bare-metal-programming-guide | A bare metal programming guide
kandi X-RAY | bare-metal-programming-guide Summary
kandi X-RAY | bare-metal-programming-guide Summary
A microcontroller (uC, or MCU) is a small computer. Typically it has CPU, RAM, flash to store firmware code, and a bunch of pins that stick out. Some pins are used to power the MCU, usually marked as GND (ground) and VCC pins. Other pins are used to communicate with the MCU, by means of high/low voltage applied to those pins. One of the simplest ways of communication is an LED attached to a pin: one LED contact is attached to the ground pin (GND), and another contact is attached to a signal pin via a current-limiting resistor. A firmware code can set high or low voltage on a signal pin, making LED blink:.
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I have js files Dashboard and Adverts. I managed to get Dashboard to list the information in one json file (advertisers), but when clicking on an advertiser I want it to navigate to a separate page that will display some data (Say title and text) from the second json file (productadverts). I can't get it to work. Below is the code for the Dashboard and next for Adverts. Then the json files
...ANSWER
Answered 2020-May-17 at 23:55The new object to get params in React Navigation 5 is:
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Install bare-metal-programming-guide
ARM GCC, https://launchpad.net/gcc-arm-embedded - for compiling and linking
GNU make, http://www.gnu.org/software/make/ - for build automation
ST link, https://github.com/stlink-org/stlink - for flashing
Git, https://git-scm.com/ - for downloading source code and version control
Start a terminal, and execute:.
Start a terminal, and execute:.
Download and install gcc-arm-none-eabi-10.3-2021.10-win32.exe. Enable "Add path to environment variable" during the installation
Create c:\tools folder
Download stlink-1.7.0-x86_64-w64-mingw32.zip and unpack bin/st-flash.exe into c:\tools
Download make-4.4-without-guile-w32-bin.zip and unpack bin/make.exe into c:\tools
Add c:\tools to the Path environment variable
Enable "Developer Mode" in Windows 10/11, for symbolic link support.
Install Git from https://git-scm.com/download/win. Check "Enable symlink" during installation
After boot, Nucleo-F429ZI CPU runs at 16MHz. The maximum frequency is 180MHz. Note that system clock frequency is not the only factor we need to care about. Peripherals are attached to different buses, APB1 and APB2 which are clocked differently. Their clock speeds are configured by the frequency prescaler values, set in the RCC. The main CPU clock source can also be different - we can use either an external crystal oscillator (HSE) or an internal oscillator (HSI). In our case, we'll use HSI.
Optionally, enable FPU
Set flash latency
Decide on a clock source, and PLL, APB1 and APB2 prescalers
Configure RCC by setting respective values:
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