v0.2 updates

schematic/epromemu.kicad_pro

@@ -367,7 +367,7 @@
       "gencad": "",
       "idf": "",
       "netlist": "test.net",
-      "specctra_dsn": "",
+      "specctra_dsn": "epromemu.dsn",
       "step": "",
       "vrml": ""
     },

schematic/epromemu.kicad_sch

@@ -940,11 +940,11 @@
     (uuid ee41cb8e-512d-41d2-81e1-3c50fff32aeb)
   )
 
-  (no_connect (at 107.95 82.55) (uuid 003c2200-0632-4808-a662-8ddd5d30c768))
   (no_connect (at 107.95 39.37) (uuid 08a7c925-7fae-4530-b0c9-120e185cb318))
   (no_connect (at 107.95 54.61) (uuid 0cc45b5b-96b3-4284-9cae-a3a9e324a916))
   (no_connect (at 163.83 31.75) (uuid 12422a89-3d0c-485c-9386-f77121fd68fd))
   (no_connect (at 107.95 80.01) (uuid 240e07e1-770b-4b27-894f-29fd601c924d))
+  (no_connect (at 163.83 85.09) (uuid 2529037b-c325-4363-986c-2255714fc0c5))
   (no_connect (at 83.82 105.41) (uuid 25e5aa8e-2696-44a3-8d3c-c2c53f2923cf))
   (no_connect (at 163.83 64.77) (uuid 40165eda-4ba6-4565-9bb4-b9df6dbb08da))
   (no_connect (at 107.95 41.91) (uuid 4a4ec8d9-3d72-4952-83d4-808f65849a2b))
@@ -952,7 +952,6 @@
   (no_connect (at 107.95 34.29) (uuid 5528bcad-2950-4673-90eb-c37e6952c475))
   (no_connect (at 58.42 100.33) (uuid 609b9e1b-4e3b-42b7-ac76-a62ec4d0e7c7))
   (no_connect (at 107.95 87.63) (uuid 6b7c1048-12b6-46b2-b762-fa3ad30472dd))
-  (no_connect (at 83.82 107.95) (uuid 6bf05d19-ba3e-4ba6-8a6f-4e0bc45ea3b2))
   (no_connect (at 58.42 102.87) (uuid 7afa54c4-2181-41d3-81f7-39efc497ecae))
   (no_connect (at 107.95 31.75) (uuid 7bbf981c-a063-4e30-8911-e4228e1c0743))
   (no_connect (at 163.83 34.29) (uuid 7d34f6b1-ab31-49be-b011-c67fe67a8a56))
@@ -961,11 +960,9 @@
   (no_connect (at 163.83 29.21) (uuid 8e06ba1f-e3ba-4eb9-a10e-887dffd566d6))
   (no_connect (at 83.82 102.87) (uuid a24ddb4f-c217-42ca-b6cb-d12da84fb2b9))
   (no_connect (at 83.82 100.33) (uuid a6ccc556-da88-4006-ae1a-cc35733efef3))
-  (no_connect (at 58.42 107.95) (uuid b7867831-ef82-4f33-a926-59e5c1c09b91))
+  (no_connect (at 163.83 87.63) (uuid beb96153-4e10-456b-9e02-e8a500f3755f))
   (no_connect (at 107.95 44.45) (uuid cbd8faed-e1f8-4406-87c8-58b2c504a5d4))
   (no_connect (at 58.42 105.41) (uuid e54e5e19-1deb-49a9-8629-617db8e434c0))
-  (no_connect (at 107.95 85.09) (uuid ee27d19c-8dca-4ac8-a760-6dfd54d28071))
-  (no_connect (at 107.95 77.47) (uuid f2c93195-af12-4d3e-acdf-bdd0ff675c24))
 
   (wire (pts (xy 58.42 113.03) (xy 46.99 113.03))
     (stroke (width 0) (type default) (color 0 0 0 0))
@@ -1145,13 +1142,6 @@
       (effects (font (size 1.27 1.27)) hide)
     )
   )
-  (global_label "PGM_5V" (shape input) (at 212.09 107.95 0) (fields_autoplaced)
-    (effects (font (size 1.27 1.27)) (justify left))
-    (uuid 0e1ed1c5-7428-4dc7-b76e-49b2d5f8177d)
-    (property "Intersheet References" "${INTERSHEET_REFS}" (id 0) (at 0 0 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-  )
   (global_label "A1_3V3" (shape input) (at 186.69 49.53 180) (fields_autoplaced)
     (effects (font (size 1.27 1.27)) (justify right))
     (uuid 0f31f11f-c374-4640-b9a4-07bbdba8d354)
@@ -1278,10 +1268,10 @@
       (effects (font (size 1.27 1.27)) hide)
     )
   )
-  (global_label "PGM_3V3" (shape input) (at 163.83 87.63 0) (fields_autoplaced)
-    (effects (font (size 1.27 1.27)) (justify left))
+  (global_label "PGM_3V3" (shape input) (at 107.95 77.47 180) (fields_autoplaced)
+    (effects (font (size 1.27 1.27)) (justify right))
     (uuid 2d67a417-188f-4014-9282-000265d80009)
-    (property "Intersheet References" "${INTERSHEET_REFS}" (id 0) (at 0 0 0)
+    (property "Intersheet References" "${INTERSHEET_REFS}" (id 0) (at 271.78 165.1 0)
       (effects (font (size 1.27 1.27)) hide)
     )
   )
@@ -1334,11 +1324,11 @@
       (effects (font (size 1.27 1.27)) hide)
     )
   )
-  (global_label "OE_5V" (shape input) (at 58.42 60.96 180) (fields_autoplaced)
+  (global_label "CE_5V" (shape input) (at 58.42 60.96 180) (fields_autoplaced)
     (effects (font (size 1.27 1.27)) (justify right))
     (uuid 3a52f112-cb97-43db-aaeb-20afe27664d7)
-    (property "Intersheet References" "${INTERSHEET_REFS}" (id 0) (at 0 0 0)
-      (effects (font (size 1.27 1.27)) hide)
+    (property "Intersheet References" "${INTERSHEET_REFS}" (id 0) (at 50.411 60.8806 0)
+      (effects (font (size 1.27 1.27)) (justify right) hide)
     )
   )
   (global_label "A16_3V3" (shape input) (at 107.95 67.31 180) (fields_autoplaced)
@@ -1369,10 +1359,10 @@
       (effects (font (size 1.27 1.27)) hide)
     )
   )
-  (global_label "CE_3V3" (shape input) (at 163.83 85.09 0) (fields_autoplaced)
-    (effects (font (size 1.27 1.27)) (justify left))
+  (global_label "CE_3V3" (shape input) (at 107.95 82.55 180) (fields_autoplaced)
+    (effects (font (size 1.27 1.27)) (justify right))
     (uuid 477311b9-8f81-40c8-9c55-fd87e287247a)
-    (property "Intersheet References" "${INTERSHEET_REFS}" (id 0) (at 0 0 0)
+    (property "Intersheet References" "${INTERSHEET_REFS}" (id 0) (at 271.78 167.64 0)
       (effects (font (size 1.27 1.27)) hide)
     )
   )
@@ -1390,6 +1380,13 @@
       (effects (font (size 1.27 1.27)) hide)
     )
   )
+  (global_label "OE_3V3" (shape input) (at 186.69 107.95 180) (fields_autoplaced)
+    (effects (font (size 1.27 1.27)) (justify right))
+    (uuid 57f0421f-3182-45ac-9e15-58a61c1c4ca6)
+    (property "Intersheet References" "${INTERSHEET_REFS}" (id 0) (at 177.411 107.8706 0)
+      (effects (font (size 1.27 1.27)) (justify right) hide)
+    )
+  )
   (global_label "A4_5V" (shape input) (at 212.09 97.79 0) (fields_autoplaced)
     (effects (font (size 1.27 1.27)) (justify left))
     (uuid 592f25e6-a01b-47fd-8172-3da01117d00a)
@@ -1411,6 +1408,13 @@
       (effects (font (size 1.27 1.27)) hide)
     )
   )
+  (global_label "PGM_3V3" (shape input) (at 83.82 107.95 0) (fields_autoplaced)
+    (effects (font (size 1.27 1.27)) (justify left))
+    (uuid 5c3e5f78-ef90-4d70-8cdd-4b04cdf56a3f)
+    (property "Intersheet References" "${INTERSHEET_REFS}" (id 0) (at -80.01 20.32 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+  )
   (global_label "A0_3V3" (shape input) (at 186.69 46.99 180) (fields_autoplaced)
     (effects (font (size 1.27 1.27)) (justify right))
     (uuid 5fc9acb6-6dbb-4598-825b-4b9e7c4c67c4)
@@ -1663,13 +1667,6 @@
       (effects (font (size 1.27 1.27)) hide)
     )
   )
-  (global_label "PGM_3V3" (shape input) (at 186.69 107.95 180) (fields_autoplaced)
-    (effects (font (size 1.27 1.27)) (justify right))
-    (uuid aa2ea573-3f20-43c1-aa99-1f9c6031a9aa)
-    (property "Intersheet References" "${INTERSHEET_REFS}" (id 0) (at 0 0 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-  )
   (global_label "A12_3V3" (shape input) (at 186.69 102.87 180) (fields_autoplaced)
     (effects (font (size 1.27 1.27)) (justify right))
     (uuid aca4de92-9c41-4c2b-9afa-540d02dafa1c)
@@ -1677,6 +1674,13 @@
       (effects (font (size 1.27 1.27)) hide)
     )
   )
+  (global_label "PGM_5V" (shape input) (at 58.42 107.95 180) (fields_autoplaced)
+    (effects (font (size 1.27 1.27)) (justify right))
+    (uuid b0c5b296-e613-4e59-9f47-5ee9f52730e9)
+    (property "Intersheet References" "${INTERSHEET_REFS}" (id 0) (at 200.66 214.63 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+  )
   (global_label "A11_5V" (shape input) (at 142.24 121.92 0) (fields_autoplaced)
     (effects (font (size 1.27 1.27)) (justify left))
     (uuid b5071759-a4d7-4769-be02-251f23cd4454)
@@ -1705,6 +1709,13 @@
       (effects (font (size 1.27 1.27)) hide)
     )
   )
+  (global_label "OE_3V3" (shape input) (at 107.95 85.09 180) (fields_autoplaced)
+    (effects (font (size 1.27 1.27)) (justify right))
+    (uuid babfac1c-26b5-435a-a802-d01ba7dc11f8)
+    (property "Intersheet References" "${INTERSHEET_REFS}" (id 0) (at 98.671 85.0106 0)
+      (effects (font (size 1.27 1.27)) (justify right) hide)
+    )
+  )
   (global_label "A8_3V3" (shape input) (at 163.83 39.37 0) (fields_autoplaced)
     (effects (font (size 1.27 1.27)) (justify left))
     (uuid bd5408e4-362d-4e43-9d39-78fb99eb52c8)
@@ -1859,6 +1870,13 @@
       (effects (font (size 1.27 1.27)) hide)
     )
   )
+  (global_label "OE_5V" (shape input) (at 212.09 107.95 0) (fields_autoplaced)
+    (effects (font (size 1.27 1.27)) (justify left))
+    (uuid e99c2bb4-7a57-4e26-8d0c-400dab99a963)
+    (property "Intersheet References" "${INTERSHEET_REFS}" (id 0) (at 69.85 -16.51 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+  )
   (global_label "D5_3V3" (shape input) (at 83.82 35.56 0) (fields_autoplaced)
     (effects (font (size 1.27 1.27)) (justify left))
     (uuid ec5c2062-3a41-4636-8803-069e60a1641a)

schematic/epromemu.rules

@@ -11,7 +11,7 @@
     (via_costs 50)
     (plane_via_costs 5)
     (start_ripup_costs 100)
-    (start_pass_no 19955)
+    (start_pass_no 23085)
     (layer_rule F.Cu
       (active on)
       (preferred_direction horizontal)
@@ -68,6 +68,9 @@
     "kicad_default" "Via[0-1]_800:400_um-kicad_default"
   )
   (class default
+    "unconnected-(U1-Pad21)" "unconnected-(U1-Pad25)" "unconnected-(U1-Pad26)" "unconnected-(U1-Pad24)" "unconnected-(U1-Pad27)" "unconnected-(U1-Pad34)" "unconnected-(U1-Pad11)" "unconnected-(U1-Pad8)"
+    "unconnected-(U1-Pad7)" "unconnected-(U1-Pad6)" "unconnected-(U1-Pad5)" "unconnected-(U1-Pad4)" "unconnected-(U1-Pad3)" "unconnected-(U1-Pad2)" "unconnected-(U1-Pad46)" "unconnected-(U1-Pad47)"
+    "unconnected-(U1-Pad48)" "OE_3V3" "unconnected-(U3-Pad12)" "unconnected-(U3-Pad13)" "unconnected-(U3-Pad14)" "unconnected-(U3-Pad6)" "unconnected-(U3-Pad7)" "unconnected-(U3-Pad8)"
     (clearance_class default)
     (via_rule default)
     (rule

src/main.cpp

@@ -1,18 +1,21 @@
 #include <Arduino.h>
 
 // forced to a 2mbit eprom
-//char buffer[256*1024];
-extern char buffer[69600];
-int addrPins[] = { 19,18,14,15,40,41,17,16,22,23,20,21,38,39,26,27,24,25 };
-int dataPins[] = { 10,12,11,13,8,7,36,37 };
+#define ROM_BUFFER_LEN (256*1024)
+char buffer[ROM_BUFFER_LEN];
 
-int cePin = 34;
-int pgmPin = 33;
+int32_t inPins[] = { 19,18,14,15,40,41,17,16,22,23,20,21,38,39,26,27,24,25,34,35,30,31,-1 };
+int32_t outPins[] = { 10,12,11,13,8,7,36,37,-1 };
+
+int32_t cePin = 30;
+int32_t pgmPin = 31;
 
 void readFile()
 {
-	#define BUFFLEN 1024
-	char buff[BUFFLEN];
+	const int length = 1024;
+	char buff[length];
+
+	memset(buffer, 0, ROM_BUFFER_LEN);
 
 	size_t read = 0;
 	size_t total = 0;
@@ -20,7 +23,8 @@ void readFile()
 
 	do
 	{
-		read = Serial.readBytes(buff, BUFFLEN);
+		memset(buff, 0, length);
+		read = Serial.readBytes(buff, length);
 		total += read;
 		if(read > 0)
 		{
@@ -29,21 +33,21 @@ void readFile()
 		}
 	}
 	while(read != 0);
+}
 
-	Serial.printf("Total read: %d\r\n", total);
+void setPinMode(int32_t* pins, int32_t direction)
+{
+	for(int i = 0; pins[i] != -1; i++)
+		pinMode(pins[i], direction);
 }
 
 void setup()
 {
-	for(int i = 0; i < 18; i++)
-		pinMode(addrPins[i], INPUT);
+	setPinMode(inPins, INPUT);
+	setPinMode(outPins, OUTPUT);
+	GPIO7_DR = 0;
 
-	for(int i = 0; i < 8; i++)
-		pinMode(dataPins[i], OUTPUT);
-
-	//Serial.begin(115200);
-    //while (!Serial.available());
-	//readFile();
+	Serial.begin(115200);
 }
 
 void loop()
@@ -52,14 +56,18 @@ void loop()
 	uint32_t io6 = GPIO6_DR;
 
 	uint32_t addr = (((io6 >> 16) & 0xFFFF) | ((io6 & 0x3000) << 4));
-	 //Serial.printf("Addr: %08X\r\n", addr);
 
-	// // get byte
+	// get byte
 	char b = buffer[addr];
-	// Serial.printf("%02X\r\n", b);
 
 	// set data pins
-	uint32_t outb = ((b & 0x0F) << 0) |	((b & 0xF0) << 12);
-	//Serial.printf("Data: %08X\r\n", outb);
+	uint32_t outb = 0;
+	uint8_t ce = digitalReadFast(cePin);
+	if(!ce)
+ 		outb = ((b & 0x0F) << 0) | ((b & 0xF0) << 12);
+
 	GPIO7_DR = outb;
+
+	if(Serial.available())
+		readFile();
 }