From 90038f4378b7cdbe98e32ed1e5e3055dbe4776f2 Mon Sep 17 00:00:00 2001
From: jaseg <git@jaseg.net>
Date: Thu, 20 Dec 2018 18:54:41 +0900
Subject: Add initial center firmware

---
 fw/8b10b_test.c | 78 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 fw/8b10b_test.c

(limited to 'fw/8b10b_test.c')

diff --git a/fw/8b10b_test.c b/fw/8b10b_test.c
new file mode 100644
index 0000000..d11e6b2
--- /dev/null
+++ b/fw/8b10b_test.c
@@ -0,0 +1,78 @@
+
+#include <stdio.h>
+
+#include "8b10b.h"
+
+static const char * const rc_names[] = {
+    [K28_0] = "K.28.0",
+    [K28_1] = "K.28.1",
+    [K28_2] = "K.28.2",
+    [K28_3] = "K.28.3",
+    [K28_4] = "K.28.4",
+    [K28_5] = "K.28.5",
+    [K28_6] = "K.28.6",
+    [K28_7] = "K.28.7",
+    [K23_7] = "K.23.7",
+    [K27_7] = "K.27.7",
+    [K29_7] = "K.29.7",
+    [K30_7] = "K.30.7",
+    [DECODING_ERROR] = "ERROR",
+    [DECODING_IN_PROGRESS] = "."
+};
+
+int main(void) {
+    struct state_8b10b st;
+
+    xfr_8b10b_reset(&st);
+
+    int c;
+    int comment = 0;
+    while ((c=fgetc(stdin)) != EOF) {
+        int bit;
+
+        if (comment) {
+            if (c == '\n')
+                comment = 0;
+            continue;
+        }
+
+        if (c == '\r' || c == ' ' || c == '\t' || c == '\n')
+            continue;
+
+        if (c == '#') {
+            comment = 1;
+            continue;
+        }
+
+        if (c == '0') {
+            bit = 0;
+        } else if (c == '1') {
+            bit = 1;
+        } else {
+            fprintf(stderr, "Parse error: Bit must be 0 or 1, not '%c'. Exiting.\n", c);
+            return 1;
+        }
+
+        int read_result = xfr_8b10b_feed_bit(&st, bit);
+        char sync_status = xfr_8b10b_has_sync(&st) ? 'S' : 'U';
+
+        if (read_result >= 0) {
+            fprintf(stdout, "%c%02x ", sync_status, read_result);
+
+        } else {
+            if (-read_result > sizeof(rc_names)/sizeof(rc_names[0])) {
+                fprintf(stderr, "Illegal read result %d. Exiting.\n", read_result);
+                return 2;
+            }
+
+            const char * const msg = rc_names[-read_result];
+            if (!msg) {
+                fprintf(stderr, "Illegal read result %d. Exiting.\n", read_result);
+                return 2;
+            }
+
+            fprintf(stdout, "%c%s ", sync_status, msg);
+        }
+    }
+}
+
-- 
cgit