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Forum Posts

how to capture signal at rate 3 mbit/s

Posted on December 09, 2011 at 23:23hi,i have a signal to rate at 3mbit/s. The clock and signal are separate on two line.i tried to use connect EXTI on the clock. When i have a interrupt, i read the PIN where the signal's. This solution don't work.S...

max flow with lwip, for 4 tcp serveur

Posted on November 18, 2011 at 14:36hi,sorry for my english, but i'm french.I use the stack LWIP with stm32F107VC. I have create 4 TCP serveur (port 5001,5002,5003,5004).When a connect client of port TCP (exemple 5001), i send a string (1400 bytes) ...

Possible to avoid FLASH_Erase() stall on stm32f103?

Posted on December 08, 2011 at 20:04Hi, I'm using ADC with DMA and periodically erasing the flash pages. But the dma interrupt is not fired while i'm erasing the flash pages. I'm also using a lot of flash constants in my code. Is it possible to avo...

tedmosby by Associate
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Listening SPI communication between two ICs

Posted on December 08, 2011 at 22:01hi everyone,Two boards communicate via SPI, I try to read what master sends to slave and what slave responds with my STM32 eval board.I simply connected 3 wires to CLK, CS and MOSI lines of master IC to three GPIO...

STM32F1/F4 incompatible I/O

Posted on December 08, 2011 at 19:32From their respective RMs: STM32F1... 0x4002 2000 - 0x4002 23FF Flash memory interface STM32F4... 0x4002 2000 - 0x4002 23FF GPIOI Thus a project predicated on STM32x compatibility must have at least different I/O ...

picguy2 by Associate II
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STM32f4 discovery timing problem

Posted on December 06, 2011 at 10:43I tried to build examples from stm32f4discovery_fw package for stm32f4-dicovery board. And I have a incorrect CPU timing settings. Some examples. I tried to make TIM_PWM_Output example with 2.5kHz PWM.   /* Comput...

how to debug (terminal) a UART modul connected to usart2 ?

Posted on December 07, 2011 at 02:00Hi, its me again :) i have my stm32f103ze USART2 with 38400 baud connected to a bluetooth modul that uses rx, tx, rts, cts. I must send some commands to the bluetooth device via USART:    /* USART2 Clock an*/     ...