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发表于 2012-5-7 10:53:20
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#include <avr/io.h>
#include <avr/interrupt.h>
#define __delay_cycles(10) __builtin_avr_delay_cycles(10)
#define __enable_interrupt() sei()
/* now include touch api.h with the localization defined above */
#include "touch_api.h"
/*----------------------------------------------------------------------------
manifest constants
----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------
type definitions
----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------
prototypes
----------------------------------------------------------------------------*/
/* initialise host app, pins, watchdog, etc */
static void init_system( void );
/* configure timer ISR to fire regularly */
static void init_timer_isr( void );
/* Assign the parameters values to global configuration parameter structure */
static void qt_set_parameters( void );
/* Configure the sensors */
static void config_sensors(void);
/* Configure the sensors for Keys configuration */
static void config_keys(void);
/*----------------------------------------------------------------------------
Structure Declarations
----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------
macros
----------------------------------------------------------------------------*/
#define GET_SENSOR_STATE(SENSOR_NUMBER) qt_measure_data.qt_touch_status.sensor_states[(SENSOR_NUMBER/8)] & (1 << (SENSOR_NUMBER % 8))
#define GET_ROTOR_SLIDER_POSITION(ROTOR_SLIDER_NUMBER) qt_measure_data.qt_touch_status.rotor_slider_values[ROTOR_SLIDER_NUMBER]
/*----------------------------------------------------------------------------
global variables
----------------------------------------------------------------------------*/
/* Timer period in msec. */
uint16_t qt_measurement_period_msec = 25u;
/*----------------------------------------------------------------------------
extern variables
----------------------------------------------------------------------------*/
/* This configuration data structure parameters if needs to be changed will be
changed in the qt_set_parameters function */
extern qt_touch_lib_config_data_t qt_config_data;
/* touch output - measurement data */
extern qt_touch_lib_measure_data_t qt_measure_data;
/* Get sensor delta values */
extern int16_t qt_get_sensor_delta( uint8_t sensor);
/*----------------------------------------------------------------------------
static variables
----------------------------------------------------------------------------*/
/* flag set by timer ISR when it's time to measure touch */
static volatile uint8_t time_to_measure_touch = 0u;
/* current time, set by timer ISR */
static volatile uint16_t current_time_ms_touch = 0u;
/*============================================================================
Name : main
------------------------------------------------------------------------------
Purpose : main code entry point
Input : n/a
Output : n/a
Notes :
============================================================================*/
int main( void )
{
/*status flags to indicate the re-burst for library*/
uint16_t status_flag = 0u;
uint16_t burst_flag = 0u;
/* initialise host app, pins, watchdog, etc */
init_system();
/* Configure the Sensors as keys or Keys With Rotor/Sliders in this function */
config_sensors();
/* initialise touch sensing */
qt_init_sensing();
/* Set the parameters like recalibration threshold, Max_On_Duration etc in this function by the user */
qt_set_parameters( );
/* configure timer ISR to fire regularly */
init_timer_isr();
/* Address to pass address of user functions */
/* This function is called after the library has made capacitive measurements,
* but before it has processed them. The user can use this hook to apply filter
* functions to the measured signal values.(Possibly to fix sensor layout faults) */
qt_filter_callback = 0;
/* enable interrupts */
__enable_interrupt();
// /* loop forever */
// for( ; ; )
// {
// if( time_to_measure_touch )
// {
/* clear flag: it's time to measure touch */
// time_to_measure_touch = 0u;
// do {
/* one time measure touch sensors */
// status_flag = qt_measure_sensors( current_time_ms_touch );
// burst_flag = status_flag & QTLIB_BURST_AGAIN;
/* Time-critical host application code goes here */
// }while (burst_flag) ;
/* Time Non-critical host application code goes here */
// }
// }
while(1)
{
if( time_to_measure_touch )
{
time_to_measure_touch = 0u;
qt_measure_sensors( current_time_ms_touch) ;
}
if(qt_measure_data.qt_touch_status.sensor_states[0]&0x01)
PORTC&=~(1<<PC0);//A灯亮
else
PORTC|=(1<<PC0);//A灯灭
}
}
/*============================================================================
Name : config_sensors
------------------------------------------------------------------------------
Purpose : Configure the sensors
Input : n/a
Output : n/a
Notes : n/a
============================================================================*/
static void config_sensors(void)
{
config_keys();
}
/*============================================================================
Name : config_keys
------------------------------------------------------------------------------
Purpose : Configure the sensors as keys only
Input : n/a
Output : n/a
Notes : n/a
============================================================================*/
static void config_keys(void)
{
/* enable sensors 0..3: keys on channels 0..3 */
qt_enable_key( CHANNEL_0, AKS_GROUP_1, 10u, HYST_6_25 );
qt_enable_key( CHANNEL_1, AKS_GROUP_1, 10u, HYST_6_25 );
qt_enable_key( CHANNEL_2, AKS_GROUP_1, 10u, HYST_6_25 );
qt_enable_key( CHANNEL_3, AKS_GROUP_1, 10u, HYST_6_25 );
/* enable sensors 4..7: keys on channels 4..7 */
qt_enable_key( CHANNEL_4, AKS_GROUP_1, 10u, HYST_6_25 );
qt_enable_key( CHANNEL_5, AKS_GROUP_1, 10u, HYST_6_25 );
qt_enable_key( CHANNEL_6, AKS_GROUP_1, 10u, HYST_6_25 );
qt_enable_key( CHANNEL_7, AKS_GROUP_1, 10u, HYST_6_25 );
}
/*============================================================================
Name : init_system
------------------------------------------------------------------------------
Purpose : initialise host app, pins, watchdog, etc
Input : n/a
Output : n/a
Notes :
============================================================================*/
static void init_system( void )
{
/* disable pull-ups */
MCUCR |= (1u << PUD);
}
/*============================================================================
Name : timer_isr
------------------------------------------------------------------------------
Purpose : timer 1 compare ISR
Input : n/a
Output : n/a
Notes :
============================================================================*/
ISR(TIMER1_COMPA_vect)
{
/* set flag: it's time to measure touch */
time_to_measure_touch = 1u;
/* update the current time */
current_time_ms_touch += qt_measurement_period_msec;
}
/*============================================================================
Name : qt_set_parameters
------------------------------------------------------------------------------
Purpose : This will fill the default threshold values in the configuration
data structure.But User can change the values of these parameters .
Input : n/a
Output : n/a
Notes : initialize configuration data for processing
============================================================================*/
static void qt_set_parameters( void )
{
/* This will be modified by the user to different values */
qt_config_data.qt_di = DEF_QT_DI;
qt_config_data.qt_neg_drift_rate = DEF_QT_NEG_DRIFT_RATE;
qt_config_data.qt_pos_drift_rate = DEF_QT_POS_DRIFT_RATE;
qt_config_data.qt_max_on_duration = DEF_QT_MAX_ON_DURATION;
qt_config_data.qt_drift_hold_time = DEF_QT_DRIFT_HOLD_TIME;
qt_config_data.qt_recal_threshold = DEF_QT_RECAL_THRESHOLD;
qt_config_data.qt_pos_recal_delay = DEF_QT_POS_RECAL_DELAY;
}
编译之后是：
Build started 7.5.2012 at 10:50:08
avr-gcc -I"C:\Program Files\Atmel\Atmel_QTouch_Libraries_4.4\Generic_QTouch_Libraries\include" -I"C:\Program Files\Atmel\Atmel_QTouch_Libraries_4.4\Generic_QTouch_Libraries\debug" -I"C:\Program Files\Atmel\Atmel_QTouch_Libraries_4.4\Generic_QTouch_Librarie
s\AVR_Tiny_Mega_XMega\QTouch\common_files" -I"C:\Program Files\Atmel\Atmel_QTouch_Libraries_4.4\Generic_QTouch_Libraries\AVR_Tiny_Mega_XMega\QTouch\library_files" -mmcu=atmega16 -Wall -gdwarf-2 -std=gnu99 -DQT_DELAY_CYCLES=1 -D_QTOUCH_ -DSNSK1=A -DQT_NUM_
CHANNELS=8 -Os -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums -DSNS1=A -Wp,-M,-MP,-MT,11111.o,-MF,dep/11111.o.d -c ../11111.c -o 11111.o
../11111.c:45:24: "10" may not appear in macro parameter list
../11111.c: In function `main':
../11111.c:133: warning: unused variable `status_flag'
../11111.c:134: warning: unused variable `burst_flag'
../11111.c: At top level:
../11111.c:282: warning: return type defaults to `int'
../11111.c: In function `ISR':
../11111.c:282: warning: type of "TIMER1_COMPA_vect" defaults to "int"
../11111.c:288: warning: control reaches end of non-void function
../11111.c: At top level:
../11111.c:67: warning: 'init_timer_isr' used but never defined
make: *** [11111.o] Error 1
Build failed with 1 errors and 6 warnings...
不知道哪儿错了，怎么改？
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