sch2fig/: better error reporting; add features of Neo900 sheet 2

sch2fig/Makefile

@@ -34,5 +34,5 @@ sch:
 test:		$(NAME)
 		./$(NAME) $(NEO900_HW)/neo900.lib \
 		    $(KICAD_LIBS)/powered.lib \
-		    $(NEO900_HW)/neo900_SS_1.sch \
+		    $(NEO900_HW)/neo900_SS_2.sch \
 		    >out.fig

sch2fig/fig.c

@@ -14,7 +14,9 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <math.h>
+#include <assert.h>
 
+#include "util.h"
 #include "style.h"
 #include "text.h"
 #include "fig.h"
@@ -96,8 +98,8 @@ void fig_glabel(int x, int y, const char *s, int dir, int dim,
 		.vert = text_mid,
 	};
 	int n = 6;
-	int vx[5];
-	int vy[5];
+	int vx[7];
+	int vy[7];
 	int half = (dim >> 1) + GLABEL_OFFSET;
 
 	switch (dir) {
@@ -106,7 +108,7 @@ void fig_glabel(int x, int y, const char *s, int dir, int dim,
 		txt.hor = text_max;
 		break;
 	default:
-		abort();
+		assert(0);
 	}
 
 	switch (shape) {
@@ -136,8 +138,24 @@ void fig_glabel(int x, int y, const char *s, int dir, int dim,
 		text_rel(&txt, text_min, text_mid, -GLABEL_OFFSET- half, 0,
 		    vx + 5, vy + 5);
 		break;
+	case fig_bidir:
+		text_shift(&txt, txt.hor, text_mid, -GLABEL_OFFSET - half, 0);
+		n = 7;
+		text_rel(&txt, text_min, text_min,
+		    -GLABEL_OFFSET, GLABEL_OFFSET, vx + 1, vy + 1);
+		text_rel(&txt, text_max, text_min,
+		    GLABEL_OFFSET, GLABEL_OFFSET, vx + 2, vy + 2);
+		text_rel(&txt, text_max, text_mid, GLABEL_OFFSET + half, 0,
+		    vx + 3, vy + 3);
+		text_rel(&txt, text_max, text_max,
+		    GLABEL_OFFSET, -GLABEL_OFFSET, vx + 4, vy + 4);
+		text_rel(&txt, text_min, text_max,
+		    -GLABEL_OFFSET, -GLABEL_OFFSET, vx + 5, vy + 5);
+		text_rel(&txt, text_min, text_mid, -GLABEL_OFFSET- half, 0,
+		    vx + 6, vy + 6);
+		break;
 	default:
-		abort();
+		assert(0);
 	}
 
 	text_fig(&txt, COLOR_GLABEL, LAYER_GLABEL);
@@ -159,6 +177,17 @@ void fig_junction(int x, int y)
 }
 
 
+void fig_noconn(int x, int y)
+{
+	int vx[2] = { x - NOCONN_LEN, x + NOCONN_LEN };
+	int vy[2] = { y - NOCONN_LEN, y + NOCONN_LEN };
+
+	fig_poly(2, vx, vy, COLOR_NOCONN, LAYER_NOCONN);
+	swap(vy[0], vy[1]);
+	fig_poly(2, vx, vy, COLOR_NOCONN, LAYER_NOCONN);
+}
+
+
 void fig_wire(int sx, int sy, int ex, int ey)
 {
 	//	TypeStyle   FillCol AreaFil  Cap  FwdAr

sch2fig/fig.h

@@ -22,6 +22,7 @@ enum fig_shape {
 	fig_in,		// Input
 	fig_out,	// Output
 	fig_tri,	// 3State
+	fig_bidir,	// Bidirectional
 };
 
 
@@ -35,6 +36,7 @@ void fig_glabel(int x, int y, const char *s, int dir, int dim,
     enum fig_shape shape);
 
 void fig_junction(int x, int y);
+void fig_noconn(int x, int y);
 
 void fig_wire(int sx, int sy, int ex, int ey);
 void fig_line(int sx, int sy, int ex, int ey);

sch2fig/lib.c

@@ -262,7 +262,7 @@ static enum text_style decode_style(const char *s)
 {
 	if (!strcmp(s, "Normal"))
 		return text_normal;
-	abort();
+	assert(0);
 }
 
 

sch2fig/sch.c

@@ -16,6 +16,7 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
+#include <assert.h>
 
 #include "util.h"
 #include "misc.h"
@@ -38,6 +39,8 @@ static enum fig_shape do_decode_shape(const char *s)
 		return fig_out;
 	if (!strcmp(s, "3State"))
 		return fig_tri;
+	if (!strcmp(s, "BiDi"))
+		return fig_bidir;
 	fprintf(stderr, "unknown shape: \"%s\"\n", s);
 	exit(1);
 }
@@ -110,7 +113,7 @@ static bool parse_field(struct sch_ctx *ctx, const char *line)
 		txt->rot = 90;
 		break;
 	default:
-		abort();
+		assert(0);
 	}
 
 	switch (hor) {
@@ -124,7 +127,7 @@ static bool parse_field(struct sch_ctx *ctx, const char *line)
 		txt->hor = text_max;
 		break;
 	default:
-		abort();
+		assert(0);
 	}
 
 	switch (vert) {
@@ -138,7 +141,7 @@ static bool parse_field(struct sch_ctx *ctx, const char *line)
 		txt->vert = text_max;
 		break;
 	default:
-		abort();
+		assert(0);
 	}
 
 	// @@@ decode font
@@ -249,6 +252,13 @@ bool sch_parse(struct sch_ctx *ctx, const char *line)
 			return 1;
 		}
 
+		/* NoConn */
+
+		if (sscanf(line, "NoConn ~ %d %d", &x, &y) == 2) {
+			fig_noconn(x, y);
+			return 1;
+		}
+
 		/* Wire */
 
 		if (sscanf(line, "Wire Wire Line%n", &n) == 0 && n) {
@@ -347,5 +357,5 @@ bool sch_parse(struct sch_ctx *ctx, const char *line)
 void sch_init(struct sch_ctx *ctx)
 {
 	ctx->state = sch_descr;
-	ctx->lineno++;
+	ctx->lineno = 0;
 }

sch2fig/style.h

@@ -24,6 +24,7 @@
 #define	COLOR_SHEET_DWG		COLOR_BLUE
 #define	COLOR_TEXT		COLOR_BLUE
 #define	COLOR_WIRE		COLOR_GREEN4
+#define	COLOR_NOCONN		COLOR_BLUE
 #define	COLOR_GLABEL		COLOR_RED4
 #define	COLOR_FIELD		COLOR_CYAN3
 #define	COLOR_PIN_NAME		COLOR_FIELD
@@ -33,6 +34,7 @@
 
 #define	LAYER_GLABEL		20
 #define	LAYER_TEXT		30
+#define	LAYER_NOCONN		40
 #define	LAYER_WIRES		50
 #define	LAYER_FIELD		60
 #define	LAYER_PIN_NAME		LAYER_FIELD
@@ -46,6 +48,8 @@
 
 #define JUNCTION_R		40
 
+#define	NOCONN_LEN		25
+
 #define	GLABEL_OFFSET		20
 
 #endif /* !STYLE_H */

sch2fig/util.h

@@ -38,6 +38,10 @@
 	stralloc_tmp; })
 
 
+#define	swap(a, b) \
+    ({ typeof(a) _tmp = (a); a = (b); b = _tmp; })
+
+
 #define	unsupported(s) \
 	fprintf(stderr, __FILE__ ":%d: unsupported: " s "\n", __LINE__)