experiment: Fix CA parameter setting.

src/experiment.c

@@ -135,16 +135,33 @@ void experiment_handler(char command[]){
             //request additional parameters from computer
             printf("@RQP %u\n", 2*(uint16_t)p5);
             
-            uint8_t i;
+            uint16_t i;
+            uint8_t result;
             
             for (i=0; i<p5; i++){
-                scanf("%u", &step_dac[i]); // get voltage steps (dac units)
-                printf("#INFO: DAC: %u\n", step_dac[i]);
+                while (1) {
+                    result = scanf("%u", &step_dac[i]); // get voltage steps (dac units)
+                    if (result == 1) {
+                        printf("@RCVC %u\n", step_dac[i]);
+                        break;
+                    }
+                    else {
+                        printf("@RCVE\n");
+                    }
+                }
             }
             
             for (i=0; i<p5; i++){
-                scanf("%u", &step_seconds[i]); //get step durations (seconds)
-                printf("#INFO: Time: %u\n", step_seconds[i]);
+                while (1) {
+                    result = scanf("%u", &step_seconds[i]); // get time steps (seconds)
+                    if (result == 1) {
+                        printf("@RCVC %u\n", step_seconds[i]);
+                        break;
+                    }
+                    else {
+                        printf("@RCVE\n");
+                    }
+                }
             }
             
             printf("@RCP %u\n", 2*(uint16_t)p5);
@@ -1255,4 +1272,4 @@ ISR(PORTD_INT0_vect){
 	if (portd_int0_callback) {
 		portd_int0_callback();
 	}
-}
\ No newline at end of file
+}