求助,辉芒微FT62F211在开启触摸功能的时候,下电到2.5V在重新上电就会清除EEPROM数据,但是程序也是正常跑没什么问题啥。关闭触摸功能就不掉数据了
下面是代码
- /**********************************************************************************
- * @芯片资源
- * 1. Device: FT62F21X
- * 2. Memory: Flash 1KX14b, SRAM:64X8b EEPROM 256X8b
- *
- * 3. 文件名:main.c
- *
- //*********************************************************************************/
- #include "Touch.h"
- unsigned int led1_pwm; //led1_pwm值
- unsigned char key1_cnt; //key1按键计数
- unsigned char key1_short_flag; //key1按键短按标志
- unsigned char led1_short_state; //led1短按状态
- unsigned char key1_long_flag; //key1按键长按标志
- unsigned char led1_long_state; //led1长按状态
- unsigned char led1_long_darkness_lock; //led1熄灭长按状态
- unsigned char led1_pwm_h;
- unsigned char led1_pwm_l;
- unsigned char TK_REVal; //触摸按键返回值
- unsigned char EEPROMread(unsigned char EEAddr);
- void EEPROMwrite(unsigned char EEAddr , unsigned char Data);
- void scann_key(unsigned char ucKeySingle)
- {
- switch(ucKeySingle)
- {
- /******************************** case 0 *************************************/
- case 0:
- /* 按键松开,结束计数*/
- key1_cnt = 0;
- /*key1按键短按处理*/
- if(key1_short_flag)
- {
- if(led1_short_state == 0)//led1熄灭时点亮
- {
- led1_pwm = led1_pwm + 100;
- if(led1_pwm > 10000)
- {
- key1_short_flag = 0;//清除key1短按标志
- led1_short_state = 1; //led1切换短按状态
- EEPROMwrite(0x00,P1ADTH );
- EEPROMwrite(0x01,P1ADTL );
- EEPROMwrite(0x02,key1_short_flag );
- EEPROMwrite(0x03,led1_short_state );
- EEPROMwrite(0x04,key1_long_flag );
- EEPROMwrite(0x05,led1_long_state );
- }
- }
- if(led1_short_state == 1)//led1点亮时熄灭
- {
- if(led1_pwm < 100)
- {
- led1_pwm = 0;
- key1_short_flag = 0;//清除key1短按标志
- led1_short_state = 0; //led1切换短按状态
- led1_long_state = 0;//清除led1长按状态
- key1_long_flag = 0;
- EEPROMwrite(0x00,(led1_pwm>>8) );
- EEPROMwrite(0x01,led1_pwm );
- EEPROMwrite(0x02,key1_short_flag );
- EEPROMwrite(0x03,led1_short_state );
- }
- else
- led1_pwm = led1_pwm - 100;
- }
- }
- /*key1按键长按处理*/
- if(key1_long_flag)
- {
- key1_long_flag = 0;//清除key1长按标志
- led1_long_state = led1_long_state ^ 0x01; //切换led1长按状态
- EEPROMwrite(0x00,P1ADTH );
- EEPROMwrite(0x01,P1ADTL );
- EEPROMwrite(0x04,key1_long_flag );
- EEPROMwrite(0x05,led1_long_state );
- }
- if(led1_long_darkness_lock)
- {
- led1_long_darkness_lock = 0;
- led1_short_state = 1;
- if(led1_long_state)
- led1_long_state =0;
- EEPROMwrite(0x00,P1ADTH );
- EEPROMwrite(0x01,P1ADTL );
- EEPROMwrite(0x03,led1_short_state );
- EEPROMwrite(0x06,led1_long_darkness_lock );
- }
- break;
- /******************************** case 1 *************************************/
- case 1:
- /*按键按下,开始计数*/
- key1_cnt++;
- /*计数100毫秒消抖,大约150毫秒为按键短按*/
- if(key1_cnt > 20)
- key1_short_flag = 1;
- /*计数大于1秒为按键长按*/
- if(key1_cnt > 150)
- {
- key1_cnt = 150;
- key1_short_flag = 0;//清除按键短按标志
- if(led1_short_state)//检查led1状态
- {
- if(!led1_long_state)//长按减亮度
- {
- if(led1_pwm < 100)
- led1_pwm = 100;
- else
- led1_pwm = led1_pwm - 20;
- key1_long_flag = 1;
- }
- else if(led1_long_state)//长按加亮度
- {
- if(led1_pwm > 10000)
- led1_pwm = 10000;
- else
- led1_pwm = led1_pwm + 20;
- key1_long_flag = 1;
- }
- }
- else if(!led1_short_state)//用以led1熄灭时长按亮起
- {
- if(led1_pwm > 10000)
- led1_pwm = 10000;
- else
- led1_pwm = led1_pwm + 20;
- led1_long_darkness_lock = 1; //通知短按函数 led1 已经亮起
- }
- }
- break;
- }
- }
- /*-------------------------------------------------
- * 函数名:DelayUs
- * 功能: 短延时函数 --16M-4T--大概快1%左右.
- * 输入: Time延时时间长度 延时时长Time*2Us
- * 输出: 无
- -------------------------------------------------*/
- void DelayUs(unsigned char Time)
- {
- unsigned char a;
- for(a=0;a<Time;a++)
- {
- NOP();
- }
- }
- /*-------------------------------------------------
- * 函数名:DelayMs
- * 功能: 短延时函数 快1%
- * 输入: Time延时时间长度 延时时长Time ms
- * 输出: 无
- -------------------------------------------------*/
- void DelayMs(unsigned char Time)
- {
- unsigned char a,b;
- for(a=0;a<Time;a++)
- {
- for(b=0;b<5;b++)
- {
- DelayUs(98);
- }
- }
- }
- /*-------------------------------------------------
- * 函数名称:interrupt ISR
- * 功能: 定时器中断处理函数
- * 输入参数:无
- * 返回参数:无
- -------------------------------------------------*/
- void interrupt ISR(void)//PIC_HI-TECH使用
- {
- if(TMR2IE && TMR2IF) //10ms中断一次
- {
- TMR2IF = 0;
- TSC_Start();
- TSC_DataProcessing();
- TK_REVal = TSC_GetSingle();
- }
- }
- /*-------------------------------------------------
- * 函数名:SYS_INITIAL
- * 功能: 上电系统初始化
- * 输入: 无
- * 输出: 无
- --------------------------------------------------*/
- void SYS_INITIAL (void)
- {
- //时钟先8M 写完PCON (bit7),OPTION(all bit),LVDCON(bit2),后换回16M
- OSCCON = 0B01100000;
- //WDT 32KHZ IRCF=110=8MHZ/4=4MHZ,0.25US/T
- //Bit0=1,系统时钟为内部振荡器
- //Bit0=0,时钟源由FOSC<2:0>决定即编译选项时选择
- OPTION = 0B00000100;
- //Bit5 T0CS Timer0时钟源选择
- //1-外部引脚电平变化T0CKI 0-内部时钟(FOSC/2)
- //Bit4 T0CKI引脚触发方式 1-下降沿 0-上升沿
- //Bit3 PSA 预分频器分配位 0-Timer0 1-WDT
- //Bit2:0 PS2 8个预分频比 100 - 1:32
- LVDCON = 0x03;
- // //bit2 0:不经过去抖电路 bit[1:0] 00:vdd 01:pa5 10:pa4 11:touch
- //
- PCON = 0x88;
- //开LVD bit3 低电压侦测使能 bit[7:4]=1xxx 1.2v
- OSCCON = SYS_OSCCON;
- //WDT 32KHZ IRCF=110=16MHZ/4=4MHZ,0.25US/T
- T0CON0 = 0;
- //复位上T0ON默认为1,所以需要清0
- MSCON = 0;
- //软件关闭LVREN不然低功耗电流会变大(Options下必须选择LVREN=SLVREN)
- INTCON = 0;
- //暂禁止所有中断
- PORTA = 0;
- ///////////特别注意与TKCAP合打线的PIN//////////////////////////
- //对于6pin 封装, TKCAP 与PA2 共用引脚3。
- //对于DFN8 封装, TKCAP 与PA4 共用引脚2。
- //引脚用作TKCAP 功能时,则PA2/PA4 必须相应地设置为输入;
- //当关闭Touch模块功能时,则PA2/PA4 为通用IO功能。
- TRISA = TRISA_CONFIG;
- // 0-输出 1-输入
- ///////////特别注意与TKCAP合打线的PIN//////////////////////////
- WPUA = 0B00000000;
- //PA端口上拉控制 1-开上拉 0-关上拉
- PSRCA = 0B00000000;
- //PA4,PA5源电流能力设置为0
- }
- /*-------------------------------------------------
- * 函数名:TIMER2_INITIAL
- * 功能: 初始化设置定时器1
- * 设置Timer2定时时长 = (1/系统时钟频率)*4*预分频值*后分频值*PR2
- * = (1/16000000)*4*4*1*10000=10ms
- -------------------------------------------------*/
- void TIMER2_INITIAL (void)
- {
- T2CON0 = 0B00000001;
- //Bit[6:3]=0000,T2时钟后分频比1:1
- //Bit[1:0]=01,T2时钟预分频比1:4
- T2CON1 = 0B00000000; //Bit[2:0] 000: 指令周期 100:HIRC Timer2时钟源选择
- TMR2H = 0;
- TMR2L = 0; //TMR2赋初 0010 0001 0011 0100
- PR2H = 0x27;
- PR2L = 0x10; //设置PR2=10000
- //pwm初始化
- P1ADTH=0; //P1ADT赋值
- P1ADTL=0;
- P1OE=0B00000001; //P1A0输出使能
- P1POL=0B00000000; //P1A0高电平有效
- P1CON=0B00000000;
- TMR2IF = 0; //清TIMER2中断标志
- TMR2IE = 1; //使能TIMER2的中断
- TMR2ON = 1; //使能TIMER2启动
- PEIE=1; //使能外设中断
- GIE = 1; //使能全局中断
- }
- /*-------------------------------------------------
- * 函数名:EEPROMread
- * 功能: 读EEPROM数据
- * 输入: 需要读取数据的地址 EEAddr
- * 输出: 对应地址读出的数据 ReEEPROMread
- --------------------------------------------------*/
- unsigned char EEPROMread(unsigned char EEAddr)
- {
- unsigned char ReEEPROMread;
- EEADR = EEAddr;
- RD=1;
- NOP();
- NOP();
- NOP();
- NOP();
- ReEEPROMread =EEDAT;
- return ReEEPROMread;
- }
- /*-------------------------------------------------
- * 函数名:EEPROMwrite
- * 功能: 写数据到EEPROM
- * 输入: 需要读取数据的地址 EEAddr
- 需要写入的数据 Data
- * 输出: 无
- --------------------------------------------------*/
- void EEPROMwrite(unsigned char EEAddr , unsigned char Data)
- {
- GIE = 0; //写数据必须关闭中断
- while(GIE); //等待GIE为0
- EEADR = EEAddr; //EEPROM的地址
- EEDAT = Data; //EEPROM的写数据 EEDATA = Data;
- EEIF = 0;
- EECON1 |= 0x34; //置位WREN1,WREN2,WREN3三个变量.
- WR = 1; //置位WR启动
- NOP();
- NOP();
- NOP();
- NOP();
- while(WR); //等待EE写入完成
- GIE = 1;
- }
- /*------------------------------------------------------------------------------------------
- * 函数名: main
- * 功能: 主函数
- * 输入: 无
- * 输出: 无
- ----------------------------------------------------------------------------------------------*/
- void main(void)
- {
- /* 系统初始化 */
- SYS_INITIAL();
- /* 按键初始化 */
- TOUCH_INITIAL();
- /* 定时器2初始化 */
- TIMER2_INITIAL();
- led1_pwm_h = EEPROMread(0x00);
- led1_pwm_l = EEPROMread(0x01);
- led1_pwm = led1_pwm_l | (unsigned int)(led1_pwm_h<<8) ;
- key1_short_flag = EEPROMread(0x02);
- led1_short_state = EEPROMread(0x03);
- key1_long_flag = EEPROMread(0x04);
- led1_long_state = EEPROMread(0x05);
- led1_long_darkness_lock = EEPROMread(0x06);
- while(1)
- {
- P1ADTH = (led1_pwm>>8);
- P1ADTL = (unsigned char)led1_pwm;
- scann_key(TK_REVal);
- DelayMs(2);
- }
- }
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