Teensy 3.6: how to port "Arducam Mini Module 2mp" to Teensy?

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XFer

Well-known member
Hello,
I'd like to drive my Arducam Mini Module 2mp (OV2640) from my Teensy 3.6 (taking timelapse JPEG stills and saving to onboard SD).

The "official" Arducam library is here:
https://github.com/ArduCAM/Arduino

I've tried building the included "functions" sample sketch with Arduino IDE 1.8.7 (Teensyduino 1.44):
https://github.com/ArduCAM/Arduino/...amples/mini/ArduCAM_Mini_2MP_OV2640_functions

but I get this build error:


F:\Arduino\libraries\ArduCAM/ArduCAM.h:713:2: error: 'regtype' does not name a type

regtype *P_CS;

^

F:\Arduino\libraries\ArduCAM/ArduCAM.h:714:2: error: 'regsize' does not name a type

regsize B_CS;


Selecting an Arduino board, the sketch builds correctly.

Full build log:

Code: 
C:\Program Files (x86)\Arduino\arduino-builder -dump-prefs -logger=machine -hardware C:\Program Files (x86)\Arduino\hardware -hardware C:\Users\Fernando\AppData\Local\Arduino15\packages -hardware F:\Arduino\hardware -tools C:\Program Files (x86)\Arduino\tools-builder -tools C:\Program Files (x86)\Arduino\hardware\tools\avr -tools C:\Users\Fernando\AppData\Local\Arduino15\packages -built-in-libraries C:\Program Files (x86)\Arduino\libraries -libraries F:\Arduino\libraries -fqbn=teensy:avr:teensy36:usb=serial,speed=180,opt=o2std,keys=en-us -ide-version=10807 -build-path d:\temp\arduino_build_601000 -warnings=none -build-cache d:\temp\arduino_cache_523679 -verbose F:\Arduino\libraries\ArduCAM\examples\mini\ArduCAM_Mini_2MP_OV2640_functions\ArduCAM_Mini_2MP_OV2640_functions.ino
C:\Program Files (x86)\Arduino\arduino-builder -compile -logger=machine -hardware C:\Program Files (x86)\Arduino\hardware -hardware C:\Users\Fernando\AppData\Local\Arduino15\packages -hardware F:\Arduino\hardware -tools C:\Program Files (x86)\Arduino\tools-builder -tools C:\Program Files (x86)\Arduino\hardware\tools\avr -tools C:\Users\Fernando\AppData\Local\Arduino15\packages -built-in-libraries C:\Program Files (x86)\Arduino\libraries -libraries F:\Arduino\libraries -fqbn=teensy:avr:teensy36:usb=serial,speed=180,opt=o2std,keys=en-us -ide-version=10807 -build-path d:\temp\arduino_build_601000 -warnings=none -build-cache d:\temp\arduino_cache_523679 -verbose F:\Arduino\libraries\ArduCAM\examples\mini\ArduCAM_Mini_2MP_OV2640_functions\ArduCAM_Mini_2MP_OV2640_functions.ino
Using board 'teensy36' from platform in folder: C:\Program Files (x86)\Arduino\hardware\teensy\avr
Using core 'teensy3' from platform in folder: C:\Program Files (x86)\Arduino\hardware\teensy\avr
Warning: Board breadboard:avr:atmega328bb doesn't define a 'build.board' preference. Auto-set to: AVR_ATMEGA328BB
Detecting libraries used...
"C:\\Program Files (x86)\\Arduino\\hardware\\teensy/../tools/arm/bin/arm-none-eabi-g++" -E -CC -x c++ -w -g -Wall -ffunction-sections -fdata-sections -nostdlib -fno-exceptions -felide-constructors -std=gnu++14 -Wno-error=narrowing -fno-rtti -mthumb -mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16 -fsingle-precision-constant -D__MK66FX1M0__ -DTEENSYDUINO=144 -DARDUINO=10807 -DF_CPU=180000000 -DUSB_SERIAL -DLAYOUT_US_ENGLISH "-IC:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr\\cores\\teensy3" "d:\\temp\\arduino_build_601000\\sketch\\ArduCAM_Mini_2MP_OV2640_functions.ino.cpp" -o nul
"C:\\Program Files (x86)\\Arduino\\hardware\\teensy/../tools/arm/bin/arm-none-eabi-g++" -E -CC -x c++ -w -g -Wall -ffunction-sections -fdata-sections -nostdlib -fno-exceptions -felide-constructors -std=gnu++14 -Wno-error=narrowing -fno-rtti -mthumb -mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16 -fsingle-precision-constant -D__MK66FX1M0__ -DTEENSYDUINO=144 -DARDUINO=10807 -DF_CPU=180000000 -DUSB_SERIAL -DLAYOUT_US_ENGLISH "-IC:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr\\cores\\teensy3" "-IC:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr\\libraries\\Wire" "d:\\temp\\arduino_build_601000\\sketch\\ArduCAM_Mini_2MP_OV2640_functions.ino.cpp" -o nul
"C:\\Program Files (x86)\\Arduino\\hardware\\teensy/../tools/arm/bin/arm-none-eabi-g++" -E -CC -x c++ -w -g -Wall -ffunction-sections -fdata-sections -nostdlib -fno-exceptions -felide-constructors -std=gnu++14 -Wno-error=narrowing -fno-rtti -mthumb -mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16 -fsingle-precision-constant -D__MK66FX1M0__ -DTEENSYDUINO=144 -DARDUINO=10807 -DF_CPU=180000000 -DUSB_SERIAL -DLAYOUT_US_ENGLISH "-IC:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr\\cores\\teensy3" "-IC:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr\\libraries\\Wire" "-IF:\\Arduino\\libraries\\ArduCAM" "d:\\temp\\arduino_build_601000\\sketch\\ArduCAM_Mini_2MP_OV2640_functions.ino.cpp" -o nul
"C:\\Program Files (x86)\\Arduino\\hardware\\teensy/../tools/arm/bin/arm-none-eabi-g++" -E -CC -x c++ -w -g -Wall -ffunction-sections -fdata-sections -nostdlib -fno-exceptions -felide-constructors -std=gnu++14 -Wno-error=narrowing -fno-rtti -mthumb -mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16 -fsingle-precision-constant -D__MK66FX1M0__ -DTEENSYDUINO=144 -DARDUINO=10807 -DF_CPU=180000000 -DUSB_SERIAL -DLAYOUT_US_ENGLISH "-IC:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr\\cores\\teensy3" "-IC:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr\\libraries\\Wire" "-IF:\\Arduino\\libraries\\ArduCAM" "-IC:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr\\libraries\\SPI" "d:\\temp\\arduino_build_601000\\sketch\\ArduCAM_Mini_2MP_OV2640_functions.ino.cpp" -o nul
"C:\\Program Files (x86)\\Arduino\\hardware\\teensy/../tools/arm/bin/arm-none-eabi-g++" -E -CC -x c++ -w -g -Wall -ffunction-sections -fdata-sections -nostdlib -fno-exceptions -felide-constructors -std=gnu++14 -Wno-error=narrowing -fno-rtti -mthumb -mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16 -fsingle-precision-constant -D__MK66FX1M0__ -DTEENSYDUINO=144 -DARDUINO=10807 -DF_CPU=180000000 -DUSB_SERIAL -DLAYOUT_US_ENGLISH "-IC:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr\\cores\\teensy3" "-IC:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr\\libraries\\Wire" "-IF:\\Arduino\\libraries\\ArduCAM" "-IC:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr\\libraries\\SPI" "-IC:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr\\libraries\\Wire\\utility" "C:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr\\libraries\\Wire\\Wire.cpp" -o nul
"C:\\Program Files (x86)\\Arduino\\hardware\\teensy/../tools/arm/bin/arm-none-eabi-g++" -E -CC -x c++ -w -g -Wall -ffunction-sections -fdata-sections -nostdlib -fno-exceptions -felide-constructors -std=gnu++14 -Wno-error=narrowing -fno-rtti -mthumb -mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16 -fsingle-precision-constant -D__MK66FX1M0__ -DTEENSYDUINO=144 -DARDUINO=10807 -DF_CPU=180000000 -DUSB_SERIAL -DLAYOUT_US_ENGLISH "-IC:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr\\cores\\teensy3" "-IC:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr\\libraries\\Wire" "-IF:\\Arduino\\libraries\\ArduCAM" "-IC:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr\\libraries\\SPI" "-IC:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr\\libraries\\Wire\\utility" "C:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr\\libraries\\Wire\\WireKinetis.cpp" -o nul
"C:\\Program Files (x86)\\Arduino\\hardware\\teensy/../tools/arm/bin/arm-none-eabi-g++" -E -CC -x c++ -w -g -Wall -ffunction-sections -fdata-sections -nostdlib -fno-exceptions -felide-constructors -std=gnu++14 -Wno-error=narrowing -fno-rtti -mthumb -mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16 -fsingle-precision-constant -D__MK66FX1M0__ -DTEENSYDUINO=144 -DARDUINO=10807 -DF_CPU=180000000 -DUSB_SERIAL -DLAYOUT_US_ENGLISH "-IC:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr\\cores\\teensy3" "-IC:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr\\libraries\\Wire" "-IF:\\Arduino\\libraries\\ArduCAM" "-IC:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr\\libraries\\SPI" "-IC:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr\\libraries\\Wire\\utility" "C:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr\\libraries\\Wire\\utility\\twi.c" -o nul
"C:\\Program Files (x86)\\Arduino\\hardware\\teensy/../tools/arm/bin/arm-none-eabi-g++" -E -CC -x c++ -w -g -Wall -ffunction-sections -fdata-sections -nostdlib -fno-exceptions -felide-constructors -std=gnu++14 -Wno-error=narrowing -fno-rtti -mthumb -mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16 -fsingle-precision-constant -D__MK66FX1M0__ -DTEENSYDUINO=144 -DARDUINO=10807 -DF_CPU=180000000 -DUSB_SERIAL -DLAYOUT_US_ENGLISH "-IC:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr\\cores\\teensy3" "-IC:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr\\libraries\\Wire" "-IF:\\Arduino\\libraries\\ArduCAM" "-IC:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr\\libraries\\SPI" "F:\\Arduino\\libraries\\ArduCAM\\ArduCAM.cpp" -o nul
"C:\\Program Files (x86)\\Arduino\\hardware\\teensy/../tools/arm/bin/arm-none-eabi-g++" -E -CC -x c++ -w -g -Wall -ffunction-sections -fdata-sections -nostdlib -fno-exceptions -felide-constructors -std=gnu++14 -Wno-error=narrowing -fno-rtti -mthumb -mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16 -fsingle-precision-constant -D__MK66FX1M0__ -DTEENSYDUINO=144 -DARDUINO=10807 -DF_CPU=180000000 -DUSB_SERIAL -DLAYOUT_US_ENGLISH "-IC:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr\\cores\\teensy3" "-IC:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr\\libraries\\Wire" "-IF:\\Arduino\\libraries\\ArduCAM" "-IC:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr\\libraries\\SPI" "C:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr\\libraries\\SPI\\SPI.cpp" -o nul
Generating function prototypes...
"C:\\Program Files (x86)\\Arduino\\hardware\\teensy/../tools/arm/bin/arm-none-eabi-g++" -E -CC -x c++ -w -g -Wall -ffunction-sections -fdata-sections -nostdlib -fno-exceptions -felide-constructors -std=gnu++14 -Wno-error=narrowing -fno-rtti -mthumb -mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16 -fsingle-precision-constant -D__MK66FX1M0__ -DTEENSYDUINO=144 -DARDUINO=10807 -DF_CPU=180000000 -DUSB_SERIAL -DLAYOUT_US_ENGLISH "-IC:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr\\cores\\teensy3" "-IC:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr\\libraries\\Wire" "-IF:\\Arduino\\libraries\\ArduCAM" "-IC:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr\\libraries\\SPI" "d:\\temp\\arduino_build_601000\\sketch\\ArduCAM_Mini_2MP_OV2640_functions.ino.cpp" -o "d:\\temp\\arduino_build_601000\\preproc\\ctags_target_for_gcc_minus_e.cpp"
"C:\\Program Files (x86)\\Arduino\\tools-builder\\ctags\\5.8-arduino11/ctags" -u --language-force=c++ -f - --c++-kinds=svpf --fields=KSTtzns --line-directives "d:\\temp\\arduino_build_601000\\preproc\\ctags_target_for_gcc_minus_e.cpp"
Compiling sketch...
"C:\\Program Files (x86)\\Arduino\\hardware\\teensy/../tools/precompile_helper" "C:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr/cores/teensy3" "d:\\temp\\arduino_build_601000" "C:\\Program Files (x86)\\Arduino\\hardware\\teensy/../tools/arm/bin/arm-none-eabi-g++" -x c++-header -O2 -g -Wall -ffunction-sections -fdata-sections -nostdlib -MMD -fno-exceptions -felide-constructors -std=gnu++14 -Wno-error=narrowing -fno-rtti -mthumb -mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16 -fsingle-precision-constant -D__MK66FX1M0__ -DTEENSYDUINO=144 -DARDUINO=10807 -DF_CPU=180000000 -DUSB_SERIAL -DLAYOUT_US_ENGLISH "-IC:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr/cores/teensy3" "d:\\temp\\arduino_build_601000/pch/Arduino.h" -o "d:\\temp\\arduino_build_601000/pch/Arduino.h.gch"
"C:\\Program Files (x86)\\Arduino\\hardware\\teensy/../tools/arm/bin/arm-none-eabi-g++" -c -O2 -g -Wall -ffunction-sections -fdata-sections -nostdlib -MMD -fno-exceptions -felide-constructors -std=gnu++14 -Wno-error=narrowing -fno-rtti -mthumb -mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16 -fsingle-precision-constant -D__MK66FX1M0__ -DTEENSYDUINO=144 -DARDUINO=10807 -DF_CPU=180000000 -DUSB_SERIAL -DLAYOUT_US_ENGLISH "-Id:\\temp\\arduino_build_601000/pch" "-IC:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr\\cores\\teensy3" "-IC:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr\\libraries\\Wire" "-IF:\\Arduino\\libraries\\ArduCAM" "-IC:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr\\libraries\\SPI" "d:\\temp\\arduino_build_601000\\sketch\\ArduCAM_Mini_2MP_OV2640_functions.ino.cpp" -o "d:\\temp\\arduino_build_601000\\sketch\\ArduCAM_Mini_2MP_OV2640_functions.ino.cpp.o"
In file included from F:\Arduino\libraries\ArduCAM\examples\mini\ArduCAM_Mini_2MP_OV2640_functions\ArduCAM_Mini_2MP_OV2640_functions.ino:11:0:

F:\Arduino\libraries\ArduCAM/ArduCAM.h:713:2: error: 'regtype' does not name a type

  regtype *P_CS;

  ^

F:\Arduino\libraries\ArduCAM/ArduCAM.h:714:2: error: 'regsize' does not name a type

  regsize B_CS;

  ^

ArduCAM_Mini_2MP_OV2640_functions: In function 'void loop()':
ArduCAM_Mini_2MP_OV2640_functions:471: warning: unused variable 'temp_last' 
     uint8_t temp, temp_last;

                   ^

Using library Wire at version 1.0 in folder: C:\Program Files (x86)\Arduino\hardware\teensy\avr\libraries\Wire 
Using library ArduCAM in folder: F:\Arduino\libraries\ArduCAM (legacy)
Using library SPI at version 1.0 in folder: C:\Program Files (x86)\Arduino\hardware\teensy\avr\libraries\SPI 
Error compiling for board Teensy 3.6.

Looks like "something" is different in Teensy's SPI library?
Any hints?
Thanks!

Fernando
 
Nevermind... fixed regtype/regsize, but a lot more bulid errors surfaced. :(
Giving up...
 
Happy ending: latest Arducam library supports Teensies (it would not build before).
But, there's still a bug (easily fixed) on Arducam.cpp which prevents the camera module from working (SPI error).

Fix:
Arducam.cpp
Line 133:

Code: 
- 		#if (defined(ESP8266)||defined(ESP32))
+ 		#if (defined(ESP8266)||defined(ESP32)||defined(TEENSYDUINO))

The library could get better by (updating and) applying sumotoy's patches to support SPI transactions and by upping Arducam SPI speed to 8 MHz from current 4 MHz; but at least it works now!
 
Given this is a conversation on Arducam Module and Teensy 3.6, I am interested in supporting a unique sensor using the Arducam Module. I would like to take two of these unique sensor and then tie them to a Teensy 3.6 board to get the video. Is this a good approach? Seems the Teensy 3.6 is pretty powerful and the Arducam Module takes a lot of load off of the Teensy 3.6. I may want to goto a display with the images. Thoughts? Newbie here
 
Hi, this thread was about the specific "Arducam Mini 2MP Module", which is not the more general Arducam Module.
The Arducam Mini 2MP is tied to the OV2640 sensor which comes with it.

Personally, I don't know how to interface a sensor with the generic Arducam Module (which is a USB-to-various_camera_buses interface), nor how to interface the Arducam Module with a Teensy; but I think the Teensy 3.6, having the USB Host port, should work reasonably well with it, at least in theory.

Maybe others can chime in.
 
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