Uart Driver Free Rtos Gui

UART FreeRTOS Driver. UART: Universal Asynchronous Receiver/Transmitter Driver. The RTOS UART handle, the pointer to allocated space for RTOS context. The universal designation indicates that the transmission speeds and data format are configurable and that the electric signalling levels and methods are typically handled by a special driver circuit that is external to the UART.

Contents • • • • • • • • • • • • • • 1 Overview The i.MX7 utilize both the ARM Cortex-A7 and Cortex-M4 cores for general-purpose programmable processing. The dual-core architecture enables the device to run a rich operating system like Linux on the Cortex-A7 core and an RTOS like FreeRTOS on the Cortex-M4 core, to provide real-time responsiveness. 1. Hex rays plw google scholars. 1 Multi-Core Architecture The ARM Cortex-A7 and Cortex-M4 share the resources access using AHB/AXI buses. Please note that: • Cortex-A7 always boots as the primary core. • Cortex-M4 does not have a boot ROM and at POR is not provided a clock • Cortex-A7 user code is responsible for the following: • Loading and authenticating Cortex-M4 firmware by HAB API or with Cortex-A7 firmware together as a unified image by boot ROM. • Launching the Cortex-M4 by enabling its clock and clearing its reset bit in System Reset Controller. Further details are available in 1.2 FreeRTOS BSP The FreeRTOS BSP for i.MX 7Dual is a Software Development Kit that provides comprehensive software support for the i.MX 7Dual processor.

The FreeRTOS BSP includes a set of peripheral drivers that aim at encapsulating peripheral register access and give users the maximum flexibility at same time, an open source event driven preemptive RTOS – FreeRTOS operating system (OS) and an open source multicore communication stack – RPMsg. Demo and example applications are provided to demonstrate peripheral drivers, FreeRTOS kernel, RPMsg usage and to highlight the main features of the i.MX 7Dual processor. Next figure highlights the layers and features of the FreeRTOS BSP for i.MX 7Dual.

Here we describe how to use ARM GCC toolchain, but also DS-5 an IAR are officially supported following. 2 Prerequisites Before starting, prepare a boot SD (Morty or newer).