基于STC15W单片机测速源程序,使用光电码盘,5110液晶屏显示 -

#include "nokia_5110.h"
#include "timer.h"
#include "Exti.h"
#include "delay.h"
#include "motor.h"
#include "PWM.h"
#include "GPIO.h"
extern u8 speed1,speed2;
extern u16 rev1,rev2;
/************* 功能说明 **************
电机驱动测试例程
******************************************/
//========================================================================
// 函数: void PWM_config(void)
// 描述: PWM配置函数。
// 参数: none.
// 返回: none.
// 版本: VER1.0
// 日期: 2014-8-15
// 备注:
//========================================================================
void PWM_config(void)
{
PWMx_InitDefine PWMx_InitStructure; //结构定义
PWMx_InitStructure.PWMx_IO_Select = PWM4_P22; //PWM输出IO选择. PWM2_P37,PWM2_P27,PWM3_P21,PWM3_P45,PWM4_P22,PWM4_P44,PWM5_P23,PWM5_P42,PWM6_P16,PWM6_P07,PWM7_P17,PWM7_P06
PWMx_InitStructure.Start_IO_Level = 0; //设置PWM输出端口的初始电平, 0或1
PWMx_InitStructure.PWMx_Interrupt = DISABLE; //中断允许, ENABLE或DISABLE
PWMx_InitStructure.FirstEdge_Interrupt = DISABLE; //第一个翻转中断允许, ENABLE或DISABLE
PWMx_InitStructure.SecondEdge_Interrupt = DISABLE; //第二个翻转中断允许, ENABLE或DISABLE
PWMx_InitStructure.FirstEdge = 64; //第一个翻转计数, 1~32767
PWMx_InitStructure.SecondEdge = 192; //第二个翻转计数, 1~32767
PWMx_Configuration(PWM4_ID, &PWMx_InitStructure); //初始化PWM, PWM2_ID,PWM3_ID,PWM4_ID,PWM5_ID,PWM6_ID,PWM7_ID
P2n_standard(1<<2); //IO初始化, 上电时为高阻
PWMx_InitStructure.PWMx_IO_Select = PWM5_P23; //PWM输出IO选择. PWM2_P37,PWM2_P27,PWM3_P21,PWM3_P45,PWM4_P22,PWM4_P44,PWM5_P23,PWM5_P42,PWM6_P16,PWM6_P07,PWM7_P17,PWM7_P06
PWMx_InitStructure.Start_IO_Level = 0; //设置PWM输出端口的初始电平, 0或1
PWMx_InitStructure.PWMx_Interrupt = DISABLE; //中断允许, ENABLE或DISABLE
PWMx_InitStructure.FirstEdge_Interrupt = DISABLE; //第一个翻转中断允许, ENABLE或DISABLE
PWMx_InitStructure.SecondEdge_Interrupt = DISABLE; //第二个翻转中断允许, ENABLE或DISABLE
PWMx_InitStructure.FirstEdge = 64; //第一个翻转计数, 1~32767
PWMx_InitStructure.SecondEdge = 192; //第二个翻转计数, 1~32767
PWMx_Configuration(PWM5_ID, &PWMx_InitStructure); //初始化PWM, PWM2_ID,PWM3_ID,PWM4_ID,PWM5_ID,PWM6_ID,PWM7_ID
P2n_standard(1<<3); //IO初始化, 上电时为高阻
TH2 = (u8)((65536UL - MAIN_Fosc / 500000UL) / 256); //波特率使用Timer2
TL2 = (u8)((65536UL - MAIN_Fosc / 500000UL) % 256);
AUXR = 0x14; //Timer2 set As Timer, Timer2 set as 1T mode;
PWM_SourceClk_Duty(PwmClk_T2, 256); //时钟源: PwmClk_1T,PwmClk_2T, ... PwmClk_16T, PwmClk_T2, PWM周期: 1~32767
PWMCR |= ENPWM; // 使能PWM波形发生器，PWM计数器开始计数
PWMCR &= ~ECBI; //禁止PWM计数器归零中断
// PWMCR |= ECBI; //允许PWM计数器归零中断
// PWMFDCR = ENFD | FLTFLIO | FDIO; //PWM失效中断控制, ENFD | FLTFLIO | EFDI | FDCMP | FDIO
}
void EXTI_config(void)
{
EXTI_InitTypeDef EXTI_InitStructure; //结构定义
EXTI_InitStructure.EXTI_Mode = EXT_MODE_Fall; //中断模式, EXT_MODE_RiseFall, EXT_MODE_Fall
EXTI_InitStructure.EXTI_Polity = PolityLow; //中断优先级, PolityLow,PolityHigh
EXTI_InitStructure.EXTI_Interrupt = ENABLE; //中断允许, ENABLE或DISABLE
Ext_Inilize(EXT_INT0,&EXTI_InitStructure); //初始化INT0 EXT_INT0,EXT_INT1,EXT_INT2,EXT_INT3,EXT_INT4
EXTI_InitStructure.EXTI_Mode = EXT_MODE_Fall; //中断模式, EXT_MODE_RiseFall, EXT_MODE_Fall
EXTI_InitStructure.EXTI_Polity = PolityLow; //中断优先级, PolityLow,PolityHigh
EXTI_InitStructure.EXTI_Interrupt = ENABLE; //中断允许, ENABLE或DISABLE
Ext_Inilize(EXT_INT1,&EXTI_InitStructure); //初始化INT1 EXT_INT0,EXT_INT1,EXT_INT2,EXT_INT3,EXT_INT4
}
void Timer_config(void)
{
TIM_InitTypeDef TIM_InitStructure; //结构定义
TIM_InitStructure.TIM_Mode = TIM_16BitAutoReload; //指定工作模式, TIM_16BitAutoReload,TIM_16Bit,TIM_8BitAutoReload,TIM_16BitAutoReloadNoMask
TIM_InitStructure.TIM_Polity = PolityHigh; //指定中断优先级, PolityHigh,PolityLow
TIM_InitStructure.TIM_Interrupt = ENABLE; //中断是否允许, ENABLE或DISABLE
TIM_InitStructure.TIM_ClkSource = TIM_CLOCK_12T; //指定时钟源, TIM_CLOCK_1T,TIM_CLOCK_12T,TIM_CLOCK_Ext
TIM_InitStructure.TIM_ClkOut = ENABLE; //是否输出高速脉冲, ENABLE或DISABLE
TIM_InitStructure.TIM_Value = 0x4cd0; //初值,
TIM_InitStructure.TIM_Run = ENABLE; //是否初始化后启动定时器, ENABLE或DISABLE
Timer_Inilize(Timer0,&TIM_InitStructure); //初始化Timer0 Timer0,Timer1,Timer2
}
void main(void)
{
u8 v1[3],v2[3];
P4n_standard(0x1e);
LCD_init(); //初始化液晶
LCD_clear();
LCD_write_english_string(6,2," Welcome To");
delay(1);
LCD_clear();
LCD_write_chinese_string(0,2,12,6,0,2);
delay(2);
LCD_clear();
LCD_write_chinese_string(12,2,12,3,8,2);
LCD_write_english_string(54,3,". ");
delay_ms(250);delay_ms(250);
LCD_write_english_string(54,3,".. ");
delay_ms(250);delay_ms(250);
LCD_write_english_string(54,3,"...");
delay_ms(250);delay_ms(250);
LCD_clear();
EXTI_config();
Timer_config();
EA=1;
PWM_config(); //PWM初始化
GPIO_config();
LCD_write_chinese_string(15,0,12,4,14,2);
LCD_write_chinese_string(2,2,12,2,11,1);
LCD_write_english_string(27,3,"1: cm/s");
LCD_write_chinese_string(2,4,12,2,11,1);
LCD_write_english_string(27,5,"2: cm/s");
while(1)
{
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