From 9b3247cc4ac1d731d6221bef448064d14bfddc74 Mon Sep 17 00:00:00 2001
From: "Michael J. Chudobiak" <mjc@avtechpulse.com>
Date: Thu, 8 Aug 2013 15:42:47 -0400
Subject: added basic parser support for EW mode, and added ew_enabled to flash

---
 device-functions.c |  5 +++++
 flash.c            |  1 +
 globals.h          |  4 ++++
 parser.c           | 16 +++++++++++++---
 4 files changed, 23 insertions(+), 3 deletions(-)

diff --git a/device-functions.c b/device-functions.c
index 4e7e54f..6faff3e 100644
--- a/device-functions.c
+++ b/device-functions.c
@@ -1370,12 +1370,17 @@ int Set_Pwmode(int channel,int mode)
 		return SyntaxError;
 	}
 
+        if (!(globals.Flash.ew_enabled[channel]) && (mode==pw_ew_ext)) {
+                return SyntaxError;
+        }
+
 	if ((mode==pw_in_out) && (globals.ChannelState[channel].trigger_source!=source_external)) {
 		return AB_Mode_Error;
 	}
 
 	globals.ChannelState[channel].pw_ctrl_mode=mode;
 
+	// TODO: implement pw_ew_ext here!
 	Set_Mux(0);
 	Set_Update_Chans();
 
diff --git a/flash.c b/flash.c
index d219054..311881c 100644
--- a/flash.c
+++ b/flash.c
@@ -698,6 +698,7 @@ static void initFlashValues(FlashStruct *mem)
 		mem->double_pulse_allowed[i]=1;
 		mem->invert_allowed[i]=1;
 		mem->ea_enabled[i]=1;
+                mem->ew_enabled[i]=0;
 		mem->switchable_load[i]=1;
 		mem->monitor_enabled[i]=0;
 		mem->use_pos_ampl_data_only[i]=0;
diff --git a/globals.h b/globals.h
index 7a02879..370facb 100644
--- a/globals.h
+++ b/globals.h
@@ -137,6 +137,7 @@
 #define to_Delay 1
 #define pw_in_out 0
 #define pw_normal 1
+#define pw_ew_ext 2
 #define double_on 1
 #define double_off 0
 #define pol_norm 0
@@ -711,6 +712,9 @@ typedef struct {
 	// don't use higher ampls in AVPs,
 	// where PW shifts near max ampl
 
+
+        char ew_enabled[max_channels];                  /* addr 10142 */
+
 	char spare_end;
 
 	char flash_end;
diff --git a/parser.c b/parser.c
index 0147e69..2f6f46c 100644
--- a/parser.c
+++ b/parser.c
@@ -1763,6 +1763,8 @@ static int Go_pw_36(gchar** response, int channel, char *parameter,char *units,i
 	case command_withparam:
 		if (!strcmp(parameter,"in")) {
 			return Set_Pwmode(channel,pw_in_out);
+		} else if (!strcmp(parameter,"ext")) {
+                        return Set_Pwmode(channel,pw_ew_ext);
 		} else if (status = process_float_param (parameter, &new_pw, globals.Constraints.err_min_pw[channel], globals.Constraints.err_max_pw[channel], NORMAL_ZERO)) {
 			return status;
 		}
@@ -1774,11 +1776,19 @@ static int Go_pw_36(gchar** response, int channel, char *parameter,char *units,i
 		break;
 
 	case query_simple:
-		if (globals.ChannelState[channel].pw_ctrl_mode==pw_normal) {
+		switch (globals.ChannelState[channel].pw_ctrl_mode) {
+		case pw_in_out:
+			return query_string(response, "IN");
+			break;
+                case pw_ew_ext:
+                        return query_string(response, "EXT");
+                        break;
+		default:
+		case pw_normal:
 			return query_float(response, globals.ChannelState[channel].pw);
-		} else {
-			return query_string(response, "The output pulse width is equal to the input pulse width.");
+			break;
 		}
+
 		break;
 
 	case query_param:
-- 
cgit