rpi4-osdev/part12-wgt/samples/wgt41.c
2021-04-21 11:17:22 +01:00

84 lines
1.7 KiB
C

#include "include/wgt.h"
#include "include/mem.h"
#include "include/multicore.h"
// ######## REQUIRED FUNCTIONS ########
unsigned long state0 = 1000;
unsigned long state1 = 2000;
unsigned long rand(void)
{
unsigned long s1 = state0;
unsigned long s0 = state1;
state0 = s0;
s1 ^= s1 << 23;
s1 ^= s1 >> 17;
s1 ^= s0;
s1 ^= s0 >> 26;
state1 = s1;
return state0 + state1;
}
// ######## STUB FUNCTIONS ########
unsigned int kb = 0;
unsigned int kbhit(void) {
kb++;
return kb / 500;
}
void getch(void) {
wait_msec(0x500000);
kb = 0;
}
// ######## WGT EXAMPLES ########
void wgt41()
{
set_clock_rate(get_max_clock());
mem_init();
vga256 (); /* Initialize graphics mode */
char *message = malloc(15);
message[0] = 'H';
message[1] = 'e';
message[2] = 'l';
message[3] = 'l';
message[4] = 'o';
message[5] = ' ';
message[6] = 'w';
message[7] = 'o';
message[8] = 'r';
message[9] = 'l';
message[10] = 'd';
message[11] = '!';
message[12] = '\0';
wtextcolor (vgapal[15]);
wgtprintf (0, 0, NULL, "%s", message);
wgtprintf (0, 8, NULL, "String width : %i pixels", wgettextwidth (message, NULL));
wgtprintf (0, 16, NULL, "String height: %i pixels", wgettextheight (message, NULL));
wgtprintf(0, 32, NULL, "The color: %s", "blue");
wgtprintf(0, 40, NULL, "First number: %d", 12345);
wgtprintf(0, 48, NULL, "Second number: %04d", 25);
wgtprintf(0, 56, NULL, "Third number: %i", 1234);
wgtprintf(0, 64, NULL, "Hexadecimal: %x", 255);
wgtprintf(0, 72, NULL, "Octal: %o", 255);
wgtprintf(0, 80, NULL, "Unsigned value: %u", 150);
wgtprintf(0, 88, NULL, "Just print the percentage sign %%", 10);
free(message);
}
void main()
{
wgt41();
while (1);
}