static void rtc_write(const uint16_t pio, const uint8_t byte) {
uint16_t index = pio & 0xFF;
uint8_t bit_offset = (index & 3) << 3;
switch (index) {
case 0x10:
rtc.alarmSec = byte;
break;
case 0x14:
rtc.alarmMin = byte;
break;
case 0x18:
rtc.alarmHour = byte;
break;
case 0x20:
rtc.control = byte;
if (rtc.control & 1) {
event_set(SCHED_RTC, 0);
} else {
event_clear(SCHED_RTC);
}
if (rtc.control & 64) { /* (Bit 6) -- Load time */
rtc.readSec = rtc.writeSec;
rtc.readMin = rtc.writeMin;
rtc.readHour = rtc.writeHour;
rtc.readDay = rtc.writeDay;
rtc.control &= ~64;
rtc.interrupt |= 32; /* Load operation complete */
intrpt_set(INT_RTC, (rtc.interrupt & rtc.control & 15) ? true : false);
}
if (!(rtc.control & 128)) {
hold_read();
}
break;
case 0x24:
rtc.writeSec = byte;
break;
case 0x28:
rtc.writeMin = byte;
break;
case 0x2C:
rtc.writeHour = byte;
break;
case 0x30: case 0x31:
write8(rtc.writeDay, bit_offset, byte);
break;
case 0x34:
rtc.interrupt &= ~byte;
intrpt_set(INT_RTC, (rtc.interrupt & rtc.control & 15) ? true : false);
break;
default:
break;
}
}
static void rtc_event(int index) {
/* Update exactly once a second */
event_repeat(index, 32768);
if (rtc.control & 1) { rtc.interrupt |= 1; }
rtc.readSec++;
if (rtc.readSec > 59) {
rtc.readSec = 0;
if (rtc.control & 2) {
rtc.interrupt |= 2;
intrpt_set(INT_RTC, true);
}
rtc.readMin++;
if (rtc.readMin > 59) {
rtc.readMin = 0;
if (rtc.control & 4) {
rtc.interrupt |= 4;
intrpt_set(INT_RTC, true);
}
rtc.readHour++;
if (rtc.readHour > 23) {
rtc.readHour = 0;
if (rtc.control & 8) {
rtc.interrupt |= 8;
intrpt_set(INT_RTC, true);
}
rtc.readDay++;
}
}
}
if ((rtc.control & 16) && (rtc.readSec == rtc.alarmSec) &&
(rtc.readMin == rtc.alarmMin) && (rtc.readHour == rtc.alarmHour)) {
rtc.interrupt |= 16;
intrpt_set(INT_RTC, true);
}
}
static void rtc_write(const uint16_t pio, const uint8_t byte, bool poke) {
uint16_t index = pio & 0xFF;
uint8_t bit_offset = (index & 3) << 3;
(void)poke;
switch (index) {
case 0x10:
rtc.alarmSec = byte;
break;
case 0x14:
rtc.alarmMin = byte;
break;
case 0x18:
rtc.alarmHour = byte;
break;
case 0x20:
rtc.control = byte;
if (rtc.control & 1) {
sched_set(SCHED_RTC, 0);
} else {
sched_clear(SCHED_RTC);
}
if (!(rtc.control & 128)) {
hold_read();
}
break;
case 0x24:
rtc.writeSec = byte;
break;
case 0x28:
rtc.writeMin = byte;
break;
case 0x2C:
rtc.writeHour = byte;
break;
case 0x30: case 0x31:
write8(rtc.writeDay, bit_offset, byte);
break;
case 0x34:
rtc.interrupt &= ~byte;
intrpt_set(INT_RTC, rtc.interrupt & rtc.control & 15);
break;
default:
break;
}
}
void keypad_key_event(unsigned int row, unsigned int col, bool press) {
if (row == 2 && col == 0) {
intrpt_set(INT_ON, press);
if (press && control.ports[0] & 0x40) {
control.readBatteryStatus = ~1;
intrpt_pulse(19);
}
} else {
if (press) {
keypad.key_map[row] |= 1 << col;
if (keypad.mode == 1) {
keypad.status |= 4;
keypad_intrpt_check();
}
} else {
keypad.key_map[row] &= ~(1 << col);
}
}
}
static void rtc_event(enum sched_item_id id) {
/* Update exactly once a second */
sched_repeat(id, 1);
if (rtc.control & 64) { /* (Bit 6) -- Load time */
rtc.readSec = rtc.writeSec;
rtc.readMin = rtc.writeMin;
rtc.readHour = rtc.writeHour;
rtc.readDay = rtc.writeDay;
rtc.control &= ~64;
rtc.interrupt |= 32; /* Load operation complete */
intrpt_set(INT_RTC, true);
}
rtc.readSec++;
if (rtc.control & 2) {
rtc.interrupt |= 1;
intrpt_set(INT_RTC, true);
}
if (rtc.readSec > 59) {
rtc.readSec = 0;
if (rtc.control & 4) {
rtc.interrupt |= 2;
intrpt_set(INT_RTC, true);
}
rtc.readMin++;
if (rtc.readMin > 59) {
rtc.readMin = 0;
if (rtc.control & 8) {
rtc.interrupt |= 4;
intrpt_set(INT_RTC, true);
}
rtc.readHour++;
if (rtc.readHour > 23) {
rtc.readHour = 0;
if (rtc.control & 16) {
rtc.interrupt |= 8;
intrpt_set(INT_RTC, true);
}
rtc.readDay++;
}
}
}
if ((rtc.control & 32) && (rtc.readSec == rtc.alarmSec) &&
(rtc.readMin == rtc.alarmMin) && (rtc.readHour == rtc.alarmHour)) {
rtc.interrupt |= 16;
intrpt_set(INT_RTC, true);
}
}
void EMSCRIPTEN_KEEPALIVE keypad_key_event(unsigned int row, unsigned int col, bool press) {
if (row == 2 && col == 0) {
intrpt_set(INT_ON, press);
if (press && calc_is_off()) {
asic.ship_mode_enabled = false;
control.readBatteryStatus = ~1;
intrpt_pulse(19);
}
} else {
if (press) {
keypad.key_map[row] |= 1 << col;
if (keypad.mode == 1) {
keypad.status |= 4;
keypad_intrpt_check();
}
} else {
keypad.data[row] = keypad.key_map[row] &= ~(1 << col);
keypad.status |= 2;
keypad_intrpt_check();
}
}
}
void keypad_intrpt_check() {
intrpt_set(INT_KEYPAD, (keypad.status & keypad.enable) | (keypad.gpio_status & keypad.gpio_enable));
}
void intrpt_pulse(uint32_t int_num) {
intrpt_set(int_num, true);
intrpt_set(int_num, false);
}
