From 2b25fa21db02919b25cf2d497d49f713e867b0e4 Mon Sep 17 00:00:00 2001
From: Ian Sutton <ian.sutton@ibm.com>
Date: Tue, 15 Jan 2019 19:58:07 -0600
Subject: [PATCH] fuck meaningful commit messages

---
 Makefile |   0
 pins.c   | 107 +++++++++++++++++++++++++++++++++++++++++++++++++++----
 pins.h   |   0
 seg.c    |  24 ++++++-------
 seg.h    |   4 ++-
 sr.sh    |  20 ++++++++---
 6 files changed, 131 insertions(+), 24 deletions(-)
 mode change 100755 => 100644 Makefile
 mode change 100755 => 100644 pins.c
 mode change 100755 => 100644 pins.h
 mode change 100755 => 100644 seg.c
 mode change 100755 => 100644 seg.h

diff --git a/Makefile b/Makefile
old mode 100755
new mode 100644
diff --git a/pins.c b/pins.c
old mode 100755
new mode 100644
index 48433c5..cd49a5c
--- a/pins.c
+++ b/pins.c
@@ -19,18 +19,34 @@
 #define HI(N)	set(N, 1)
 #define LO(N)	set(N, 0)
 
+void test_7seg();
+
 void kd2() {
-	usleep(10000);
+	usleep(5000);
 }
 
 void kdh() {
-    usleep(5000);
+    usleep(2500);
 }
 
 void kd1() {
 	usleep(1);
 }
 
+uint8_t sample(char *name) {
+	struct gpio_pin_op op;
+	struct pin2dev *p = pin(name);
+	int fd = num2fd(p->dev), t;
+
+	strlcpy(op.gp_name, name, GPIOPINMAXNAME);
+
+	t = ioctl(fd, GPIOPINREAD, &op);
+
+//	printf("read %d, err: %d\n", op.gp_value, t);
+	
+	return op.gp_value;	
+}
+
 void test_pins() {
 	for(;;) {
 		HI("clk");
@@ -56,6 +72,7 @@ void tick(int n) {
 		HI("clk");
 		kd2();
 	}
+	sample("srq1");
 }
 
 void clear() {
@@ -72,19 +89,75 @@ void clear() {
 	kd2();
 }
 
+uint8_t sample_byte(char *name) {
+	uint8_t ret = 0;
+	int i = 8;
+
+	for(; i > 0; i--) {
+		ret |= (sample(name) << i);
+		kd2();
+		LO("clk");
+		kd2();
+		HI("clk");
+	}
+
+	return ret;
+}
+
+void sample_bytes() {
+	uint8_t ret[6];
+	int i = 8, j = 0;
+	char *s;
+
+	s = calloc(10, 1);
+	memset(&ret[0], 0, 6);
+
+	for(; i > 0; i--) {
+		for(j = 0; j < 6; j++) {
+			sprintf(s, "srq%d", j + 1);
+			ret[j] |= sample(s);
+		}
+		kd2();
+		LO("clk");
+		kd2();
+		HI("clk");
+	}
+
+	for(i = 0; i < 6; i++)
+		printf("SRQ%d: %02x\n", i + 1, ret[i]);
+
+	printf("\n\n\n");
+}
+
 int main(int argc, char *argv[]) {
 
+	uint8_t b;
+
 	signal(SIGINT, inth);
 
 	pins_init();
-//	config_pins();
+	config_pins();
 	pincnt();
 
-	pcfg(1, 6,  -1, INPUT | PULLDOWN, "ser");
+	pcfg(1, 7,  -1, INPUT | PULLDOWN, "srq1");
+	pcfg(1, 3,  -1, INPUT | PULLDOWN, "srq2");
+	pcfg(1, 12,  -1, INPUT | PULLDOWN, "srq3");
+	pcfg(0, 26,  -1, INPUT | PULLDOWN, "srq4");
+	pcfg(1, 14,  -1, INPUT | PULLDOWN, "srq5");
+	pcfg(2, 1,  -1, INPUT | PULLDOWN, "srq6");
 	pcfg(1, 13,  0, OUTPUT, "clk");
 	pcfg(1, 15,  0, OUTPUT, "shld");
 	pcfg(0, 27,  0, OUTPUT, "clr");
-	pcfg(1, 2,   0, OUTPUT, "clkinh");
+	pcfg(2, 2,   0, OUTPUT, "clkinh");
+
+	/* 7 seg */
+	pcfg(2, 10, 0, OUTPUT, "ss-rst");
+	pcfg(2, 12, 0, OUTPUT, "ss-clk");
+//	test_7seg();
+
+	start();
+	byte(0x8f);
+	stop();
 
 	LO("clk");
 	HI("clkinh");
@@ -115,12 +188,32 @@ for(;;){
 	kdh();
 	HI("clk");
 	kd2();
-	tick(2);
 	LO("clk");
 	LO("clkinh");
 	kd2();
 	HI("clk");
+
+	b = sample_byte("srq1");
+	printf("TEST: 0x%02x\n", b);
+//    sample_bytes();
+
 	kd2();
-	tick(8);
+//	tick(16);
+//	tick(7);
+}
 }
+
+void test_7seg() {
+
+	HI("ss-rst");
+	sleep(1);
+	LO("ss-rst");
+
+	for(;;) {
+		HI("ss-clk");
+		usleep(50000);
+		LO("ss-clk");
+		usleep(50000);
+	}
+
 }
diff --git a/pins.h b/pins.h
old mode 100755
new mode 100644
diff --git a/seg.c b/seg.c
old mode 100755
new mode 100644
index 2f6867f..6f7b25f
--- a/seg.c
+++ b/seg.c
@@ -26,21 +26,21 @@ int main(int argc, char *argv[]) {
 	config_pins();
 	pincnt();
 
-	start();
-	byte(0x8f);
-	stop();
+//	start();
+//	byte(0x8f);
+//	stop();
 
 	start();
 	byte(0x40);
 	stop();
 	start();
-	byte(0xc0 | 0x00);
-	byte(0x00);
-	byte(0x00);
-	byte(0x00);
-	byte(0x00);
-	byte(0x00);
-	byte(0x00);
+	byte(0xc0 | 0x03);
+	byte(0xff);
+	byte(0xff);
+	byte(0xff);
+	byte(0xff);
+	byte(0xff);
+	byte(0xff);
 /*for(;;) {
 	arc4random_buf(ent, 32);
 	byte(ent[0]);
@@ -50,12 +50,12 @@ int main(int argc, char *argv[]) {
 	usleep(DEL);
 }*/
 
-for(;;) {
+/*for(;;) {
 	UP("clk");
 	usleep(1);
 	DOWN("clk");
 	usleep(1);
-}
+}*/
 
 for(;;) {
 	byte(dig(0x0c));
diff --git a/seg.h b/seg.h
old mode 100755
new mode 100644
index d3c5679..c815510
--- a/seg.h
+++ b/seg.h
@@ -76,13 +76,15 @@ uint8_t dig(uint8_t d) {
 
 void kd() {
 
+	usleep(1);
+/*
 	asm("movs r0, #0");
 
 	for(int i = 0; i < 10; i++) {
 		asm("movs  r0, #10\n\t"  
 		"1: subs  r0, r0, #1\n\t"
 		"bne   1b");
-	}
+	}*/ 
 
 /*	volatile int t = 0;
 
diff --git a/sr.sh b/sr.sh
index 97d1b88..fa82e04 100755
--- a/sr.sh
+++ b/sr.sh
@@ -1,7 +1,19 @@
 #!/bin/ksh
 
+# dial inputs
+gpioctl gpio1 13 set out clk
+gpioctl gpio1 15 set out shld
+gpioctl gpio0 27 set out clr
+gpioctl gpio2 2  set out clkinh
 
-gpioctl gpio1 13 set output clk
-gpioctl gpio1 6  set input pd srser
-gpioctl gpio1 15 set output shld
-gpioctl gpio0 27 set output clr
+gpioctl gpio1 7  set in pd srq1
+gpioctl gpio1 3  set in pd srq2
+gpioctl gpio1 12 set in pd srq3
+gpioctl gpio0 26 set in pd srq4
+gpioctl gpio1 14 set in pd srq5
+gpioctl gpio2 1  set in pd srq6
+
+
+# 7seg
+gpioctl gpio2 10 set out ss-rst
+gpioctl gpio2 12 set out ss-clk
-- 
2.41.0