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Commit 4c5ce6de authored by Michael DM Dryden's avatar Michael DM Dryden
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Move experiment TCs to not conflict with shutter.

parent 17018c27
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1 merge request!1Develop
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DSTAT/src/experiment.c
+ 100
− 101
View file @ 4c5ce6de
...@@ -563,14 +563,13 @@ uint8_t lsv_experiment(int16_t start, int16_t stop, uint16_t slope, int8_t first ...@@ -563,14 +563,13 @@ uint8_t lsv_experiment(int16_t start, int16_t stop, uint16_t slope, int8_t first
if (first_run == 1 || first_run == 2){ if (first_run == 1 || first_run == 2){
volt_exp_start(); volt_exp_start();
ads1255_rdatac(); ads1255_rdatac();
tc_enable(&TCC1);
ads1255_sync(); ads1255_sync();
tc_enable(&TCC0); tc_enable(&EXP_TC0_0);
tc_set_overflow_interrupt_callback(&TCC0, tcf0_ovf_callback); tc_enable(&EXP_TC1_0);
tc_set_overflow_interrupt_callback(&TCC1, tce1_ovf_callback_lsv); tc_set_overflow_interrupt_callback(&EXP_TC0_0, tcf0_ovf_callback);
tc_set_cca_interrupt_callback(&TCC1, lsv_cca_callback); tc_set_overflow_interrupt_callback(&EXP_TC1_0, tce1_ovf_callback_lsv);
tc_set_cca_interrupt_callback(&EXP_TC1_0, lsv_cca_callback);
portd_int0_callback = porte_int0_lsv; //ADC read portd_int0_callback = porte_int0_lsv; //ADC read
//set EVCH0 event //set EVCH0 event
...@@ -612,33 +611,33 @@ uint8_t lsv_experiment(int16_t start, int16_t stop, uint16_t slope, int8_t first ...@@ -612,33 +611,33 @@ uint8_t lsv_experiment(int16_t start, int16_t stop, uint16_t slope, int8_t first
} }
ads1255_wakeup(); ads1255_wakeup();
tc_write_period(&TCC1, 0xffff); tc_write_period(&EXP_TC1_0, 0xffff);
tc_write_period(&TCC0, (uint16_t)timer_period); tc_write_period(&EXP_TC0_0, (uint16_t)timer_period);
} }
TCC1.CNT = dacindex_start; EXP_TC1_0.CNT = dacindex_start;
if (stop > start) if (stop > start)
{ {
up = 1; up = 1;
tc_set_direction(&TCC1, TC_UP); tc_set_direction(&EXP_TC1_0, TC_UP);
} }
else else
{ {
up = -1; up = -1;
tc_set_direction(&TCC1, TC_DOWN); tc_set_direction(&EXP_TC1_0, TC_DOWN);
} }
tc_write_cc(&TCC1, TC_CCA, dacindex_stop); tc_write_cc(&EXP_TC1_0, TC_CCA, dacindex_stop);
tc_enable_cc_channels(&TCC1, TC_CCAEN); tc_enable_cc_channels(&EXP_TC1_0, TC_CCAEN);
TCC0.CNT = 0; EXP_TC0_0.CNT = 0;
tc_set_cca_interrupt_level(&TCC1, TC_INT_LVL_HI); //Stop experiment tc_set_cca_interrupt_level(&EXP_TC1_0, TC_INT_LVL_HI); //Stop experiment
tc_set_overflow_interrupt_level(&TCC0, TC_OVFINTLVL_LO_gc); //Set DAC tc_set_overflow_interrupt_level(&EXP_TC0_0, TC_OVFINTLVL_LO_gc); //Set DAC
PORTD.INTCTRL = PORT_INT0LVL_MED_gc; //ADC read PORTD.INTCTRL = PORT_INT0LVL_MED_gc; //ADC read
tc_write_clock_source(&TCC1, TC_CLKSEL_EVCH0_gc); tc_write_clock_source(&EXP_TC1_0, TC_CLKSEL_EVCH0_gc);
//Experiment run with interrupts //Experiment run with interrupts
while (up != 0){ while (up != 0){
...@@ -655,9 +654,9 @@ uint8_t lsv_experiment(int16_t start, int16_t stop, uint16_t slope, int8_t first ...@@ -655,9 +654,9 @@ uint8_t lsv_experiment(int16_t start, int16_t stop, uint16_t slope, int8_t first
if (first_run == -1 || first_run == 2) if (first_run == -1 || first_run == 2)
{ {
aborting: aborting:
tc_disable(&TCC0); tc_disable(&EXP_TC0_0);
TCC0.CNT = 0x0; EXP_TC0_0.CNT = 0x0;
tc_disable(&TCC1); tc_disable(&EXP_TC1_0);
volt_exp_stop(); volt_exp_stop();
ads1255_standby(); ads1255_standby();
return ret; return ret;
...@@ -679,7 +678,7 @@ static void porte_int0_lsv(void){ ...@@ -679,7 +678,7 @@ static void porte_int0_lsv(void){
data.result = ads1255_read_fast24(); data.result = ads1255_read_fast24();
static uint16_t last_value = 0; static uint16_t last_value = 0;
uint32_t current = TCC1.CNT; uint32_t current = EXP_TC1_0.CNT;
data.index = (current+last_value)>>1; //DAC value is average of current and last timer - approximation of center of averaging window data.index = (current+last_value)>>1; //DAC value is average of current and last timer - approximation of center of averaging window
printf("B\n"); printf("B\n");
...@@ -691,21 +690,21 @@ static void porte_int0_lsv(void){ ...@@ -691,21 +690,21 @@ static void porte_int0_lsv(void){
} }
static void tcf0_ovf_callback(void){ static void tcf0_ovf_callback(void){
max5443_set_voltage1(TCC1.CNT); max5443_set_voltage1(EXP_TC1_0.CNT);
} }
static void tce1_ovf_callback_lsv(void){ static void tce1_ovf_callback_lsv(void){
PORTD.INTCTRL = PORT_INT0LVL_OFF_gc; PORTD.INTCTRL = PORT_INT0LVL_OFF_gc;
tc_set_overflow_interrupt_level(&TCC0, TC_OVFINTLVL_OFF_gc); tc_set_overflow_interrupt_level(&EXP_TC0_0, TC_OVFINTLVL_OFF_gc);
tc_set_overflow_interrupt_level(&TCC1, TC_OVFINTLVL_OFF_gc); tc_set_overflow_interrupt_level(&EXP_TC1_0, TC_OVFINTLVL_OFF_gc);
up = 0; up = 0;
return; return;
} }
static void lsv_cca_callback(void){ static void lsv_cca_callback(void){
PORTD.INTCTRL = PORT_INT0LVL_OFF_gc; PORTD.INTCTRL = PORT_INT0LVL_OFF_gc;
tc_set_overflow_interrupt_level(&TCC0, TC_OVFINTLVL_OFF_gc); tc_set_overflow_interrupt_level(&EXP_TC0_0, TC_OVFINTLVL_OFF_gc);
tc_set_cca_interrupt_level(&TCC1, TC_INT_LVL_OFF); tc_set_cca_interrupt_level(&EXP_TC1_0, TC_INT_LVL_OFF);
up = 0; up = 0;
return; return;
} }
...@@ -729,23 +728,23 @@ void pot_experiment(uint16_t time_seconds, uint8_t exp_type){ ...@@ -729,23 +728,23 @@ void pot_experiment(uint16_t time_seconds, uint8_t exp_type){
portd_int0_callback = portd_int0_ca; //ADC interrupt portd_int0_callback = portd_int0_ca; //ADC interrupt
tc_enable(&TCC0); tc_enable(&EXP_TC0_0);
ads1255_mux(ADS_MUX_POT); ads1255_mux(ADS_MUX_POT);
ads1255_rdatac(); ads1255_rdatac();
ads1255_wakeup(); ads1255_wakeup();
tc_write_period(&TCC0,0xffff); tc_write_period(&EXP_TC0_0,0xffff);
tc_write_clock_source(&TCC0, TC_CLKSEL_EVCH0_gc); tc_write_clock_source(&EXP_TC0_0, TC_CLKSEL_EVCH0_gc);
tc_set_direction(&TCC0, TC_UP); tc_set_direction(&EXP_TC0_0, TC_UP);
up = 1; up = 1;
if (time_seconds >= 1){ //only enable interrupt if non-zero timeout specified if (time_seconds >= 1){ //only enable interrupt if non-zero timeout specified
tc_set_cca_interrupt_callback(&TCC0, ca_cca_callback); tc_set_cca_interrupt_callback(&EXP_TC0_0, ca_cca_callback);
tc_write_cc(&TCC0, TC_CCA, time_seconds-1); tc_write_cc(&EXP_TC0_0, TC_CCA, time_seconds-1);
tc_enable_cc_channels(&TCC0, TC_CCAEN); tc_enable_cc_channels(&EXP_TC0_0, TC_CCAEN);
tc_clear_cc_interrupt(&TCC0, TC_CCA); tc_clear_cc_interrupt(&EXP_TC0_0, TC_CCA);
tc_set_cca_interrupt_level(&TCC0, TC_INT_LVL_MED); tc_set_cca_interrupt_level(&EXP_TC0_0, TC_INT_LVL_MED);
} }
if (exp_type == POT_OCP) if (exp_type == POT_OCP)
...@@ -759,7 +758,7 @@ void pot_experiment(uint16_t time_seconds, uint8_t exp_type){ ...@@ -759,7 +758,7 @@ void pot_experiment(uint16_t time_seconds, uint8_t exp_type){
RTC.CNT=0; RTC.CNT=0;
PORTD.INTCTRL = PORT_INT0LVL_LO_gc; PORTD.INTCTRL = PORT_INT0LVL_LO_gc;
TCC0.CNT = 0; EXP_TC0_0.CNT = 0;
while (up !=0){ while (up !=0){
if (udi_cdc_is_rx_ready()){ if (udi_cdc_is_rx_ready()){
...@@ -772,9 +771,9 @@ void pot_experiment(uint16_t time_seconds, uint8_t exp_type){ ...@@ -772,9 +771,9 @@ void pot_experiment(uint16_t time_seconds, uint8_t exp_type){
} }
aborting: aborting:
tc_set_cca_interrupt_level(&TCC0, TC_INT_LVL_OFF); tc_set_cca_interrupt_level(&EXP_TC0_0, TC_INT_LVL_OFF);
tc_write_clock_source(&TCC0, TC_CLKSEL_OFF_gc); tc_write_clock_source(&EXP_TC0_0, TC_CLKSEL_OFF_gc);
tc_disable(&TCC0); tc_disable(&EXP_TC0_0);
volt_exp_stop(); volt_exp_stop();
ads1255_standby(); ads1255_standby();
...@@ -800,19 +799,19 @@ void ca_experiment(uint16_t steps, uint16_t step_dac[], uint16_t step_seconds[]) ...@@ -800,19 +799,19 @@ void ca_experiment(uint16_t steps, uint16_t step_dac[], uint16_t step_seconds[])
portd_int0_callback = portd_int0_ca; //ADC interrupt portd_int0_callback = portd_int0_ca; //ADC interrupt
tc_enable(&TCC0); tc_enable(&EXP_TC0_0);
tc_set_cca_interrupt_callback(&TCC0, ca_cca_callback); tc_set_cca_interrupt_callback(&EXP_TC0_0, ca_cca_callback);
ads1255_rdatac(); ads1255_rdatac();
ads1255_wakeup(); ads1255_wakeup();
tc_write_period(&TCC0,0xffff); tc_write_period(&EXP_TC0_0,0xffff);
tc_write_clock_source(&TCC0, TC_CLKSEL_EVCH0_gc); tc_write_clock_source(&EXP_TC0_0, TC_CLKSEL_EVCH0_gc);
tc_set_direction(&TCC0, TC_UP); tc_set_direction(&EXP_TC0_0, TC_UP);
tc_enable_cc_channels(&TCC0, TC_CCAEN); tc_enable_cc_channels(&EXP_TC0_0, TC_CCAEN);
tc_set_cca_interrupt_level(&TCC0, TC_INT_LVL_MED); tc_set_cca_interrupt_level(&EXP_TC0_0, TC_INT_LVL_MED);
TCC0.CNT = 0; EXP_TC0_0.CNT = 0;
max5443_set_voltage1(step_dac[0]); max5443_set_voltage1(step_dac[0]);
volt_exp_start(); volt_exp_start();
...@@ -820,7 +819,7 @@ void ca_experiment(uint16_t steps, uint16_t step_dac[], uint16_t step_seconds[]) ...@@ -820,7 +819,7 @@ void ca_experiment(uint16_t steps, uint16_t step_dac[], uint16_t step_seconds[])
for (uint8_t i = 0; i < steps; ++i) for (uint8_t i = 0; i < steps; ++i)
{ {
up = 1; up = 1;
tc_write_cc(&TCC0, TC_CCA, TCC0.CNT+step_seconds[i]-1); tc_write_cc(&EXP_TC0_0, TC_CCA, EXP_TC0_0.CNT+step_seconds[i]-1);
RTC.CNT=0; RTC.CNT=0;
max5443_set_voltage1(step_dac[i]); max5443_set_voltage1(step_dac[i]);
printf("#DAC: %u\n\r", step_dac[i]); printf("#DAC: %u\n\r", step_dac[i]);
...@@ -837,9 +836,9 @@ void ca_experiment(uint16_t steps, uint16_t step_dac[], uint16_t step_seconds[]) ...@@ -837,9 +836,9 @@ void ca_experiment(uint16_t steps, uint16_t step_dac[], uint16_t step_seconds[])
} }
aborting: aborting:
tc_set_cca_interrupt_level(&TCC0, TC_INT_LVL_OFF); tc_set_cca_interrupt_level(&EXP_TC0_0, TC_INT_LVL_OFF);
tc_write_clock_source(&TCC0, TC_CLKSEL_OFF_gc); tc_write_clock_source(&EXP_TC0_0, TC_CLKSEL_OFF_gc);
tc_disable(&TCC0); tc_disable(&EXP_TC0_0);
volt_exp_stop(); volt_exp_stop();
ads1255_standby(); ads1255_standby();
...@@ -854,7 +853,7 @@ static void portd_int0_ca(void){ ...@@ -854,7 +853,7 @@ static void portd_int0_ca(void){
int32_t current; int32_t current;
} data; } data;
data.time1 = TCC0.CNT; data.time1 = EXP_TC0_0.CNT;
data.time2 = RTC.CNT; data.time2 = RTC.CNT;
data.current = ads1255_read_fast24(); data.current = ads1255_read_fast24();
...@@ -897,16 +896,16 @@ void swv_experiment(int16_t start, int16_t stop, uint16_t step, uint16_t pulse_h ...@@ -897,16 +896,16 @@ void swv_experiment(int16_t start, int16_t stop, uint16_t step, uint16_t pulse_h
else else
direction = 0; direction = 0;
tc_enable(&TCF0); tc_enable(&EXP_TC0_1);
tc_enable(&TCC0); tc_enable(&EXP_TC0_0);
frequency *= 2; //compensate for half-period triggers frequency *= 2; //compensate for half-period triggers
//calculate time to ADC trigger //calculate time to ADC trigger
period = ceil((1/(double)frequency)*F_CPU); period = ceil((1/(double)frequency)*F_CPU);
uint32_t adc_period = ceil(((1/(double)frequency)-(double)(sample_delay_ms_100div/1e5))*F_CPU); uint32_t adc_period = ceil(((1/(double)frequency)-(double)(sample_delay_ms_100div/1e5))*F_CPU);
set_timer_period(period, &TCF0); set_timer_period(period, &EXP_TC0_1);
set_timer_period(adc_period, &TCC0); set_timer_period(adc_period, &EXP_TC0_0);
ads1255_wakeup(); ads1255_wakeup();
ads1255_standby(); ads1255_standby();
...@@ -914,15 +913,15 @@ void swv_experiment(int16_t start, int16_t stop, uint16_t step, uint16_t pulse_h ...@@ -914,15 +913,15 @@ void swv_experiment(int16_t start, int16_t stop, uint16_t step, uint16_t pulse_h
volt_exp_start(); volt_exp_start();
do{ do{
TCF0.CNT = 0; EXP_TC0_1.CNT = 0;
TCC0.CNT = 0; EXP_TC0_0.CNT = 0;
if (_swv_singledir(dacindex_start, dacindex_stop, dacindex_pulse_height, dacindex_step, direction)) if (_swv_singledir(dacindex_start, dacindex_stop, dacindex_pulse_height, dacindex_step, direction))
goto aborting; //function will return non-zero if abort called over USB goto aborting; //function will return non-zero if abort called over USB
if (scans > 0){ //non-cyclic mode skips out after one direction if (scans > 0){ //non-cyclic mode skips out after one direction
TCF0.CNT = 0; EXP_TC0_1.CNT = 0;
TCC0.CNT = 0; EXP_TC0_0.CNT = 0;
if (_swv_singledir(dacindex_stop, dacindex_start, dacindex_pulse_height, dacindex_step, !direction)) //swap start and stop and invert direction for second half of scan if (_swv_singledir(dacindex_stop, dacindex_start, dacindex_pulse_height, dacindex_step, !direction)) //swap start and stop and invert direction for second half of scan
goto aborting; goto aborting;
} }
...@@ -935,12 +934,12 @@ void swv_experiment(int16_t start, int16_t stop, uint16_t step, uint16_t pulse_h ...@@ -935,12 +934,12 @@ void swv_experiment(int16_t start, int16_t stop, uint16_t step, uint16_t pulse_h
aborting: aborting:
volt_exp_stop(); volt_exp_stop();
tc_write_clock_source(&TCF0, TC_CLKSEL_OFF_gc); tc_write_clock_source(&EXP_TC0_1, TC_CLKSEL_OFF_gc);
tc_disable(&TCF0); tc_disable(&EXP_TC0_1);
TCF0.CNT = 0; EXP_TC0_1.CNT = 0;
tc_write_clock_source(&TCC0, TC_CLKSEL_OFF_gc); tc_write_clock_source(&EXP_TC0_0, TC_CLKSEL_OFF_gc);
tc_disable(&TCC0); tc_disable(&EXP_TC0_0);
TCC0.CNT = 0; EXP_TC0_0.CNT = 0;
ads1255_standby(); ads1255_standby();
return; return;
...@@ -966,10 +965,10 @@ uint8_t _swv_singledir (uint16_t dacindex, uint16_t dacindex_stop, uint16_t daci ...@@ -966,10 +965,10 @@ uint8_t _swv_singledir (uint16_t dacindex, uint16_t dacindex_stop, uint16_t daci
max5443_set_voltage1(dacindex-dacindex_pulse_height); max5443_set_voltage1(dacindex-dacindex_pulse_height);
while ((dacindex <= dacindex_stop && direction == 1) || (dacindex >= dacindex_stop && direction == 0)){ while ((dacindex <= dacindex_stop && direction == 1) || (dacindex >= dacindex_stop && direction == 0)){
tc_clear_overflow(&TCF0); tc_clear_overflow(&EXP_TC0_1);
tc_clear_overflow(&TCC0); tc_clear_overflow(&EXP_TC0_0);
while (!tc_is_overflow(&TCC0)){ //ADC tc overflow while (!tc_is_overflow(&EXP_TC0_0)){ //ADC tc overflow
if (udi_cdc_is_rx_ready()){ //check for abort signal over USB if (udi_cdc_is_rx_ready()){ //check for abort signal over USB
if (getchar() == 'a') if (getchar() == 'a')
return 1; return 1;
...@@ -981,18 +980,18 @@ uint8_t _swv_singledir (uint16_t dacindex, uint16_t dacindex_stop, uint16_t daci ...@@ -981,18 +980,18 @@ uint8_t _swv_singledir (uint16_t dacindex, uint16_t dacindex_stop, uint16_t daci
forward = ads1255_read_single24(); forward = ads1255_read_single24();
ads1255_standby(); ads1255_standby();
while (!tc_is_overflow(&TCF0)); //wait for end of half-cycle while (!tc_is_overflow(&EXP_TC0_1)); //wait for end of half-cycle
TCC0.CNT = 0; EXP_TC0_0.CNT = 0;
if (direction == 1) //switch voltage to other half of cycle if (direction == 1) //switch voltage to other half of cycle
max5443_set_voltage1(dacindex-dacindex_pulse_height); max5443_set_voltage1(dacindex-dacindex_pulse_height);
else else
max5443_set_voltage1(dacindex+dacindex_pulse_height); max5443_set_voltage1(dacindex+dacindex_pulse_height);
tc_clear_overflow(&TCF0); //reset timer OVF tc_clear_overflow(&EXP_TC0_1); //reset timer OVF
tc_clear_overflow(&TCC0); tc_clear_overflow(&EXP_TC0_0);
while (!tc_is_overflow(&TCC0)){ //ADC tc overflow while (!tc_is_overflow(&EXP_TC0_0)){ //ADC tc overflow
if (udi_cdc_is_rx_ready()){ //check for abort signal over USB if (udi_cdc_is_rx_ready()){ //check for abort signal over USB
if (getchar() == 'a') if (getchar() == 'a')
return 1; return 1;
...@@ -1004,8 +1003,8 @@ uint8_t _swv_singledir (uint16_t dacindex, uint16_t dacindex_stop, uint16_t daci ...@@ -1004,8 +1003,8 @@ uint8_t _swv_singledir (uint16_t dacindex, uint16_t dacindex_stop, uint16_t daci
reverse = ads1255_read_single24(); reverse = ads1255_read_single24();
ads1255_standby(); ads1255_standby();
while (!tc_is_overflow(&TCF0)); //wait for end of half-cycle while (!tc_is_overflow(&EXP_TC0_1)); //wait for end of half-cycle
TCC0.CNT = 0; EXP_TC0_0.CNT = 0;
lastindex = dacindex; lastindex = dacindex;
...@@ -1065,29 +1064,29 @@ void dpv_experiment(int16_t start, int16_t stop, uint16_t step, uint16_t pulse_h ...@@ -1065,29 +1064,29 @@ void dpv_experiment(int16_t start, int16_t stop, uint16_t step, uint16_t pulse_h
else else
direction = 0; direction = 0;
tc_enable(&TCF0); tc_enable(&EXP_TC0_1);
tc_enable(&TCC0); tc_enable(&EXP_TC0_0);
//calculate time to ADC trigger //calculate time to ADC trigger
cpu_period = ceil((double)pulse_period*1e-3*F_CPU); cpu_period = ceil((double)pulse_period*1e-3*F_CPU);
uint32_t adc_period = ceil((((double)pulse_period*1e-3)-(double)(sample_delay_ms_100div/1e5))*F_CPU); uint32_t adc_period = ceil((((double)pulse_period*1e-3)-(double)(sample_delay_ms_100div/1e5))*F_CPU);
uint16_t divider = set_timer_period(cpu_period, &TCF0); uint16_t divider = set_timer_period(cpu_period, &EXP_TC0_1);
uint16_t adc_divider = set_timer_period(adc_period, &TCC0); uint16_t adc_divider = set_timer_period(adc_period, &EXP_TC0_0);
cpu_width = (double)pulse_width*1e-3*F_CPU; cpu_width = (double)pulse_width*1e-3*F_CPU;
uint32_t adc_width = ceil((((double)pulse_width*1e-3)-(double)(sample_delay_ms_100div/1e5))*F_CPU); uint32_t adc_width = ceil((((double)pulse_width*1e-3)-(double)(sample_delay_ms_100div/1e5))*F_CPU);
tc_write_cc(&TCF0, TC_CCA, (uint16_t)(cpu_width/divider)); tc_write_cc(&EXP_TC0_1, TC_CCA, (uint16_t)(cpu_width/divider));
tc_enable_cc_channels(&TCF0, TC_CCAEN); tc_enable_cc_channels(&EXP_TC0_1, TC_CCAEN);
tc_write_cc(&TCC0, TC_CCA, (uint16_t)(adc_width/adc_divider)); tc_write_cc(&EXP_TC0_0, TC_CCA, (uint16_t)(adc_width/adc_divider));
tc_enable_cc_channels(&TCC0, TC_CCAEN); tc_enable_cc_channels(&EXP_TC0_0, TC_CCAEN);
ads1255_wakeup(); ads1255_wakeup();
ads1255_standby(); ads1255_standby();
volt_exp_start(); volt_exp_start();
TCF0.CNT = 0; EXP_TC0_1.CNT = 0;
TCC0.CNT = 0; EXP_TC0_0.CNT = 0;
if (_dpv_singledir(dacindex_start, dacindex_stop, dacindex_pulse_height, dacindex_step, direction)) if (_dpv_singledir(dacindex_start, dacindex_stop, dacindex_pulse_height, dacindex_step, direction))
goto aborting; //function will return non-zero if abort called over USB goto aborting; //function will return non-zero if abort called over USB
...@@ -1096,12 +1095,12 @@ void dpv_experiment(int16_t start, int16_t stop, uint16_t step, uint16_t pulse_h ...@@ -1096,12 +1095,12 @@ void dpv_experiment(int16_t start, int16_t stop, uint16_t step, uint16_t pulse_h
aborting: aborting:
volt_exp_stop(); volt_exp_stop();
tc_write_clock_source(&TCF0, TC_CLKSEL_OFF_gc); tc_write_clock_source(&EXP_TC0_1, TC_CLKSEL_OFF_gc);
tc_disable(&TCF0); tc_disable(&EXP_TC0_1);
tc_write_clock_source(&TCC0, TC_CLKSEL_OFF_gc); tc_write_clock_source(&EXP_TC0_0, TC_CLKSEL_OFF_gc);
tc_disable(&TCC0); tc_disable(&EXP_TC0_0);
TCF0.CNT = 0; EXP_TC0_1.CNT = 0;
TCC0.CNT = 0; EXP_TC0_0.CNT = 0;
ads1255_standby(); ads1255_standby();
return; return;
...@@ -1127,12 +1126,12 @@ uint8_t _dpv_singledir (uint16_t dacindex, uint16_t dacindex_stop, uint16_t daci ...@@ -1127,12 +1126,12 @@ uint8_t _dpv_singledir (uint16_t dacindex, uint16_t dacindex_stop, uint16_t daci
max5443_set_voltage1(dacindex-dacindex_pulse_height); max5443_set_voltage1(dacindex-dacindex_pulse_height);
while ((dacindex <= dacindex_stop && direction == 1) || (dacindex >= dacindex_stop && direction == 0)){ while ((dacindex <= dacindex_stop && direction == 1) || (dacindex >= dacindex_stop && direction == 0)){
tc_clear_overflow(&TCF0); tc_clear_overflow(&EXP_TC0_1);
tc_clear_cc_interrupt(&TCF0, TC_CCA); tc_clear_cc_interrupt(&EXP_TC0_1, TC_CCA);
tc_clear_overflow(&TCC0); tc_clear_overflow(&EXP_TC0_0);
tc_clear_cc_interrupt(&TCC0, TC_CCA); tc_clear_cc_interrupt(&EXP_TC0_0, TC_CCA);
while (!tc_is_cc_interrupt(&TCC0, TC_CCA)){ //wait until ADC TC CCA match while (!tc_is_cc_interrupt(&EXP_TC0_0, TC_CCA)){ //wait until ADC TC CCA match
if (udi_cdc_is_rx_ready()){ //check for abort signal over USB if (udi_cdc_is_rx_ready()){ //check for abort signal over USB
if (getchar() == 'a') if (getchar() == 'a')
return 1; return 1;
...@@ -1144,12 +1143,12 @@ uint8_t _dpv_singledir (uint16_t dacindex, uint16_t dacindex_stop, uint16_t daci ...@@ -1144,12 +1143,12 @@ uint8_t _dpv_singledir (uint16_t dacindex, uint16_t dacindex_stop, uint16_t daci
forward = ads1255_read_single24(); forward = ads1255_read_single24();
ads1255_standby(); ads1255_standby();
while (!tc_is_cc_interrupt(&TCF0, TC_CCA)); //wait for end of half-cycle while (!tc_is_cc_interrupt(&EXP_TC0_1, TC_CCA)); //wait for end of half-cycle
//switch voltage to baseline //switch voltage to baseline
max5443_set_voltage1(dacindex); max5443_set_voltage1(dacindex);
while (!tc_is_overflow(&TCC0)){ //wait for ADC TC overflow while (!tc_is_overflow(&EXP_TC0_0)){ //wait for ADC TC overflow
if (udi_cdc_is_rx_ready()){ if (udi_cdc_is_rx_ready()){
if (getchar() == 'a') if (getchar() == 'a')
return 1; return 1;
...@@ -1161,8 +1160,8 @@ uint8_t _dpv_singledir (uint16_t dacindex, uint16_t dacindex_stop, uint16_t daci ...@@ -1161,8 +1160,8 @@ uint8_t _dpv_singledir (uint16_t dacindex, uint16_t dacindex_stop, uint16_t daci
reverse = ads1255_read_single24(); reverse = ads1255_read_single24();
ads1255_standby(); ads1255_standby();
while (!tc_is_overflow(&TCF0)); //wait for end of half-cycle while (!tc_is_overflow(&EXP_TC0_1)); //wait for end of half-cycle
TCC0.CNT = 0; // Resync ADC TC EXP_TC0_0.CNT = 0; // Resync ADC TC
lastindex = dacindex; lastindex = dacindex;
......
DSTAT/src/experiment.h
+ 4
− 0
View file @ 4c5ce6de
...@@ -72,6 +72,10 @@ ...@@ -72,6 +72,10 @@
#define RTC_COMPARE_INT_LEVEL RTC_COMPINTLVL_HI_gc #define RTC_COMPARE_INT_LEVEL RTC_COMPINTLVL_HI_gc
#define EXP_TC0_0 TCC0
#define EXP_TC1_0 TCC1
#define EXP_TC0_1 TCF0
extern uint16_t g_gain; extern uint16_t g_gain;
extern uint8_t g_short; extern uint8_t g_short;
extern uint8_t autogain_enable; extern uint8_t autogain_enable;
......
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