STM32 MCUs Embedded software

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STM32F446 SPI DMA too fast for SSD1362

Hello,I have implemented 4 wire SPI for my SSD1362 OLED controller. Here are my SPI transfer functions (both normal and DMA) void HAL_SPI_TxCpltCallback(SPI_HandleTypeDef *hspi) { // Deselect when Tx Complete if (hspi == &hspi1) { HAL_GPIO_WriteP...

fing by Associate II
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stm32f439 freertos lwip stuck

Hi, i have build up a basic freertos and lwip setup. I just have one user task running. I start a sntp to get the time and wanted to print the time in that task. But it does not reach there.I get stuck. I'm using the cmsis v2 i recently upgraded the ...

MOtto.2 by Associate II
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Problem with "HAL_UARTEx_ReceiveToIdle_DMA"

Hi,I am using the HAL function "HAL_UARTEx_ReceiveToIdle_DMA" as follows:void HAL_UARTEx_ReceiveToIdle_DMA(UART_HandleTypeDef *huart, uint16_t Size) {//my actionsHAL_UARTEx_ReceiveToIdle_DMA(peripheral, buffer, COMMAND_MAXIMUM_LENGTH);__HAL_DMA_DISAB...

areyzummo by Associate II
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  • 7 replies
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Resolved! STM32H743ZI2 TIMER calculation

Im using stm32h743zi2 microcontroller and , cortext M7 processor , so i need prescalar value and period values of TIM5 for 80milli sec . here im using main clock is 400Mhz and timer bus clock is 200Mhz . please can anyone suggest me a flexible soluti...