From c6f52963dab00dd26733d8f6c6f5cd81bf271734 Mon Sep 17 00:00:00 2001
From: "Michael D. M. Dryden" <mdryden@chem.utoronto.ca>
Date: Tue, 2 Feb 2016 18:10:10 -0500
Subject: [PATCH] Add pmt idle mode.
---
DSTAT/src/experiment.c | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/DSTAT/src/experiment.c b/DSTAT/src/experiment.c
index cae2900..857f8a5 100644
--- a/DSTAT/src/experiment.c
+++ b/DSTAT/src/experiment.c
@@ -48,6 +48,7 @@ static void ca_cca_callback(void);
static void portd_int0_ca(void);
static uint8_t _swv_singledir(uint16_t dacindex, uint16_t dacindex_stop, uint16_t dacindex_pulse_height, uint16_t dacindex_step, uint8_t direction);
static uint8_t _dpv_singledir(uint16_t dacindex, uint16_t dacindex_stop, uint16_t dacindex_pulse_height, uint16_t dacindex_step, uint8_t direction);
+static void pmt_idle(void);
//interrupt callback setup
typedef void (*port_callback_t) (void);
@@ -101,6 +102,10 @@ void experiment_handler(char command){
dpv_experiment(p1,p2,u1,u2,u3,u4);
break;
+ case 'M': //PMT idle mode - holds voltage at 0 V with no data output
+ pmt_idle();
+ break;
+
#if BOARD_VER_MAJOR == 1 && BOARD_VER_MINOR >= 2
case 'P': //potentiometry - time, OCP/poteniometry
scanf("%u%hhu",&pct1, &o1);
@@ -787,6 +792,23 @@ void pot_experiment(uint16_t time_seconds, uint8_t exp_type){
}
#endif
+void pmt_idle(void){
+ max5443_set_voltage1(65535);
+ ioport_set_pin_level(PIN_POT_2ELECTRODE, 1);
+ delay_ms(100);
+ ioport_set_pin_level(PIN_POT_CE, 1);
+
+ while (1){
+ if (udi_cdc_is_rx_ready()){
+ if (getchar() == 'a'){
+ printf("##ABORT\n\r");
+ // Doesn't disconnect control line to minimize time this is floating
+ return;
+ }
+ }
+ }
+}
+
void ca_experiment(uint16_t steps, uint16_t step_dac[], uint16_t step_seconds[]){
/**
* Performs a chronoamperometry experiment.
--
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