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Diffstat (limited to 'src/stm32lib/examples/FSMC/NOR/fsmc_nor.c')
| -rwxr-xr-x | src/stm32lib/examples/FSMC/NOR/fsmc_nor.c | 416 |
1 files changed, 0 insertions, 416 deletions
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****/
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