00001
00050 #include "avr_compiler.h"
00051 #include "event_system_driver.h"
00052
00053 void Example1( void );
00054 void Example2( void );
00055 void Example3( void );
00056 void Example4( void );
00057
00058
00064 int main( void )
00065 {
00066
00067 Example1();
00068
00069
00070
00071
00072 do {
00073
00074 }while (1);
00075 }
00076
00077
00088 void Example1( void )
00089 {
00090
00091 PORTD.PIN0CTRL |= PORT_ISC_BOTHEDGES_gc;
00092 PORTD.DIRCLR = 0x01;
00093
00094
00095 EVSYS_SetEventSource( 0, EVSYS_CHMUX_PORTD_PIN0_gc );
00096
00097
00098
00099
00100 TCC0.CTRLD = (uint8_t) TC_EVSEL_CH0_gc | TC_EVACT_CAPT_gc;
00101
00102
00103 TCC0.CTRLB |= TC0_CCAEN_bm;
00104
00105
00106 TCC0.PER = 0xFFFF;
00107 TCC0.CTRLA = TC_CLKSEL_DIV1_gc;
00108
00109 while (1) {
00110 if ( TCC0.INTFLAGS & TC0_CCAIF_bm ) {
00111
00112
00113
00114
00115 TCC0.INTFLAGS |= TC0_CCAIF_bm;
00116 }
00117 }
00118 }
00119
00120
00130 void Example2( void )
00131 {
00132
00133 EVSYS_SetEventSource( 0, EVSYS_CHMUX_TCC0_OVF_gc );
00134
00135
00136
00137
00138 ADCA.EVCTRL = (uint8_t) ADC_SWEEP_0123_gc |
00139 ADC_EVSEL_0123_gc |
00140 ADC_EVACT_SWEEP_gc;
00141
00142
00143 ADCA.CH0.MUXCTRL = (uint8_t) ADC_CH_MUXPOS_PIN4_gc | ADC_CH_MUXNEG_PIN0_gc;
00144 ADCA.CH0.CTRL = ADC_CH_INPUTMODE_SINGLEENDED_gc;
00145 ADCA.CH1.MUXCTRL = (uint8_t) ADC_CH_MUXPOS_PIN5_gc | ADC_CH_MUXNEG_PIN0_gc;
00146 ADCA.CH1.CTRL = ADC_CH_INPUTMODE_SINGLEENDED_gc;
00147 ADCA.CH2.MUXCTRL = (uint8_t) ADC_CH_MUXPOS_PIN6_gc | ADC_CH_MUXNEG_PIN0_gc;
00148 ADCA.CH2.CTRL = ADC_CH_INPUTMODE_SINGLEENDED_gc;
00149 ADCA.CH3.MUXCTRL = (uint8_t) ADC_CH_MUXPOS_PIN7_gc | ADC_CH_MUXNEG_PIN0_gc;
00150 ADCA.CH3.CTRL = ADC_CH_INPUTMODE_SINGLEENDED_gc;
00151
00152
00153
00154
00155
00156 ADCA.PRESCALER = ( ADCA.PRESCALER & ~ADC_PRESCALER_gm ) |
00157 ADC_PRESCALER_DIV8_gc;
00158 ADCA.CTRLB = ( ADCA.CTRLB & ~ADC_RESOLUTION_gm ) |
00159 ADC_RESOLUTION_12BIT_gc;
00160 ADCA.CTRLB = ( ADCA.CTRLB & ~( ADC_CONMODE_bm | ADC_FREERUN_bm ) );
00161 ADCA.REFCTRL = ( ADCA.REFCTRL & ~ADC_REFSEL_gm ) |
00162 ADC_REFSEL_VCC_gc;
00163 ADCA.CTRLA |= ADC_ENABLE_bm;
00164
00165
00166 TCC0.PER = 0xFFFF;
00167 TCC0.CTRLA = TC_CLKSEL_DIV1_gc;
00168
00169 while (1) {
00170
00171 }
00172 }
00173
00174
00185 void Example3( void )
00186 {
00187
00188 PORTD.PIN0CTRL = PORT_ISC_BOTHEDGES_gc;
00189 PORTD.DIRCLR = 0x01;
00190
00191
00192
00193
00194 EVSYS_SetEventSource( 0, EVSYS_CHMUX_TCC0_OVF_gc );
00195
00196
00197 EVSYS_SetEventSource( 1, EVSYS_CHMUX_PORTD_PIN0_gc );
00198
00199
00200 TCC1.CTRLA = TC_CLKSEL_EVCH0_gc;
00201
00202
00203 TCC0.CTRLD = (uint8_t) TC_EVSEL_CH1_gc | TC_EVACT_CAPT_gc;
00204
00205
00206 TCC1.CTRLD = (uint8_t) TC_EVSEL_CH1_gc | TC0_EVDLY_bm | TC_EVACT_CAPT_gc;
00207
00208
00209 TCC0.CTRLB = TC0_CCAEN_bm;
00210 TCC1.CTRLB = TC1_CCAEN_bm;
00211
00212
00213 TCC0.CTRLA = TC_CLKSEL_DIV1_gc;
00214
00215 while (1) {
00216 if ( TCC0.INTFLAGS & TC0_CCAIF_bm ) {
00217
00218
00219
00220
00221 TCC0.INTFLAGS |= TC0_CCAIF_bm;
00222 TCC1.INTFLAGS |= TC1_CCAIF_bm;
00223 }
00224 }
00225 }
00226
00235 void Example4( void )
00236 {
00237
00238 PORTD.PIN0CTRL = PORT_ISC_RISING_gc;
00239 PORTD.DIRCLR = 0x01;
00240
00241
00242 PORTC.DIRSET = 0xFF;
00243
00244
00245 EVSYS_SetEventSource( 0, EVSYS_CHMUX_PORTD_PIN0_gc );
00246
00247
00248
00249
00250 EVSYS_SetEventChannelFilter( 0, EVSYS_DIGFILT_8SAMPLES_gc );
00251
00252
00253 TCC0.PER = 0xFFFF;
00254 TCC0.CTRLA = TC_CLKSEL_EVCH0_gc;
00255
00256
00257 while (1) {
00258
00259 PORTC.OUT = ~TCC0.CNT;
00260 }
00261 }