fsmc_sram.c

STM32+Grlib

/**
  ******************************************************************************
  * @file FSMC/SRAM/fsmc_sram.c
  * @author  MCD Application Team
  * @version  V3.0.0
  * @date  04/06/2009
  * @brief   fsmc_sram.c file.
  ******************************************************************************
  * @copy
  *
  * 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 2009 STMicroelectronics</center></h2>
  */ 

#include "fsmc_sram.h"
#include "stm32f10x_fsmc.h"

void FSMC_LCD_Init(void);
/****************************************************************************
* 名    称：void FSMC_LCD_Init(void)
* 功    能：基于FSMC接口的16位TFT接口初始化
* 入口参数：无
* 出口参数：无
* 说    明：
* 调用方法：无 
****************************************************************************/
void FSMC_LCD_Init(void)
{
  FSMC_NORSRAMInitTypeDef  FSMC_NORSRAMInitStructure;
  FSMC_NORSRAMTimingInitTypeDef  FSMC_NORSRAMTimingInitStructure;
  GPIO_InitTypeDef  GPIO_InitStructure; 

  RCC_AHBPeriphClockCmd(RCC_AHBPeriph_FSMC, ENABLE);	   //使能FSMC接口时钟
  
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13;			   //背光控制	       
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;		   //通用推挽输出模式
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;		   //输出模式最大速度50MHz
  GPIO_Init(GPIOD, &GPIO_InitStructure);    
  GPIO_SetBits(GPIOD,GPIO_Pin_13 );			               //打开背光


  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;                //TFT 复位脚
  //GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;		   //通用推挽输出模式
  //GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;		   //输出模式最大速度50MHz
  GPIO_Init(GPIOE, &GPIO_InitStructure);  
  
  	
  /*  启用FSMC复用功能， 定义FSMC D0---D15及nWE, nOE对应的引脚  */
  /* 设置 PD.00(D2), PD.01(D3), PD.04(nOE), PD.05(nWE), PD.08(D13), PD.09(D14), PD.10(D15),
     PD.14(D0), PD.15(D1) 为复用上拉 */
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_4 | GPIO_Pin_5 |
                                GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 | GPIO_Pin_14 | 
                                GPIO_Pin_15;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;		   //最大速度50MHz
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;		   //复用模式
  GPIO_Init(GPIOD, &GPIO_InitStructure);

  /* 设置 PE.07(D4), PE.08(D5), PE.09(D6), PE.10(D7), PE.11(D8), PE.12(D9), PE.13(D10),
     PE.14(D11), PE.15(D12) 为复用上拉 */
  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); 


  
  /* FSMC  NE1 配置 PD7 */
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7; 
  GPIO_Init(GPIOD, &GPIO_InitStructure);
  
  /* FSMC RS配置 PD11-A16 */
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11 ; 
  GPIO_Init(GPIOD, &GPIO_InitStructure); 

  FSMC_NORSRAMTimingInitStructure.FSMC_AddressSetupTime = 0x02;
  FSMC_NORSRAMTimingInitStructure.FSMC_AddressHoldTime = 0x00;
  FSMC_NORSRAMTimingInitStructure.FSMC_DataSetupTime = 0x05;
  FSMC_NORSRAMTimingInitStructure.FSMC_BusTurnAroundDuration = 0x00;
  FSMC_NORSRAMTimingInitStructure.FSMC_CLKDivision = 0x00;
  FSMC_NORSRAMTimingInitStructure.FSMC_DataLatency = 0x00;
  FSMC_NORSRAMTimingInitStructure.FSMC_AccessMode = FSMC_AccessMode_B;

  FSMC_NORSRAMInitStructure.FSMC_Bank = FSMC_Bank1_NORSRAM1;
  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_WriteBurst = FSMC_WriteBurst_Disable;
  FSMC_NORSRAMInitStructure.FSMC_ReadWriteTimingStruct = &FSMC_NORSRAMTimingInitStructure;
  FSMC_NORSRAMInitStructure.FSMC_WriteTimingStruct = &FSMC_NORSRAMTimingInitStructure;

  FSMC_NORSRAMInit(&FSMC_NORSRAMInitStructure); 

  /* 使能FSMC BANK1_SRAM 模式 */
  FSMC_NORSRAMCmd(FSMC_Bank1_NORSRAM1, ENABLE);  
}