00。如需本文件的最新版本，請參閱 FreeRTOS 使用者指南。

注意

為與 Microchip 達成一致，我們將從 FreeRTOS 參考整合儲存庫主分支中移除 Curiosity PIC32MZEF (DM320104)，並且不會再以新版本攜帶它。Microchip 已發出正式通知，表示不再建議將 PIC32MZEF (DM320104) 用於新設計。PIC32MZEF 專案和原始程式碼仍可透過先前的版本標籤存取。Microchip 建議客戶使用 Curiosity PIC32MZ-EF-2.0 開發板 (DM320209) 進行新設計。PIC32MZv1 平台仍可在 FreeRTOS 參考整合儲存庫的 v202012.00 中找到。不過，FreeRTOS 參考的 v202107.00 不再支援平台。

下載 FreeRTOS OTA 示範程式碼
建置 OTA 更新示範應用程式

  1. 請遵循 中的指示，將aws_demos專案FreeRTOS 入門匯入 MPLAB X IDE、設定您的 AWS IoT 端點、Wi-Fi SSID 和密碼，以及電路板的私有金鑰和憑證。

  2. 開啟 vendors/vendor/boards/board/aws_demos/config_files/ota_demo_config.h 檔案，然後輸入您的憑證。

    [] = "your-certificate-key";

  3. 將程式碼簽署憑證的內容貼到這裡：

    #define otapalconfigCODE_SIGNING_CERTIFICATE [] = "your-certificate-key";

    遵循與 aws_clientcredential_keys.h -- 相同的格式，每一行必須以新的行字元 ('\n') 結尾，並以引號括住。

    例如，您的憑證應看起來與下列類似：

    "-----BEGIN CERTIFICATE-----\n"
"MIIBXTCCAQOgAwIBAgIJAM4DeybZcTwKMAoGCCqGSM49BAMCMCExHzAdBgNVBAMM\n"
"FnRlc3Rf62lnbmVyQGFtYXpvbi5jb20wHhcNMTcxMTAzMTkxODM1WhcNMTgxMTAz\n"
"MTkxODM2WjAhMR8wHQYDVQBBZZZ0ZXN0X3NpZ25lckBhbWF6b24uY29tMFkwEwYH\n"
"KoZIzj0CAQYIKoZIzj0DAQcDQgAERavZfvwL1X+E4dIF7dbkVMUn4IrJ1CAsFkc8\n"
"gZxPzn683H40XMKltDZPEwr9ng78w9+QYQg7ygnr2stz8yhh06MkMCIwCwYDVR0P\n"
"BAQDAgeAMBMGA1UdJQQMMAoGCCsGAQUFBwMDMAoGCCqGSM49BAMCA0gAMEUCIF0R\n"
"r5cb7rEUNtWOvGd05MacrgOABfSoVYvBOK9fP63WAqt5h3BaS123coKSGg84twlq\n"
"TkO/pV/xEmyZmZdV+HxV/OM=\n"
"-----END CERTIFICATE-----\n";

  4. 安裝 Python 3 或更新版本。

  5. 透過執行 pip install pyopenssl 來安裝 pyOpenSSL。

  6. 複製 demos/ota/bootloader/utility/codesigner_cert_utility/ 路徑中格式為 .pem 的程式碼簽署憑證。將該憑證檔案重新命名為 aws_ota_codesigner_certificate.pem。

  7. 開啟 freertos/vendors/vendor/boards/board/aws_demos/config_files/aws_demo_config.h、註解 #define CONFIG_CORE_MQTT_MUTUAL_AUTH_DEMO_ENABLED，並定義 CONFIG_OTA_MQTT_UPDATE_DEMO_ENABLED或 CONFIG_OTA_HTTP_UPDATE_DEMO_ENABLED。

  8. 建置解決方案並確認過程中沒有發生任何錯誤。

  9. 啟動終端機模擬器，並使用以下設定來連線到您的電路板：

    • 傳輸速率：115200

    • 資料位元：8

    • 同位：無

    • 停止位元：1

  10. 從電路板中拔除偵錯器，並在電路板上執行專案，以確認它可以連線至 Wi-Fi 和 AWS IoT MQTT 訊息代理程式。

當您執行專案時，MPLAB X IDE 應會開啟輸出視窗。確認已選取 ICD4 索引標籤。您應該會看到下列輸出。

Bootloader version 00.09.00
[prvBOOT_Init] Watchdog timer initialized.
[prvBOOT_Init] Crypto initialized.

[prvValidateImage] Validating image at Bank : 0
[prvValidateImage] No application image or magic code present at: 0xbd000000
[prvBOOT_ValidateImages] Validation failed for image at 0xbd000000

[prvValidateImage] Validating image at Bank : 1
[prvValidateImage] No application image or magic code present at: 0xbd100000
[prvBOOT_ValidateImages] Validation failed for image at 0xbd100000

[prvBOOT_ValidateImages] Booting default image.


>0 36246 [IP-task] vDHCPProcess: offer ac140a0eip
                                                 1 36297 [IP-task] vDHCPProcess: offer ac140a0eip
                 2 36297 [IP-task]

IP Address: 172.20.10.14
3 36297 [IP-task] Subnet Mask: 255.255.255.240
4 36297 [IP-task] Gateway Address: 172.20.10.1
5 36297 [IP-task] DNS Server Address: 172.20.10.1


6 36299 [OTA] OTA demo version 0.9.2
7 36299 [OTA] Creating MQTT Client...
8 36299 [OTA] Connecting to broker...
9 38673 [OTA] Connected to broker.
10 38793 [OTA Task] [prvSubscribeToJobNotificationTopics] OK: $aws/things/devthingota/jobs/$next/get/accepted
11 38863 [OTA Task] [prvSubscribeToJobNotificationTopics] OK: $aws/things/devthingota/jobs/notify-next
12 38863 [OTA Task] [OTA_CheckForUpdate] Request #0
13 38964 [OTA] [OTA_AgentInit] Ready.
14 38973 [OTA Task] [prvParseJSONbyModel] Extracted parameter [ clientToken: 0:devthingota ]
15 38973 [OTA Task] [prvParseJSONbyModel] parameter not present: execution
16 38973 [OTA Task] [prvParseJSONbyModel] parameter not present: jobId
17 38973 [OTA Task] [prvParseJSONbyModel] parameter not present: jobDocument
18 38973 [OTA Task] [prvParseJSONbyModel] parameter not present: streamname
19 38973 [OTA Task] [prvParseJSONbyModel] parameter not present: files
20 38975 [OTA Task] [prvParseJSONbyModel] parameter not present: filepath
21 38975 [OTA Task] [prvParseJSONbyModel] parameter not present: filesize
22 38975 [OTA Task] [prvParseJSONbyModel] parameter not present: fileid
23 38975 [OTA Task] [prvParseJSONbyModel] parameter not present: certfile
24 38975 [OTA Task] [prvParseJSONbyModel] parameter not present: sig-sha256-ecdsa
25 38975 [OTA Task] [prvParseJobDoc] Ignoring job without ID.
26 38975 [OTA Task] [prvOTA_Close] Context->0x8003b620
27 38975 [OTA Task] [prvPAL_Abort] Abort - OK
28 39964 [OTA] State: Ready  Received: 1   Queued: 1   Processed: 1   Dropped: 0
29 40964 [OTA] State: Ready  Received: 1   Queued: 1   Processed: 1   Dropped: 0
30 41964 [OTA] State: Ready  Received: 1   Queued: 1   Processed: 1   Dropped: 0
31 42964 [OTA] State: Ready  Received: 1   Queued: 1   Processed: 1   Dropped: 0
32 43964 [OTA] State: Ready  Received: 1   Queued: 1   Processed: 1   Dropped: 0
33 44964 [OTA] State: Ready  Received: 1   Queued: 1   Processed: 1   Dropped: 0
34 45964 [OTA] State: Ready  Received: 1   Queued: 1   Processed: 1   Dropped: 0
35 46964 [OTA] State: Ready  Received: 1   Queued: 1   Processed: 1   Dropped: 0
36 47964 [OTA] State: Ready  Received: 1   Queued: 1   Processed: 1   Dropped: 0

終端機模擬器應會顯示與以下內容相似的文字：

AWS Validate: no valid signature in descr: 0xbd000000
AWS Validate: no valid signature in descr: 0xbd100000


>AWS Launch:  No Map performed. Running directly from address: 0x9d000020?
AWS Launch:  wait for app at: 0x9d000020
WILC1000: Initializing...
0 0 

>[None] Seed for randomizer: 1172751941
1 0 [None] Random numbers: 00004272 00003B34 00000602 00002DE3
Chip ID 1503a0

[spi_cmd_rsp][356][nmi spi]: Failed cmd response read, bus error...

[spi_read_reg][1086][nmi spi]: Failed cmd response, read reg (0000108c)...

[spi_read_reg][1116]Reset and retry 10 108c

Firmware ver. : 4.2.1

Min driver ver : 4.2.1

Curr driver ver: 4.2.1

WILC1000: Initialization successful!

Start Wi-Fi Connection...
Wi-Fi Connected
2 7219 [IP-task] vDHCPProcess: offer c0a804beip
3 7230 [IP-task] vDHCPProcess: offer c0a804beip
4 7230 [IP-task] 

IP Address: 192.168.4.190
5 7230 [IP-task] Subnet Mask: 255.255.240.0
6 7230 [IP-task] Gateway Address: 192.168.0.1
7 7230 [IP-task] DNS Server Address: 208.67.222.222


8 7232 [OTA] OTA demo version 0.9.0
9 7232 [OTA] Creating MQTT Client...
10 7232 [OTA] Connecting to broker...
11 7232 [OTA] Sending command to MQTT task.
12 7232 [MQTT] Received message 10000 from queue.
13 8501 [IP-task] Socket sending wakeup to MQTT task.
14 10207 [MQTT] Received message 0 from queue.
15 10256 [IP-task] Socket sending wakeup to MQTT task.
16 10256 [MQTT] Received message 0 from queue.
17 10256 [MQTT] MQTT Connect was accepted. Connection established.
18 10256 [MQTT] Notifying task.
19 10257 [OTA] Command sent to MQTT task passed.
20 10257 [OTA] Connected to broker.
21 10258 [OTA Task] Sending command to MQTT task.
22 10258 [MQTT] Received message 20000 from queue.
23 10306 [IP-task] Socket sending wakeup to MQTT task.
24 10306 [MQTT] Received message 0 from queue.
25 10306 [MQTT] MQTT Subscribe was accepted. Subscribed.
26 10306 [MQTT] Notifying task.
27 10307 [OTA Task] Command sent to MQTT task passed.
28 10307 [OTA Task] [OTA] Subscribed to topic: $aws/things/Microchip/jobs/$next/get/accepted

29 10307 [OTA Task] Sending command to MQTT task.
30 10307 [MQTT] Received message 30000 from queue.
31 10336 [IP-task] Socket sending wakeup to MQTT task.
32 10336 [MQTT] Received message 0 from queue.
33 10336 [MQTT] MQTT Subscribe was accepted. Subscribed.
34 10336 [MQTT] Notifying task.
35 10336 [OTA Task] Command sent to MQTT task passed.
36 10336 [OTA Task] [OTA] Subscribed to topic: $aws/things/Microchip/jobs/notify-next

37 10336 [OTA Task] [OTA] Check For Update #0
38 10336 [OTA Task] Sending command to MQTT task.
39 10336 [MQTT] Received message 40000 from queue.
40 10366 [IP-task] Socket sending wakeup to MQTT task.
41 10366 [MQTT] Received message 0 from queue.
42 10366 [MQTT] MQTT Publish was successful.
43 10366 [MQTT] Notifying task.
44 10366 [OTA Task] Command sent to MQTT task passed.
45 10376 [IP-task] Socket sending wakeup to MQTT task.
46 10376 [MQTT] Received message 0 from queue.
47 10376 [OTA Task] [OTA] Set job doc parameter [ clientToken: 0:Microchip ]
48 10376 [OTA Task] [OTA] Missing job parameter: execution
49 10376 [OTA Task] [OTA] Missing job parameter: jobId
50 10376 [OTA Task] [OTA] Missing job parameter: jobDocument
51 10378 [OTA Task] [OTA] Missing job parameter: ts_ota
52 10378 [OTA Task] [OTA] Missing job parameter: files
53 10378 [OTA Task] [OTA] Missing job parameter: streamname
54 10378 [OTA Task] [OTA] Missing job parameter: certfile
55 10378 [OTA Task] [OTA] Missing job parameter: filepath
56 10378 [OTA Task] [OTA] Missing job parameter: filesize
57 10378 [OTA Task] [OTA] Missing job parameter: sig-sha256-ecdsa
58 10378 [OTA Task] [OTA] Missing job parameter: fileid
59 10378 [OTA Task] [OTA] Missing job parameter: attr
60 10378 [OTA Task] [OTA] Returned buffer to MQTT Client.
61 11367 [OTA] [OTA] Queued: 1   Processed: 1   Dropped: 0
62 12367 [OTA] [OTA] Queued: 1   Processed: 1   Dropped: 0
63 13367 [OTA] [OTA] Queued: 1   Processed: 1   Dropped: 0
64 14367 [OTA] [OTA] Queued: 1   Processed: 1   Dropped: 0
65 15367 [OTA] [OTA] Queued: 1   Processed: 1   Dropped: 0
66 16367 [OTA] [OTA] Queued: 1   Processed: 1   Dropped: 0

此輸出顯示 Microchip Curiosity PIC32MZEF 可以連線至 AWS IoT 並訂閱 OTA 更新所需的 MQTT 主題。Missing job parameter 訊息是在預期中的內容，因為沒有任何擱置中的 OTA 更新任務。