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#include "ultra64/leo.h"
#include "ultra64/leoappli.h"
#include "ultra64/leodrive.h"
#include "attributes.h"
#include "ultra64.h"
typedef struct {
/* 0x0 */ u8 year;
/* 0x1 */ u8 month;
/* 0x2 */ u8 day;
/* 0x3 */ u8 hour;
/* 0x4 */ u8 minute;
/* 0x5 */ u8 second;
} __LOCTime;
u8 __locReadTimer(__LOCTime* time);
u8 __locSetTimer(__LOCTime* time);
static const u8 ymdupper[6] = { 99, 12, 31, 23, 59, 59 };
static const u8 dayupper[13] = { 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
void leoReadTimer(void) {
u8* rdparam;
u8 data[4];
u8 sense_code;
__LOCTime time;
sense_code = __locReadTimer(&time);
LEOcur_command->data.time.yearlo = time.year;
LEOcur_command->data.time.month = time.month;
LEOcur_command->data.time.day = time.day;
LEOcur_command->data.time.hour = time.hour;
LEOcur_command->data.time.minute = time.minute;
LEOcur_command->data.time.second = time.second;
if (sense_code != 0) {
LEOcur_command->header.sense = sense_code;
LEOcur_command->header.status = LEO_STATUS_CHECK_CONDITION;
return;
}
if ((u8)LEOcur_command->data.time.yearlo >= 0x96U) {
LEOcur_command->data.time.yearhi = 0x19;
} else {
LEOcur_command->data.time.yearhi = 0x20;
}
LEOcur_command->header.status = 0;
}
void leoSetTimer(void) {
LEOCmdReadTimer rd_timer;
u8* p_tmp = &LEOcur_command->data.time.yearlo;
u32 year;
u32 month;
u32 temp;
u32 ymd;
u8 result;
__LOCTime time;
// Verify values (if they're correct BCD or within limits)
for (ymd = 0; ymd < 6; ymd++) {
temp = *p_tmp;
// Verify right nibble (only right nibble for some reason)
if ((temp & 0xF) > 9) {
// nibble is above 0x9 therefore the BCD value is invalid
LEOcur_command->header.sense = LEO_SENSE_ILLEGAL_TIMER_VALUE;
LEOcur_command->header.status = LEO_STATUS_CHECK_CONDITION;
return;
}
// Convert BCD value to binary value
temp = temp - ((temp >> 4) * 6);
switch (ymd) {
case 2:
// Day value check
if (dayupper[month] < temp && (temp != 0x1D || (year & 3))) {
LEOcur_command->header.sense = LEO_SENSE_ILLEGAL_TIMER_VALUE;
LEOcur_command->header.status = LEO_STATUS_CHECK_CONDITION;
return;
}
FALLTHROUGH;
case 1:
// Month value cannot be 0
if (temp == 0) {
LEOcur_command->header.sense = LEO_SENSE_ILLEGAL_TIMER_VALUE;
LEOcur_command->header.status = LEO_STATUS_CHECK_CONDITION;
return;
}
FALLTHROUGH;
default:
// Verify max value of each time info
if (ymdupper[ymd] < temp) {
LEOcur_command->header.sense = LEO_SENSE_ILLEGAL_TIMER_VALUE;
LEOcur_command->header.status = LEO_STATUS_CHECK_CONDITION;
return;
}
}
year = month;
month = temp;
p_tmp++;
}
// Every value has been ymd good, now set the values in hardware
// Prepare the time info to use
time.year = LEOcur_command->data.time.yearlo;
time.month = LEOcur_command->data.time.month;
time.day = LEOcur_command->data.time.day;
time.hour = LEOcur_command->data.time.hour;
time.minute = LEOcur_command->data.time.minute;
time.second = LEOcur_command->data.time.second;
// Set the new time
result = __locSetTimer(&time);
if (result != 0) {
LEOcur_command->header.sense = result;
LEOcur_command->header.status = LEO_STATUS_CHECK_CONDITION;
return;
}
// Get the time
result = __locReadTimer(&time);
if (result != 0) {
LEOcur_command->header.sense = result;
LEOcur_command->header.status = LEO_STATUS_CHECK_CONDITION;
return;
}
// Check if the time is set correctly
if (time.year != LEOcur_command->data.time.yearlo || time.month != LEOcur_command->data.time.month ||
time.day != LEOcur_command->data.time.day || time.hour != LEOcur_command->data.time.hour ||
time.minute != LEOcur_command->data.time.minute || time.second != LEOcur_command->data.time.second) {
LEOcur_command->header.sense = LEO_SENSE_ILLEGAL_TIMER_VALUE;
LEOcur_command->header.status = LEO_STATUS_CHECK_CONDITION;
return;
}
LEOcur_command->header.status = LEO_STATUS_GOOD;
}
// static
u8 __locReadTimer(__LOCTime* time) {
u32 data;
u8 sense_code;
sense_code = leoSend_asic_cmd_w_nochkDiskChange(0x140000, 0U);
if (sense_code != 0) {
return sense_code;
}
osEPiReadIo(LEOPiInfo, ASIC_DATA, &data);
time->minute = (u8)((u32)(data & 0xFF000000) >> 0x18);
time->second = (s8)((u32)(data & 0xFF0000) >> 0x10);
sense_code = leoSend_asic_cmd_w_nochkDiskChange(0x130000, 0U);
if (sense_code != 0) {
time->minute = (u8)(time->minute & 0xFF7F);
return sense_code;
}
osEPiReadIo(LEOPiInfo, ASIC_DATA, &data);
time->day = (s8)((u32)(data & 0xFF000000) >> 0x18);
time->hour = (s8)((u32)(data & 0xFF0000) >> 0x10);
sense_code = leoSend_asic_cmd_w_nochkDiskChange(0x120000, 0U);
if (sense_code != 0) {
time->minute = (u8)(time->minute & 0xFF7F);
return sense_code;
}
osEPiReadIo(LEOPiInfo, ASIC_DATA, &data);
sense_code = time->minute;
time->year = (s8)((u32)(data & 0xFF000000) >> 0x18);
time->month = (s8)((u32)(data & 0xFF0000) >> 0x10);
if (sense_code & 0x80) {
time->minute = (u8)(sense_code & 0xFF7F);
return 5;
}
return 0;
}
// static
u8 __locSetTimer(__LOCTime* time) {
u32 YearMonthX10000h;
u32 DayHourX10000h;
u32 MinuteSecondX10000h;
u8 result;
YearMonthX10000h = (time->year << 0x18) + (time->month << 0x10);
DayHourX10000h = (time->day << 0x18) + (time->hour << 0x10);
MinuteSecondX10000h = (time->minute << 0x18) + (time->second << 0x10);
if ((result = leoSend_asic_cmd_w_nochkDiskChange(0xF0000, YearMonthX10000h)) != 0 ||
(result = leoSend_asic_cmd_w_nochkDiskChange(0x100000, DayHourX10000h)) != 0 ||
(result = leoSend_asic_cmd_w_nochkDiskChange(0x110000, MinuteSecondX10000h)) != 0) {
return result;
}
return 0;
}
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