第二版示波器升级后直流电压不准
程序没有注释,基础太差求指导 我升级这个版本,只调整电平参数,不用调整增益的,要不调整一下参数unsigned int pos_const_ch1={5575,5620,5635,5640,5580,5610,5620,5640,5660};
unsigned int pos_const_ch2={5395,5425,5430,5450,5390,5410,5420,5460,5480};
unsigned int att_data_tab_ch1={7095,6350,5385,4610,3810,6320,5580,4815,3780};
unsigned int att_data_tab_ch2={7080,6320,5345,4570,3745,6310,5560,4790,3715};
来试试 ccmj4708 发表于 2012-9-27 10:18 static/image/common/back.gif
我升级这个版本,只调整电平参数,不用调整增益的,要不调整一下参数
unsigned int pos_const_ch1={5 ...
大哥能不能解释下那个数组中的数字含义呢 cafppla1 发表于 2012-9-27 10:29 static/image/common/back.gif
大哥能不能解释下那个数组中的数字含义呢
unsigned int pos_const_ch1={5575,5620,5635,5640,5580,5610,5620,5640,5660};
unsigned int pos_const_ch2={5395,5425,5430,5450,5390,5410,5420,5460,5480};
这两句数组定义的对应的程序如下:只要修改数组中的数据就可以了。
魏坤老师说过,只改电平参数就可以了
void SET_LEVEL_CH1(unsigned char flag)
{
//signed char data;
signed int offset_data;
while(IORD_ALTERA_AVALON_PIO_DATA(KEY_PORT_BASE)!=NO_KEY)
{
IOWR_ALTERA_AVALON_TIMER_CONTROL(TIMER_BASE,0x0b);
if(flag)
{
if(level_data_ch1<218)level_data_ch1++;
}
else
{
if(level_data_ch1>34)level_data_ch1--;
}
offset_data=(pos_const_ch1-(127-level_data_ch1)*level_var_data_ch1);
IOWR_ALTERA_AVALON_PIO_DATA(PWM_POS_CH1_BASE, offset_data);
DISP_TRIG_LEVEL();
delay_ms(150);
}
disp_delay_flag=2;
IOWR_ALTERA_AVALON_TIMER_CONTROL(TIMER_BASE,0x07);
}
void SET_LEVEL_CH2(unsigned char flag)
{
//signed char data;
signed int offset_data;
while(IORD_ALTERA_AVALON_PIO_DATA(KEY_PORT_BASE)!=NO_KEY)
{
IOWR_ALTERA_AVALON_TIMER_CONTROL(TIMER_BASE,0x0b);
if(flag)
{
if(level_data_ch2<218)level_data_ch2++;
}
else
{
if(level_data_ch2>34)level_data_ch2--;
}
offset_data=(pos_const_ch2-(127-level_data_ch2)*level_var_data_ch2);
IOWR_ALTERA_AVALON_PIO_DATA(PWM_POS_CH2_BASE, offset_data);
DISP_TRIG_LEVEL();
delay_ms(150);
}
disp_delay_flag=2;
IOWR_ALTERA_AVALON_TIMER_CONTROL(TIMER_BASE,0x07);
}
ccmj4708 发表于 2012-9-27 12:47 static/image/common/back.gif
unsigned int pos_const_ch1={5575,5620,5635,5640,5580,5610,5620,5640,5660};
unsigned int po ...
明白了,直流档位不能直接读出数据,要是能改进就好了
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