About kiv

kiv · 2016-02-25

Posted on February 26, 2016 at 02:55I'm trying to deal with the setting clocking of STM32F103 MCU without the use of third-party libraries.I wrote several functions for this: http://pastebin.com/kLQS9UmwIf I setup clocking by stm32_rccUseHSE, then e...

kiv · 2015-11-17

Posted on November 17, 2015 at 10:01I'm trying to understand low-level (without third-party libraries) programming of USB module of STM32F103 MCU and have encountered a problem.My sequence of actions:1) I have an external crystal of 8 MHz. PLL setup...

kiv · 2016-03-04

Posted on March 04, 2016 at 19:42I do not quite understand you, but tried to add a 1 second delay before initializing the PLL. If I started flashing before the delay is over, that all is well, but if the PLL has been initialized, then utility will h...

kiv · 2016-03-04

Posted on March 04, 2016 at 18:18I use Linux. I use the tool from here https://github.com/texane/stlink.Of course, this may be an issue of this utility, but another PLL setup code works (from libopencm3 and ChibiOS), and my no.

kiv · 2015-11-19

Posted on November 20, 2015 at 02:24I solved this problem now. Need to disable WKUP interrupt when USB is not in sleep mode. WKUP must be enabled only when SUSP interrupt happens and disabled after WKUP. WKUP always triggered on any bus activity.RES...

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Cannot flash STM32F103 if PLL enabled

Lowlevel USB programming

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