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Power Source Solar Powered (stm32l152 discovery)

Posted on August 31, 2014 at 18:51I make the charger from the solar panels with automatic orientation to the sun. There is a problem after device reset, reset to zero RTC. What can cause, reset clocks?http://youtu.be/CaiQAkqU08w?list=UUrYD2NXH5n3BeO...

asv-lab by • Associate
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Nucleo STM32F401

Posted on August 30, 2014 at 22:25Problem with oscillator source PLL.Nucleo plate does't have HSE oscillator, and use internal 16 MHz HSII want to reconfigure tacting schematic to use as SYSCLK - PLL (by default for SYSCLK use HSI directly)PLL confi...

dizarker by • Associate II
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  • 5 replies
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Adding an uninitialized data section to a GCC build?

Posted on December 22, 2011 at 07:18 Perhaps the subject line is a bit cryptic, but does anybody know how to add uninitialized data sections to the linker script? The F4xx has two RAM banks. I want to use the smaller 64 kB as the normal RAM area...

RTOS, adding message bus feature

Posted on August 30, 2014 at 06:42 I have an idea for freeRTOS in stm32cube and other RTOS, adding message bus feature to them! Like a CAN bus this bus operate but between tasks instead of devices. Many times a task have a message that can publish a...

ST-Link/V2 - Can I short Vcc and Vdd lines?

Posted on August 27, 2014 at 23:37Is there any reason why I could not (or you recommend to not) short the Vcc (pin 1&2) and Vdd (pin 19) lines on the ST-Link/V2 programmer during development? I would prefer to power the target application board, via...

nate1 by • Associate II
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SMT32F4 Discovery CAN Example with Interrupt

Posted on August 29, 2014 at 19:20 Hi everyone, I need a help about CAN integration . I want to create a CAN network with using 2 STM32F discovery board. When I set STM32, CAN_Loopback mode, When I send data to CAN also I will reac...

veyselka by • Associate II
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STM32F407 Ext Crystal

Posted on August 29, 2014 at 11:52Dear Community, I am using the STM32F407 for the first time and require to set up CAN into a Peak CAN Tx/Rx Module. I have an external crystal of 8 MHz, the file <stm32f4xx.h> appears not to set the HSE_VALUE to 80...

STM32 I2S in 24-bit with Audio Codec CS43L22

Posted on August 29, 2014 at 17:01Hi all,I am planning to use 24-bit audio with STM324xG-EVALI have checked that I2S in STM32F407 supports 24-bit data legnth.Now I am stuck in CS43L22 configuration in 24-bit.In fact, I am confused in codec configura...

STM32Cube RTC Clock issues

Posted on August 29, 2014 at 16:09Hi Everyone, hopefully someone can shed some light on my issue that I keep seeing.  I set the RTC clock from the cellular chipset and get the time every minute with the following results.Global Date: Aug 29, 2014  T...

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