Task02: Implement hardware detector script

01_git/scissors/Makefile

@@ -0,0 +1,14 @@
+# Makefile for Rock-Paper-Scissors game
+# Author: ViacheslavHolubnychyi<[email protected]>
+
+C=gcc
+OBJS=RockPaperScissors.o
+
+program: ${OBJS}
+	${C} -o program ${OBJS}
+
+RockPaperScissors.o: RockPaperScissors.c
+	${C} -c RockPaperScissors.c
+
+clean:
+	rm *.o program

01_git/scissors/RockPaperScissors.c

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+#include <stdlib.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <stdbool.h>
+
+uint32_t randomize(uint32_t range_min, uint32_t range_max)
+{
+	uint32_t* ptr1 = (uint32_t*)malloc(4);
+	uint32_t* ptr2 = (uint32_t*)malloc(4);
+	uint32_t pos_seed = (uint32_t) ptr1;
+	uint32_t src_seed = (uint32_t) ptr2;
+	free(ptr1);
+	free(ptr2);
+	uint8_t rshifts_num = pos_seed % (sizeof(src_seed)*8);
+	uint32_t random_num = (src_seed >> rshifts_num) % (range_max+1 - range_min) + range_min;
+	return random_num;
+}
+
+uint8_t get_rps_id(char rps_symbol)
+{
+	switch(rps_symbol)
+	{
+		case 'r':
+			return 0;	// rock
+		case 'p':
+			return 1;	// paper
+		case 's':
+			return 2;	// scissors
+		default:
+			return -1;	// error-code
+	}
+}
+
+char get_rps_symbol(uint8_t rps_id)
+{
+	switch(rps_id)
+	{
+		case 0:
+			return 'r';	// rock
+		case 1:
+			return 'p';	// paper
+		case 2:
+			return 's';	// scissors
+		default:
+			return 'E';	// error-code
+	}
+}
+
+char* get_rps_string(uint8_t rps_id)
+{
+	switch(rps_id)
+	{
+		case 0:
+			return "rock";	// rock
+		case 1:
+			return "paper";	// paper
+		case 2:
+			return "scissors";	// scissors
+		default:
+			return "ERROR";	// error-code
+	}
+}
+
+bool rps_does_first_win(uint8_t first, uint8_t second)
+{
+	if (first == 0 && second == 2)
+	{
+		return true;
+	}
+	else if (first == 2 && second == 0)
+	{
+		return false;
+	}
+	else
+	{
+		if (first >= second)
+		{
+			return true;
+		}
+		else if ((first == 0) && (second == 2))	// if (first = 'r' && second == 's')
+		{
+			return true;
+		}
+		else
+		{
+			return false;
+		}
+	}
+}
+
+int main()
+{
+	uint8_t random_rps = (uint8_t) randomize(0, 2);
+
+	printf("Welcome to the Rock-Paper-Scissors game.\n");
+	printf("Choose:\n r - rock,\n p - paper,\n s - scissors.\n");
+	printf("Your option: ");
+	char symbol = 0;
+	scanf("%c", &symbol);
+	uint8_t user_rps = get_rps_id(symbol);
+
+	bool does_user_win = rps_does_first_win(user_rps, random_rps);
+	printf("My option was: %c.\n", get_rps_symbol(random_rps));
+	if (does_user_win)
+	{
+		printf("You win: %s beats %s\n", get_rps_string(user_rps), get_rps_string(random_rps));
+	}
+	else
+	{
+		printf("I win: %s beats %s\n", get_rps_string(random_rps), get_rps_string(user_rps));
+	}
+
+	printf("Try again!");
+
+	printf("\n\n");
+	return 0;	
+}
+

02_bash/hwdetect/hwdetect.sh

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+#!/bin/bash
+
+#colors
+YEL='\033[1;33m'
+NC='\033[0m' # No Color
+
+echo -e "${YEL}This computer name: ${NC}"
+hostname
+echo ""
+
+echo -e "${YEL}Current directory: ${NC}"
+pwd
+echo ""
+
+echo -e "${YEL}Mounted devices: ${NC}"
+mount | grep /dev/sd
+echo ""
+
+echo -e "${YEL}USB devices: ${NC}"
+lsusb
+echo ""
+
+echo -e "${YEL}Block devices: ${NC}"
+lsblk
+echo ""
+echo -e "${YEL}SCSI devices: ${NC}"
+lsblk -S
+echo ""
+
+echo -e "${YEL}Bus devices:${NC}"
+sudo lshw -businfo
+echo ""
+
+echo -e "${YEL}PCI devices: ${NC}"
+lspci
+echo ""
+
+echo -e "${YEL}I2C devices: ${NC}"
+
+#part1
+sudo lshw | grep -w "\-pci\|pci"
+
+#part2
+i2c_num=$(sudo i2cdetect -l | wc -l)		# i2c_num = count number of lines in i2c busses list
+((max_index= ${i2c_num} - 1))			# max_index = i2c_num - 1;
+
+echo " - number of i2c busses: $i2c_num"
+for i in $(seq 0 ${max_index})
+do
+	echo " - bus $i:"
+	sudo i2cdetect -y ${i}
+	echo ""
+done