62 lines
1.7 KiB
C
62 lines
1.7 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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// Global variables for testing
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volatile int global_int = 0;
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volatile long global_long = 1000L;
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volatile unsigned int global_uint = 0U;
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int main(int argc, char *argv[]) {
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printf("=== Sample Program for gwatch ===\n");
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// Test 1: Simple write
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printf("Test 1: Simple write\n");
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global_int = 42;
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printf(" global_int = %d\n", global_int);
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// Test 2: Multiple writes
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printf("Test 2: Multiple writes\n");
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global_int = 100;
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printf(" global_int = %d\n", global_int);
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global_int = 200;
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printf(" global_int = %d\n", global_int);
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// Test 3: Increment operation
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printf("Test 3: Increment\n");
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global_int++;
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printf(" global_int = %d\n", global_int);
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// Test 4: Arithmetic
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printf("Test 4: Arithmetic\n");
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global_int = global_int + 50;
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printf(" global_int = %d\n", global_int);
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// Test 5: Read operation (shouldn't show write)
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printf("Test 5: Read operation\n");
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int temp = global_int;
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printf(" Read value: %d\n", temp);
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// Test 6: Long variable operations
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printf("Test 6: Long variable\n");
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global_long = 5000L;
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printf(" global_long = %ld\n", global_long);
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global_long += 2500L;
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printf(" global_long = %ld\n", global_long);
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// Test 7: Unsigned int operations
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printf("Test 7: Unsigned int\n");
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global_uint = 999U;
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printf(" global_uint = %u\n", global_uint);
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// Test 8: Command-line argument handling
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if (argc > 1) {
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printf("Test 8: With command-line args\n");
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int arg_val = atoi(argv[1]);
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global_int = arg_val;
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printf(" global_int = %d (from arg)\n", global_int);
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}
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printf("=== Program Complete ===\n");
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return 0;
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}
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