AT26D_EraseChip
Default mainpageat91libmemoriesspi-flashAT26D_EraseChip
Description Source Call Graph
Start Line: 209
unsigned char AT26D_EraseChip(At26 *pAt26)
{
    unsigned char status;
    unsigned char error;

    SANITY_CHECK(pAt26);

    // Check that the flash is unprotected
    status = AT26D_ReadStatus(pAt26);
    if ((status & AT26_STATUS_SWP) != AT26_STATUS_SWP_PROTNONE) {
        return AT26_ERROR_PROTECTED;
    }
    
    // Enable critical write operation
      AT26D_EnableWrite(pAt26);
    
    // Erase the chip
    error = AT26_SendCommand(pAt26, AT26_CHIP_ERASE_2, 1, 0, 0, 0, 0, 0);
    ASSERT(!error, "-F- AT26_ChipErase: Could not issue command.\n\r");
    // Wait for transfer to finish
    AT26D_Wait(pAt26);
    // Poll the Serial flash status register until the operation is achieved
    AT26D_WaitReady(pAt26);

    return 0;
}