135 lines
4.0 KiB
C
135 lines
4.0 KiB
C
/**
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* @file main.c
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* @author Trevor Barnes
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* @brief Main Driver for the Week 6 "Background Music" Lab. This program uses
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* a similar menu style to the previous lab. The user is given a new option to
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* play 3 different hard coded songs in arrays of "Note" structs, provided by
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* the piezoSpeaker.h file. However, the user can now select whether or not the
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* music should play in the background to allow other functionality.
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* Experience: This lab was a challenge for me. I found that understanding
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* interrupts, and mainly how to configure them, was a roadblock that took me
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* awhile to figure out. Cleary, as this lab is incomplete I was not able to
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* fully implement my design. I do have a general idea of the structure of the
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* program I would like to implement. For my own sake and sanity, I am going to
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* work on trying finish this lab at the very least over break just so I can
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* see what it is like to get an interrupt driven program working. In this
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* case I just managed my time wrong and let myself get behind on labs.
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* @version 0.1
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* @date 2022-01-19
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*
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* @copyright Copyright (c) 2022
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <math.h>
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#include "uart_driver.h"
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#include "memory.h"
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#include "led.h"
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#include "delay.h"
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#include "piezoSpeaker.h"
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#define F_CPU 16000000UL
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void printHelp() {
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printf("*Commands*\n\r");
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printf("'rmw {hex address}' - Reads mem at a given address\n\r");
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printf("'wmw {hex address} {value}' - Writes the given value as a word to "
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"the given address\n\r");
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printf("'dm {hex address} {length}' - Dumps the memory at a given address. "
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"Defaults to 16 B if no length is given\n\r");
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printf("'ps {song choice}' - Plays a song with the given selection\n\r");
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printf("'songs' - Prints info about each song selection\n\r");
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}
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void songInfo() {
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printf("Type 1 or 2 to play a song!\n\r");
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printf("Song 1: Imperial March from Star Wars\n\r");
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printf("Song 2: Metropolis Theme from Ratchet & Clank\n\r");
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printf("Song 3: Flower Garden from Yoshi's Island\n\r");
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}
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int main(void) {
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init_usart2(57600, F_CPU);
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piezo_init();
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led_init();
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char line[50];
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char command[10];
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int address;
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int data;
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int length;
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int songSelection;
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char background;
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for(;;) {
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// Get command from user
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fgets(line, 100, stdin);
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// Parse only the command for strcmp
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sscanf(line, "%s", command);
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if (!strcmp(command, "help")) {
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// Print Help
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printHelp();
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} else if (!strcmp(command, "songs")) {
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// Print Song Info
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songInfo();
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} else if (!strcmp(command, "rmw")) {
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// Read Memory
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sscanf(line, "%s %X", command, &address);
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readMem(address);
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} else if (!strcmp(command, "wmw")) {
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// Write Memory
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sscanf(line, "%s %X %u", command, &address, &data);
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writeMem(address, data);
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} else if (!strcmp(command, "dm")) {
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// Dump Memory
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sscanf(line, "%s %X %u", command, &address, &length);
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dumpMem(address, length);
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} else if (!strcmp(command, "ps")) {
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// Song Selection Command Format:
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// "ps {songSelection} {background}"
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sscanf(line, "%s %u %c", command, &songSelection, &background);
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if (background == 'b') {
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switch(songSelection) {
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case 1:
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printf("Playing Imperial March in the background\n\r");
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play_song_br(songIM);
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break;
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case 2:
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printf("Playing Metropolis Theme in the background\n\r");
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play_song_br(songMT);
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break;
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case 3:
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printf("Playing Flower Garden in the background\n\r");
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play_song_br(songFG);
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break;
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default:
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break;
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printf("Invalid song selection\n\r");
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}
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} else {
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// Without valid flag, program plays songs in foreground
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switch(songSelection) {
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case 1:
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printf("Playing Imperial March\n\r");
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play_song(songIM);
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break;
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case 2:
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printf("Playing Metropolis Theme\n\r");
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play_song(songMT);
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break;
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case 3:
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printf("Playing Flower Garden\n\r");
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play_song(songFG);
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break;
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default:
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break;
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printf("Invalid song selection\n\r");
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}
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}
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} else {
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printf("Invalid input, type 'help' for instructions\n\r");
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}
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}
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}
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