From c0325921fa49e9beef3b4aeab8f8f8bdadefd82b Mon Sep 17 00:00:00 2001
From: "yu.dongliang" <18588496441@163.com>
Date: Thu, 19 Oct 2023 23:24:30 +0800
Subject: [PATCH] ses_step_va_transistor.c

---
 ses_layout.c             |  6 +--
 ses_step_va_transistor.c | 87 ++++++++++++++++++++++++++++++++++++----
 ses_steps.c              |  3 +-
 3 files changed, 84 insertions(+), 12 deletions(-)

diff --git a/ses_layout.c b/ses_layout.c
index 8171d5e..2dedeb1 100644
--- a/ses_layout.c
+++ b/ses_layout.c
@@ -230,7 +230,7 @@ next:
 		el->c_pins = el->n_pins;
 		el->id     = i;
 
-		scf_logw("line i: %ld, %p, el->flags: %#lx\n", i, el, el->flags);
+		scf_logd("line i: %ld, %p, el->flags: %#lx\n", i, el, el->flags);
 
 		for (j = 0; j + 1 < el->n_pins; j += 2) {
 
@@ -240,9 +240,9 @@ next:
 			p->lid   = i;
 			p->c_lid = i;
 
-			scf_logi("pin j: %ld, c%ldp%ld\n", j, el->pins[j], el->pins[j + 1]);
+			scf_logd("pin j: %ld, c%ldp%ld\n", j, el->pins[j], el->pins[j + 1]);
 		}
-		printf("\n");
+//		printf("\n");
 
 		i++;
 	}
diff --git a/ses_step_va_transistor.c b/ses_step_va_transistor.c
index 26cde5b..66c38ff 100644
--- a/ses_step_va_transistor.c
+++ b/ses_step_va_transistor.c
@@ -18,10 +18,83 @@ void __ses_path_dr_transistor(ScfEfunction* f, ses_path_t* path, int i, int j)
 	p->dr  -= r;
 	p->jdr -= jr;
 
-	scf_logi("c%ldp%ld, v: %lg, r: %lg, p->sr: %lg, p->a: %lg, p->dr: %lg\n",
+	scf_logd("c%ldp%ld, v: %lg, r: %lg, p->sr: %lg, p->a: %lg, p->dr: %lg\n",
 			p->cid, p->id, v, r, p->sr, p->a, p->dr);
 }
 
+static int __ses_status_check(ScfEcomponent* c, ScfEpin* pb, ScfEpin* pe, ScfEpin* Bn)
+{
+	if (pe->v < SCF_EDA_V_MIN) {
+		pe->v = pb->v - SCF_EDA_V_Diode_ON;
+
+		if (pe->v < Bn->v) {
+			pe->v = Bn->v;
+			c->status = SCF_EDA_Status_OFF;
+		} else
+			c->status = SCF_EDA_Status_ON;
+
+		scf_loge("c%ld, status: %d\n", c->id, c->status);
+		return 1;
+
+	} else if (pb->v - pe->v < SCF_EDA_V_Diode_ON) {
+
+		if (c->status != SCF_EDA_Status_OFF) {
+			c->status  = SCF_EDA_Status_OFF;
+			scf_loge("c%ld, status: %d\n", c->id, c->status);
+			return 1;
+		}
+	} else if (SCF_EDA_Status_ON != c->status) {
+		c->status  = SCF_EDA_Status_ON;
+		scf_loge("c%ld, status: %d\n", c->id, c->status);
+		return 1;
+	}
+
+	return 0;
+}
+
+static int __ses_status_change(ScfEfunction* f, ScfEline* el)
+{
+	ScfEcomponent* c;
+	ScfEcomponent* B;
+	ScfEpin*       Bp;
+	ScfEpin*       Bn;
+	ScfEpin*       p;
+	ScfEpin*       pe;
+
+	size_t j;
+	int    changed = 0;
+
+	B  = f->components[0];
+	Bp = B->pins[SCF_EDA_Battery_POS];
+	Bn = B->pins[SCF_EDA_Battery_NEG];
+
+	for (j = 0; j + 1 < el->n_pins; j += 2) {
+
+		c  = f->components[el->pins[j]];
+		p  = c->pins      [el->pins[j + 1]];
+
+		p->v = el->v;
+
+		if (SCF_EDA_NPN == c->type) {
+			if (SCF_EDA_NPN_B == p->id) {
+
+				pe       = c->pins[SCF_EDA_NPN_E];
+				changed += __ses_status_check(c, p, pe, Bn);
+			}
+
+		} else if (SCF_EDA_Diode  == c->type) {
+
+			if (SCF_EDA_Diode_POS == p->id) {
+
+				pe       = c->pins[SCF_EDA_Diode_NEG];
+				changed += __ses_status_check(c, p, pe, Bn);
+			}
+		}
+	}
+
+	return changed;
+}
+
 static int __ses_path_va_transistor(ScfEfunction* f, ses_path_t* path, int* changed)
 {
 	ses_path_t*    parent = path->parent;
@@ -36,13 +109,7 @@ static int __ses_path_va_transistor(ScfEfunction* f, ses_path_t* path, int* chan
 	ScfEpin*       Bn;
 
 	ScfEpin*       p;
-	ScfEpin*       pb;
 	ScfEpin*       pc;
-	ScfEpin*       pe;
-
-	int i;
-	int j;
-	int k;
 
 	B  = f->components[0];
 	Bp = B->pins[SCF_EDA_Battery_POS];
@@ -64,10 +131,11 @@ static int __ses_path_va_transistor(ScfEfunction* f, ses_path_t* path, int* chan
 	p1->v  = el->v;
 	p1->jv = el->jv;
 
+	int i;
+
 	for (i = 0; i < path->pins->size - 1; i++) {
 		pc =        path->pins->data[i];
 
-		el = f->elines    [pc->lid];
 		c  = f->components[pc->cid];
 
 		if (SCF_EDA_NPN != c->type)
@@ -116,6 +184,7 @@ static int __ses_path_va_transistor(ScfEfunction* f, ses_path_t* path, int* chan
 			pc->jv = Bp->jv - jv;
 		}
 
+		el     = f->elines[pc->lid];
 		el->v  = pc->v;
 		el->jv = pc->jv;
 		el->a  = pc->a;
@@ -135,6 +204,8 @@ static int __ses_path_va_transistor(ScfEfunction* f, ses_path_t* path, int* chan
 
 		scf_loge("i: %d, c%ldp%ld--c%ldp%ld, v: %lg, pc->v: %lg, pc->a: %lg, pr: %lg, pc->dr: %lg\n\n",
 				i, p0->cid, p0->id, pc->cid, pc->id, v, pc->v, pc->a, pr, pc->dr);
+
+		*changed += __ses_status_change(f, el);
 	}
 
 	return 0;
diff --git a/ses_steps.c b/ses_steps.c
index 203a479..92534ba 100644
--- a/ses_steps.c
+++ b/ses_steps.c
@@ -137,7 +137,8 @@ int ses_steps_analyse(ScfEfunction* f, int64_t ns, int64_t count)
 		if (ret < 0)
 			return ret;
 
-		while (1) {
+		int j;
+		for (j = 0; j < 2; j++) {
 			ret = __ses_steps_analyse(f, ns, i, ctx);
 
 			if (-EAGAIN == ret)
-- 
2.25.1