Complete input and led part of project

1 files changed, 96 insertions, 0 deletions

diff --git a/project/Core/Src/Project/project.c b/project/Core/Src/Project/project.c
index d029e0b..379f380 100644
--- a/project/Core/Src/Project/project.c
+++ b/project/Core/Src/Project/project.c
@@ -6,3 +6,99 @@
  */
 
 #include "project.h"
+#include "LED.h"
+#include "systick.h"
+#include <stdio.h>
+#include "hw4.h"
+#include <string.h>
+
+#define PLAYING_STATE (1)
+#define PAUSED_STATE (2)
+#define STOPPED_STATE (3)
+
+void handle_input(char buffer[], uint8_t *state);
+void help();
+void next();
+void play();
+void pause();
+void pause_loop();
+void stop();
+
+void project_run() {
+	char buffer[8];
+	char* cur = buffer;
+	uint8_t state = STOPPED_STATE;
+
+	help();
+	for (;;) {
+		if (state == PAUSED_STATE)
+			pause_loop();
+		char ch = read_and_print_char_nonblocking();
+		if (!ch)
+			continue;
+		if (ch == '\r') {
+			*cur = 0;
+			handle_input(buffer, &state);
+			cur = buffer;
+			continue;
+		}
+		*cur++ = ch;
+	}
+}
+
+void handle_input(char buffer[], uint8_t *state) {
+	if (!strcmp(buffer, "HELP")) {
+		help();
+	}
+	else if (!strcmp(buffer, "NEXT")) {
+		next();
+	}
+	else if (!strcmp(buffer, "PLAY")) {
+		play();
+		*state = PLAYING_STATE;
+	}
+	else if (!strcmp(buffer, "PAUSE")) {
+		pause();
+		*state = PAUSED_STATE;
+	}
+	else if (!strcmp(buffer, "STOP")) {
+		stop();
+		*state = STOPPED_STATE;
+	}
+	else {
+		printf("Unknown command \"%s\"\n\r", buffer);
+	}
+}
+
+void help() {
+	printf("\r***REMOTE LED CONTROL MENU***\r\n");
+	printf("Available User Commands:\r\n");
+	printf("NEXT - Show next song info\r\n");
+	printf("PLAY - Play the song (LED on)\r\n");
+	printf("PAUSE - Pause the song (LED flash)\r\n");
+	printf("STOP - Stop the song (LED off)\r\n");
+}
+
+void next() {
+	// TODO
+}
+
+void play() {
+	LED_On();
+}
+
+void pause() {
+	init_systick();
+}
+
+void pause_loop() {
+	if (check_systick()) {
+		LED_Toggle();
+	}
+}
+
+void stop() {
+	LED_Off();
+}
+
+