用ASF跑SAMD21程序(18)EEPROM

2万 · 2015-1-13 23:52

首先，新建ASF工程，然后加入EEPROM模块。

然后在ASF explorer中打开QUICK START GUIDE

按照上面步骤做，然后编译通过：

但下进去灯不亮，有断点才发现原来熔丝位没有设EEPROM段。究竟怎么原因，下回分解。

上程序先：

复制

/**

 * \file

 *

 * \brief Empty user application template

 *

 */



/**

 * \mainpage User Application template doxygen documentation

 *

 * \par Empty user application template

 *

 * This is a bare minimum user application template.

 *

 * For documentation of the board, go \ref group_common_boards "here" for a link

 * to the board-specific documentation.

 *

 * \par Content

 *

 * -# Include the ASF header files (through asf.h)

 * -# Minimal main function that starts with a call to system_init()

 * -# Basic usage of on-board LED and button

 * -# "Insert application code here" comment

 *

 */



/*

 * Include header files for all drivers that have been imported from

 * Atmel Software Framework (ASF).

 */

#include <asf.h>

void configure_eeprom(void);



void configure_eeprom(void)

{   

         /* Setup EEPROM emulator service */

         enum status_code error_code = eeprom_emulator_init();

         if (error_code == STATUS_ERR_NO_MEMORY)

          {

                          while (true)

                                   {            /* No EEPROM section has been set in the device's fuses */        }    

           }

         else if (error_code != STATUS_OK)

         {        /* Erase the emulated EEPROM memory (assume it is unformatted or         * irrecoverably corrupt) */ 

                        eeprom_emulator_erase_memory();

                                 eeprom_emulator_init();    }}



int main (void)

{

        system_init();

        configure_eeprom();

        

         uint8_t page_data[EEPROM_PAGE_SIZE];

         eeprom_emulator_read_page(0, page_data);

         page_data[0] = !page_data[0];

         port_pin_set_output_level(LED_0_PIN, page_data[0]);

         eeprom_emulator_write_page(0, page_data); 

         eeprom_emulator_commit_page_buffer();

          while (true) {    }



        

}