调试两天了,灯还是亮不起来,请教高手
不知道程序的思路有没有错。先定义_QTOUCH_等关键词:
#define _QTOUCH_
#define QT_NUM_CHANNELS 4
#define SNSK B
#define SNS D
#define _ROTOR_SLIDER_
#define QT_DELAY_CYCLES 2
再包含API头文件:
#include"avr\io.h"
#include"avr\interrupt.h"
#include"touch_api.h"
关掉上拉电阻,PORTC输出:
MCUCR|=(1<<PUD);
DDRC=0xFF;
用一个定时器来算时间:
volatile unsigned char qt_measure_flag;//检测标志,全局变量
volatile unsigned int hw_time_ms;//系统当前时间,全局变量
sei();
TIMSK1|=(1<<TOIE1);
TCNT1H=0xFF;
TCNT1L=0x83;
TCCR1B|=(1<<CS11)|(1<<CS10);
SIGNAL(SIG_OVERFLOW1)
{
TCNT1H=0xFF;
TCNT1L=0x83;
hw_time_ms++;
qt_measure_flag=1;
}
这样,一次中断就1毫秒了。
然后就是跟QTouch有关的部分了:
volatile qt_touch_status_t qt_touch_status;
qt_enable_key(CHANNEL_6, NO_AKS_GROUP, 10u, HYST_6_25);
qt_init_sensing();
while(1)
{
if(qt_measure_flag)
{
qt_measure_flag=0;
qt_measure_sensors(hw_time_ms);
if(qt_touch_status.sensor_states[0]&0x01)
PORTC=0xFE;
……
到这里,如果手指接触A键,灯应该亮起来的才对。不知道是哪里出错了。请高手指点。 官方的例子能跑起来么? 傻孩子大哥能不能发个GCC的简单一按键代码?或者给个HEX让我试验试验,谢谢。 已点亮!等一会发张帖子汇报。 我现在在搞一个矩阵式的按键,共24个按键。可是就算没有按键按下,照样有值返回,郁闷 能请教吗?这段代码我用的有问题 做了三个触摸键,一个触摸键能响应,点亮灯,另一个熄灭灯,结果,熄灭灯后,灯又亮了 #include<avr\io.h>
#include<avr\interrupt.h>
#include<touch_api.h>
#include"_QTOUCH_.h"
//unsigned char key_test_flag1=0;
//unsigned char key_test_flag2=0;
unsigned int hw_time_ms;
volatile unsigned char qt_measure_flag;//检测标志,全局变量
volatile qt_touch_status_t qt_touch_status;
//unsigned char test_time;
void delay(unsigned char m)
{
static unsigned char i,j,k;
for(i=0;i<m;i++)
{
for(j=0;j<200;j++)
{
for(k=0;k<200;k++);
}
}
}
SIGNAL(SIG_OVERFLOW1)
{
TCNT1H=0xFF;
TCNT1L=0xaa;//0x83
hw_time_ms++;
qt_measure_flag=1;
// test_time++;
}
void port_init(void)
{
MCUCR|=(1<<PUD);
DDRC=0xFF;
PORTC=0xFF;
// PORTC&=~(1<<PC0);
// PORTC&=~(1<<PC1);
// PORTC&=~(1<<PC5);
PORTC&=~(1<<PC2);
}
void timer1_init(void)
{
TCNT1H=0xFF;
TCNT1L=0xaa;//0x83
TCCR1B|=(1<<CS11)|(1<<CS10);
}
void int_ctrl(void)
{
sei();
TIMSK1|=(1<<TOIE1);
}
void sys_init(void)
{
port_init();
timer1_init();
int_ctrl();
hw_time_ms=0;
}
void channel_1()
{
if(qt_measure_data.qt_touch_status.sensor_states&0x01)
{
PORTC|=(1<<PC2);
//PORTC|=(1<<PC0);
}
}
void channel_2()
{
if(qt_measure_data.qt_touch_status.sensor_states&0x02)
{
PORTC&=~(1<<PC2);
//PORTC|=(1<<PC2);
//PORTC|=(1<<PC1);
}
}
void channel_3()
{
if(qt_measure_data.qt_touch_status.sensor_states&0x04)
{
PORTC&=~(1<<PC2);
//PORTC|=(1<<PC2);
//PORTC|=(1<<PC5);
}
}
int main(void)
{
sys_init();
qt_reset_sensing();
qt_enable_key(CHANNEL_0, NO_AKS_GROUP, 10, HYST_25);
// qt_enable_key(CHANNEL_2, AKS_GROUP_1, RECAL_12_5, HYST_6_25);
qt_enable_key(CHANNEL_4, NO_AKS_GROUP, 10, HYST_25);
qt_enable_key(CHANNEL_2, NO_AKS_GROUP, 10, HYST_25);//HYST_25
qt_init_sensing();
while(1)
{
if(qt_measure_flag)
{
qt_measure_flag=0;
qt_measure_sensors(hw_time_ms);
//hw_time_ms=0;
channel_1();
channel_2();
channel_3();
//delay(100);
}
}
} 说明,用的是MEGA88,三个触摸键,触摸的逻辑出错了,请哪位大虾帮我看看
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