四個(gè)按鍵對常用數(shù)值調(diào)整代碼

/*************************************************************

**四個(gè)按鍵數(shù)值調(diào)整，一個(gè)移位，兩個(gè)加減，一個(gè)確定

**針對0~65536數(shù)值區(qū)間，任意數(shù)值

**light

**2012-3-28

*************************************************************/

//數(shù)值調(diào)整結(jié)構(gòu)

typedefstruct_num_cal

{

unsignedintnum_temp;//變量值

unsignedintbit;//位

unsignedintbit_max;//位數(shù)

unsignedinttmp_bit[5];//存放各個(gè)位值

}num_cal;

num_calnum_cal_tmp;//數(shù)值調(diào)整結(jié)構(gòu)全局變量

/*************************************************************

**number_calc

**temp_value:要調(diào)整的值

**bit_max：數(shù)據(jù)位數(shù)

**2012-3-28

*************************************************************/

voidnumber_calc(unsignedinttemp_value,unsignedintbit_max)

{

num_cal_tmp.num_temp=temp_value;

num_cal_tmp.tmp_bit[0]=num_cal_tmp.num_temp%10;

num_cal_tmp.tmp_bit[1]=(num_cal_tmp.num_temp%100)/10;

num_cal_tmp.tmp_bit[2]=(num_cal_tmp.num_temp%1000)/100;

num_cal_tmp.tmp_bit[3]=(num_cal_tmp.num_temp%10000)/1000;

num_cal_tmp.tmp_bit[4]=num_cal_tmp.num_temp/10000;

num_cal_tmp.bit_max=bit_max-1;

}

switch(key_value):

{

casekey_back://移動光標(biāo)，由低位向高位移動

num_cal_tmp.bit++;

if(num_cal_tmp.bit>num_cal_tmp.bit_max)

{

num_cal_tmp.bit=0;

}

break;

casekey_up://加

num_cal_tmp.tmp_bit[num_cal_tmp.bit]++;

if(num_cal_tmp.tmp_bit[num_cal_tmp.bit]>9)

{

num_cal_tmp.tmp_bit[num_cal_tmp.bit]=0;

}

break;

casekey_down://減

if(num_cal_tmp.tmp_bit[num_cal_tmp.bit]==0)

{

num_cal_tmp.tmp_bit[num_cal_tmp.bit]=9;

}

else

{

num_cal_tmp.tmp_bit[num_cal_tmp.bit]--;

}

break;

casekey_enter://確定鍵

temp_value=num_cal_tmp.tmp_bit[4]*10000+num_cal_tmp.tmp_bit[3]*1000+num_cal_tmp.tmp_bit[2]*100+num_cal_tmp.tmp_bit[1]*10+num_cal_tmp.tmp_bit[0];

break;

}