From: Ian Sutton <ian.sutton@ibm.com>
Date: Thu, 13 Dec 2018 11:59:04 +0000 (-0600)
Subject: random panel output
X-Git-Url: https://uglyman.kremlin.cc/gitweb/gitweb.cgi?a=commitdiff_plain;h=9f65bf397621f22396ea97c264fee393fc07c9d4;p=bort-panel.git

random panel output
---

diff --git a/seg.c b/seg.c
index 462b03f..8af863e 100644
--- a/seg.c
+++ b/seg.c
@@ -4,6 +4,7 @@
 #include <unistd.h>
 #include <string.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <time.h>
 
 #include <sys/types.h>
@@ -17,6 +18,8 @@
 
 int main(int argc, char *argv[]) {
 
+	uint8_t ent[4];
+
 	signal(SIGINT, inth);
 	
 	config_pins();
@@ -28,17 +31,14 @@ int main(int argc, char *argv[]) {
 	start();
 	byte(0xc0 | 0x01);
 
-	byte(0xdd);
-	byte(0xdd);
-	byte(0xdd);
-	byte(0xdd);
-	byte(0xdd);
-	byte(0xdd);
-	byte(0xdd);
-	byte(0xdd);
-	byte(0xdd);
-	byte(0xdd);
-
+for(;;) {
+	arc4random_buf(ent, 32);
+	byte(ent[0]);
+	byte(ent[1]);
+	byte(ent[2]);
+	byte(ent[3]);
+	usleep(DEL);
+}
 	stop();
 
 	start();
diff --git a/seg.h b/seg.h
index 0d6c8a6..a831f58 100644
--- a/seg.h
+++ b/seg.h
@@ -108,6 +108,10 @@ void set_pin(char *name, int state) {
 void config_pins() {
 	struct gpio_pin_set *ser, *oe, *rclk, *srclk, *srclr, *dio, *clk;
 
+	/* ??? XXX wtf */
+	system("gpioctl gpio2 6 set out clk");
+	system("gpioctl gpio2 8 set out dio");
+
 	ser   = calloc(1, sizeof(struct gpio_pin_set));
 	oe    = calloc(1, sizeof(struct gpio_pin_set));
 	rclk  = calloc(1, sizeof(struct gpio_pin_set));