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Dependents: NNN50_CE_Test_UDP NNN50_linux_firmware NNN50_SoftAP_HelloWorld NNN50_BLEWIFISensor ... more
spi_flash.h File Reference
WINC1500 SPI Flash. More...
Go to the source code of this file.
Functions | |
| uint32 | spi_flash_get_size (void) |
| Returns with uint32 value which is total flash size . | |
| sint8 | spi_flash_read (uint8 *pu8Buf, uint32 u32Addr, uint32 u32Sz) |
| Read a specified portion of data from SPI Flash. . | |
| sint8 | spi_flash_write (uint8 *pu8Buf, uint32 u32Offset, uint32 u32Sz) |
| Write a specified portion of data to SPI Flash. . | |
| sint8 | spi_flash_erase (uint32 u32Offset, uint32 u32Sz) |
| Erase a specified portion of SPI Flash. . | |
Detailed Description
WINC1500 SPI Flash.
This file describe SPI flash APIs, how to use it and limitations with each one.
Copyright (c) 2016-2017 Atmel Corporation. All rights reserved.
Example
This example illustrates a complete guide of how to use these APIs.
{.c}
#include "spi_flash.h"
#define DATA_TO_REPLACE "THIS IS A NEW SECTOR IN FLASH"
int main()
{
uint8 au8FlashContent[FLASH_SECTOR_SZ] = {0};
uint32 u32FlashTotalSize = 0;
uint32 u32FlashOffset = 0;
ret = m2m_wifi_download_mode();
if(M2M_SUCCESS != ret)
{
printf("Unable to enter download mode\r\n");
}
else
{
u32FlashTotalSize = spi_flash_get_size();
}
while((u32FlashTotalSize > u32FlashOffset) && (M2M_SUCCESS == ret))
{
ret = spi_flash_read(au8FlashContent, u32FlashOffset, FLASH_SECTOR_SZ);
if(M2M_SUCCESS != ret)
{
printf("Unable to read SPI sector\r\n");
break;
}
memcpy(au8FlashContent, DATA_TO_REPLACE, strlen(DATA_TO_REPLACE));
ret = spi_flash_erase(u32FlashOffset, FLASH_SECTOR_SZ);
if(M2M_SUCCESS != ret)
{
printf("Unable to erase SPI sector\r\n");
break;
}
ret = spi_flash_write(au8FlashContent, u32FlashOffset, FLASH_SECTOR_SZ);
if(M2M_SUCCESS != ret)
{
printf("Unable to write SPI sector\r\n");
break;
}
u32FlashOffset += FLASH_SECTOR_SZ;
}
if(M2M_SUCCESS == ret)
{
printf("Successful operations\r\n");
}
else
{
printf("Failed operations\r\n");
}
while(1);
return M2M_SUCCESS;
}
Definition in file spi_flash.h.
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