#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, u32FlashOffset = 0;
sint8 ret = M2M_SUCCESS;
// Platform specific initializations.
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;
}