From 1c6cd8e1ea53275cc44b2a0ee5a8448cbc4a3f0d Mon Sep 17 00:00:00 2001
From: Christian Cunningham <cc@localhost>
Date: Sat, 4 Dec 2021 17:09:22 -0700
Subject: Restructured project

---
 src/drivers/uart.a.h |  8 ++++++++
 src/drivers/uart.c   | 22 ++++++++++++++++++++++
 src/drivers/uart.h   |  7 +++++++
 3 files changed, 37 insertions(+)
 create mode 100644 src/drivers/uart.a.h
 create mode 100644 src/drivers/uart.c
 create mode 100644 src/drivers/uart.h

(limited to 'src/drivers')

diff --git a/src/drivers/uart.a.h b/src/drivers/uart.a.h
new file mode 100644
index 0000000..d4bf199
--- /dev/null
+++ b/src/drivers/uart.a.h
@@ -0,0 +1,8 @@
+#ifndef UART_AH
+#define UART_AH
+
+extern void uart_char(unsigned char c);
+extern void uart_hex(unsigned long data);
+extern void uart_string(char* message);
+
+#endif
diff --git a/src/drivers/uart.c b/src/drivers/uart.c
new file mode 100644
index 0000000..f7f15c2
--- /dev/null
+++ b/src/drivers/uart.c
@@ -0,0 +1,22 @@
+#include "uart.a.h"
+
+void uart_hexn(unsigned long c_val) {
+	uart_hex(c_val);
+	uart_char(0x0a);
+}
+
+void uart_10(unsigned long val) {
+	unsigned long t = val;
+	unsigned long c;
+	char buffer[11] = "0000000000\0";
+	char* dptr = buffer + 9;
+	for(int i = 0; i <= 10; i++) {
+		c = t%10;
+		*dptr = 0x30 + (c&0xF);
+		t /= 10;
+		if (t==0)
+			break;
+		dptr -= 1;
+	}
+	uart_string(dptr);
+}
diff --git a/src/drivers/uart.h b/src/drivers/uart.h
new file mode 100644
index 0000000..c78398b
--- /dev/null
+++ b/src/drivers/uart.h
@@ -0,0 +1,7 @@
+#ifndef UART_H
+#define UART_H
+
+void uart_hexn(unsigned long);
+void uart_10(unsigned long);
+
+#endif
-- 
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