The STM32F4xx reference manual (RM0090) specifies under the GPIO main features section that there are "up to 16 I/Os under control" - does this mean I cannot control more than 16 GPIO pins or am I interpreting this incorrectly?
Hi ,I'm doing an audio recording with the SAI interface of the STM32L4R9AI microcontroller.I'm using DMA in circular mode and I'm getting audio data which I wrote into SD memory.However, when I tried to open the recorded file , I hear my audio speec...
I have a UART configured in DMA read mode:/* task 1 code*/ uint8_t dmaRXBuffer[1]; HAL_UART_Receive_DMA(&UART_DOWN_USB_TO_SERIAL, dmaRXBuffer, 1); /* UART DMA receive complete ISR code*/ void HAL_UART_RxCpltCallback(UART_HandleTypeDef* huart) { if...
Posted on January 16, 2018 at 11:32Hello,I use STM32L452 QUAd SPI for communicate with Winbond w25n01g NAND Flash.My init code ispage = 0x30; /* Initialize the read command */ sCommand.InstructionMode = QSPI_INSTRUCTION_1_LINE; sCommand.Instruc...
We have our application running with the SBSFU feature and are not sure if our linker files are designed correctly. In our application linker file, the CCMRAM is used :/* Entry Point */ ENTRY(Reset_Handler) /* Specify the memory areas */ MEMORY { r...
Posted on March 13, 2018 at 02:31HelloI have the STM32L475 IoT node discovery kit which is advertised as having support for remote firmware upgrade (RFU) via the AWS cloud demo project.I am using System Workbench and am reading in UM2178 section 5.7...
Hello, I have a problem to communicate with 24LC02B memory. If I look with the logic analyzer, no data on CLK and DATA pins. Here is my code. What is wrong?Thank you#define I2C1_DEVICE_ADDRESS 0x50 #define MEMORY_ADDRESS 0x08 uint8_t xBuffer...
Hellowhere can i find examples using ADC in Dual regular simultaneous mode with DMA transfer using different DMA streams ?best regardsThanks
