diff libs/STM32F10x_StdPeriph_Lib_V3.5.0/Utilities/STM32_EVAL/STM3210E_EVAL/stm3210e_eval_fsmc_nor.c @ 0:c59513fd84fb

Initial commit of STM32 test code.
author Daniel O'Connor <darius@dons.net.au>
date Mon, 03 Oct 2011 21:19:15 +1030
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children
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libs/STM32F10x_StdPeriph_Lib_V3.5.0/Utilities/STM32_EVAL/STM3210E_EVAL/stm3210e_eval_fsmc_nor.c	Mon Oct 03 21:19:15 2011 +1030
@@ -0,0 +1,479 @@
+/**
+  ******************************************************************************
+  * @file    stm3210e_eval_fsmc_nor.c
+  * @author  MCD Application Team
+  * @version V4.5.0
+  * @date    07-March-2011
+  * @brief   This file provides a set of functions needed to drive the M29W128FL, 
+  *          M29W128GL and S29GL128P NOR memories mounted on STM3210E-EVAL board.
+  ******************************************************************************
+  * @attention
+  *
+  * 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.
+  *
+  * <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
+  ******************************************************************************  
+  */ 
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm3210e_eval_fsmc_nor.h"
+
+/** @addtogroup Utilities
+  * @{
+  */
+  
+/** @addtogroup STM32_EVAL
+  * @{
+  */ 
+
+/** @addtogroup STM3210E_EVAL
+  * @{
+  */
+  
+/** @addtogroup STM3210E_EVAL_FSMC_NOR
+  * @brief      This file provides a set of functions needed to drive the M29W128FL, 
+  *             M29W128GL and S29GL128P NOR memories mounted on STM3210E-EVAL board.
+  * @{
+  */ 
+
+/** @defgroup STM3210E_EVAL_FSMC_NOR_Private_Types
+  * @{
+  */ 
+/**
+  * @}
+  */ 
+
+/** @defgroup STM3210E_EVAL_FSMC_NOR_Private_Defines
+  * @{
+  */ 
+/** 
+  * @brief  FSMC Bank 1 NOR/SRAM2  
+  */
+#define Bank1_NOR2_ADDR       ((uint32_t)0x64000000)
+
+/* Delay definition */   
+#define BlockErase_Timeout    ((uint32_t)0x00A00000)
+#define ChipErase_Timeout     ((uint32_t)0x30000000) 
+#define Program_Timeout       ((uint32_t)0x00001400)     
+/**
+  * @}
+  */ 
+
+
+/** @defgroup STM3210E_EVAL_FSMC_NOR_Private_Macros
+  * @{
+  */
+#define ADDR_SHIFT(A) (Bank1_NOR2_ADDR + (2 * (A)))
+#define NOR_WRITE(Address, Data)  (*(__IO uint16_t *)(Address) = (Data))  
+/**
+  * @}
+  */ 
+  
+
+/** @defgroup STM3210E_EVAL_FSMC_NOR_Private_Variables
+  * @{
+  */ 
+/**
+  * @}
+  */ 
+
+
+/** @defgroupSTM3210E_EVAL_FSMC_NOR_Private_Function_Prototypes
+  * @{
+  */ 
+/**
+  * @}
+  */ 
+
+
+/** @defgroup STM3210E_EVAL_FSMC_NOR_Private_Functions
+  * @{
+  */
+
+/**
+  * @brief  Configures the FSMC and GPIOs to interface with the NOR memory.
+  *         This function must be called before any write/read operation
+  *         on the NOR.
+  * @param  None
+  * @retval None
+  */
+void 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);
+
+  /*!< Configure PD6 for NOR memory Ready/Busy signal */
+  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6;
+  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
+  GPIO_Init(GPIOD, &GPIO_InitStructure);
+  
+  /*-- FSMC Configuration ----------------------------------------------------*/
+  p.FSMC_AddressSetupTime = 0x02;
+  p.FSMC_AddressHoldTime = 0x00;
+  p.FSMC_DataSetupTime = 0x05;
+  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_AsynchronousWait = FSMC_AsynchronousWait_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_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);
+}
+
+/**
+  * @brief  Reads NOR memory's Manufacturer and Device Code.
+  * @param  NOR_ID: pointer to a NOR_IDTypeDef structure which will hold the 
+  *         Manufacturer and Device Code.  
+  * @retval None
+  */
+void 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 = *(__IO uint16_t *) ADDR_SHIFT(0x0000);
+  NOR_ID->Device_Code1 = *(__IO uint16_t *) ADDR_SHIFT(0x0001);
+  NOR_ID->Device_Code2 = *(__IO uint16_t *) ADDR_SHIFT(0x000E);
+  NOR_ID->Device_Code3 = *(__IO uint16_t *) ADDR_SHIFT(0x000F);
+}
+
+/**
+  * @brief  Erases the specified Nor memory block.
+  * @param  BlockAddr: address of the block to erase.
+  * @retval NOR_Status: The returned value can be: NOR_SUCCESS, NOR_ERROR
+  *         or NOR_TIMEOUT
+  */
+NOR_Status NOR_EraseBlock(uint32_t 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 (NOR_GetStatus(BlockErase_Timeout));
+}
+
+/**
+  * @brief  Erases the entire chip.
+  * @param  None                      
+  * @retval NOR_Status: The returned value can be: NOR_SUCCESS, NOR_ERROR
+  *         or NOR_TIMEOUT
+  */
+NOR_Status 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 (NOR_GetStatus(ChipErase_Timeout));
+}
+
+/**
+  * @brief  Writes a half-word to the NOR memory.
+  * @param  WriteAddr: NOR memory internal address to write to.
+  * @param  Data: Data to write. 
+  * @retval NOR_Status: The returned value can be: NOR_SUCCESS, NOR_ERROR
+  *         or NOR_TIMEOUT
+  */
+NOR_Status NOR_WriteHalfWord(uint32_t WriteAddr, uint16_t 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 (NOR_GetStatus(Program_Timeout));
+}
+
+/**
+  * @brief  Writes a half-word buffer to the FSMC NOR memory. 
+  * @param  pBuffer: pointer to buffer. 
+  * @param  WriteAddr: NOR memory internal address from which the data will be 
+  *         written.
+  * @param  NumHalfwordToWrite: number of Half words to write. 
+  * @retval NOR_Status: The returned value can be: NOR_SUCCESS, NOR_ERROR
+  *         or NOR_TIMEOUT
+  */
+NOR_Status NOR_WriteBuffer(uint16_t* pBuffer, uint32_t WriteAddr, uint32_t NumHalfwordToWrite)
+{
+  NOR_Status status = NOR_ONGOING; 
+
+  do
+  {
+    /*!< Transfer data to the memory */
+    status = NOR_WriteHalfWord(WriteAddr, *pBuffer++);
+    WriteAddr = WriteAddr + 2;
+    NumHalfwordToWrite--;
+  }
+  while((status == NOR_SUCCESS) && (NumHalfwordToWrite != 0));
+  
+  return (status); 
+}
+
+/**
+  * @brief  Writes a half-word buffer to the FSMC NOR memory. This function 
+  *         must be used only with S29GL128P NOR memory.
+  * @param  pBuffer: pointer to buffer. 
+  * @param  WriteAddr: NOR memory internal address from which the data will be 
+  *         written.
+  * @param  NumHalfwordToWrite: number of Half words to write.
+  *         The maximum allowed value is 32 Half words (64 bytes).
+  * @retval NOR_Status: The returned value can be: NOR_SUCCESS, NOR_ERROR
+  *         or NOR_TIMEOUT
+  */
+NOR_Status NOR_ProgramBuffer(uint16_t* pBuffer, uint32_t WriteAddr, uint32_t NumHalfwordToWrite)
+{
+  uint32_t lastloadedaddress = 0x00;
+  uint32_t currentaddress = 0x00;
+  uint32_t 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(NOR_GetStatus(Program_Timeout));
+}
+
+/**
+  * @brief  Reads a half-word from the NOR memory. 
+  * @param  ReadAddr: NOR memory internal address to read from.
+  * @retval Half-word read from the NOR memory
+  */
+uint16_t NOR_ReadHalfWord(uint32_t ReadAddr)
+{
+  NOR_WRITE(ADDR_SHIFT(0x00555), 0x00AA); 
+  NOR_WRITE(ADDR_SHIFT(0x002AA), 0x0055);  
+  NOR_WRITE((Bank1_NOR2_ADDR + ReadAddr), 0x00F0 );
+
+  return (*(__IO uint16_t *)((Bank1_NOR2_ADDR + ReadAddr)));
+}
+
+/**
+  * @brief  Reads a block of data from the FSMC NOR memory.
+  * @param  pBuffer: pointer to the buffer that receives the data read from the 
+  *         NOR memory.
+  * @param  ReadAddr: NOR memory internal address to read from.
+  * @param  NumHalfwordToRead : number of Half word to read.
+  * @retval None
+  */
+void NOR_ReadBuffer(uint16_t* pBuffer, uint32_t ReadAddr, uint32_t 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++ = *(__IO uint16_t *)((Bank1_NOR2_ADDR + ReadAddr));
+    ReadAddr = ReadAddr + 2; 
+  }  
+}
+
+/**
+  * @brief  Returns the NOR memory to Read mode.
+  * @param  None
+  * @retval NOR_SUCCESS
+  */
+NOR_Status NOR_ReturnToReadMode(void)
+{
+  NOR_WRITE(Bank1_NOR2_ADDR, 0x00F0);
+
+  return (NOR_SUCCESS);
+}
+
+/**
+  * @brief  Returns the NOR memory to Read mode and resets the errors in the NOR 
+  *         memory Status Register.  
+  * @param  None
+  * @retval NOR_SUCCESS
+  */
+NOR_Status NOR_Reset(void)
+{
+  NOR_WRITE(ADDR_SHIFT(0x00555), 0x00AA); 
+  NOR_WRITE(ADDR_SHIFT(0x002AA), 0x0055); 
+  NOR_WRITE(Bank1_NOR2_ADDR, 0x00F0); 
+
+  return (NOR_SUCCESS);
+}
+
+/**
+  * @brief  Returns the NOR operation status.
+  * @param  Timeout: NOR progamming Timeout
+  * @retval NOR_Status: The returned value can be: NOR_SUCCESS, NOR_ERROR
+  *         or NOR_TIMEOUT
+  */
+NOR_Status NOR_GetStatus(uint32_t Timeout)
+{ 
+  uint16_t val1 = 0x00, val2 = 0x00;
+  NOR_Status status = NOR_ONGOING; 
+  uint32_t 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 = *(__IO uint16_t *)(Bank1_NOR2_ADDR);
+    val2 = *(__IO uint16_t *)(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 = *(__IO uint16_t *)(Bank1_NOR2_ADDR);
+    val2 = *(__IO uint16_t *)(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 2011 STMicroelectronics *****END OF FILE****/