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Diffstat (limited to 'tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Utilities/STM32_EVAL/STM3210E_EVAL/stm3210e_eval_fsmc_nor.c')
| -rw-r--r-- | tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Utilities/STM32_EVAL/STM3210E_EVAL/stm3210e_eval_fsmc_nor.c | 479 |
1 files changed, 0 insertions, 479 deletions
diff --git a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Utilities/STM32_EVAL/STM3210E_EVAL/stm3210e_eval_fsmc_nor.c b/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Utilities/STM32_EVAL/STM3210E_EVAL/stm3210e_eval_fsmc_nor.c deleted file mode 100644 index e3a03d8..0000000 --- a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Utilities/STM32_EVAL/STM3210E_EVAL/stm3210e_eval_fsmc_nor.c +++ /dev/null @@ -1,479 +0,0 @@ -/** - ****************************************************************************** - * @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>© 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****/ |