From 4c5ce6de85b3625a09fa0ad538ef08fd9d028e0d Mon Sep 17 00:00:00 2001
From: "Michael D. M. Dryden" <mdryden@chem.utoronto.ca>
Date: Tue, 2 Feb 2016 15:18:38 -0500
Subject: [PATCH] Move experiment TCs to not conflict with shutter.
---
DSTAT/src/experiment.c | 201 ++++++++++++++++++++---------------------
DSTAT/src/experiment.h | 4 +
2 files changed, 104 insertions(+), 101 deletions(-)
diff --git a/DSTAT/src/experiment.c b/DSTAT/src/experiment.c
index dcb5c23..2d2bad9 100644
--- a/DSTAT/src/experiment.c
+++ b/DSTAT/src/experiment.c
@@ -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){
volt_exp_start();
ads1255_rdatac();
- tc_enable(&TCC1);
-
ads1255_sync();
- tc_enable(&TCC0);
- tc_set_overflow_interrupt_callback(&TCC0, tcf0_ovf_callback);
- tc_set_overflow_interrupt_callback(&TCC1, tce1_ovf_callback_lsv);
- tc_set_cca_interrupt_callback(&TCC1, lsv_cca_callback);
+ tc_enable(&EXP_TC0_0);
+ tc_enable(&EXP_TC1_0);
+ tc_set_overflow_interrupt_callback(&EXP_TC0_0, tcf0_ovf_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
//set EVCH0 event
@@ -612,33 +611,33 @@ uint8_t lsv_experiment(int16_t start, int16_t stop, uint16_t slope, int8_t first
}
ads1255_wakeup();
- tc_write_period(&TCC1, 0xffff);
- tc_write_period(&TCC0, (uint16_t)timer_period);
+ tc_write_period(&EXP_TC1_0, 0xffff);
+ tc_write_period(&EXP_TC0_0, (uint16_t)timer_period);
}
- TCC1.CNT = dacindex_start;
+ EXP_TC1_0.CNT = dacindex_start;
if (stop > start)
{
up = 1;
- tc_set_direction(&TCC1, TC_UP);
+ tc_set_direction(&EXP_TC1_0, TC_UP);
}
else
{
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_enable_cc_channels(&TCC1, TC_CCAEN);
- TCC0.CNT = 0;
+ tc_write_cc(&EXP_TC1_0, TC_CCA, dacindex_stop);
+ tc_enable_cc_channels(&EXP_TC1_0, TC_CCAEN);
+ EXP_TC0_0.CNT = 0;
- tc_set_cca_interrupt_level(&TCC1, TC_INT_LVL_HI); //Stop experiment
- tc_set_overflow_interrupt_level(&TCC0, TC_OVFINTLVL_LO_gc); //Set DAC
+ tc_set_cca_interrupt_level(&EXP_TC1_0, TC_INT_LVL_HI); //Stop experiment
+ tc_set_overflow_interrupt_level(&EXP_TC0_0, TC_OVFINTLVL_LO_gc); //Set DAC
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
while (up != 0){
@@ -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)
{
aborting:
- tc_disable(&TCC0);
- TCC0.CNT = 0x0;
- tc_disable(&TCC1);
+ tc_disable(&EXP_TC0_0);
+ EXP_TC0_0.CNT = 0x0;
+ tc_disable(&EXP_TC1_0);
volt_exp_stop();
ads1255_standby();
return ret;
@@ -679,7 +678,7 @@ static void porte_int0_lsv(void){
data.result = ads1255_read_fast24();
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
printf("B\n");
@@ -691,21 +690,21 @@ static void porte_int0_lsv(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){
PORTD.INTCTRL = PORT_INT0LVL_OFF_gc;
- tc_set_overflow_interrupt_level(&TCC0, TC_OVFINTLVL_OFF_gc);
- tc_set_overflow_interrupt_level(&TCC1, TC_OVFINTLVL_OFF_gc);
+ tc_set_overflow_interrupt_level(&EXP_TC0_0, TC_OVFINTLVL_OFF_gc);
+ tc_set_overflow_interrupt_level(&EXP_TC1_0, TC_OVFINTLVL_OFF_gc);
up = 0;
return;
}
static void lsv_cca_callback(void){
PORTD.INTCTRL = PORT_INT0LVL_OFF_gc;
- tc_set_overflow_interrupt_level(&TCC0, TC_OVFINTLVL_OFF_gc);
- tc_set_cca_interrupt_level(&TCC1, TC_INT_LVL_OFF);
+ tc_set_overflow_interrupt_level(&EXP_TC0_0, TC_OVFINTLVL_OFF_gc);
+ tc_set_cca_interrupt_level(&EXP_TC1_0, TC_INT_LVL_OFF);
up = 0;
return;
}
@@ -729,23 +728,23 @@ void pot_experiment(uint16_t time_seconds, uint8_t exp_type){
portd_int0_callback = portd_int0_ca; //ADC interrupt
- tc_enable(&TCC0);
+ tc_enable(&EXP_TC0_0);
ads1255_mux(ADS_MUX_POT);
ads1255_rdatac();
ads1255_wakeup();
- tc_write_period(&TCC0,0xffff);
- tc_write_clock_source(&TCC0, TC_CLKSEL_EVCH0_gc);
- tc_set_direction(&TCC0, TC_UP);
+ tc_write_period(&EXP_TC0_0,0xffff);
+ tc_write_clock_source(&EXP_TC0_0, TC_CLKSEL_EVCH0_gc);
+ tc_set_direction(&EXP_TC0_0, TC_UP);
up = 1;
if (time_seconds >= 1){ //only enable interrupt if non-zero timeout specified
- tc_set_cca_interrupt_callback(&TCC0, ca_cca_callback);
- tc_write_cc(&TCC0, TC_CCA, time_seconds-1);
- tc_enable_cc_channels(&TCC0, TC_CCAEN);
- tc_clear_cc_interrupt(&TCC0, TC_CCA);
- tc_set_cca_interrupt_level(&TCC0, TC_INT_LVL_MED);
+ tc_set_cca_interrupt_callback(&EXP_TC0_0, ca_cca_callback);
+ tc_write_cc(&EXP_TC0_0, TC_CCA, time_seconds-1);
+ tc_enable_cc_channels(&EXP_TC0_0, TC_CCAEN);
+ tc_clear_cc_interrupt(&EXP_TC0_0, TC_CCA);
+ tc_set_cca_interrupt_level(&EXP_TC0_0, TC_INT_LVL_MED);
}
if (exp_type == POT_OCP)
@@ -759,7 +758,7 @@ void pot_experiment(uint16_t time_seconds, uint8_t exp_type){
RTC.CNT=0;
PORTD.INTCTRL = PORT_INT0LVL_LO_gc;
- TCC0.CNT = 0;
+ EXP_TC0_0.CNT = 0;
while (up !=0){
if (udi_cdc_is_rx_ready()){
@@ -772,9 +771,9 @@ void pot_experiment(uint16_t time_seconds, uint8_t exp_type){
}
aborting:
- tc_set_cca_interrupt_level(&TCC0, TC_INT_LVL_OFF);
- tc_write_clock_source(&TCC0, TC_CLKSEL_OFF_gc);
- tc_disable(&TCC0);
+ tc_set_cca_interrupt_level(&EXP_TC0_0, TC_INT_LVL_OFF);
+ tc_write_clock_source(&EXP_TC0_0, TC_CLKSEL_OFF_gc);
+ tc_disable(&EXP_TC0_0);
volt_exp_stop();
ads1255_standby();
@@ -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
- tc_enable(&TCC0);
- tc_set_cca_interrupt_callback(&TCC0, ca_cca_callback);
+ tc_enable(&EXP_TC0_0);
+ tc_set_cca_interrupt_callback(&EXP_TC0_0, ca_cca_callback);
ads1255_rdatac();
ads1255_wakeup();
- tc_write_period(&TCC0,0xffff);
- tc_write_clock_source(&TCC0, TC_CLKSEL_EVCH0_gc);
- tc_set_direction(&TCC0, TC_UP);
- tc_enable_cc_channels(&TCC0, TC_CCAEN);
- tc_set_cca_interrupt_level(&TCC0, TC_INT_LVL_MED);
+ tc_write_period(&EXP_TC0_0,0xffff);
+ tc_write_clock_source(&EXP_TC0_0, TC_CLKSEL_EVCH0_gc);
+ tc_set_direction(&EXP_TC0_0, TC_UP);
+ tc_enable_cc_channels(&EXP_TC0_0, TC_CCAEN);
+ 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]);
volt_exp_start();
@@ -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)
{
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;
max5443_set_voltage1(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[])
}
aborting:
- tc_set_cca_interrupt_level(&TCC0, TC_INT_LVL_OFF);
- tc_write_clock_source(&TCC0, TC_CLKSEL_OFF_gc);
- tc_disable(&TCC0);
+ tc_set_cca_interrupt_level(&EXP_TC0_0, TC_INT_LVL_OFF);
+ tc_write_clock_source(&EXP_TC0_0, TC_CLKSEL_OFF_gc);
+ tc_disable(&EXP_TC0_0);
volt_exp_stop();
ads1255_standby();
@@ -854,7 +853,7 @@ static void portd_int0_ca(void){
int32_t current;
} data;
- data.time1 = TCC0.CNT;
+ data.time1 = EXP_TC0_0.CNT;
data.time2 = RTC.CNT;
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
else
direction = 0;
- tc_enable(&TCF0);
- tc_enable(&TCC0);
+ tc_enable(&EXP_TC0_1);
+ tc_enable(&EXP_TC0_0);
frequency *= 2; //compensate for half-period triggers
//calculate time to ADC trigger
period = ceil((1/(double)frequency)*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(adc_period, &TCC0);
+ set_timer_period(period, &EXP_TC0_1);
+ set_timer_period(adc_period, &EXP_TC0_0);
ads1255_wakeup();
ads1255_standby();
@@ -914,15 +913,15 @@ void swv_experiment(int16_t start, int16_t stop, uint16_t step, uint16_t pulse_h
volt_exp_start();
do{
- TCF0.CNT = 0;
- TCC0.CNT = 0;
+ EXP_TC0_1.CNT = 0;
+ EXP_TC0_0.CNT = 0;
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
if (scans > 0){ //non-cyclic mode skips out after one direction
- TCF0.CNT = 0;
- TCC0.CNT = 0;
+ EXP_TC0_1.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
goto aborting;
}
@@ -935,12 +934,12 @@ void swv_experiment(int16_t start, int16_t stop, uint16_t step, uint16_t pulse_h
aborting:
volt_exp_stop();
- tc_write_clock_source(&TCF0, TC_CLKSEL_OFF_gc);
- tc_disable(&TCF0);
- TCF0.CNT = 0;
- tc_write_clock_source(&TCC0, TC_CLKSEL_OFF_gc);
- tc_disable(&TCC0);
- TCC0.CNT = 0;
+ tc_write_clock_source(&EXP_TC0_1, TC_CLKSEL_OFF_gc);
+ tc_disable(&EXP_TC0_1);
+ EXP_TC0_1.CNT = 0;
+ tc_write_clock_source(&EXP_TC0_0, TC_CLKSEL_OFF_gc);
+ tc_disable(&EXP_TC0_0);
+ EXP_TC0_0.CNT = 0;
ads1255_standby();
return;
@@ -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);
while ((dacindex <= dacindex_stop && direction == 1) || (dacindex >= dacindex_stop && direction == 0)){
- tc_clear_overflow(&TCF0);
- tc_clear_overflow(&TCC0);
+ tc_clear_overflow(&EXP_TC0_1);
+ 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 (getchar() == 'a')
return 1;
@@ -981,18 +980,18 @@ uint8_t _swv_singledir (uint16_t dacindex, uint16_t dacindex_stop, uint16_t daci
forward = ads1255_read_single24();
ads1255_standby();
- while (!tc_is_overflow(&TCF0)); //wait for end of half-cycle
- TCC0.CNT = 0;
+ while (!tc_is_overflow(&EXP_TC0_1)); //wait for end of half-cycle
+ EXP_TC0_0.CNT = 0;
if (direction == 1) //switch voltage to other half of cycle
max5443_set_voltage1(dacindex-dacindex_pulse_height);
else
max5443_set_voltage1(dacindex+dacindex_pulse_height);
- tc_clear_overflow(&TCF0); //reset timer OVF
- tc_clear_overflow(&TCC0);
+ tc_clear_overflow(&EXP_TC0_1); //reset timer OVF
+ 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 (getchar() == 'a')
return 1;
@@ -1004,8 +1003,8 @@ uint8_t _swv_singledir (uint16_t dacindex, uint16_t dacindex_stop, uint16_t daci
reverse = ads1255_read_single24();
ads1255_standby();
- while (!tc_is_overflow(&TCF0)); //wait for end of half-cycle
- TCC0.CNT = 0;
+ while (!tc_is_overflow(&EXP_TC0_1)); //wait for end of half-cycle
+ EXP_TC0_0.CNT = 0;
lastindex = dacindex;
@@ -1065,29 +1064,29 @@ void dpv_experiment(int16_t start, int16_t stop, uint16_t step, uint16_t pulse_h
else
direction = 0;
- tc_enable(&TCF0);
- tc_enable(&TCC0);
+ tc_enable(&EXP_TC0_1);
+ tc_enable(&EXP_TC0_0);
//calculate time to ADC trigger
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);
- uint16_t divider = set_timer_period(cpu_period, &TCF0);
- uint16_t adc_divider = set_timer_period(adc_period, &TCC0);
+ uint16_t divider = set_timer_period(cpu_period, &EXP_TC0_1);
+ uint16_t adc_divider = set_timer_period(adc_period, &EXP_TC0_0);
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);
- tc_write_cc(&TCF0, TC_CCA, (uint16_t)(cpu_width/divider));
- tc_enable_cc_channels(&TCF0, TC_CCAEN);
- tc_write_cc(&TCC0, TC_CCA, (uint16_t)(adc_width/adc_divider));
- tc_enable_cc_channels(&TCC0, TC_CCAEN);
+ tc_write_cc(&EXP_TC0_1, TC_CCA, (uint16_t)(cpu_width/divider));
+ tc_enable_cc_channels(&EXP_TC0_1, TC_CCAEN);
+ tc_write_cc(&EXP_TC0_0, TC_CCA, (uint16_t)(adc_width/adc_divider));
+ tc_enable_cc_channels(&EXP_TC0_0, TC_CCAEN);
ads1255_wakeup();
ads1255_standby();
volt_exp_start();
- TCF0.CNT = 0;
- TCC0.CNT = 0;
+ EXP_TC0_1.CNT = 0;
+ EXP_TC0_0.CNT = 0;
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
@@ -1096,12 +1095,12 @@ void dpv_experiment(int16_t start, int16_t stop, uint16_t step, uint16_t pulse_h
aborting:
volt_exp_stop();
- tc_write_clock_source(&TCF0, TC_CLKSEL_OFF_gc);
- tc_disable(&TCF0);
- tc_write_clock_source(&TCC0, TC_CLKSEL_OFF_gc);
- tc_disable(&TCC0);
- TCF0.CNT = 0;
- TCC0.CNT = 0;
+ tc_write_clock_source(&EXP_TC0_1, TC_CLKSEL_OFF_gc);
+ tc_disable(&EXP_TC0_1);
+ tc_write_clock_source(&EXP_TC0_0, TC_CLKSEL_OFF_gc);
+ tc_disable(&EXP_TC0_0);
+ EXP_TC0_1.CNT = 0;
+ EXP_TC0_0.CNT = 0;
ads1255_standby();
return;
@@ -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);
while ((dacindex <= dacindex_stop && direction == 1) || (dacindex >= dacindex_stop && direction == 0)){
- tc_clear_overflow(&TCF0);
- tc_clear_cc_interrupt(&TCF0, TC_CCA);
- tc_clear_overflow(&TCC0);
- tc_clear_cc_interrupt(&TCC0, TC_CCA);
+ tc_clear_overflow(&EXP_TC0_1);
+ tc_clear_cc_interrupt(&EXP_TC0_1, TC_CCA);
+ tc_clear_overflow(&EXP_TC0_0);
+ 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 (getchar() == 'a')
return 1;
@@ -1144,12 +1143,12 @@ uint8_t _dpv_singledir (uint16_t dacindex, uint16_t dacindex_stop, uint16_t daci
forward = ads1255_read_single24();
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
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 (getchar() == 'a')
return 1;
@@ -1161,8 +1160,8 @@ uint8_t _dpv_singledir (uint16_t dacindex, uint16_t dacindex_stop, uint16_t daci
reverse = ads1255_read_single24();
ads1255_standby();
- while (!tc_is_overflow(&TCF0)); //wait for end of half-cycle
- TCC0.CNT = 0; // Resync ADC TC
+ while (!tc_is_overflow(&EXP_TC0_1)); //wait for end of half-cycle
+ EXP_TC0_0.CNT = 0; // Resync ADC TC
lastindex = dacindex;
diff --git a/DSTAT/src/experiment.h b/DSTAT/src/experiment.h
index 5c47469..9b42ecc 100644
--- a/DSTAT/src/experiment.h
+++ b/DSTAT/src/experiment.h
@@ -72,6 +72,10 @@
#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 uint8_t g_short;
extern uint8_t autogain_enable;
--
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