initial commit

10 files changed, 147 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..1fe571f
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,13 @@
+.ccsproject
+.cproject
+.project
+
+msp432p401r.cmd
+startup_*_ccs.c
+system_*.c
+
+inc/**
+targetConfigs/**
+Debug/**
+.launches/**
+.settings/**
diff --git a/main.c b/main.c
new file mode 100755
index 0000000..c98cab9
--- /dev/null
+++ b/main.c
@@ -0,0 +1,49 @@
+#include "msp.h"
+#include <stdio.h>
+#include <stdint.h>
+#include <string.h>
+#include "inc/clock.h"
+
+#include "tasks/task1.h"
+#include "tasks/task2.h"
+#include "tasks/task3.h"
+#include "tasks/task4.h"
+
+/**
+ * main.c
+ */
+void main(void)
+{
+    /* DO NOT TOUCH STUFF HERE */
+    WDT_A->CTL = WDT_A_CTL_PW | WDT_A_CTL_HOLD;
+    Clock_Init48MHz();
+
+    if( !prime(5) ) printf("PRIME TEST1 FAILED WRONG ANSWER\n");
+    if( prime(10) ) printf("PRIME TEST2 FAILED WRONG ANSWER\n");
+    if( !prime(5813) ) printf("PRIME TEST3 FAILED WRONG ANSWER\n");
+
+    char task2_t1[] = "Hallo";
+    char task2_t1_out[6] = {0};
+    char task2_t2[] = "RUB";
+    char task2_t2_out[4] = {0};
+
+    reverse(task2_t1,task2_t1_out,5);
+    reverse(task2_t2,task2_t2_out,3);
+
+    if (strcmp(task2_t1_out, "ollaH") != 0) printf("REVERSE TEST1 FAILED WRONG ANSWER %s\n", task2_t1_out);
+    if (strcmp(task2_t2_out, "BUR") != 0) printf("REVERSE TEST2 FAILED WRONG ANSWER %s\n", task2_t2_out);
+
+    int task3[] = {1000,3,1210,915,813,1600};
+    if (findSum(task3,6) != 983730) printf("FINDSUM TEST1 FAILED WRONG ANSWER %d\n", findSum(task3,6));
+
+    float task4 = 35549;
+    float task4_result = sqrt(task4,20);
+    task4_result -= 188.544;
+    if (task4_result < 0.00) task4_result *= -1.00;
+    if( task4_result > 0.1) printf("SQRT TEST1 FAILED WRONG ANSWER %f\n", sqrt(task4,20));
+
+    printf("IF NO TEST FAILED, YOU ARE DONE :)\n");
+
+    /* DO NOT TOUCH STUFF HERE */
+    while(1) __asm__("  nop");
+}
diff --git a/tasks/task1.c b/tasks/task1.c
new file mode 100755
index 0000000..0f5a5c3
--- /dev/null
+++ b/tasks/task1.c
@@ -0,0 +1,12 @@
+#include "task1.h"

+

+#define noRemainder(x,y) x % y == 0

+

+int prime(unsigned int x) {

+    for (unsigned int i=2; i < x; i++) {

+        if (noRemainder(x, i))

+            return 0;

+    }

+

+    return 1;

+}

diff --git a/tasks/task1.h b/tasks/task1.h
new file mode 100755
index 0000000..99ce0a0
--- /dev/null
+++ b/tasks/task1.h
@@ -0,0 +1,7 @@
+#ifndef TASKS_TASK1_H_

+#define TASKS_TASK1_H_

+#include <stdint.h>

+

+int prime(unsigned int x);

+

+#endif /* TASKS_TASK1_H_ */

diff --git a/tasks/task2.c b/tasks/task2.c
new file mode 100755
index 0000000..020e3ad
--- /dev/null
+++ b/tasks/task2.c
@@ -0,0 +1,7 @@
+#include "task2.h"

+

+void reverse(char* in,char* out, int len) {

+    for (unsigned int i=1; i < len+1; i++) {

+        out[len-i] = in[i-1];

+    }

+}

diff --git a/tasks/task2.h b/tasks/task2.h
new file mode 100755
index 0000000..017a3b6
--- /dev/null
+++ b/tasks/task2.h
@@ -0,0 +1,7 @@
+#ifndef TASKS_TASK2_H_

+#define TASKS_TASK2_H_

+#include <stdint.h>

+

+void reverse(char* in,char* out, int len);

+

+#endif /* TASKS_TASK2_H_ */

diff --git a/tasks/task3.c b/tasks/task3.c
new file mode 100755
index 0000000..109922f
--- /dev/null
+++ b/tasks/task3.c
@@ -0,0 +1,15 @@
+#include "task3.h"

+

+#define PRODUCT 2023

+

+int findSum(int* x, int len) {

+    for (unsigned int i=0; i<len; i++)

+    {

+        for (unsigned int j=i+1; j<len; j++)

+        {

+            if (x[i]+x[j] == PRODUCT)

+                return x[i]*x[j];

+        }

+    }

+    return 0;

+}

diff --git a/tasks/task3.h b/tasks/task3.h
new file mode 100755
index 0000000..b708ae9
--- /dev/null
+++ b/tasks/task3.h
@@ -0,0 +1,6 @@
+#ifndef TASKS_TASK3_H_

+#define TASKS_TASK3_H_

+

+int findSum(int* x, int len);

+

+#endif /* TASKS_TASK3_H_ */

diff --git a/tasks/task4.c b/tasks/task4.c
new file mode 100755
index 0000000..2841811
--- /dev/null
+++ b/tasks/task4.c
@@ -0,0 +1,18 @@
+#include "task4.h"

+

+#define COMPUTE(x,y) 0.5 * (y + (x/y))

+

+float sqrt(float x, int max_iterations) {

+    float current_result = (x+1) / 2;

+    float last_result = 0;

+    int i = 0;

+

+    while (i < max_iterations)

+    {

+        last_result = current_result;

+        current_result = COMPUTE(x, last_result);

+        i++;

+    }

+

+    return current_result;

+}

diff --git a/tasks/task4.h b/tasks/task4.h
new file mode 100755
index 0000000..d59bc65
--- /dev/null
+++ b/tasks/task4.h
@@ -0,0 +1,13 @@
+/*

+ * task4.h

+ *

+ *  Created on: 21 Oct 2023

+ *      Author: Florian Stolz

+ */

+

+#ifndef TASKS_TASK4_H_

+#define TASKS_TASK4_H_

+

+float sqrt(float x, int max_iterations);

+

+#endif /* TASKS_TASK4_H_ */