STM 12864驱动程序.docx

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 #includempu12864.h/ 即可用以下函数/-#ifndef _MPU12864_H_#define _MPU12864_H_#include stm32f10x.hextern 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*/-*/extern void write12864_Achar(u8 hang,u8 numadd,u8 x);/-写一个字符串到指定位置-*/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#includestm32f10x.h#includempu12864.h#includegpiobitmap.h/-控制线定义-#define rs PAo_0 /P25;#define rw PAo_1 /P26;#define en PAo_2 /P27;/-void delayms(unsigned short time)/nms unsigned short i, j;for(; time 0; time-) for(j = 0; j 10; j+) for(i = 0; i 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#includempu12864.h#include gpiobitmap.h#includedelay.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)+(bitnum2)#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)