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STM32F7 Data Cache Question

Posted on September 29, 2015 at 09:56What is the correct way to set the SRAM1 & SRAM2 as NON-CACHEABLE? I am using STM32F746 and the Discovery board.

cm600 by • Associate II
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STM32F3 discovery: SPI in 16 bit mode???

Posted on June 30, 2013 at 21:49 Hi, I'm sending data on the SPI interface. This seems to work a bit. The most important difference from what I expected is now that I want to put an 8bit value in the DR register, and I end up with 16...

IAR error Li 005

Posted on September 29, 2015 at 23:13I am trying to drive a KS0108 based LCD with a STM32L series micro-controller. I have the following source code: #include ''KS0108.h'' #include ''graphic.h'' int main(void) { GLCD_Initialize(); GLCD_ClearScreen()...

HAL_UART_Transmit ?

Posted on September 28, 2015 at 22:58Guys, How can I transmit a variable value using HAL_UART_Transmit ? for example I have c = 0; How can I do : HAL_UART_Transmit(&huart1, c, 100, 1000); and I will get 0 on my serial port ? Thanks

stm32f0 help with flash, to read and write + hal libraries

Posted on September 22, 2015 at 22:29Hi all, I wonder if anyone knows how to read and write to the flash stm32f0, using hal libraries ?. What I hold, it is to store some values ​​in real time, and when you restart the device, are present (such as EE...

CS42L52 i2s

Posted on September 26, 2015 at 18:36Hi All,I am working on MCBSTM32C board and I want to make the CS42l52 work. I tried but seems the DMA is not working. I upload my code. Could someone please help me? #mcbstm32c #stm32f107 #cs42l52

fangdu by • Associate II
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SVC_Handler fails badly - hardfaults

Posted on September 06, 2013 at 19:20Below is the code for asm SVC handler straight from an example by ARM: SVC_Handler     STMFD        sp!,{r0-r3,r12,lr}          ; Store registers.   LDR          r0,[lr, #4]                        ; Calculate add...

denis by • Associate II
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STM32F7 - Can not write to FPB registers

Posted on September 25, 2015 at 21:56Hi All, During conversion of our debugging code from Cortex-M3/M4 to M7 I run into following problem - it seems that it is not possible to write to any registers in FPB unit, for example FP_CTRL (0xE0002000) or F...

branislav by • Associate II
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F2/F4 Security against reverse engineering

Posted on September 28, 2015 at 21:58There are facilities in china where you can hire resources for 200 US dollars an hour to reverse engineer microprocessors even if the flash protection bits are set or fuses blown - for example one technique is to...

estersci2 by • Associate III
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USART1 Doesn't transmit

Posted on September 28, 2015 at 21:10I have been trying to get my code to work but I cannot get any output on PA9 (USART1_Tx) on my STM32f0discovery board. Any help would be greatly appreciated. CODE =================================================...

mblack by • Associate II
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