在ATK-HC05蓝牙串口模块实验中加上PWM实验，蓝牙可以控制，但液晶屏就不能显示了，请教~谢谢！

亮亮 · 发表于 2015-2-2 21:36:50

主程序

#include "led.h"
#include "delay.h"
#include "sys.h"
#include "usart.h"
#include "lcd.h"
#include "hc05.h"
#include "usart2.h"
#include "string.h"
#include "key.h"
#include "pwm.h"

//显示ATK-HC05模块的主从状态
void HC05_Role_Show(void)
{
LCD_ShowString(30,140,200,16,16,"ROLE:Slave ");      //从机
}
//显示ATK-HC05模块的连接状态
void HC05_Sta_Show(void)
{
if(HC05_LED)LCD_ShowString(120,140,120,16,16,"STA:Connected ");   //连接成功
else LCD_ShowString(120,140,120,16,16,"STAisconnect");    //未连接
}
int main(void)
{
u8 t;
// u8 key;
u8 sendmask=0;
u8 sendcnt=0;
u8 sendbuf[20];
u8 reclen=0;
SystemInit();
delay_init(72);     //延时函数初始化
NVIC_Configuration(); //设置NVIC中断分组2:2位抢占优先级，2位响应优先级
uart_init(9600); //串口初始化为9600
LED_Init();    //初始化与LED连接的硬件接口
KEY_Init();    //初始化按键
    LCD_Init();    //初始化LCD
WM_Init(900,0); //不分频。PWM频率=72000/900=8Khz

OINT_COLOR=RED;
LCD_ShowString(30,30,200,16,16,"ALIENTEK STM32 ^_^");
LCD_ShowString(30,50,200,16,16,"HC05 BLUETOOTH COM TEST");
LCD_ShowString(30,70,200,16,16,"ATOM@ALIENTEK");
while(HC05_Init())   //初始化ATK-HC05模块
{
  LCD_ShowString(30,90,200,16,16,"ATK-HC05 Error!");
  delay_ms(500);
  LCD_ShowString(30,90,200,16,16,"Please Check!!!");
  delay_ms(100);
}
LCD_ShowString(30,90,200,16,16,"WK_UP:ROLE KEY0:SEND/STOP");
LCD_ShowString(30,110,200,16,16,"ATK-HC05 Standby!");
LCD_ShowString(30,160,200,16,16,"Send:");
LCD_ShowString(30,180,200,16,16,"Receive:");

OINT_COLOR=BLUE;
HC05_Role_Show();
  while(1)
{
  if(t==50)
  {
   if(sendmask)     //定时发送
   {
    sprintf((char*)sendbuf,"ALIENTEK HC05 %d\r\n",sendcnt);
      LCD_ShowString(30+40,160,200,16,16,sendbuf); //显示发送数据
    u2_printf("ALIENTEK HC05 %d\r\n",sendcnt);  //发送到蓝牙模块
    sendcnt++;
    if(sendcnt>99)sendcnt=0;
   }
   HC05_Sta_Show();
   t=0;
  }
  if(USART2_RX_STA&0X8000)   //接收到一次数据了
  {
   LCD_Fill(30,200,240,320,WHITE); //清除显示
    reclen=USART2_RX_STA&0X7FFF; //得到数据长度
    USART2_RX_BUF[reclen]=0; //加入结束符
   if(reclen==9||reclen==8)   //控制DS1检测
   {
    if(strcmp((const char*)USART2_RX_BUF,"+LED1 ON")==0)
      TIM_SetCompare3(TIM3,400); //打开LED1 PB0连接PA6
    if(strcmp((const char*)USART2_RX_BUF,"+LED1 OFF")==0)
    {
      TIM_SetCompare3(TIM3,0);
      LED1=1;
    } //关闭LED1和LED0
    if(strcmp((const char*)USART2_RX_BUF,"+LED0 ON")==0)
      LED1=0;  //打开LED1
    if(strcmp((const char*)USART2_RX_BUF,"+LED0 OFF")==0)
      LED1=1; //关闭LED1
   }
    LCD_ShowString(30,200,209,119,16,USART2_RX_BUF);//显示接收到的数据
    USART2_RX_STA=0;
  }
  t++;
}
}