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Forum Posts

IAP over GSM: UART and Flash programming

Posted on January 07, 2016 at 16:29 Hi, I'm developing an IAP application for firmware upgrade over GSM network. I've a SIM800H module connected to STM32 over UART interface and I'm able to establish GSM connection, setup HTTP GET request an...

gmate1 by Associate II
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  • 13 replies
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MCU selector misses Voltage reference buffer

Hello,looking for a STM32 in small package with pins where optical solder inspection is possible, I hoped that the MCU Selector from STCube would offer me a checkbox to select devices with Voltage reference buffer output. I did not find that checkou...

how dose the PC run to startup.s when the mcu reset

Hi,dear enginner:  i want to know how the PC run to startup.s when mcu reset?  The Definitive Guide to the ARM Cortex-M3 says address 0x00000000 is MSP‘,address 0x00000004 is ResetVector.  But when I look at STM32F767, I find that 0x00000000 and 0x4 ...

xshen by Associate II
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  • 3 replies
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I am using STM32F401RB controller. Iam using external oscillator of 8MHz. The HSE and PLL mode is used. When i try to run the program, it hangs and no output. When I configure the internal oscillator it works fine. Please let me the solution for this.

I have called the three functions as: HAL_Init(); SystemClock_Config(); MX_GPIO_Init(); HAL_GPIO_WritePin(GPIOC, GPIO_PIN_6, GPIO_PIN_SET);when debugging it either jumps to hard fault or hangs.The SystemClock_Config() is as follows:void Syste...

NSury.15 by Associate II
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  • 4 replies
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ArduCam on STM32L476RG

Hello. I'm a student and need to do some project with STM32L476RG board. One part of the project is to use ArduCam 2 MP. So, i'm looking for a code that i can use.

LEssi by Associate
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  • 2 replies
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UART - reading data from UART1 and sending it via UART2.

Hi, I have some problem with UART. I configured two uarts (UART1 and UART2) both of them are working in DMA mode. I want to send data from PC to mcu-UART1 and after receiving it the same data should be sent to UART2. I prepared test env and almost al...