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I2C

Posted on July 10, 2015 at 11:17Hallo Every One I try To Communicate with PCA 9539 PORT EXPANDERand Here Are My Code &sharpdefine slave_add 0x74uint8_t mem[10];/* USER CODE BEGIN Includes *//* USER CODE END Includes *//* Private variables ----------...

herrusw by • Associate II
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STM32L05x not getting ACK from I2C slave.

Posted on July 10, 2015 at 06:33HiI am using STM32L05x for my project. I interfaced TLC59116 with MCU on I2C. Issue is, I can send address on but is slave is not acknowledge to the address.Slave Address: 0xC0I am sharing my I2C related code for refe...

kaival by • Associate
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  • 1 replies
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STM32F3 Timer Output Compare Mode

Posted on July 13, 2015 at 04:19 I'm trying to configure TIM2 CH1-4 as per the sample code, and CH2-4 are working at the correct frequency and can be adjusted via the CCR_VAL variables. However CH1 is always toggling at the TIM2_Update frequency...

daniel2 by • Associate II
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  • 4 replies
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STM32f3xx 8 bit SPI problem

Posted on July 12, 2015 at 17:32  The original post was too long to process during our migration. Please click on the attachment to read the original post.

mesmert by • Associate II
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  • 5 replies
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Using MCO (Master Clock Out) as I2S MCLK

Posted on July 12, 2015 at 17:03Hello,I'm currently working on simple device, which main task would be collecting data from ADC (via i2s) and sending them to base station via wireless (SPI based) transceiver.I'm planing to use STM32F103RCT6/8 series...

axel2 by • Associate II
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  • 1 replies
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Cortex M4 check and clear instruction?

Posted on July 07, 2015 at 22:32 I'm using FreeRTOS on STM32F4 with ARM-GCC and i need to do some interrupt/task protection for a simple flag checking and clearing function. Here's an example: int flag; // Some code sets flag to 1 som...

Issue with Timer Input capture delta value on STM32F4

Posted on July 11, 2015 at 17:46 Hell all. i encounter some problems when trying to read the lenght of a pulse (low-hi-low) The ideea is the followin. I have a flag wich is set 5, then at the first falling edge in cc2 event, ...

Bogdan by • Senior
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  • 1 replies
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STM324xG_EVAL microphone (MP45DT02) problem

Posted on July 11, 2015 at 06:36I want to use ST MEMS microphone (MP45DT02) on STM324xG_EVAL board, I used an extension board and attached the digital microphone to the board. It works very well when I use 16 KHz for AudioFreq, I mean:#define DEFAUL...

rizzo by • Associate II
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