From a8aaabae4c1cc64a01d740a436336ca31c1f79ba Mon Sep 17 00:00:00 2001 From: iperry Date: Thu, 17 Dec 2009 02:46:08 +0000 Subject: removed extraneous files, stm32lib examples git-svn-id: https://leaflabs.googlecode.com/svn/trunk/library@70 749a229e-a60e-11de-b98f-4500b42dc123 --- src/stm32lib/examples/FSMC/NOR/fsmc_nor.c | 416 ------------------------------ 1 file changed, 416 deletions(-) delete mode 100755 src/stm32lib/examples/FSMC/NOR/fsmc_nor.c (limited to 'src/stm32lib/examples/FSMC/NOR/fsmc_nor.c') diff --git a/src/stm32lib/examples/FSMC/NOR/fsmc_nor.c b/src/stm32lib/examples/FSMC/NOR/fsmc_nor.c deleted file mode 100755 index f72a14c..0000000 --- a/src/stm32lib/examples/FSMC/NOR/fsmc_nor.c +++ /dev/null @@ -1,416 +0,0 @@ -/******************** (C) COPYRIGHT 2008 STMicroelectronics ******************** -* File Name : fsmc_nor.c -* Author : MCD Application Team -* Version : V2.0.1 -* Date : 06/13/2008 -* Description : This file provides a set of functions needed to drive the -* M29W128FL, M29W128GL and S29GL128P NOR memories mounted -* on STM3210E-EVAL board. -******************************************************************************** -* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS -* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME. -* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT, -* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE -* CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING -* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. -*******************************************************************************/ -/* Includes ------------------------------------------------------------------*/ -#include "fsmc_nor.h" - -/* Private typedef -----------------------------------------------------------*/ -/* Private define ------------------------------------------------------------*/ -#define Bank1_NOR2_ADDR ((u32)0x64000000) - -/* Delay definition */ -#define BlockErase_Timeout ((u32)0x00A00000) -#define ChipErase_Timeout ((u32)0x30000000) -#define Program_Timeout ((u32)0x00001400) - -/* Private macro -------------------------------------------------------------*/ -#define ADDR_SHIFT(A) (Bank1_NOR2_ADDR + (2 * (A))) -#define NOR_WRITE(Address, Data) (*(vu16 *)(Address) = (Data)) - -/* Private variables ---------------------------------------------------------*/ -/* Private function prototypes -----------------------------------------------*/ -/* Private functions ---------------------------------------------------------*/ -/******************************************************************************* -* Function Name : FSMC_NOR_Init -* Description : Configures the FSMC and GPIOs to interface with the NOR memory. -* This function must be called before any write/read operation -* on the NOR. -* Input : None -* Output : None -* Return : None -*******************************************************************************/ -void FSMC_NOR_Init(void) -{ - FSMC_NORSRAMInitTypeDef FSMC_NORSRAMInitStructure; - FSMC_NORSRAMTimingInitTypeDef p; - GPIO_InitTypeDef GPIO_InitStructure; - - RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD | RCC_APB2Periph_GPIOE | - RCC_APB2Periph_GPIOF | RCC_APB2Periph_GPIOG, ENABLE); - - /*-- GPIO Configuration ------------------------------------------------------*/ - /* NOR Data lines configuration */ - GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_8 | GPIO_Pin_9 | - GPIO_Pin_10 | GPIO_Pin_14 | GPIO_Pin_15; - GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; - GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; - GPIO_Init(GPIOD, &GPIO_InitStructure); - - GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7 | GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 | - GPIO_Pin_11 | GPIO_Pin_12 | GPIO_Pin_13 | - GPIO_Pin_14 | GPIO_Pin_15; - GPIO_Init(GPIOE, &GPIO_InitStructure); - - /* NOR Address lines configuration */ - GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_3 | - GPIO_Pin_4 | GPIO_Pin_5 | GPIO_Pin_12 | GPIO_Pin_13 | - GPIO_Pin_14 | GPIO_Pin_15; - GPIO_Init(GPIOF, &GPIO_InitStructure); - - GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_2 | - GPIO_Pin_3 | GPIO_Pin_4 | GPIO_Pin_5; - GPIO_Init(GPIOG, &GPIO_InitStructure); - - GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11 | GPIO_Pin_12 | GPIO_Pin_13; - GPIO_Init(GPIOD, &GPIO_InitStructure); - - GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3 | GPIO_Pin_4 | GPIO_Pin_5 | GPIO_Pin_6; - GPIO_Init(GPIOE, &GPIO_InitStructure); - - /* NOE and NWE configuration */ - GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4 | GPIO_Pin_5; - GPIO_Init(GPIOD, &GPIO_InitStructure); - - /* NE2 configuration */ - GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9; - GPIO_Init(GPIOG, &GPIO_InitStructure); - - /*-- FSMC Configuration ----------------------------------------------------*/ - p.FSMC_AddressSetupTime = 0x05; - p.FSMC_AddressHoldTime = 0x00; - p.FSMC_DataSetupTime = 0x07; - p.FSMC_BusTurnAroundDuration = 0x00; - p.FSMC_CLKDivision = 0x00; - p.FSMC_DataLatency = 0x00; - p.FSMC_AccessMode = FSMC_AccessMode_B; - - FSMC_NORSRAMInitStructure.FSMC_Bank = FSMC_Bank1_NORSRAM2; - FSMC_NORSRAMInitStructure.FSMC_DataAddressMux = FSMC_DataAddressMux_Disable; - FSMC_NORSRAMInitStructure.FSMC_MemoryType = FSMC_MemoryType_NOR; - FSMC_NORSRAMInitStructure.FSMC_MemoryDataWidth = FSMC_MemoryDataWidth_16b; - FSMC_NORSRAMInitStructure.FSMC_BurstAccessMode = FSMC_BurstAccessMode_Disable; - FSMC_NORSRAMInitStructure.FSMC_WaitSignalPolarity = FSMC_WaitSignalPolarity_Low; - FSMC_NORSRAMInitStructure.FSMC_WrapMode = FSMC_WrapMode_Disable; - FSMC_NORSRAMInitStructure.FSMC_WaitSignalActive = FSMC_WaitSignalActive_BeforeWaitState; - FSMC_NORSRAMInitStructure.FSMC_WriteOperation = FSMC_WriteOperation_Enable; - FSMC_NORSRAMInitStructure.FSMC_WaitSignal = FSMC_WaitSignal_Disable; - FSMC_NORSRAMInitStructure.FSMC_ExtendedMode = FSMC_ExtendedMode_Disable; - FSMC_NORSRAMInitStructure.FSMC_AsyncWait = FSMC_AsyncWait_Disable; - FSMC_NORSRAMInitStructure.FSMC_WriteBurst = FSMC_WriteBurst_Disable; - FSMC_NORSRAMInitStructure.FSMC_ReadWriteTimingStruct = &p; - FSMC_NORSRAMInitStructure.FSMC_WriteTimingStruct = &p; - - FSMC_NORSRAMInit(&FSMC_NORSRAMInitStructure); - - /* Enable FSMC Bank1_NOR Bank */ - FSMC_NORSRAMCmd(FSMC_Bank1_NORSRAM2, ENABLE); -} - -/****************************************************************************** -* Function Name : FSMC_NOR_ReadID -* Description : Reads NOR memory's Manufacturer and Device Code. -* Input : - NOR_ID: pointer to a NOR_IDTypeDef structure which will hold -* the Manufacturer and Device Code. -* Output : None -* Return : None -*******************************************************************************/ -void FSMC_NOR_ReadID(NOR_IDTypeDef* NOR_ID) -{ - NOR_WRITE(ADDR_SHIFT(0x0555), 0x00AA); - NOR_WRITE(ADDR_SHIFT(0x02AA), 0x0055); - NOR_WRITE(ADDR_SHIFT(0x0555), 0x0090); - - NOR_ID->Manufacturer_Code = *(vu16 *) ADDR_SHIFT(0x0000); - NOR_ID->Device_Code1 = *(vu16 *) ADDR_SHIFT(0x0001); - NOR_ID->Device_Code2 = *(vu16 *) ADDR_SHIFT(0x000E); - NOR_ID->Device_Code3 = *(vu16 *) ADDR_SHIFT(0x000F); -} - -/******************************************************************************* -* Function Name : FSMC_NOR_EraseBlock -* Description : Erases the specified Nor memory block. -* Input : - BlockAddr: address of the block to erase. -* Output : None -* Return : NOR_Status:The returned value can be: NOR_SUCCESS, NOR_ERROR -* or NOR_TIMEOUT -*******************************************************************************/ -NOR_Status FSMC_NOR_EraseBlock(u32 BlockAddr) -{ - NOR_WRITE(ADDR_SHIFT(0x0555), 0x00AA); - NOR_WRITE(ADDR_SHIFT(0x02AA), 0x0055); - NOR_WRITE(ADDR_SHIFT(0x0555), 0x0080); - NOR_WRITE(ADDR_SHIFT(0x0555), 0x00AA); - NOR_WRITE(ADDR_SHIFT(0x02AA), 0x0055); - NOR_WRITE((Bank1_NOR2_ADDR + BlockAddr), 0x30); - - return (FSMC_NOR_GetStatus(BlockErase_Timeout)); -} - -/******************************************************************************* -* Function Name : FSMC_NOR_EraseChip -* Description : Erases the entire chip. -* Input : None -* Output : None -* Return : NOR_Status:The returned value can be: NOR_SUCCESS, NOR_ERROR -* or NOR_TIMEOUT -*******************************************************************************/ -NOR_Status FSMC_NOR_EraseChip(void) -{ - NOR_WRITE(ADDR_SHIFT(0x0555), 0x00AA); - NOR_WRITE(ADDR_SHIFT(0x02AA), 0x0055); - NOR_WRITE(ADDR_SHIFT(0x0555), 0x0080); - NOR_WRITE(ADDR_SHIFT(0x0555), 0x00AA); - NOR_WRITE(ADDR_SHIFT(0x02AA), 0x0055); - NOR_WRITE(ADDR_SHIFT(0x0555), 0x0010); - - return (FSMC_NOR_GetStatus(ChipErase_Timeout)); -} - -/****************************************************************************** -* Function Name : FSMC_NOR_WriteHalfWord -* Description : Writes a half-word to the NOR memory. -* Input : - WriteAddr : NOR memory internal address to write to. -* - Data : Data to write. -* Output : None -* Return : NOR_Status:The returned value can be: NOR_SUCCESS, NOR_ERROR -* or NOR_TIMEOUT -*******************************************************************************/ -NOR_Status FSMC_NOR_WriteHalfWord(u32 WriteAddr, u16 Data) -{ - NOR_WRITE(ADDR_SHIFT(0x0555), 0x00AA); - NOR_WRITE(ADDR_SHIFT(0x02AA), 0x0055); - NOR_WRITE(ADDR_SHIFT(0x0555), 0x00A0); - NOR_WRITE((Bank1_NOR2_ADDR + WriteAddr), Data); - - return (FSMC_NOR_GetStatus(Program_Timeout)); -} - -/******************************************************************************* -* Function Name : FSMC_NOR_WriteBuffer -* Description : Writes a half-word buffer to the FSMC NOR memory. -* Input : - pBuffer : pointer to buffer. -* - WriteAddr : NOR memory internal address from which the data -* will be written. -* - NumHalfwordToWrite : number of Half words to write. -* Output : None -* Return : NOR_Status:The returned value can be: NOR_SUCCESS, NOR_ERROR -* or NOR_TIMEOUT -*******************************************************************************/ -NOR_Status FSMC_NOR_WriteBuffer(u16* pBuffer, u32 WriteAddr, u32 NumHalfwordToWrite) -{ - NOR_Status status = NOR_ONGOING; - - do - { - /* Transfer data to the memory */ - status = FSMC_NOR_WriteHalfWord(WriteAddr, *pBuffer++); - WriteAddr = WriteAddr + 2; - NumHalfwordToWrite--; - } - while((status == NOR_SUCCESS) && (NumHalfwordToWrite != 0)); - - return (status); -} - -/******************************************************************************* -* Function Name : FSMC_NOR_ProgramBuffer -* Description : Writes a half-word buffer to the FSMC NOR memory. This function -* must be used only with S29GL128P NOR memory. -* Input : - pBuffer : pointer to buffer. -* - WriteAddr: NOR memory internal address from which the data -* will be written. -* - NumHalfwordToWrite: number of Half words to write. -* The maximum allowed value is 32 Half words (64 bytes). -* Output : None -* Return : NOR_Status:The returned value can be: NOR_SUCCESS, NOR_ERROR -* or NOR_TIMEOUT -*******************************************************************************/ -NOR_Status FSMC_NOR_ProgramBuffer(u16* pBuffer, u32 WriteAddr, u32 NumHalfwordToWrite) -{ - u32 lastloadedaddress = 0x00; - u32 currentaddress = 0x00; - u32 endaddress = 0x00; - - /* Initialize variables */ - currentaddress = WriteAddr; - endaddress = WriteAddr + NumHalfwordToWrite - 1; - lastloadedaddress = WriteAddr; - - /* Issue unlock command sequence */ - NOR_WRITE(ADDR_SHIFT(0x00555), 0x00AA); - - NOR_WRITE(ADDR_SHIFT(0x02AA), 0x0055); - - /* Write Write Buffer Load Command */ - NOR_WRITE(ADDR_SHIFT(WriteAddr), 0x0025); - NOR_WRITE(ADDR_SHIFT(WriteAddr), (NumHalfwordToWrite - 1)); - - /* Load Data into NOR Buffer */ - while(currentaddress <= endaddress) - { - /* Store last loaded address & data value (for polling) */ - lastloadedaddress = currentaddress; - - NOR_WRITE(ADDR_SHIFT(currentaddress), *pBuffer++); - currentaddress += 1; - } - - NOR_WRITE(ADDR_SHIFT(lastloadedaddress), 0x29); - - return(FSMC_NOR_GetStatus(Program_Timeout)); -} - -/****************************************************************************** -* Function Name : FSMC_NOR_ReadHalfWord -* Description : Reads a half-word from the NOR memory. -* Input : - ReadAddr : NOR memory internal address to read from. -* Output : None -* Return : Half-word read from the NOR memory -*******************************************************************************/ -u16 FSMC_NOR_ReadHalfWord(u32 ReadAddr) -{ - NOR_WRITE(ADDR_SHIFT(0x00555), 0x00AA); - NOR_WRITE(ADDR_SHIFT(0x002AA), 0x0055); - NOR_WRITE((Bank1_NOR2_ADDR + ReadAddr), 0x00F0 ); - - return (*(vu16 *)((Bank1_NOR2_ADDR + ReadAddr))); -} - -/******************************************************************************* -* Function Name : FSMC_NOR_ReadBuffer -* Description : Reads a block of data from the FSMC NOR memory. -* Input : - pBuffer : pointer to the buffer that receives the data read -* from the NOR memory. -* - ReadAddr : NOR memory internal address to read from. -* - NumHalfwordToRead : number of Half word to read. -* Output : None -* Return : None -*******************************************************************************/ -void FSMC_NOR_ReadBuffer(u16* pBuffer, u32 ReadAddr, u32 NumHalfwordToRead) -{ - NOR_WRITE(ADDR_SHIFT(0x0555), 0x00AA); - NOR_WRITE(ADDR_SHIFT(0x02AA), 0x0055); - NOR_WRITE((Bank1_NOR2_ADDR + ReadAddr), 0x00F0); - - for(; NumHalfwordToRead != 0x00; NumHalfwordToRead--) /* while there is data to read */ - { - /* Read a Halfword from the NOR */ - *pBuffer++ = *(vu16 *)((Bank1_NOR2_ADDR + ReadAddr)); - ReadAddr = ReadAddr + 2; - } -} - -/****************************************************************************** -* Function Name : FSMC_NOR_ReturnToReadMode -* Description : Returns the NOR memory to Read mode. -* Input : None -* Output : None -* Return : NOR_SUCCESS -*******************************************************************************/ -NOR_Status FSMC_NOR_ReturnToReadMode(void) -{ - NOR_WRITE(Bank1_NOR2_ADDR, 0x00F0); - - return (NOR_SUCCESS); -} - -/****************************************************************************** -* Function Name : FSMC_NOR_Reset -* Description : Returns the NOR memory to Read mode and resets the errors in -* the NOR memory Status Register. -* Input : None -* Output : None -* Return : NOR_SUCCESS -*******************************************************************************/ -NOR_Status FSMC_NOR_Reset(void) -{ - NOR_WRITE(ADDR_SHIFT(0x00555), 0x00AA); - NOR_WRITE(ADDR_SHIFT(0x002AA), 0x0055); - NOR_WRITE(Bank1_NOR2_ADDR, 0x00F0); - - return (NOR_SUCCESS); -} - -/****************************************************************************** -* Function Name : FSMC_NOR_GetStatus -* Description : Returns the NOR operation status. -* Input : - Timeout: NOR progamming Timeout -* Output : None -* Return : NOR_Status:The returned value can be: NOR_SUCCESS, NOR_ERROR -* or NOR_TIMEOUT -*******************************************************************************/ -NOR_Status FSMC_NOR_GetStatus(u32 Timeout) -{ - u16 val1 = 0x00, val2 = 0x00; - NOR_Status status = NOR_ONGOING; - u32 timeout = Timeout; - - /* Poll on NOR memory Ready/Busy signal ------------------------------------*/ - while((GPIO_ReadInputDataBit(GPIOD, GPIO_Pin_6) != RESET) && (timeout > 0)) - { - timeout--; - } - - timeout = Timeout; - - while((GPIO_ReadInputDataBit(GPIOD, GPIO_Pin_6) == RESET) && (timeout > 0)) - { - timeout--; - } - - /* Get the NOR memory operation status -------------------------------------*/ - while((Timeout != 0x00) && (status != NOR_SUCCESS)) - { - Timeout--; - - /* Read DQ6 and DQ5 */ - val1 = *(vu16 *)(Bank1_NOR2_ADDR); - val2 = *(vu16 *)(Bank1_NOR2_ADDR); - - /* If DQ6 did not toggle between the two reads then return NOR_Success */ - if((val1 & 0x0040) == (val2 & 0x0040)) - { - return NOR_SUCCESS; - } - - if((val1 & 0x0020) != 0x0020) - { - status = NOR_ONGOING; - } - - val1 = *(vu16 *)(Bank1_NOR2_ADDR); - val2 = *(vu16 *)(Bank1_NOR2_ADDR); - - if((val1 & 0x0040) == (val2 & 0x0040)) - { - return NOR_SUCCESS; - } - else if((val1 & 0x0020) == 0x0020) - { - return NOR_ERROR; - } - } - - if(Timeout == 0x00) - { - status = NOR_TIMEOUT; - } - - /* Return the operation status */ - return (status); -} - -/******************* (C) COPYRIGHT 2008 STMicroelectronics *****END OF FILE****/ -- cgit v1.2.3