code. compile. run. debug. share.
#include <stdio.h>
#define _LED_ROWS 5
#define _LED_COLS 5
static const unsigned int _LED_TABLE[_LED_ROWS][_LED_COLS] =
{
{4, 5, 14, 15, 24},
{3, 6, 13, 16, 23},
{2, 7, 12, 17, 22},
{1, 8, 11, 18, 21},
{0, 9, 10, 19, 20},
};
static unsigned char _LED_DISPLAY[_LED_ROWS][_LED_COLS] =
{
{0, 0, 0, 0, 0},
{0, 0, 0, 0, 0},
{0, 0, 0, 0, 0},
{0, 0, 0, 0, 0},
{0, 0, 0, 0, 0},
};
int main() {
int i, j, rows = 3;
for(int i = 1; i <= rows; i++)
{
for(int j = 1; j < 2 * rows; j++)
{
if(j < i)
//printf(" "); // space
_LED_DISPLAY[i - 1][j - 1] = 0;
//printf("SET LED %2.2d = 0\n", _LED_TABLE[i][j]);
else if(j <= 2 * rows - i)
//printf("*"); //star
_LED_DISPLAY[i - 1][j - 1] = 1;
//printf("SET LED %2.2d = 1\n", _LED_TABLE[i][j]);
}
printf("\n"); // new line
for (size_t i = 0; i < _LED_ROWS; i++)
{
printf("{ ");
for (size_t j = 0; j < _LED_COLS; j++)
{
printf("%u ", _LED_DISPLAY[i][j]);
}
printf("}\n");
}
printf("\n");
}
return 0;
}
Compiling Program...
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