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rpi_baremetal's Introduction

RPi_Baremetal

What's this?

This is a respository of my Raspberry Pi Baremetal Experiments

Contets

  • sdcard_gpio_spi: demo of accessing sdcard through gpio in SPI mode

  • sdcard_gpio_bus: demo of accessing sdcard through gpio in bus mode (standard mode)

Running the demo

  • Prepare a sd card that holds raspbian OS and you don't need any more (Contents of the card may be destroyed by this demo. So, make sure to use a one that you can waste.)

  • replace kernel.img in your raspberry pi boot sd card with the kernel.img here, and start raspberry pi

  • You need UART connection to GPIO ports #14 and #15

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