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New possibilities for the ultra-low power segment!

STM32U0 is the first Cortex-M0+ with a static consumption of only 160 nA in standby mode with RTC (Real-Time Clock) and 16 nA in shutdown. It also achieves 118 points in CoreMark and targets SESIP level 3 and PSA level 1 focusing on firmware code pro...

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STOP mode

Posted on December 04, 2015 at 11:14Hi i am using coocox ide .i have configured for Stop mode by using some examples and it wakes up by using the rtc wakeup interrupt. The mcu wakes up and goes to the rtc_wakep handlar. the problem is, it is not con...

arunease by Associate II
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STM32 DMA in UART RX

Posted on December 03, 2015 at 14:38I will be receiving 10 bytes on UART RX periodically and I want to configure UART RX DMA for it. Configuring DMA is like loading the NDTR register with the number of bytes to transfer from/to peripheral to/from me...

eclipse tool chain setup (how to set debugger)

Posted on December 02, 2015 at 13:01Hi, I follwed http://www.st.com/web/en/catalog/tools/FM147/CL1794/SC961/SS1533/PF261797?s_searchtype=keyword and then to http://www.openstm32.org/Installing+System+Workbench+for+STM32+with+installer page to instal...

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ckim by Associate II
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STM32F407 UART4 Problem

Posted on December 03, 2015 at 05:04Hi, I am using STM32F407 UART port to read data from a device with baudrate 115200. However, I cannot obtained the desired data. The data I obtained is decoded as follow: 0x 94 86 b7 f3 94 86 b7 f3 0x 94 86 b7 f...

stm32cubemx github examples and code sharing?

Posted on December 04, 2015 at 00:41Hi all, I don't know if something like this exists and if it exists I couldn't find it. I propose github repository where code examples of stm32mxcube could be put for general use and learning. I am willing to hel...

Regular Channel and Injected Channel ADC Example

Posted on June 24, 2015 at 11:07Hi Guys,I'm currently planning to read 2 sensors values using 2 different ADC channels (Regular + Injected), I'm not sure if using the DMA to access the Converted Values is the right way, since I do have those differe...

wal99d by Associate II
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Cannot access STM32F051 via SWD after first download

Posted on November 30, 2015 at 00:06Hello,I have self-designed board with STM32F051 (48-pin). After assembling I could detect the core using J-Link and downloaded my firmware by IAR debugger but debugger lost the CPU immediately and cannot access it...

oko by Associate II
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  • 6 replies
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''SD_TX_UNDERRUN'' error in BSP_SD_WriteBlocks()

Posted on November 03, 2015 at 08:31Hi, I use FreeRTOS and FatFS. Sometimes f_write() or f_close() return FR_DISK_ERR error, because of SD_TX_UNDERRUN error in BSP_SD_WriteBlocks(). Tested with 2Gb and 4Gb  micro SD cards. How to solve this problem...

Andrew1 by Associate II
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  • 5 replies
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