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Forum Posts

Am I right initialize I2C and read bytes?

Posted on December 06, 2011 at 18:19Hello. I have a device connected to stm32 through I2C1. Am I right initialize it?&sharpdefine DEV_ADDR 0x53uint8_t I2C_ByteRead(uint8_t Addr){ uint8_t tmp;    while(I2C_GetFlagStatus(I2CG, I2C_FLAG_BUSY)); // Whil...

Missing data on the SPI bus?

Posted on December 09, 2011 at 20:57 I have a Max3107 UART hooked up via the SPI1 bus on a STM32F103ZG. Currently, I can configure the UART, write data out and receive it. I'm trying to implement trigger interrupts because the UART has a 128 word...

thebooney by Associate II
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STM32F107 IWDG does not make a reset

Posted on December 12, 2011 at 16:08Hello, I'm using the ST libraries to initialize the IWDG  with following code:  IWDG_WriteAccessCmd(IWDG_WriteAccess_Enable);   IWDG_SetPrescaler(IWDG_Prescaler_128);   IWDG_SetReload(0x400);   IWDG_ReloadCounter(...

hhosburg by Associate II
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to connect to CN5 I need Micro-A plug not Micro-B

Posted on November 30, 2011 at 21:04In the User manual UM1467 (Getting started with software and firmware environments for the STM32F4DISCOVERY Kit) on page 4 under 2.1 ''System requirements'' it says:  'USB type A to Micro-B' cable, used to connect...

TIM4 Missing Update Interrupt

Posted on December 06, 2011 at 10:12The follow ISR capture an event incoming on TIM4_CCP2, and each 8 of this events the register oldCCP is subtracted from CCR2, this value is strored in loop_buf[cyc][lb_index], the value of CCR2 updates oldCCP, and...

STm32F407 LQFP176 has just 144pin in Datasheet????

Posted on December 10, 2011 at 06:26Hi, I want to make a library for EAGLE of the STM32F407IGT6 (LQFP176). On Site 142 of 154 in the datasheet, the lqfp176 package has just 144pins, is that correct or a mistake by ST? with regards alex  

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...