diff options
Diffstat (limited to 'src/stm32lib/examples/FSMC/SRAM/fsmc_sram.c')
| -rwxr-xr-x | src/stm32lib/examples/FSMC/SRAM/fsmc_sram.c | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/src/stm32lib/examples/FSMC/SRAM/fsmc_sram.c b/src/stm32lib/examples/FSMC/SRAM/fsmc_sram.c deleted file mode 100755 index ea7d248..0000000 --- a/src/stm32lib/examples/FSMC/SRAM/fsmc_sram.c +++ /dev/null @@ -1,161 +0,0 @@ -/******************** (C) COPYRIGHT 2008 STMicroelectronics ********************
-* File Name : fsmc_sram.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
-* IS61WV51216BLL SRAM memory 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_sram.h"
-
-/* Private typedef -----------------------------------------------------------*/
-/* Private define ------------------------------------------------------------*/
-#define Bank1_SRAM3_ADDR ((u32)0x68000000)
-
-/* Private macro -------------------------------------------------------------*/
-/* Private variables ---------------------------------------------------------*/
-/* Private function prototypes -----------------------------------------------*/
-/* Private functions ---------------------------------------------------------*/
-
-/*******************************************************************************
-* Function Name : FSMC_SRAM_Init
-* Description : Configures the FSMC and GPIOs to interface with the SRAM memory.
-* This function must be called before any write/read operation
-* on the SRAM.
-* Input : None
-* Output : None
-* Return : None
-*******************************************************************************/
-void FSMC_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 = 2;
- 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_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_SRAM Bank */
- FSMC_NORSRAMCmd(FSMC_Bank1_NORSRAM3, ENABLE);
-}
-
-/*******************************************************************************
-* Function Name : FSMC_SRAM_WriteBuffer
-* Description : Writes a Half-word buffer to the FSMC SRAM memory.
-* Input : - pBuffer : pointer to buffer.
-* - WriteAddr : SRAM memory internal address from which the data
-* will be written.
-* - NumHalfwordToWrite : number of half-words to write.
-*
-* Output : None
-* Return : None
-*******************************************************************************/
-void FSMC_SRAM_WriteBuffer(u16* pBuffer, u32 WriteAddr, u32 NumHalfwordToWrite)
-{
- for(; NumHalfwordToWrite != 0; NumHalfwordToWrite--) /* while there is data to write */
- {
- /* Transfer data to the memory */
- *(u16 *) (Bank1_SRAM3_ADDR + WriteAddr) = *pBuffer++;
-
- /* Increment the address*/
- WriteAddr += 2;
- }
-}
-
-/*******************************************************************************
-* Function Name : FSMC_SRAM_ReadBuffer
-* Description : Reads a block of data from the FSMC SRAM memory.
-* Input : - pBuffer : pointer to the buffer that receives the data read
-* from the SRAM memory.
-* - ReadAddr : SRAM memory internal address to read from.
-* - NumHalfwordToRead : number of half-words to read.
-* Output : None
-* Return : None
-*******************************************************************************/
-void FSMC_SRAM_ReadBuffer(u16* pBuffer, u32 ReadAddr, u32 NumHalfwordToRead)
-{
- for(; NumHalfwordToRead != 0; NumHalfwordToRead--) /* while there is data to read */
- {
- /* Read a half-word from the memory */
- *pBuffer++ = *(vu16*) (Bank1_SRAM3_ADDR + ReadAddr);
-
- /* Increment the address*/
- ReadAddr += 2;
- }
-}
-
-/******************* (C) COPYRIGHT 2008 STMicroelectronics *****END OF FILE****/
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