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author | Trygve Laugstøl <trygvis@inamo.no> | 2017-01-25 22:23:13 +0100 |
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committer | Trygve Laugstøl <trygvis@inamo.no> | 2017-01-25 22:23:17 +0100 |
commit | 2fff65aed2477a503c72629d27e2a330d30c02d1 (patch) | |
tree | 96fd9f2f8151e266c0cf8563a714d7bab8aa7cb0 /tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Utilities/STM32_EVAL/STM32100E_EVAL/stm32100e_eval_fsmc_sram.c | |
parent | 41fdd2b1f35bcb4224fdb8fee2b959e09d1f5916 (diff) | |
download | stm32f103-playground-2fff65aed2477a503c72629d27e2a330d30c02d1.tar.gz stm32f103-playground-2fff65aed2477a503c72629d27e2a330d30c02d1.tar.bz2 stm32f103-playground-2fff65aed2477a503c72629d27e2a330d30c02d1.tar.xz stm32f103-playground-2fff65aed2477a503c72629d27e2a330d30c02d1.zip |
o Seemingly working Mutexes.
o Dropping the privileged/unprivileged split for now.
Diffstat (limited to 'tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Utilities/STM32_EVAL/STM32100E_EVAL/stm32100e_eval_fsmc_sram.c')
-rw-r--r-- | tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Utilities/STM32_EVAL/STM32100E_EVAL/stm32100e_eval_fsmc_sram.c | 237 |
1 files changed, 0 insertions, 237 deletions
diff --git a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Utilities/STM32_EVAL/STM32100E_EVAL/stm32100e_eval_fsmc_sram.c b/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Utilities/STM32_EVAL/STM32100E_EVAL/stm32100e_eval_fsmc_sram.c deleted file mode 100644 index 0111a5a..0000000 --- a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Utilities/STM32_EVAL/STM32100E_EVAL/stm32100e_eval_fsmc_sram.c +++ /dev/null @@ -1,237 +0,0 @@ -/** - ****************************************************************************** - * @file stm32100e_eval_fsmc_sram.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 - * IS61WV102416BLL SRAM memory mounted on STM32100E-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 "stm32100e_eval_fsmc_sram.h" - -/** @addtogroup Utilities - * @{ - */ - -/** @addtogroup STM32_EVAL - * @{ - */ - -/** @addtogroup STM32100E_EVAL - * @{ - */ - -/** @addtogroup STM32100E_EVAL_FSMC_SRAM - * @brief This file provides a set of functions needed to drive the - * IS61WV102416BLL SRAM memory mounted on STM32100E-EVAL board. - * @{ - */ - -/** @defgroup STM32100E_EVAL_FSMC_SRAM_Private_Types - * @{ - */ -/** - * @} - */ - - -/** @defgroup STM32100E_EVAL_FSMC_SRAM_Private_Defines - * @{ - */ -/** - * @brief FSMC Bank 1 NOR/SRAM3 - */ -#define Bank1_SRAM3_ADDR ((uint32_t)0x68000000) -/** - * @} - */ - - -/** @defgroup STM32100E_EVAL_FSMC_SRAM_Private_Macros - * @{ - */ -/** - * @} - */ - - -/** @defgroup STM32100E_EVAL_FSMC_SRAM_Private_Variables - * @{ - */ -/** - * @} - */ - - -/** @defgroup STM32100E_EVAL_FSMC_SRAM_Private_Function_Prototypes - * @{ - */ -/** - * @} - */ - - -/** @defgroup STM32100E_EVAL_FSMC_SRAM_Private_Functions - * @{ - */ - -/** - * @brief Configures the FSMC and GPIOs to interface with the SRAM memory. - * This function must be called before any write/read operation - * on the SRAM. - * @param None - * @retval None - */ -void SRAM_Init(void) -{ - FSMC_NORSRAMInitTypeDef FSMC_NORSRAMInitStructure; - FSMC_NORSRAMTimingInitTypeDef p; - GPIO_InitTypeDef GPIO_InitStructure; - - RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD | RCC_APB2Periph_GPIOG | RCC_APB2Periph_GPIOE | - RCC_APB2Periph_GPIOF, ENABLE); - -/*-- GPIO Configuration ------------------------------------------------------*/ - /*!< SRAM 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); - - /*!< SRAM 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); - - /*!< NOE and NWE configuration */ - GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4 |GPIO_Pin_5; - GPIO_Init(GPIOD, &GPIO_InitStructure); - - /*!< NE3 configuration */ - GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10; - GPIO_Init(GPIOG, &GPIO_InitStructure); - - /*!< NBL0, NBL1 configuration */ - GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1; - GPIO_Init(GPIOE, &GPIO_InitStructure); - -/*-- FSMC Configuration ------------------------------------------------------*/ - p.FSMC_AddressSetupTime = 0; - p.FSMC_AddressHoldTime = 0; - p.FSMC_DataSetupTime = 3; - p.FSMC_BusTurnAroundDuration = 0; - p.FSMC_CLKDivision = 0; - p.FSMC_DataLatency = 0; - p.FSMC_AccessMode = FSMC_AccessMode_A; - - FSMC_NORSRAMInitStructure.FSMC_Bank = FSMC_Bank1_NORSRAM3; - FSMC_NORSRAMInitStructure.FSMC_DataAddressMux = FSMC_DataAddressMux_Disable; - FSMC_NORSRAMInitStructure.FSMC_MemoryType = FSMC_MemoryType_SRAM; - 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_SRAM Bank */ - FSMC_NORSRAMCmd(FSMC_Bank1_NORSRAM3, ENABLE); -} - -/** - * @brief Writes a Half-word buffer to the FSMC SRAM memory. - * @param pBuffer : pointer to buffer. - * @param WriteAddr : SRAM memory internal address from which the data will be - * written. - * @param NumHalfwordToWrite : number of half-words to write. - * @retval None - */ -void SRAM_WriteBuffer(uint16_t* pBuffer, uint32_t WriteAddr, uint32_t NumHalfwordToWrite) -{ - for(; NumHalfwordToWrite != 0; NumHalfwordToWrite--) /*!< while there is data to write */ - { - /*!< Transfer data to the memory */ - *(uint16_t *) (Bank1_SRAM3_ADDR + WriteAddr) = *pBuffer++; - - /*!< Increment the address*/ - WriteAddr += 2; - } -} - -/** - * @brief Reads a block of data from the FSMC SRAM memory. - * @param pBuffer : pointer to the buffer that receives the data read from the - * SRAM memory. - * @param ReadAddr : SRAM memory internal address to read from. - * @param NumHalfwordToRead : number of half-words to read. - * @retval None - */ -void SRAM_ReadBuffer(uint16_t* pBuffer, uint32_t ReadAddr, uint32_t NumHalfwordToRead) -{ - for(; NumHalfwordToRead != 0; NumHalfwordToRead--) /*!< while there is data to read */ - { - /*!< Read a half-word from the memory */ - *pBuffer++ = *(__IO uint16_t*) (Bank1_SRAM3_ADDR + ReadAddr); - - /*!< Increment the address*/ - ReadAddr += 2; - } -} - -/** - * @} - */ - -/** - * @} - */ - -/** - * @} - */ - -/** - * @} - */ - -/** - * @} - */ - -/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/ |