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jeremybenn |
/******************** (C) COPYRIGHT 2006 STMicroelectronics ********************
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* File Name : 91x_fmi.c
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* Author : MCD Application Team
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* Date First Issued : 05/18/2006 : Version 1.0
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* Description : This file provides all the FMI software functions.
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********************************************************************************
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* History:
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* 05/24/2006 : Version 1.1
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* 05/18/2006 : Version 1.0
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********************************************************************************
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* THE PRESENT SOFTWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS WITH
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* CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME. AS
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* A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT, INDIRECT
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* OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE CONTENT
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* OF SUCH SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING INFORMATION
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* CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
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*******************************************************************************/
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/* Standard include ----------------------------------------------------------*/
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#include "91x_fmi.h"
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/* Include of other module interface headers ---------------------------------*/
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/* Local includes ------------------------------------------------------------*/
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/* Private typedef -----------------------------------------------------------*/
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/* Private define ------------------------------------------------------------*/
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#define TIMEOUT 0xFFFFFF /* Timeout value */
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/* Private macro -------------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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/* Private function prototypes -----------------------------------------------*/
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/* Interface functions -------------------------------------------------------*/
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/* Private functions ---------------------------------------------------------*/
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/*******************************************************************************
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* Function Name : FMI_BankRemapConfig
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* Description : Configure the addresses and sizes of bank 0 and bank 1.
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* Input1 : FMI_BootBankSize: specifies the boot bank size.
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* This parameter can be one of the following values:
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* - 0x0: 32KBytes.
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* - 0x1: 64KBytes.
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* - 0x2: 128KBytes.
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* - 0x3: 256KBytes.
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* - 0x4: 512KBytes.
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* ....
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* - 0xB: 64MBytes.
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* Input2 : FMI_NonBootBankSize: specifies the non boot bank size.
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* This parameter can be one of the following values:
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* - 0x0: 8KBytes.
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* - 0x1: 16KBytes.
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* - 0x2: 32KBytes.
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* - 0x3: 64KBytes.
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* ....
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* - 0xD: 64MBytes.
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* Input3 : FMI_BootBankAddress: specifies the address of the boot bank.
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* Input4 : FMI_NonBootBankAddress: specifies the address of the non
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* boot bank.
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* Output : None
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* Return : None
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*******************************************************************************/
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void FMI_BankRemapConfig(u8 FMI_BootBankSize, u8 FMI_NonBootBankSize, \
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u32 FMI_BootBankAddress, u32 FMI_NonBootBankAddress)
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{
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FMI->BBSR = FMI_BootBankSize;
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FMI->NBBSR = FMI_NonBootBankSize;
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FMI->BBADR = (FMI_BootBankAddress >> 2);
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FMI->NBBADR = (FMI_NonBootBankAddress >> 2);
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FMI->CR |= 0x18; /* Enable bank 1 */
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}
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/*******************************************************************************
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* Function Name : FMI_Config
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* Description : Configure the FMI.
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* Input1 : FMI_ReadWaitState: specifies the needed read wait states.
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* This parameter can be one of the following values:
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* - FMI_READ_WAIT_STATE_1: One read wait state.
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* - FMI_READ_WAIT_STATE_2: Two read wait states.
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* - FMI_READ_WAIT_STATE_3: Three read wait states.
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* Input2 : FMI_WriteWaitState: specifies the needed write wait states.
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* This parameter can be one of the following values:
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* - FMI_WRITE_WAIT_STATE_1: One write wait state.
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* - FMI_WRITE_WAIT_STATE_2: Two write wait states.
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* Input3 : FMI_PWD: specifies the power down mode status.
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* This parameter can be one of the following values:
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* - FMI_PWD_ENABLE: Enable the PWD.
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* - FMI_PWD_DISABLE: Disable the PWD.
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* Input4 : FMI_LVDEN: specifies the low voltage detector status.
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* This parameter can be one of the following values:
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* - FMI_LVD_ENABLE: Enable the LVD.
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* - FMI_LVD_DISABLE: Disable the LVD.
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* Input5 : FMI_FreqRange: specifies the working frequency range.
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* This parameter can be one of the following values:
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* - FMI_FREQ_LOW: Low working frequency (up to 66MHz).
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* - FMI_FREQ_HIGH: High working frequency (above 66MHz) .
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* Output : None
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* Return : None
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*******************************************************************************/
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void FMI_Config(u16 FMI_ReadWaitState, u32 FMI_WriteWaitState, u16 FMI_PWD,\
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u16 FMI_LVDEN, u16 FMI_FreqRange)
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{
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/* Configure the write wait state value */
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if (FMI_WriteWaitState == FMI_WRITE_WAIT_STATE_1)
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{
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FMI->CR |= FMI_WRITE_WAIT_STATE_1;
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}
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else
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{
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FMI->CR &= FMI_WRITE_WAIT_STATE_0;
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}
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/* Write a write flash configuration register command */
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*(vu16 *)FMI_BANK_1 = 0x60;
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/* Configure the flash configuration register */
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*(vu16 *)(FMI_BANK_1|FMI_ReadWaitState|FMI_PWD|FMI_LVDEN|FMI_FreqRange) = 0x03;
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}
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/*******************************************************************************
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* Function Name : FMI_EraseSector
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* Description : Erase the needed sector.
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* Input : FMI_Sector: specifies the sector to be erased.
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* This parameter can be one of the following values:
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* - FMI_B0S0: FMI bank 0 sector 0.
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* - FMI_B0S1: FMI bank 0 sector 1.
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* - FMI_B0S2: FMI bank 0 sector 2.
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* - FMI_B0S3: FMI bank 0 sector 3.
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* - FMI_B0S4: FMI bank 0 sector 4.
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* - FMI_B0S5: FMI bank 0 sector 5.
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* - FMI_B0S6: FMI bank 0 sector 6.
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* - FMI_B0S7: FMI bank 0 sector 7.
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* - FMI_B1S0: FMI bank 1 sector 0.
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* - FMI_B1S1: FMI bank 1 sector 1.
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* - FMI_B1S2: FMI bank 1 sector 2.
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* - FMI_B1S3: FMI bank 1 sector 3.
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* Output : None
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* Return : None
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*******************************************************************************/
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void FMI_EraseSector(vu32 FMI_Sector)
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{
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/* Write an erase set-up command to the sector */
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*(vu16 *)FMI_Sector = 0x20;
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/* Write an erase confirm command to the sector */
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*(vu16 *)FMI_Sector = 0xD0;
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}
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/*******************************************************************************
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* Function Name : FMI_EraseBank
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* Description : Erase the needed bank.
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* Input : FMI_Bank: specifies the bank to be erased.
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* This parameter can be one of the following values:
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* - FMI_BANK_0: FMI bank 0.
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* - FMI_BANK_1: FMI bank 1.
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* Output : None
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* Return : None
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*******************************************************************************/
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void FMI_EraseBank(vu32 FMI_Bank)
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{
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/* Write a bank erase set-up command to the bank */
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*(vu16 *)FMI_Bank = 0x80;
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/* Write an erase confirm command to the sector */
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*(vu16 *)FMI_Bank = 0xD0;
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}
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/*******************************************************************************
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* Function Name : FMI_WriteHalfWord
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* Description : Write a halfword to the needed Flash memory address.
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* Input 1 : FMI_Address: specifies the address offset where the data will
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* be written.
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* Input 2 : FMI_Data: the needed data.
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* Output : None
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* Return : None
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*******************************************************************************/
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void FMI_WriteHalfWord(u32 FMI_Address, u16 FMI_Data)
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{
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/* Write a program command to the sector to be written */
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*(vu16 *)(FMI_Address & 0xFFFFFFFC) = 0x40;
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/* Write the halfword to the destination address */
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*(vu16 *)FMI_Address = FMI_Data;
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}
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/*******************************************************************************
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* Function Name : FMI_WriteOTPHalfWord
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* Description : Write a halfword to the needed OTP sector address.
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* Input 1 : FMI_OTPHWAddress: specifies the halfword address offset
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* where the data will be written.
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* This parameter can be one of the following values:
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* - FMI_OTP_LOW_HALFWORD_0: OTP Low halfword 0.
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* - FMI_OTP_HIGH_HALFWORD_0: OTP High halfword 0.
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* - FMI_OTP_LOW_HALFWORD_1: OTP Low halfword 1.
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* - FMI_OTP_HIGH_HALFWORD_1: OTP High halfword 1.
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* - FMI_OTP_LOW_HALFWORD_2: OTP Low halfword 2.
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* - FMI_OTP_HIGH_HALFWORD_2: OTP High halfword 2.
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* - FMI_OTP_LOW_HALFWORD_3: OTP Low halfword 3.
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* - FMI_OTP_HIGH_HALFWORD_3: OTP High halfword 3.
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* - FMI_OTP_LOW_HALFWORD_4: OTP Low halfword 4.
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* - FMI_OTP_HIGH_HALFWORD_4: OTP High halfword 4.
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* - FMI_OTP_LOW_HALFWORD_5: OTP Low halfword 5.
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* - FMI_OTP_HIGH_HALFWORD_5: OTP High halfword 5.
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* - FMI_OTP_LOW_HALFWORD_6: OTP Low halfword 6.
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* - FMI_OTP_HIGH_HALFWORD_6: OTP High halfword 6.
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* - FMI_OTP_LOW_HALFWORD_7: OTP Low halfword 7.
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* - FMI_OTP_HIGH_HALFWORD_7: OTP High halfword 7.
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* Input 2 : FMI_OTPData: The needed OTP data.
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* Output : None
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* Return : None
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*******************************************************************************/
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void FMI_WriteOTPHalfWord(u8 FMI_OTPHWAddress, u16 FMI_OTPData)
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{
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/* Write a write OTP command to the needed address */
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*(vu16 *)(FMI_BANK_1) = 0xC0;
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/* Write the halfword to the destination address */
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*(vu16 *)(FMI_BANK_1 + FMI_OTPHWAddress) = FMI_OTPData;
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}
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/*******************************************************************************
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* Function Name : FMI_ReadWord
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* Description : Read the correspondent data.
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* Input : FMI_Address: specifies the needed address.
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* Output : None
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* Return : The data contained in the specified address.
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*******************************************************************************/
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u32 FMI_ReadWord(u32 FMI_Address)
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{
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return(*(u32*)FMI_Address);
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}
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/*******************************************************************************
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* Function Name : FMI_ReadOTPData
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* Description : Read data from the OTP sector.
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* Input : FMI_OTPAddress: specifies the address of the data to be read.
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* This parameter can be one of the following values:
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* - FMI_OTP_WORD_0: FMI bank 0 sector 0.
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* - FMI_OTP_WORD_1: FMI bank 0 sector 1.
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* - FMI_OTP_WORD_2: FMI bank 0 sector 2.
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* - FMI_OTP_WORD_3: FMI bank 0 sector 3.
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* - FMI_OTP_WORD_4: FMI bank 0 sector 4.
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* - FMI_OTP_WORD_5: FMI bank 0 sector 5.
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* - FMI_OTP_WORD_6: FMI bank 0 sector 6.
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* - FMI_OTP_WORD_7: FMI bank 0 sector 7.
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* Output : None
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* Return : The needed OTP words.
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*******************************************************************************/
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u32 FMI_ReadOTPData(u8 FMI_OTPAddress)
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{
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u32 OTP_Data = 0x0;
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/* write a read OTP sector command */
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*(vu16 *)(FMI_BANK_1) = 0x98;
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/* Read the correspondent data */
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OTP_Data = (*(vu32*)(FMI_BANK_1 + FMI_OTPAddress));
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/* Write a read array command */
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*(vu16 *)(FMI_BANK_1) = 0xFF;
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return OTP_Data;
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}
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/*******************************************************************************
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* Function Name : FMI_GetFlagStatus
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* Description : Check whether the specified FMI flag is set or not.
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* Input1 : FMI_Flag: flag to check.
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* This parameter can be one of the following values:
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* - FMI_FLAG_SPS: Sector Protection Status Flag.
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* - FMI_FLAG_PSS: Program Suspend Status Flag.
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* - FMI_FLAG_PS: Program Status Flag.
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* - FMI_FLAG_ES: Erase Status Flag.
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* - FMI_FLAG_ESS: Erase Suspend Status Flag.
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* - FMI_FLAG_PECS: FPEC Status Flag.
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| 275 |
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* Input2 : FMI_Bank: specifies the needed bank.
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| 276 |
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* This parameter can be one of the following values:
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* - FMI_BANK_0: FMI bank 0.
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* - FMI_BANK_1: FMI bank 1.
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* Output : None
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* Return : None
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*******************************************************************************/
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FlagStatus FMI_GetFlagStatus(u8 FMI_Flag, vu32 FMI_Bank)
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{
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u16 FMI_Status_Register = 0;
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| 286 |
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/* Write a read status register command */
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*(vu16 *)FMI_Bank = 0x70;
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| 289 |
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/* Wait until operation completion */
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while(!((*(vu16 *)FMI_Bank) & 0x80));
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| 291 |
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| 292 |
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/* Read the status register */
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FMI_Status_Register = *(vu16 *)FMI_Bank;
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| 294 |
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| 295 |
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/* Write a read array command */
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*(vu16 *)FMI_Bank = 0xFF;
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| 298 |
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if((FMI_Status_Register & FMI_Flag) != RESET)
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{
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return SET;
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}
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else
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{
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return RESET;
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}
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| 306 |
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}
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| 307 |
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| 308 |
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/*******************************************************************************
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| 309 |
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* Function Name : FMI_GetReadWaitStateValue
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| 310 |
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* Description : Get the current Read wait state value.
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| 311 |
|
|
* Input : None
|
| 312 |
|
|
* Output : None
|
| 313 |
|
|
* Return : The current read wait states value.
|
| 314 |
|
|
*******************************************************************************/
|
| 315 |
|
|
u16 FMI_GetReadWaitStateValue(void)
|
| 316 |
|
|
{
|
| 317 |
|
|
u16 FMI_Configuration_Register = 0;
|
| 318 |
|
|
/* Write a read flash configuration register command */
|
| 319 |
|
|
*(vu16 *)FMI_BANK_1 = 0x90;
|
| 320 |
|
|
|
| 321 |
|
|
/* Read the flash configuration register */
|
| 322 |
|
|
FMI_Configuration_Register = *(vu16 *)(FMI_BANK_1 + 0x14);
|
| 323 |
|
|
|
| 324 |
|
|
/* Write a read array command */
|
| 325 |
|
|
*(vu16 *)FMI_BANK_1 = 0xFF;
|
| 326 |
|
|
|
| 327 |
|
|
FMI_Configuration_Register = ((FMI_Configuration_Register>>11) + 1) & 0x3;
|
| 328 |
|
|
|
| 329 |
|
|
/* Return the wait states value */
|
| 330 |
|
|
return FMI_Configuration_Register;
|
| 331 |
|
|
}
|
| 332 |
|
|
|
| 333 |
|
|
/*******************************************************************************
|
| 334 |
|
|
* Function Name : FMI_GetWriteWaitStateValue
|
| 335 |
|
|
* Description : Get the current write wait state value.
|
| 336 |
|
|
* Input : None
|
| 337 |
|
|
* Output : None
|
| 338 |
|
|
* Return : The current write wait states value.
|
| 339 |
|
|
*******************************************************************************/
|
| 340 |
|
|
u16 FMI_GetWriteWaitStateValue(void)
|
| 341 |
|
|
{
|
| 342 |
|
|
return ((u16)((FMI->CR & 0x100) >> 8));
|
| 343 |
|
|
}
|
| 344 |
|
|
|
| 345 |
|
|
/*******************************************************************************
|
| 346 |
|
|
* Function Name : FMI_SuspendEnable
|
| 347 |
|
|
* Description : Suspend command enable.
|
| 348 |
|
|
* Input : FMI_Bank: specifies the bank to be suspended.
|
| 349 |
|
|
* This parameter can be one of the following values:
|
| 350 |
|
|
* - FMI_BANK_0: FMI bank 0.
|
| 351 |
|
|
* - FMI_BANK_1: FMI bank 1.
|
| 352 |
|
|
* Output : None
|
| 353 |
|
|
* Return : None
|
| 354 |
|
|
*******************************************************************************/
|
| 355 |
|
|
void FMI_SuspendEnable(vu32 FMI_Bank)
|
| 356 |
|
|
{
|
| 357 |
|
|
/* Write a suspend command to the bank */
|
| 358 |
|
|
*(vu16 *)FMI_Bank = 0xB0;
|
| 359 |
|
|
}
|
| 360 |
|
|
|
| 361 |
|
|
/*******************************************************************************
|
| 362 |
|
|
* Function Name : FMI_ResumeEnable
|
| 363 |
|
|
* Description : Resume the suspended command.
|
| 364 |
|
|
* Input : FMI_Bank: specifies the suspended bank.
|
| 365 |
|
|
* This parameter can be one of the following values:
|
| 366 |
|
|
* - FMI_BANK_0: FMI bank 0.
|
| 367 |
|
|
* - FMI_BANK_1: FMI bank 1.
|
| 368 |
|
|
* Output : None
|
| 369 |
|
|
* Return : None
|
| 370 |
|
|
*******************************************************************************/
|
| 371 |
|
|
void FMI_ResumeEnable(vu32 FMI_Bank)
|
| 372 |
|
|
{
|
| 373 |
|
|
/* Write a resume command to the bank */
|
| 374 |
|
|
*(vu16 *)FMI_Bank = 0xD0;
|
| 375 |
|
|
}
|
| 376 |
|
|
|
| 377 |
|
|
/*******************************************************************************
|
| 378 |
|
|
* Function Name : FMI_ClearFlag
|
| 379 |
|
|
* Description : Clear the FMI Flags on the correspondent bank.
|
| 380 |
|
|
* Input : FMI_Bank: specifies the needed bank.
|
| 381 |
|
|
* This parameter can be one of the following values:
|
| 382 |
|
|
* - FMI_BANK_0: FMI bank 0.
|
| 383 |
|
|
* - FMI_BANK_1: FMI bank 1.
|
| 384 |
|
|
* Output : None
|
| 385 |
|
|
* Return : None
|
| 386 |
|
|
*******************************************************************************/
|
| 387 |
|
|
void FMI_ClearFlag(vu32 FMI_Bank)
|
| 388 |
|
|
{
|
| 389 |
|
|
/* Write a clear status register command */
|
| 390 |
|
|
*(vu16 *)FMI_Bank = 0x50;
|
| 391 |
|
|
}
|
| 392 |
|
|
|
| 393 |
|
|
/*******************************************************************************
|
| 394 |
|
|
* Function Name : FMI_WriteProtectionCmd
|
| 395 |
|
|
* Description : Enable or disable the write protection for the needed sector.
|
| 396 |
|
|
* Input1 : FMI_Sector: specifies the sector to be protected or
|
| 397 |
|
|
* unprotected.
|
| 398 |
|
|
* This parameter can be one of the following values:
|
| 399 |
|
|
* - FMI_B0S0: FMI bank 0 sector 0.
|
| 400 |
|
|
* - FMI_B0S1: FMI bank 0 sector 1.
|
| 401 |
|
|
* - FMI_B0S2: FMI bank 0 sector 2.
|
| 402 |
|
|
* - FMI_B0S3: FMI bank 0 sector 3.
|
| 403 |
|
|
* - FMI_B0S4: FMI bank 0 sector 4.
|
| 404 |
|
|
* - FMI_B0S5: FMI bank 0 sector 5.
|
| 405 |
|
|
* - FMI_B0S6: FMI bank 0 sector 6.
|
| 406 |
|
|
* - FMI_B0S7: FMI bank 0 sector 7.
|
| 407 |
|
|
* - FMI_B1S0: FMI bank 1 sector 0.
|
| 408 |
|
|
* - FMI_B1S1: FMI bank 1 sector 1.
|
| 409 |
|
|
* - FMI_B1S2: FMI bank 1 sector 2.
|
| 410 |
|
|
* - FMI_B1S3: FMI bank 1 sector 3.
|
| 411 |
|
|
* Input2 : FMI_NewState: specifies the protection status.
|
| 412 |
|
|
* This parameter can be one of the following values:
|
| 413 |
|
|
* - ENABLE: Enable the protection.
|
| 414 |
|
|
* - DISABLE: Disable the protection.
|
| 415 |
|
|
* Output : None
|
| 416 |
|
|
* Return : None
|
| 417 |
|
|
*******************************************************************************/
|
| 418 |
|
|
void FMI_WriteProtectionCmd(vu32 FMI_Sector, FunctionalState FMI_NewState)
|
| 419 |
|
|
{
|
| 420 |
|
|
if (FMI_NewState == ENABLE)
|
| 421 |
|
|
{
|
| 422 |
|
|
*(vu16*)FMI_Sector = 0x60;
|
| 423 |
|
|
*(vu16*)FMI_Sector = 0x01;
|
| 424 |
|
|
*(vu16*)FMI_Sector = 0xFF;
|
| 425 |
|
|
}
|
| 426 |
|
|
else /* DISABLE */
|
| 427 |
|
|
{
|
| 428 |
|
|
*(vu16*)FMI_Sector = 0x60;
|
| 429 |
|
|
*(vu16*)FMI_Sector = 0xD0;
|
| 430 |
|
|
*(vu16*)FMI_Sector = 0xFF;
|
| 431 |
|
|
}
|
| 432 |
|
|
}
|
| 433 |
|
|
|
| 434 |
|
|
/*******************************************************************************
|
| 435 |
|
|
* Function Name : FMI_GetWriteProtectionStatus
|
| 436 |
|
|
* Description : Get the write protection status for the needed sector.
|
| 437 |
|
|
* Input : FMI_Sector_Mask: specifies the needed sector mask.
|
| 438 |
|
|
* This parameter can be one of the following values:
|
| 439 |
|
|
* - FMI_B0S0_MASK: FMI bank 0 sector 0.
|
| 440 |
|
|
* - FMI_B0S1_MASK: FMI bank 0 sector 1.
|
| 441 |
|
|
* - FMI_B0S2_MASK: FMI bank 0 sector 2.
|
| 442 |
|
|
* - FMI_B0S3_MASK: FMI bank 0 sector 3.
|
| 443 |
|
|
* - FMI_B0S4_MASK: FMI bank 0 sector 4.
|
| 444 |
|
|
* - FMI_B0S5_MASK: FMI bank 0 sector 5.
|
| 445 |
|
|
* - FMI_B0S6_MASK: FMI bank 0 sector 6.
|
| 446 |
|
|
* - FMI_B0S7_MASK: FMI bank 0 sector 7.
|
| 447 |
|
|
* - FMI_B1S0_MASK: FMI bank 1 sector 0.
|
| 448 |
|
|
* - FMI_B1S1_MASK: FMI bank 1 sector 1.
|
| 449 |
|
|
* - FMI_B1S2_MASK: FMI bank 1 sector 2.
|
| 450 |
|
|
* - FMI_B1S3_MASK: FMI bank 1 sector 3.
|
| 451 |
|
|
* Output : None
|
| 452 |
|
|
* Return : The Protection Status of the needed sector.
|
| 453 |
|
|
* - RESET: The needed sector is not write protected.
|
| 454 |
|
|
* - SET : The needed sector is write protected.
|
| 455 |
|
|
*******************************************************************************/
|
| 456 |
|
|
FlagStatus FMI_GetWriteProtectionStatus(u32 FMI_Sector_Mask)
|
| 457 |
|
|
{
|
| 458 |
|
|
u16 Protection_Level_1_Register = 0;
|
| 459 |
|
|
/* Write a read flash protection level 1 register command */
|
| 460 |
|
|
*(vu16 *)FMI_BANK_1 = 0x90;
|
| 461 |
|
|
|
| 462 |
|
|
/* Read the flash protection level 1 register */
|
| 463 |
|
|
Protection_Level_1_Register = *(vu16 *)(FMI_BANK_1 + 0x10);
|
| 464 |
|
|
|
| 465 |
|
|
/* Write a read array command */
|
| 466 |
|
|
*(vu16 *)FMI_BANK_1 = 0xFF;
|
| 467 |
|
|
|
| 468 |
|
|
if (Protection_Level_1_Register &= FMI_Sector_Mask)
|
| 469 |
|
|
{
|
| 470 |
|
|
return SET;
|
| 471 |
|
|
}
|
| 472 |
|
|
else
|
| 473 |
|
|
{
|
| 474 |
|
|
return RESET;
|
| 475 |
|
|
}
|
| 476 |
|
|
}
|
| 477 |
|
|
|
| 478 |
|
|
/*******************************************************************************
|
| 479 |
|
|
* Function Name : FMI_WaitForLastOperation
|
| 480 |
|
|
* Description : Wait until the last operation (Write halfword, Write OTP
|
| 481 |
|
|
* halfword, Erase sector and Erase bank) completion.
|
| 482 |
|
|
* Input : FMI_Bank: specifies the bank where the operation is on going.
|
| 483 |
|
|
* This parameter can be one of the following values:
|
| 484 |
|
|
* - FMI_BANK_0: FMI bank 0.
|
| 485 |
|
|
* - FMI_BANK_1: FMI bank 1.
|
| 486 |
|
|
* Output : None
|
| 487 |
|
|
* Return : The timeout status.
|
| 488 |
|
|
* This parameter can be one of the following values:
|
| 489 |
|
|
* - FMI_TIME_OUT_ERROR: Timeout error occurred.
|
| 490 |
|
|
* - FMI_NO_TIME_OUT_ERROR: No timeout error.
|
| 491 |
|
|
*******************************************************************************/
|
| 492 |
|
|
u8 FMI_WaitForLastOperation(vu32 FMI_Bank)
|
| 493 |
|
|
{
|
| 494 |
|
|
u32 Time_Out = 0;
|
| 495 |
|
|
|
| 496 |
|
|
/* Write a read status register command */
|
| 497 |
|
|
*(vu16 *)(FMI_Bank) = 0x70;
|
| 498 |
|
|
|
| 499 |
|
|
/* Wait until operation compeletion */
|
| 500 |
|
|
while((!((*(vu16 *)FMI_Bank) & 0x80))&&(Time_Out < TIMEOUT ))
|
| 501 |
|
|
{
|
| 502 |
|
|
Time_Out ++; /* Time Out */
|
| 503 |
|
|
}
|
| 504 |
|
|
|
| 505 |
|
|
/* Write a read array command */
|
| 506 |
|
|
*(vu16 *)FMI_Bank = 0xFF;
|
| 507 |
|
|
|
| 508 |
|
|
if (Time_Out == TIMEOUT)
|
| 509 |
|
|
{
|
| 510 |
|
|
return FMI_TIME_OUT_ERROR;
|
| 511 |
|
|
}
|
| 512 |
|
|
else
|
| 513 |
|
|
{
|
| 514 |
|
|
return FMI_NO_TIME_OUT_ERROR;
|
| 515 |
|
|
}
|
| 516 |
|
|
}
|
| 517 |
|
|
|
| 518 |
|
|
|
| 519 |
|
|
/******************* (C) COPYRIGHT 2006 STMicroelectronics *****END OF FILE****/
|
