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Fix buffer sync issue in camera raw bytes example#143

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Merged
facchinm merged 8 commits intoarduino:masterfromsebromero:camera-example
Feb 23, 2021

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@sebromero
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Adds a very basic synchronization to the Arduino and Processing sketch to make sure the buffer doesn't get out of sync.
Here is the before / after comparison:

Before

After

@sebromerosebromero changed the titleCamera exampleFix buffer sync issue in camera raw bytes exampleFeb 22, 2021
@sebromero
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@iabdalkader Wdyt?

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Memory usage change @198d296

Boardflash%RAM for global variables%
arduino:mbed:envie_m40 - 00.0 - 0.00 - 00.0 - 0.0
arduino:mbed:envie_m70 - 00.0 - 0.00 - 00.0 - 0.0
arduino:mbed:nano33ble0 - 00.0 - 0.00 - 00.0 - 0.0
Click for full report table
Boardlibraries/Scheduler/examples/MultipleBlinks
flash		%libraries/Scheduler/examples/MultipleBlinks
RAM for global variables		%libraries/doom/examples/Doom
flash		%libraries/doom/examples/Doom
RAM for global variables		%libraries/KernelDebug/examples/KernelDebug
flash		%libraries/KernelDebug/examples/KernelDebug
RAM for global variables		%libraries/Portenta_SDCARD/examples/TestSDCARD
flash		%libraries/Portenta_SDCARD/examples/TestSDCARD
RAM for global variables		%libraries/Portenta_Video/examples/Envie_video_coreboot
flash		%libraries/Portenta_Video/examples/Envie_video_coreboot
RAM for global variables		%libraries/Portenta_System/examples/PortentaH7_getBootloaderInfo
flash		%libraries/Portenta_System/examples/PortentaH7_getBootloaderInfo
RAM for global variables		%libraries/Portenta_System/examples/PortentaH7_updateBootloader
flash		%libraries/Portenta_System/examples/PortentaH7_updateBootloader
RAM for global variables		%libraries/ThreadDebug/examples/ThreadDebug
flash		%libraries/ThreadDebug/examples/ThreadDebug
RAM for global variables		%libraries/USBHOST/examples/KeyboardController
flash		%libraries/USBHOST/examples/KeyboardController
RAM for global variables		%libraries/USBHOST/examples/Shell
flash		%libraries/USBHOST/examples/Shell
RAM for global variables		%libraries/WiFi/examples/PortentaWiFiFirmwareUpdater
flash		%libraries/WiFi/examples/PortentaWiFiFirmwareUpdater
RAM for global variables		%libraries/PDM/examples/PDMSerialPlotter
flash		%libraries/PDM/examples/PDMSerialPlotter
RAM for global variables		%
arduino:mbed:envie_m400.000.000.000.000.000.000.000.000.000.0
arduino:mbed:envie_m700.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.0
arduino:mbed:nano33ble00.000.000.000.000.000.0
Click for full report CSV
Board,libraries/Scheduler/examples/MultipleBlinks<br>flash,%,libraries/Scheduler/examples/MultipleBlinks<br>RAM for global variables,%,libraries/doom/examples/Doom<br>flash,%,libraries/doom/examples/Doom<br>RAM for global variables,%,libraries/KernelDebug/examples/KernelDebug<br>flash,%,libraries/KernelDebug/examples/KernelDebug<br>RAM for global variables,%,libraries/Portenta_SDCARD/examples/TestSDCARD<br>flash,%,libraries/Portenta_SDCARD/examples/TestSDCARD<br>RAM for global variables,%,libraries/Portenta_Video/examples/Envie_video_coreboot<br>flash,%,libraries/Portenta_Video/examples/Envie_video_coreboot<br>RAM for global variables,%,libraries/Portenta_System/examples/PortentaH7_getBootloaderInfo<br>flash,%,libraries/Portenta_System/examples/PortentaH7_getBootloaderInfo<br>RAM for global variables,%,libraries/Portenta_System/examples/PortentaH7_updateBootloader<br>flash,%,libraries/Portenta_System/examples/PortentaH7_updateBootloader<br>RAM for global variables,%,libraries/ThreadDebug/examples/ThreadDebug<br>flash,%,libraries/ThreadDebug/examples/ThreadDebug<br>RAM for global variables,%,libraries/USBHOST/examples/KeyboardController<br>flash,%,libraries/USBHOST/examples/KeyboardController<br>RAM for global variables,%,libraries/USBHOST/examples/Shell<br>flash,%,libraries/USBHOST/examples/Shell<br>RAM for global variables,%,libraries/WiFi/examples/PortentaWiFiFirmwareUpdater<br>flash,%,libraries/WiFi/examples/PortentaWiFiFirmwareUpdater<br>RAM for global variables,%,libraries/PDM/examples/PDMSerialPlotter<br>flash,%,libraries/PDM/examples/PDMSerialPlotter<br>RAM for global variables,%arduino:mbed:envie_m4,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0arduino:mbed:envie_m7,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0arduino:mbed:nano33ble,0,0.0,0,0.0,,,,,,,,,,,,,,,,,,,,,,,,,0,0.0,0,0.0,,,,,,,,,,,,,0,0.0,0,0.0

@iabdalkader
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You might want to add a timeout in the pde.

@sebromero
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You might want to add a timeout in the pde.

@iabdalkader Can you elaborate? Timeout for what condition?

@iabdalkader
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@sebromero If the sketch misses even a single byte, the cam and the sketch will deadlock. Adding a 1 second ? timeout in the pde may allow it to recover from that without restarting the sketch. Just a suggestion but otherwise it looks good.

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Memory usage change @ee49989

Boardflash%RAM for global variables%
arduino:mbed:envie_m40 - 00.0 - 0.00 - 00.0 - 0.0
arduino:mbed:envie_m70 - 00.0 - 0.00 - 00.0 - 0.0
arduino:mbed:nano33ble0 - 00.0 - 0.00 - 00.0 - 0.0
Click for full report table
Boardlibraries/Scheduler/examples/MultipleBlinks
flash		%libraries/Scheduler/examples/MultipleBlinks
RAM for global variables		%libraries/doom/examples/Doom
flash		%libraries/doom/examples/Doom
RAM for global variables		%libraries/KernelDebug/examples/KernelDebug
flash		%libraries/KernelDebug/examples/KernelDebug
RAM for global variables		%libraries/Portenta_SDCARD/examples/TestSDCARD
flash		%libraries/Portenta_SDCARD/examples/TestSDCARD
RAM for global variables		%libraries/Portenta_Video/examples/Envie_video_coreboot
flash		%libraries/Portenta_Video/examples/Envie_video_coreboot
RAM for global variables		%libraries/Portenta_System/examples/PortentaH7_getBootloaderInfo
flash		%libraries/Portenta_System/examples/PortentaH7_getBootloaderInfo
RAM for global variables		%libraries/Portenta_System/examples/PortentaH7_updateBootloader
flash		%libraries/Portenta_System/examples/PortentaH7_updateBootloader
RAM for global variables		%libraries/ThreadDebug/examples/ThreadDebug
flash		%libraries/ThreadDebug/examples/ThreadDebug
RAM for global variables		%libraries/USBHOST/examples/KeyboardController
flash		%libraries/USBHOST/examples/KeyboardController
RAM for global variables		%libraries/USBHOST/examples/Shell
flash		%libraries/USBHOST/examples/Shell
RAM for global variables		%libraries/WiFi/examples/PortentaWiFiFirmwareUpdater
flash		%libraries/WiFi/examples/PortentaWiFiFirmwareUpdater
RAM for global variables		%libraries/PDM/examples/PDMSerialPlotter
flash		%libraries/PDM/examples/PDMSerialPlotter
RAM for global variables		%
arduino:mbed:envie_m400.000.000.000.000.000.000.000.000.000.0
arduino:mbed:envie_m700.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.0
arduino:mbed:nano33ble00.000.000.000.000.000.0
Click for full report CSV
Board,libraries/Scheduler/examples/MultipleBlinks<br>flash,%,libraries/Scheduler/examples/MultipleBlinks<br>RAM for global variables,%,libraries/doom/examples/Doom<br>flash,%,libraries/doom/examples/Doom<br>RAM for global variables,%,libraries/KernelDebug/examples/KernelDebug<br>flash,%,libraries/KernelDebug/examples/KernelDebug<br>RAM for global variables,%,libraries/Portenta_SDCARD/examples/TestSDCARD<br>flash,%,libraries/Portenta_SDCARD/examples/TestSDCARD<br>RAM for global variables,%,libraries/Portenta_Video/examples/Envie_video_coreboot<br>flash,%,libraries/Portenta_Video/examples/Envie_video_coreboot<br>RAM for global variables,%,libraries/Portenta_System/examples/PortentaH7_getBootloaderInfo<br>flash,%,libraries/Portenta_System/examples/PortentaH7_getBootloaderInfo<br>RAM for global variables,%,libraries/Portenta_System/examples/PortentaH7_updateBootloader<br>flash,%,libraries/Portenta_System/examples/PortentaH7_updateBootloader<br>RAM for global variables,%,libraries/ThreadDebug/examples/ThreadDebug<br>flash,%,libraries/ThreadDebug/examples/ThreadDebug<br>RAM for global variables,%,libraries/USBHOST/examples/KeyboardController<br>flash,%,libraries/USBHOST/examples/KeyboardController<br>RAM for global variables,%,libraries/USBHOST/examples/Shell<br>flash,%,libraries/USBHOST/examples/Shell<br>RAM for global variables,%,libraries/WiFi/examples/PortentaWiFiFirmwareUpdater<br>flash,%,libraries/WiFi/examples/PortentaWiFiFirmwareUpdater<br>RAM for global variables,%,libraries/PDM/examples/PDMSerialPlotter<br>flash,%,libraries/PDM/examples/PDMSerialPlotter<br>RAM for global variables,%arduino:mbed:envie_m4,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0arduino:mbed:envie_m7,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0arduino:mbed:nano33ble,0,0.0,0,0.0,,,,,,,,,,,,,,,,,,,,,,,,,0,0.0,0,0.0,,,,,,,,,,,,,0,0.0,0,0.0

@sebromero
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@iabdalkader Makes sense. Added it 👍

iabdalkader reacted with thumbs up emoji

@github-actions
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Memory usage change @bf30ea8

Boardflash%RAM for global variables%
arduino:mbed:envie_m40 - 00.0 - 0.00 - 00.0 - 0.0
arduino:mbed:envie_m70 - 00.0 - 0.00 - 00.0 - 0.0
arduino:mbed:nano33ble0 - 00.0 - 0.00 - 00.0 - 0.0
Click for full report table
Boardlibraries/Scheduler/examples/MultipleBlinks
flash		%libraries/Scheduler/examples/MultipleBlinks
RAM for global variables		%libraries/doom/examples/Doom
flash		%libraries/doom/examples/Doom
RAM for global variables		%libraries/KernelDebug/examples/KernelDebug
flash		%libraries/KernelDebug/examples/KernelDebug
RAM for global variables		%libraries/Portenta_SDCARD/examples/TestSDCARD
flash		%libraries/Portenta_SDCARD/examples/TestSDCARD
RAM for global variables		%libraries/Portenta_Video/examples/Envie_video_coreboot
flash		%libraries/Portenta_Video/examples/Envie_video_coreboot
RAM for global variables		%libraries/Portenta_System/examples/PortentaH7_getBootloaderInfo
flash		%libraries/Portenta_System/examples/PortentaH7_getBootloaderInfo
RAM for global variables		%libraries/Portenta_System/examples/PortentaH7_updateBootloader
flash		%libraries/Portenta_System/examples/PortentaH7_updateBootloader
RAM for global variables		%libraries/ThreadDebug/examples/ThreadDebug
flash		%libraries/ThreadDebug/examples/ThreadDebug
RAM for global variables		%libraries/USBHOST/examples/KeyboardController
flash		%libraries/USBHOST/examples/KeyboardController
RAM for global variables		%libraries/USBHOST/examples/Shell
flash		%libraries/USBHOST/examples/Shell
RAM for global variables		%libraries/WiFi/examples/PortentaWiFiFirmwareUpdater
flash		%libraries/WiFi/examples/PortentaWiFiFirmwareUpdater
RAM for global variables		%libraries/PDM/examples/PDMSerialPlotter
flash		%libraries/PDM/examples/PDMSerialPlotter
RAM for global variables		%
arduino:mbed:envie_m400.000.000.000.000.000.000.000.000.000.0
arduino:mbed:envie_m700.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.0
arduino:mbed:nano33ble00.000.000.000.000.000.0
Click for full report CSV
Board,libraries/Scheduler/examples/MultipleBlinks<br>flash,%,libraries/Scheduler/examples/MultipleBlinks<br>RAM for global variables,%,libraries/doom/examples/Doom<br>flash,%,libraries/doom/examples/Doom<br>RAM for global variables,%,libraries/KernelDebug/examples/KernelDebug<br>flash,%,libraries/KernelDebug/examples/KernelDebug<br>RAM for global variables,%,libraries/Portenta_SDCARD/examples/TestSDCARD<br>flash,%,libraries/Portenta_SDCARD/examples/TestSDCARD<br>RAM for global variables,%,libraries/Portenta_Video/examples/Envie_video_coreboot<br>flash,%,libraries/Portenta_Video/examples/Envie_video_coreboot<br>RAM for global variables,%,libraries/Portenta_System/examples/PortentaH7_getBootloaderInfo<br>flash,%,libraries/Portenta_System/examples/PortentaH7_getBootloaderInfo<br>RAM for global variables,%,libraries/Portenta_System/examples/PortentaH7_updateBootloader<br>flash,%,libraries/Portenta_System/examples/PortentaH7_updateBootloader<br>RAM for global variables,%,libraries/ThreadDebug/examples/ThreadDebug<br>flash,%,libraries/ThreadDebug/examples/ThreadDebug<br>RAM for global variables,%,libraries/USBHOST/examples/KeyboardController<br>flash,%,libraries/USBHOST/examples/KeyboardController<br>RAM for global variables,%,libraries/USBHOST/examples/Shell<br>flash,%,libraries/USBHOST/examples/Shell<br>RAM for global variables,%,libraries/WiFi/examples/PortentaWiFiFirmwareUpdater<br>flash,%,libraries/WiFi/examples/PortentaWiFiFirmwareUpdater<br>RAM for global variables,%,libraries/PDM/examples/PDMSerialPlotter<br>flash,%,libraries/PDM/examples/PDMSerialPlotter<br>RAM for global variables,%arduino:mbed:envie_m4,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0arduino:mbed:envie_m7,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0arduino:mbed:nano33ble,0,0.0,0,0.0,,,,,,,,,,,,,,,,,,,,,,,,,0,0.0,0,0.0,,,,,,,,,,,,,0,0.0,0,0.0

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Memory usage change @da37f87

Boardflash%RAM for global variables%
arduino:mbed:envie_m40 - 00.0 - 0.00 - 00.0 - 0.0
arduino:mbed:envie_m70 - 00.0 - 0.00 - 00.0 - 0.0
arduino:mbed:nano33ble0 - 00.0 - 0.00 - 00.0 - 0.0
Click for full report table
Boardlibraries/Scheduler/examples/MultipleBlinks
flash		%libraries/Scheduler/examples/MultipleBlinks
RAM for global variables		%libraries/doom/examples/Doom
flash		%libraries/doom/examples/Doom
RAM for global variables		%libraries/KernelDebug/examples/KernelDebug
flash		%libraries/KernelDebug/examples/KernelDebug
RAM for global variables		%libraries/Portenta_SDCARD/examples/TestSDCARD
flash		%libraries/Portenta_SDCARD/examples/TestSDCARD
RAM for global variables		%libraries/Portenta_Video/examples/Envie_video_coreboot
flash		%libraries/Portenta_Video/examples/Envie_video_coreboot
RAM for global variables		%libraries/Portenta_System/examples/PortentaH7_getBootloaderInfo
flash		%libraries/Portenta_System/examples/PortentaH7_getBootloaderInfo
RAM for global variables		%libraries/Portenta_System/examples/PortentaH7_updateBootloader
flash		%libraries/Portenta_System/examples/PortentaH7_updateBootloader
RAM for global variables		%libraries/ThreadDebug/examples/ThreadDebug
flash		%libraries/ThreadDebug/examples/ThreadDebug
RAM for global variables		%libraries/USBHOST/examples/KeyboardController
flash		%libraries/USBHOST/examples/KeyboardController
RAM for global variables		%libraries/USBHOST/examples/Shell
flash		%libraries/USBHOST/examples/Shell
RAM for global variables		%libraries/WiFi/examples/PortentaWiFiFirmwareUpdater
flash		%libraries/WiFi/examples/PortentaWiFiFirmwareUpdater
RAM for global variables		%libraries/PDM/examples/PDMSerialPlotter
flash		%libraries/PDM/examples/PDMSerialPlotter
RAM for global variables		%
arduino:mbed:envie_m400.000.000.000.000.000.000.000.000.000.0
arduino:mbed:envie_m700.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.0
arduino:mbed:nano33ble00.000.000.000.000.000.0
Click for full report CSV
Board,libraries/Scheduler/examples/MultipleBlinks<br>flash,%,libraries/Scheduler/examples/MultipleBlinks<br>RAM for global variables,%,libraries/doom/examples/Doom<br>flash,%,libraries/doom/examples/Doom<br>RAM for global variables,%,libraries/KernelDebug/examples/KernelDebug<br>flash,%,libraries/KernelDebug/examples/KernelDebug<br>RAM for global variables,%,libraries/Portenta_SDCARD/examples/TestSDCARD<br>flash,%,libraries/Portenta_SDCARD/examples/TestSDCARD<br>RAM for global variables,%,libraries/Portenta_Video/examples/Envie_video_coreboot<br>flash,%,libraries/Portenta_Video/examples/Envie_video_coreboot<br>RAM for global variables,%,libraries/Portenta_System/examples/PortentaH7_getBootloaderInfo<br>flash,%,libraries/Portenta_System/examples/PortentaH7_getBootloaderInfo<br>RAM for global variables,%,libraries/Portenta_System/examples/PortentaH7_updateBootloader<br>flash,%,libraries/Portenta_System/examples/PortentaH7_updateBootloader<br>RAM for global variables,%,libraries/ThreadDebug/examples/ThreadDebug<br>flash,%,libraries/ThreadDebug/examples/ThreadDebug<br>RAM for global variables,%,libraries/USBHOST/examples/KeyboardController<br>flash,%,libraries/USBHOST/examples/KeyboardController<br>RAM for global variables,%,libraries/USBHOST/examples/Shell<br>flash,%,libraries/USBHOST/examples/Shell<br>RAM for global variables,%,libraries/WiFi/examples/PortentaWiFiFirmwareUpdater<br>flash,%,libraries/WiFi/examples/PortentaWiFiFirmwareUpdater<br>RAM for global variables,%,libraries/PDM/examples/PDMSerialPlotter<br>flash,%,libraries/PDM/examples/PDMSerialPlotter<br>RAM for global variables,%arduino:mbed:envie_m4,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0arduino:mbed:envie_m7,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0arduino:mbed:nano33ble,0,0.0,0,0.0,,,,,,,,,,,,,,,,,,,,,,,,,0,0.0,0,0.0,,,,,,,,,,,,,0,0.0,0,0.0

@facchinmfacchinm merged commit66f1f03 intoarduino:masterFeb 23, 2021
@sebromerosebromero deleted the camera-example branchFebruary 24, 2021 08:43
@gargoyle777
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i'm still having the exact same problem. i'm using the last released exemple by the way.

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