In this guide, we shall configure the MPU to disable cache for certain region in order to get DMA operate normally. In this guide, we shall configure the following: Creating the project. Modification of linkerscript. Results before MPU...
READ MOREIn this guide, we shall take a look at the memory types in ARM Cortex M7 and the attribute the of the MPU. This guide shall cover the following: Memory types. MPU attributes. Important tips. MPU configurations. 4. Memory Types: The memory in ARM...
READ MOREIn this fourth part of cache in ARM Cortex M7, we shall discuss what is MPU and it important. In this guide, we shall cover the following: What is MPU. Reasons to use MPU. 1. What is MPU: •Memory Protection Unit is a piece of hardware in modern...
READ MOREIn this guide, we shall see how to deal with the cache coherency of STM32H7 when dealing with the DMA. In this guide, we shall cover the following: Project creation. DMA transfer without cache handling. DMA transfer with cache handling. 8...
READ MOREIn this second part of cache in ARM Cortex M7, we shall see the read and write operation and cache policies in ARM Cortex M7. In this guide, we shall cover the following: What is cache hit and cache miss. What is dirty bit. Cache policies. STM32...
READ MOREIn this guide series, we shall take a look at the cache in ARM Cortex M7 MCU and how to handle them properly later. In this part of the guide series, we shall cover the following: Introduction to the cache. Cache architecture. 1. Introduction to...
READ MOREIn the previous guide (here), we took a look how to configure the I2S peripheral of STM32G070 and send the data using polling mode. In this guide, we shall use DMA to transmit the data. In this guide, we shall cover the following: Enabling the...
READ MOREIn this third and final part guide on ModBus-RTU, we shall communication with ModBus enabled device. In this guide, we shall cover the following: Device connection with MAX485. Sending and receiving data. Conde download. Results. 7. Device...
READ MOREIn this guide on STM32G070, we shall cover I2S peripheral and take a look what is I2S and I2S feature in STM32G070. In this guide, we shall cover the following: What is I2S. Feature of I2S of STM32G070. Driver Development. Results. 1. What is...
READ MOREIn this revised guide on SPI with DMA on STM32F103, we shall transmit packet of data using DMA without CPU intervention. In the previous guide (here), we took a look how to configure the SPI to transmit data using polling mode. In this guide, we...
READ MOREIn the previous guide (here), we took a look at RS485 and ModBus in general. In the second part, we shall interface MAX485 and develop driver to transmit data. In this guide, we shall cover the following: MAX485. Connection. Developing driver for...
READ MOREIn this guide series, we shall take a look at RS-485 and Modbus-RTU and develop driver to communicate with RS-485 enabled device. In this guide, we shall cover the following: What is RS-485. What is Modbus-RTU. Environment Setup. 1. What is...
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