From c514f8fe3c3b25aa610139fb79c58a236e8149de Mon Sep 17 00:00:00 2001
From: sowgro <tpoke.ferrari@gmail.com>
Date: Thu, 20 Nov 2025 00:07:38 -0500
Subject: complete hw 8

---
 project/Core/Inc/Homework/hw8.h | 20 ++++++++++++++++++++
 project/Core/Src/Homework/hw8.c | 31 +++++++++++++++++++++++++++++++
 project/Core/Src/main.c         |  5 +++--
 3 files changed, 54 insertions(+), 2 deletions(-)
 create mode 100644 project/Core/Inc/Homework/hw8.h
 create mode 100644 project/Core/Src/Homework/hw8.c

(limited to 'project/Core')

diff --git a/project/Core/Inc/Homework/hw8.h b/project/Core/Inc/Homework/hw8.h
new file mode 100644
index 0000000..7f8cf29
--- /dev/null
+++ b/project/Core/Inc/Homework/hw8.h
@@ -0,0 +1,20 @@
+/*
+ * hw8.h
+ *
+ *  Created on: Nov 20, 2025
+ *      Author: sowgro
+ */
+
+#ifndef INC_HOMEWORK_HW8_H_
+#define INC_HOMEWORK_HW8_H_
+
+typedef struct {
+	uint32_t value;
+	uint8_t bytes_used;
+} parseDelay_result_t;
+
+void hw8_run();
+
+parseDelay_result_t parseDelay(uint8_t* delay);
+
+#endif /* INC_HOMEWORK_HW8_H_ */
diff --git a/project/Core/Src/Homework/hw8.c b/project/Core/Src/Homework/hw8.c
new file mode 100644
index 0000000..e684c07
--- /dev/null
+++ b/project/Core/Src/Homework/hw8.c
@@ -0,0 +1,31 @@
+/*
+ * hw8.c
+ *
+ *  Created on: Nov 19, 2025
+ *      Author: sowgro
+ */
+
+#include <stdint.h>
+#include <stdio.h>
+#include "hw8.h"
+
+void hw8_run() {
+	uint8_t data[] = {0x90, 0x82, 0x93, 0x64, 0xD3, 0x89};
+	parseDelay_result_t d = parseDelay(data);
+	printf("delay: %lu bytes: %i\r\n", d.value, d.bytes_used);
+}
+
+parseDelay_result_t parseDelay(uint8_t* delay) {
+	uint32_t ret = 0;
+	uint8_t* cur = delay;
+
+	for (;;) {
+		uint8_t value = *cur & ~(1 << 7);
+		ret = (ret << 7) | value;
+		if (~*cur & (1 << 7)) {
+			break;
+		}
+		cur++;
+	}
+	return (parseDelay_result_t) {ret, cur - delay + 1};
+}
diff --git a/project/Core/Src/main.c b/project/Core/Src/main.c
index 60d5b3d..b78da42 100644
--- a/project/Core/Src/main.c
+++ b/project/Core/Src/main.c
@@ -12,7 +12,7 @@
 #include <stdio.h>
 #include "hw4.h"
 #include "project.h"
-#include "hw6.h"
+#include "hw8.h"
 #include "activity12.h"
 
 int main(void){
@@ -30,6 +30,7 @@ int main(void){
 //	activity10_run();
 //	hw6_run();
 //	activity12_run();
-	activity13_run();
+//	activity13_run();
+	hw8_run();
 }
 
-- 
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