MG32L003 Standard Peripherals Firmware Library
SPI_Flash example
  ****************** (C) COPYRIGHT 2023 megawin Technology *******************
  * @file    SPI/SPI_Flash/readme.txt 
  * @author  megawin Application Team
  * @version V0.0.5
  * @date    13-August-2024
  * @brief   Description of the SPI SPI_Flash example.
  ******************************************************************************
  * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
  * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
  * TIME. AS A RESULT, MEGAWIN SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
  * INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM
  * THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
  * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
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Example Description

This example describes how to use the SPI firmware library communicate with a SPI FLASH.

In this example, Main clock is configured at 24MHz.

Directory contents
  • SPI/SPI_Flash/SPI_Flash.uvprojx MDK5 project file
  • SPI/SPI_Flash/SPI_Flash.uvoptx MDK5 project options file
  • SPI/SPI_Flash/JLinkSettings.ini Jlink settings file
  • SPI/SPI_Flash/main.c Main program
  • SPI/SPI_Flash/drv_spi_flash.c SPI Flash driver
  • SPI/SPI_Flash/drv_spi_flash.h SPI Flash driver header file
Hardware and Software environment
  • Hardware environment
    • The chip pins and the SPI FLASH are connected as follows:
      • SPI_NSS (PA3) pin is connected to SPI Flash CS (pin1)
      • SPI_SCK (PC5) pin is connected to SPI Flash CLK (pin6)
      • SPI_MISO (PD2) pin is connected to SPI Flash DO (pin2)
      • SPI_MOSI (PD3) pin is connected to SPI Flash DI (pin5)
      • SPI Flash WP (pin3) is connected to Vdd
      • SPI Flash HOLD (pin7) is connected to Vdd
      • UART1 (PD5, PD6) is connected to PC serial port
How to use it ?

In order to make the program work, you must do the following :

  • Open SPI_Flash.uvprojx from this example folder by Keil MDK5
  • Rebuild all files and load your image into target memory
  • Run the example

    © COPYRIGHT 2023 megawin Technology