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About the SAI duplex mode of STM32F746

Posted on October 29, 2015 at 10:56Hi,my friend, I want to implement the both TX/RX channel of SAI, but can not find any code sample in STM32CUBE. I want to use DMA to transfer audio data between SAI and codec and start the TX/RX DMA at once and jus...

Stm32L0 I2C with keil compiler

Posted on October 29, 2015 at 10:20Hi,        Im currently working on interfacing stm32l053 i2c where i have to interface it  with a 8-bit i2c device address. But Where can i find 8 bit i2c api's in keil compiler i found 16-bit api's now in keil . A...

LRPS_92 by • Associate II
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stm32f207zg i2c, start bit error

Posted on October 21, 2015 at 15:54 Hi, I'm working on a custom board, cpu :stm32f207zg on i2c2 there is an rtc - pcf2129 I started the project in STM32CubeMX, updated to the last version. Pins are pf0 and pf1, pin...

sukoy27k by • Associate II
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DMA and EEPROM interference on STM32L1?

Posted on October 29, 2015 at 09:00I'm having a big problem.I have an USART which uses a circular buffer with DMA to receive characters.The machine sometimes has to save some informations in internal EEPROM.After some time, from minutes to many hour...

giuseppe by • Associate II
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Pin value of a GPIO pin set as high impedance

Posted on October 28, 2015 at 08:49 I am using an STM32F4 discovery board and my intention is to set one of its GPIO pins at high impedance, which I have done as below: GPIO_InitStruct.Pin = GPIO_PIN_12; GPIO_InitStruct.Mode = GPIO_MODE_INPUT;...

sommer by • Associate II
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Reading wrong Temperature sensor values stm32f0

Posted on October 29, 2015 at 08:47Hi,I am using STM32F051R8 eval board I am trying to read temperature sensor and internal voltage values but some times I am getting wrong ADC conversion valuesvoid MX_ADC_Init(void){  ADC_ChannelConfTypeDef sConfig...

TJpgDec and FatFs

Posted on October 26, 2015 at 09:51 I checked the code, it works when picture is in memory. But I can't make it work with MicroCD. I rewrote the code for work with FatFs, but STM32 freezes on f_lseek() function. There is my code, I purpo...

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