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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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Stm32f429 SPI3 no clock on CLK pin

Posted on February 04, 2016 at 14:02I have just made  my own SPI3 initilization code as its shown below.void Spi_Init(void){  SPI_InitTypeDef  SPI_InitStructure;  GPIO_InitTypeDef GPIO_InitStructure; SPI_StructInit(&SPI_InitStructure); /*!< Enable...

TIMER GET COUNTER VALUE

Posted on February 03, 2016 at 10:51 ulStart = __HAL_TIM_GetCounter(&htim17) / ulClkFrq ; do { /* TimeOut Check */ ulNow = __HAL_TIM_GetCounter(&htim17)/ ulClkFrq; // ulNow = __HAL_TIM_SetCounter(&htim17, count)/ ulClkFrq; if( ulStart > ulNo...

IAP: Secure firmware update guidelines

Posted on January 29, 2016 at 11:17I've implemented DFU-OTA over GSM network with Fail-back feature (reverting back to older firmware if the upgrade failed, sudden shutdown during the upgrade and in the event of network error) and so far it seem to ...

gmate1 by Associate II
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STM32F427 Can spitting random garbage

Posted on February 04, 2016 at 16:20 Used the STMCubeMX to generate the code. STM32F429I disco board, CAN running at 500k. I added a very simple to the loop, hcan1.pTxMsg->StdId = 0x11; hcan1.pTxMsg->ExtId = 0x01; hcan1.pTxMsg-...

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Just Matt by Associate III
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Need I2C EEPROM example code for STM32F407

Posted on February 01, 2016 at 15:28I have a project running nicely on a STM32F407 (same chip as on the Discovery 4 board).  It's fairly simple, using only a couple of UARTs and some GPIOs, and it uses ABSOLUTELY NO STM CODE (including HAL).  I now ...

STM32F4 USB CDC Transfer Problems

Posted on February 03, 2016 at 20:17 Hello, My first post here, so please let me know if I leave any important information out. I am using the MCU as a USB CDC device attached to a BeagleBone Black, with the following settings: ...

Relation between SAI clocks and frame sync frequencies

Posted on February 04, 2016 at 13:26I find that the STM32F4 reference manuals are a bit confusing regarding the relation between the SAI clocks SAI_CK_x, MCLK, SCLK and the FS frequency Are the following 2 interpretations correct? 1) In master mode...

shaun by Associate
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