Search found 84 matches

by roland_vs
Thu Mar 14, 2019 12:00 pm
Forum: Programs, Libraries and Tools
Topic: STM32 MCO OUTPUT
Replies: 0
Views: 157

STM32 MCO OUTPUT

The STM32's have a possibility to bring out a clock signal called `MCO`. It takes one of the selected clock sources, puts it through a divider and brings it out to a GPIO pin. I use it to spare a crystal in a design. Be aware that when having a long wire attached to the pin, you create a nice transm...
by roland_vs
Thu Dec 20, 2018 11:07 pm
Forum: Drivers for External Components
Topic: TMP75
Replies: 3
Views: 752

Re: TMP75

TNX's

Happy XMAS

R
by roland_vs
Sun Dec 16, 2018 4:43 pm
Forum: Drivers for External Components
Topic: TMP75
Replies: 3
Views: 752

TMP75

Dear all,

Did anyone find or has written (and willing to publish this under MIT) a driver using a TMP75 I2C temperature sensor?

Beste regards,

Roland
by roland_vs
Fri Oct 19, 2018 10:03 pm
Forum: General Discussion and Questions
Topic: smallest, basic devices
Replies: 10
Views: 819

Re: smallest, basic devices

STM32F091RC port is small
by roland_vs
Sat Sep 29, 2018 7:18 am
Forum: General Discussion and Questions
Topic: [LEGATO] Running mpy on legato's linux
Replies: 2
Views: 369

Re: [LEGATO] Running mpy on legato's linux

Dear @stijn

I see I should be a bit more informative :-)

I would like to use upy on a Sierra Wireless SoC 4G module and I'm wondering if anyone has done so already...

Regards,

Roland
by roland_vs
Thu Sep 27, 2018 7:45 am
Forum: General Discussion and Questions
Topic: [LEGATO] Running mpy on legato's linux
Replies: 2
Views: 369

[LEGATO] Running mpy on legato's linux

Dear all,

Anyone has any experience in porting/compiling/running micropython on the legato version of linux?

Regards,

Roland
by roland_vs
Mon Aug 06, 2018 7:38 pm
Forum: General Discussion and Questions
Topic: [stm32l476] pyb.stop() mode question on side effects
Replies: 0
Views: 273

[stm32l476] pyb.stop() mode question on side effects

Dear all, Before diving into a night of debugging with the STM32L476RG port: Are there instances that need to be reinitialised after the system is woken up from a pyb.stop()? Same measurement code: - using a loop that fires a measurement using pyb.ADC() every 2 seconds --> works - using rtc.wakeup(2...
by roland_vs
Sun Aug 05, 2018 11:24 pm
Forum: General Discussion and Questions
Topic: Turn utime.time() into unix time float
Replies: 2
Views: 301

Turn utime.time() into unix time float

Turn utime.time() into unix time float

I would like to convert mpy utime.time() into the unix time that is a float().
by roland_vs
Mon Jul 02, 2018 8:05 pm
Forum: Other Boards
Topic: [pyb.ADCAll()] strange results
Replies: 3
Views: 458

Re: [pyb.ADCAll()] strange results

The STM32F091RC also has self calibration, however I added it at line 256 to the adc.c, but need to check if there is a noticeable effect: #if defined(STM32F0) HAL_ADCEx_Calibration_Start(adch); #endif I also added a longer time constant at line 286(290) in the channel configuration, but I see that ...