hi, i have used the following code for read and write in flash but i am getting error like ets Jan 8 2013,rst cause:4, boot mode:(3,2) . .wdt reset .load 0x4010f000, len 1384, room 16 .tail 8 .chksum 0x2d .csum 0x2d .v09f0c112 .~ld. spi_flash_erase_sector(0x3D); spi_flash_erase_sector(0x3C); delay(2...