原创 STM32的12864液晶并行控制程序

 2011-9-18 23:45  9104 7 7 分类: MCU/ 嵌入式

mpu12864.h 文件

//------------------------------
//       12864驱动程序
//1：#define rs   PAo_0    #define rw   PAo_1
// #define en    PAo_2 为液晶控制线（并行操作，其他线悬空就行）
//2：数据口：PD0---PD7:
//3：其中PA0--2和PD0--7，已在mpu12864.c初始化中设
//   为推挽主函数中不用设置，只需打开PA,PD的时钟
//4：在用到的的程序中声明 #include"mpu12864.h"
//   即可用以下函数
//------------------------------------

#ifndef __MPU12864_H__
#define __MPU12864_H__
#include "stm32f10x.h"
extern void write12864_com(u8 com);//写命令
extern void write12864_dat(u8 dat); //写数据
extern void lcd12864_init(void); //初始化
//------定地址函数（y为行数，x行为列数)------*/
//参数：第几行，第几个位置，什么字符*/
//----------------------------------*/
//参数：第几行，第几个位置，什么字符串首地址*/
//-------------------------------------*/
extern void write12864_string(u8 hang,u8 numadd,u8 *p);
#endif

mpu12864.c 文件

#include"stm32f10x.h"
#include"mpu12864.h"
#include"gpiobitmap.h"
//---------控制线定义----

#define rs   PAo_0     //P2^5;
#define rw   PAo_1     //P2^6;
#define en    PAo_2    //P2^7;
//------------------------

void delayms(unsigned short time)//nms
{
    unsigned short i, j;

for(; time > 0; time--){
     for(j = 0; j < 10; j++){
      for(i = 0; i < 1000; i++);
  }
}

}

void write12864_com(u8 com) //写命令
  {
   GPIOD->ODR&=0xff00;
      en=0;
   rs=0;
   GPIOD->ODR|=com;
   delayms(1);   //延时太少不行
   en=1;
     delayms(1);
   en=0;
  }
void write12864_dat(u8 dat)//写数据
  {
   GPIOD->ODR&=0xff00;
   en=0;
   rs=1;
   GPIOD->ODR|=dat; /
//-------------------------------------/
void write12864_string(u8 hang,u8 numadd,u8 *p)
  {

     lcd12864_posxy( hang, numadd);
   while(*p!='\0')
   write12864_dat(*p++);
  }

main .c文件

#include "stm32f10x.h"
#include"mpu12864.h"
#include "gpiobitmap.h"
#include"delay.h"
//-------------------------------------------
EXTI_InitTypeDef EXTI_InitStructure;
ErrorStatus HSEStartUpStatus;
//------------------------------------------

void RCC_Configuration(void);
void GPIO_Configuration(void);
void NVIC_Configuration(void);

unsigned char table[]="2010-4-30";
unsigned char table0[]="新年快乐!";
//--------------------------------------

//----------------------------------------

int main(void)
{

RCC_Configuration();
NVIC_Configuration();

GPIO_Configuration();

lcd12864_init();

while (1)
{

   write12864_string(1,4,table);
   write12864_string(2,1,table0);
   while(1);
}
}

void RCC_Configuration(void)
{
RCC_DeInit();

RCC_HSEConfig(RCC_HSE_ON);

HSEStartUpStatus = RCC_WaitForHSEStartUp();

if(HSEStartUpStatus == SUCCESS)
{

FLASH_PrefetchBufferCmd(FLASH_PrefetchBuffer_Enable);

    FLASH_SetLatency(FLASH_Latency_2);


    RCC_HCLKConfig(RCC_SYSCLK_Div1);


    RCC_PCLK2Config(RCC_HCLK_Div1);

RCC_PCLK1Config(RCC_HCLK_Div2);

RCC_PLLConfig(RCC_PLLSource_HSE_Div1, RCC_PLLMul_9);

RCC_PLLCmd(ENABLE);

    while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET)
    {
    }

RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);

    while(RCC_GetSYSCLKSource() != 0x08)
    {
    }
}
   //----------------------------------
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC|RCC_APB2Periph_GPIOA| RCC_APB2Periph_GPIOD
| RCC_APB2Periph_GPIOB | RCC_APB2Periph_AFIO, ENABLE);

}

void GPIO_Configuration(void)
{

//GPIO_InitTypeDef GPIO_InitStructure;

}

void NVIC_Configuration(void)
{
//NVIC_InitTypeDef NVIC_InitStructure;

#ifdef VECT_TAB_RAM

NVIC_SetVectorTable(NVIC_VectTab_RAM, 0x0);
#else

NVIC_SetVectorTable(NVIC_VectTab_FLASH, 0x0);
#endif

}

自制位段头文件gpiobitmap.h

#ifndef __GPIOBITMAP_H
#define __GPIOBITMAP_H
#include "stm32f10x.h"
//IO口操作宏定义
#define BITBAND(addr, bitnum) ((addr & 0xF0000000)+0x2000000+((addr &0xFFFFF)<<5)+(bitnum<<2))
#define MEM_ADDR(addr) *((volatile unsigned long *)(addr))
#define BIT_ADDR(addr, bitnum)   MEM_ADDR(BITBAND(addr, bitnum))
//IO口地址映射
#define GPIOA_ODR_Addr    (GPIOA_BASE+12) //0x4001080C
#define GPIOB_ODR_Addr    (GPIOB_BASE+12) //0x40010C0C
#define GPIOC_ODR_Addr    (GPIOC_BASE+12) //0x4001100C
#define GPIOD_ODR_Addr    (GPIOD_BASE+12) //0x4001140C
#define GPIOE_ODR_Addr    (GPIOE_BASE+12) //0x4001180C
#define GPIOF_ODR_Addr    (GPIOF_BASE+12) //0x40011A0C
#define GPIOG_ODR_Addr    (GPIOG_BASE+12) //0x40011E0C

#define GPIOA_IDR_Addr    (GPIOA_BASE+8) //0x40010808
#define GPIOB_IDR_Addr    (GPIOB_BASE+8) //0x40010C08
#define GPIOC_IDR_Addr    (GPIOC_BASE+8) //0x40011008
#define GPIOD_IDR_Addr    (GPIOD_BASE+8) //0x40011408
#define GPIOE_IDR_Addr    (GPIOE_BASE+8) //0x40011808
#define GPIOF_IDR_Addr    (GPIOF_BASE+8) //0x40011A08
#define GPIOG_IDR_Addr    (GPIOG_BASE+8) //0x40011E08

//IO口操作,只对单一的IO口!
//确保n的值小于16!
#define PAout(n)   BIT_ADDR(GPIOA_ODR_Addr,n) //输出
#define PAin(n)    BIT_ADDR(GPIOA_IDR_Addr,n) //输入

#define PBout(n) BIT_ADDR(GPIOB_ODR_Addr,n) //输出
#define PBin(n) BIT_ADDR(GPIOB_IDR_Addr,n) //输入

#define PCout(n) BIT_ADDR(GPIOC_ODR_Addr,n) //输出
#define PCin(n) BIT_ADDR(GPIOC_IDR_Addr,n) //输入

#define PDout(n) BIT_ADDR(GPIOD_ODR_Addr,n) //输出
#define PDin(n) BIT_ADDR(GPIOD_IDR_Addr,n) //输入

#define PEout(n) BIT_ADDR(GPIOE_ODR_Addr,n) //输出
#define PEin(n) BIT_ADDR(GPIOE_IDR_Addr,n) //输入

#define PFout(n) BIT_ADDR(GPIOF_ODR_Addr,n) //输出
#define PFin(n) BIT_ADDR(GPIOF_IDR_Addr,n) //输入

#define PGout(n) BIT_ADDR(GPIOG_ODR_Addr,n) //输出
#define PGin(n) BIT_ADDR(GPIOG_IDR_Addr,n) //输入

//------------------------------
//*******************************
// 各GPIO输出口地址定义
//********************************
//--------------------------------/

#define PAo_0 PAout(0)
#define PAo_1 PAout(1)
#define PAo_2 PAout(2)
#define PAo_3 PAout(3)
#define PAo_4 PAout(4)
#define PAo_5 PAout(5)
#define PAo_6 PAout(6)
#define PAo_7 PAout(7)
#define PAo_8 PAout(8)
#define PAo_9 PAout(9)
#define PAo_10 PAout(10)
#define PAo_11 PAout(11)
#define PAo_12 PAout(12)
#define PAo_13 PAout(13)
#define PAo_14 PAout(14)
#define PAo_15 PAout(15)
//----------------------------------//

#define PBo_0 PBout(0)
#define PBo_1 PBout(1)
#define PBo_2 PBout(2)
#define PBo_3 PBout(3)
#define PBo_4 PBout(4)
#define PBo_5 PBout(5)
#define PBo_6 PBout(6)
#define PBo_7 PBout(7)
#define PBo_8 PBout(8)
#define PBo_9 PBout(9)
#define PBo_10 PBout(10)
#define PBo_11 PBout(11)
#define PBo_12 PBout(12)
#define PBo_13 PBout(13)
#define PBo_14 PBout(14)
#define PBo_15 PBout(15)
//--------------------------------//
#define PCo_0 PCout(0)
#define PCo_1 PCout(1)
#define PCo_2 PCout(2)
#define PCo_3 PCout(3)
#define PCo_4 PCout(4)
#define PCo_5 PCout(5)
#define PCo_6 PCout(6)
#define PCo_7 PCout(7)
#define PCo_8 PCout(8)
#define PCo_9 PCout(9)
#define PCo_10 PCout(10)
#define PCo_11 PCout(11)
#define PCo_12 PCout(12)
#define PCo_13 PCout(13)
#define PCo_14 PCout(14)
#define PCo_15 PCout(15)
//---------------------------//
#define PDo_0 PDout(0)
#define PDo_1 PDout(1)
#define PDo_2 PDout(2)
#define PDo_3 PDout(3)
#define PDo_4 PDout(4)
#define PDo_5 PDout(5)
#define PDo_6 PDout(6)
#define PDo_7 PDout(7)
#define PDo_8 PDout(8)
#define PDo_9 PDout(9)
#define PDo_10 PDout(10)
#define PDo_11 PDout(11)
#define PDo_12 PDout(12)
#define PDo_13 PDout(13)
#define PDo_14 PDout(14)
#define PDo_15 PDout(15)
//------------------------------//

#define PEo_0 PEout(0)
#define PEo_1 PEout(1)
#define PEo_2 PEout(2)
#define PEo_3 PEout(3)
#define PEo_4 PEout(4)
#define PEo_5 PEout(5)
#define PEo_6 PEout(6)
#define PEo_7 PEout(7)
#define PEo_8 PEout(8)
#define PEo_9 PEout(9)
#define PEo_10 PEout(10)
#define PEo_11 PEout(11)
#define PEo_12 PEout(12)
#define PEo_13 PEout(13)
#define PEo_14 PEout(14)
#define PEo_15 PEout(15)

//---------------------------//
#define PFo_0 PFout(0)
#define PFo_1 PFout(1)
#define PFo_2 PFout(2)
#define PFo_3 PFout(3)
#define PFo_4 PFout(4)
#define PFo_5 PFout(5)
#define PFo_6 PFout(6)
#define PFo_7 PFout(7)
#define PFo_8 PFout(8)
#define PFo_9 PFout(9)
#define PFo_10 PFout(10)
#define PFo_11 PFout(11)
#define PFo_12 PFout(12)
#define PFo_13 PFout(13)
#define PFo_14 PFout(14)
#define PFo_15 PFout(15)

//---------------------------//

#define PGo_0 PGout(0)
#define PGo_1 PGout(1)
#define PGo_2 PGout(2)
#define PGo_3 PGout(3)
#define PGo_4 PGout(4)
#define PGo_5 PGout(5)
#define PGo_6 PGout(6)
#define PGo_7 PGout(7)
#define PGo_8 PGout(8)
#define PGo_9 PGout(9)
#define PGo_10 PGout(10)
#define PGo_11 PGout(11)
#define PGo_12 PGout(12)
#define PGo_13 PGout(13)
#define PGo_14 PGout(14)
#define PGo_15 PGout(15)
//------------------------------
//********************************
// 各GPIO输入口地址定义
//********************************
//--------------------------------/
#define PAi_0 PAin(0)
#define PAi_1 PAin(1)
#define PAi_2 PAin(2)
#define PAi_3 PAin(3)
#define PAi_4 PAin(4)
#define PAi_5 PAin(5)
#define PAi_6 PAin(6)
#define PAi_7 PAin(7)
#define PAi_8 PAin(8)
#define PAi_9 PAin(9)
#define PAi_10 PAin(10)
#define PAi_11 PAin(11)
#define PAi_12 PAin(12)
#define PAi_13 PAin(13)
#define PAi_14 PAin(14)
#define PAi_15 PAin(15)
//---------------------------------//
#define PBi_0 PBin(0)
#define PBi_1 PBin(1)
#define PBi_2 PBin(2)
#define PBi_3 PBin(3)
#define PBi_4 PBin(4)
#define PBi_5 PBin(5)
#define PBi_6 PBin(6)
#define PBi_7 PBin(7)
#define PBi_8 PBin(8)
#define PBi_9 PBin(9)
#define PBi_10 PBin(10)
#define PBi_11 PBin(11)
#define PBi_12 PBin(12)
#define PBi_13 PBin(13)
#define PBi_14 PBin(14)
#define PBi_15 PBin(15)
//---------------------------------//
#define PCi_0 PCin(0)
#define PCi_1 PCin(1)
#define PCi_2 PCin(2)
#define PCi_3 PCin(3)
#define PCi_4 PCin(4)
#define PCi_5 PCin(5)
#define PCi_6 PCin(6)
#define PCi_7 PCin(7)
#define PCi_8 PCin(8)
#define PCi_9 PCin(9)
#define PCi_10 PCin(10)
#define PCi_11 PCin(11)
#define PCi_12 PCin(12)
#define PCi_13 PCin(13)
#define PCi_14 PCin(14)
#define PCi_15 PCin(15)
//-------------------------------------//
#define PDi_0 PDin(0)
#define PDi_1 PDin(1)
#define PDi_2 PDin(2)
#define PDi_3 PDin(3)
#define PDi_4 PDin(4)
#define PDi_5 PDin(5)
#define PDi_6 PDin(6)
#define PDi_7 PDin(7)
#define PDi_8 PDin(8)
#define PDi_9 PDin(9)
#define PDi_10 PDin(10)
#define PDi_11 PDin(11)
#define PDi_12 PDin(12)
#define PDi_13 PDin(13)
#define PDi_14 PDin(14)
#define PDi_15 PDin(15)
//-------------------------------------//
#define PEi_0 PEin(0)
#define PEi_1 PEin(1)
#define PEi_2 PEin(2)
#define PEi_3 PEin(3)
#define PEi_4 PEin(4)
#define PEi_5 PEin(5)
#define PEi_6 PEin(6)
#define PEi_7 PEin(7)
#define PEi_8 PEin(8)
#define PEi_9 PEin(9)
#define PEi_10 PEin(10)
#define PEi_11 PEin(11)
#define PEi_12 PEin(12)
#define PEi_13 PEin(13)
#define PEi_14 PEin(14)
#define PEi_15 PEin(15)
//---------------------------------//
#define PFi_0 PFin(0)
#define PFi_1 PFin(1)
#define PFi_2 PFin(2)
#define PFi_3 PFin(3)
#define PFi_4 PFin(4)
#define PFi_5 PFin(5)
#define PFi_6 PFin(6)
#define PFi_7 PFin(7)
#define PFi_8 PFin(8)
#define PFi_9 PFin(9)
#define PFi_10 PFin(10)
#define PFi_11 PFin(11)
#define PFi_12 PFin(12)
#define PFi_13 PFin(13)
#define PFi_14 PFin(14)
#define PFi_15 PFin(15)
//---------------------------------//
#define PGi_0 PGin(0)
#define PGi_1 PGin(1)
#define PGi_2 PGin(2)
#define PGi_3 PGin(3)
#define PGi_4 PGin(4)
#define PGi_5 PGin(5)
#define PGi_6 PGin(6)
#define PGi_7 PGin(7)
#define PGi_8 PGin(8)
#define PGi_9 PGin(9)
#define PGi_10 PGin(10)
#define PGi_11 PGin(11)
#define PGi_12 PGin(12)
#define PGi_13 PGin(13)
#define PGi_14 PGin(14)
#define PGi_15 PGin(15)
//---------------------------------//