用ASF跑SAMD21程序(25)NVM

/**

 * \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).

 */



void configure_nvm(void);

#include <asf.h>

void configure_nvm(void)

{

        struct nvm_config config_nvm;

        nvm_get_config_defaults(&config_nvm);

        nvm_set_config(&config_nvm);

}

int main (void)

{

        system_init();

    configure_nvm();

        uint8_t page_buffer[NVMCTRL_PAGE_SIZE];

        for (uint32_t i = 0; i < NVMCTRL_PAGE_SIZE; i++) {

                page_buffer[i] = i;

        }

        enum status_code error_code;

        do

        {

                error_code = nvm_erase_row(

                100 * NVMCTRL_ROW_PAGES * NVMCTRL_PAGE_SIZE);

        } while (error_code == STATUS_BUSY);

        do

        {

                error_code = nvm_write_buffer(

                100 * NVMCTRL_ROW_PAGES * NVMCTRL_PAGE_SIZE,

                page_buffer, NVMCTRL_PAGE_SIZE);

        } while (error_code == STATUS_BUSY);

        do

        {

                error_code = nvm_read_buffer(

                100 * NVMCTRL_ROW_PAGES * NVMCTRL_PAGE_SIZE,

                page_buffer, NVMCTRL_PAGE_SIZE);

        } while (error_code == STATUS_BUSY);

        

        while(1);

}