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#include "../drivers/uart.h"
#include "../graphics/drawer.h"
#include "../sys/core.h"
#include "../sys/timer.h"
#include "../util/mutex.h"
#include "../util/time.h"
/// Cycles Per Second
#define CPS 10
#define SYS_TIMER_C
extern char* os_info_v;
unsigned long exe_cnt = 0;
struct Mutex exe_cnt_m = {.addr = &exe_cnt, .pid = NULL_PID};
void c_timer(void)
{
// Reset the counter
write_cntv_tval(cntfrq/CPS);
unsigned int x = g_Drawer.x;
unsigned int y = g_Drawer.y;
g_Drawer.x = 0;
g_Drawer.y = 0;
// Lock the execution counter
if (lock_mutex(&exe_cnt_m, SCHED_PID) == 0) {
*(exe_cnt_m.addr) += 1;
write_cstring(&g_Drawer, "DendritOS", 0xFF0000);
write_cstring(&g_Drawer, " v", 0x00FFFF);
write_cstring(&g_Drawer, os_info_v, 0x00FFFF);
write_string(&g_Drawer, " #");
write_10(&g_Drawer, *(exe_cnt_m.addr));
release_mutex(&exe_cnt_m, SCHED_PID);
}
g_Drawer.x = 29;
g_Drawer.y = 5;
// Output the value
unsigned long v = read_cntv_tval();
write_10(&g_Drawer, v);
write_string(&g_Drawer, " | ");
write_hex32(&g_Drawer, v);
g_Drawer.x = 0;
g_Drawer.y = 9;
for(int i = 0; i < 128; i++)
write_char(&g_Drawer, ' ');
g_Drawer.x = 0;
g_Drawer.y = 9;
write_string(&g_Drawer, "Timer Counter: ");
if (exe_cnt_m.pid == NULL_PID) {
write_cstring(&g_Drawer, "Free!", 0xFF00FF);
} else {
write_cstring(&g_Drawer, "Locked by ", 0xFF00FF);
if (exe_cnt_m.pid == SYS_PID)
write_cstring(&g_Drawer, "System", 0xFF00FF);
else if (exe_cnt_m.pid == SCHED_PID)
write_cstring(&g_Drawer, "Scheduler", 0xFF00FF);
else {
write_cstring(&g_Drawer, "Process ", 0xFF00FF);
write_c10(&g_Drawer, exe_cnt_m.pid, 0xFF00FF);
}
write_cchar(&g_Drawer, '!', 0xFF00FF);
}
g_Drawer.x = x;
g_Drawer.y = y;
}
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