About MMaj.1

MMaj.1 · 2020-01-06

I've been trying to make connection with STM32F0 Discovery and hc-06 bluetooth module via USART2. I've configured Discovery as shown on figure below. Additionally there is an nvic interruption. Hc-06 is configured the same way as Discovery.uint8_t bl...

MMaj.1 · 2020-01-06

As the topic says i want to implement double buffer for my ADC on DMA interruption to save data on SD card.I've done two buffors. I am saving data to two of them in sequence. If one gets to it's limits the other one is taking the data. To point the c...

MMaj.1 · 2020-01-07

Okay, I changed interruption type. Now I am using DMA, which unexpectedly works...Now, can someone tell me why I am not stoping my ADC with UART DMA? Code below.void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart2) { if(bluetooth_recive == 0) { ...

MMaj.1 · 2020-01-07

There is no communication problem with HC-06 via AT commands. Pins are double checked. I will try now communicate with borad/pc with different configurations.

MMaj.1 · 2020-01-06

Okay, I implemented everything as you said. Now I am saving data with FATFS through SPI to my SD card.Thank you very much for your help! 

MMaj.1 · 2020-01-06

Okay, I understood. So how can I acces those buffers, becouse I can't see custom ones in this example. Only variable like mine.

MMaj.1 · 2020-01-06

That is exacly what helps me. But now, there is a question. How can i acces those values? I need to save them on SD.

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STM32F0 connected with Hc 06, do not recive the data

STM32F0 Discovery, double buffering

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