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Mon 14 Oct 23:09:15 CEST 2024

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sbosse 2024-10-14 23:09:37 +02:00
parent 5fdeb9b812
commit 7e926621af
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user/clock.c Normal file
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/*
Copyright (C) 2016-2019 The University of Notre Dame
This software is distributed under the GNU General Public License.
See the file LICENSE for details.
*/
#include "library/syscalls.h"
#include "library/string.h"
#include "library/stdio.h"
#include "library/nwindow.h"
/*
Display time in a window
*/
void draw_clock( struct nwindow *nw, uint32_t hour, uint32_t minute, int timezone, int military, int x, int y, int padding, int r, int g, int b);
int main(int argc, char *argv[])
{
int timezone = 5;
int military = 0;
/* Get initial time */
struct rtc_time time;
syscall_system_rtc(&time);
/* Clock draw params */
int CLOCK_W = 55;
int CLOCK_H = 25;
int thickness = 4;
/* Set up window */
struct nwindow *nw = nw_create_default();
/* Run Clock */
while(nw_getchar(nw,0)!='q')
{
syscall_system_rtc(&time);
nw_clear(nw,0, 0, CLOCK_W, CLOCK_H);
draw_clock(nw,time.hour, time.minute, timezone, military, 0, 0, 2*thickness, 255, 255, 255);
syscall_process_sleep(2000);
}
return 0;
}
void draw_clock( struct nwindow *nw, uint32_t hour, uint32_t minute, int timezone, int military, int x, int y, int padding, int r, int g, int b)
{
char h_str[100];
char m_str[100];
char time[100] = "";
/* Configure time */
int tz_hour = (int)hour - timezone;
if (tz_hour < 0)
{
tz_hour += 24;
}
if (military == 0 && tz_hour > 12)
{
tz_hour -= 12;
}
uint_to_string((uint32_t) tz_hour, h_str);
uint_to_string(minute, m_str);
/* Format time string */
if (strlen(h_str) == 1)
{
strcat(time, " ");
}
strcat(time, (const char *) h_str);
strcat(time, ":");
if (strlen(m_str) == 1)
{
strcat(time, "0");
}
strcat(time, (const char *) m_str);
nw_fgcolor(nw,r,g,b);
nw_string(nw,x + padding, y + padding, time);
nw_flush(nw);
}