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mirror of synced 2026-09-08 06:30:07 +02:00
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add documentation

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This commit is contained in:
Vidister 2017-07-04 23:35:34 +02:00
commit fa146e1fe1
1 changed files with 25 additions and 22 deletions
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47
main.c
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@ -5,16 +5,16 @@
#include <avr/interrupt.h>
#include <string.h>
#define HZ 15625ULL
#define TIMEOUT_SEC 4
#define MIN_PULSE_WIDTH_MS 25
#define RING_DURATION_SEC 20 // Time the lamp lights up
#define OPEN_DURATION_SEC 4 // Door open duration
#define HZ 15625ULL // Frequency
#define TIMEOUT_SEC 4 // time after clicking once till the lamp/bell goes on
#define MIN_PULSE_WIDTH_MS 25 // Time the button needs to be pressed till in ms
#define RING_DURATION_SEC 20 // Time the lamp lights up in sec
#define OPEN_DURATION_SEC 4 // Door open duration in sec
#define THURSDAY_TIMEOUT_MIN 420UL // Minutes till Thursday is disabled
#define THURSDAY_OPEN_DELAY 750UL // Time till the door is opened when the doorbell is pressed
#define PRESSED_MIN_MS 50UL
#define RELEASED_MIN_MS 50UL
#define PRESSED_MIN_MS 50UL // Time slots between Code Input
#define RELEASED_MIN_MS 50UL // Time slots between Code Input
static uint8_t global_thursday_mode = 0;
static uint16_t global_thursday_timectr_sec = 0;
@ -56,7 +56,7 @@ void open(void) {
PORTC &= ~0x02; /* Opener relay */
}
uint8_t handle_open_button(void) {
uint8_t handle_open_button(void) { // Open when the Open-Button is pressed
if (PINC&0x20)
return 0;
tx_str(PSTR("OPEN Manual open\r\n"));
@ -64,7 +64,7 @@ uint8_t handle_open_button(void) {
return 1;
}
void ring(void) {
void ring(void) { // RING RING RING RING!!!
tx_str(PSTR("RING Ringing\r\n"));
PORTB |= 0x20;
PORTC |= 0x04;
@ -74,18 +74,18 @@ void ring(void) {
PORTC &= ~0x04;
}
void code(void) {
void code(void) { // Open the door when the button was pressed x times
tx_str(PSTR("CODE Code access granted\r\n"));
open();
}
void set_thursday_mode(uint8_t mode) {
void set_thursday_mode(uint8_t mode) { // Toggle the thursday mode (/Enable till it is disabled or timeout is reached)
global_thursday_mode = mode;
global_thursday_timectr_sec = 0;
tx_str(mode ? PSTR("THU1 Thursday mode set to on\r\n") : PSTR("THU0 Thursday mode set to off\r\n"));
if (mode)
if (mode) // toggle
PORTC |= 0x10;
else
PORTC &= ~0x10;
@ -123,6 +123,8 @@ int main(void) {
* A4/PC4 OUT thursday mode signal
*/
/* use 115200Bd */
// Initialize
UBRR0H = 0;
UBRR0L = 16;
UCSR0A = (1<<U2X0);
@ -144,20 +146,21 @@ int main(void) {
_delay_ms(500);
tx_help();
tx_str(PSTR("BOOT Device booted.\r\n"));
// Device initilized.
uint16_t pattern[7];
uint8_t pidx = 0;
uint16_t pattern[7]; // times the button has to be pressed to open the door (don't change when you don't know what you do)
uint8_t pidx = 0;
uint8_t thursday_toggle_timeout = 0;
uint8_t codefail = 0;
for (;;) {
for (;;) { // Main loop
handle_open_button();
if (!(PINC&0x08) && !thursday_toggle_timeout) { /* Thursday button */
if (!(PINC&0x08) && !thursday_toggle_timeout) { /* Is the Thursday button pressed? */
set_thursday_mode(!global_thursday_mode);
thursday_toggle_timeout = 1;
TCNT1 = 0;
}
if (TCNT1 > TIMEOUT_SEC*HZ) { /* Doorbell button timeout */
if (pidx != 0 || codefail)
if (TCNT1 > TIMEOUT_SEC*HZ) { /* Thursday Button Timeout (Disables Thursday after X hours */
if (pidx != 0 || codefail)
ring();
pidx = 0;
codefail = 0;
@ -165,17 +168,17 @@ int main(void) {
TCNT1 = 0;
global_thursday_timectr_sec += TIMEOUT_SEC;
if (global_thursday_timectr_sec >= THURSDAY_TIMEOUT_MIN*60UL) {
if (global_thursday_timectr_sec >= THURSDAY_TIMEOUT_MIN*60UL) { // Check if timeout is reached
tx_str(PSTR("TOUT Thursday mode timeout\r\n"));
set_thursday_mode(0);
}
} else {
} else { // When no control button on the front of the door-system is pressed
uint8_t st = PINC&1;
if (global_thursday_mode && !st) {
if (global_thursday_mode && !st) { // Open if thursday
tx_str(PSTR("THUA Thursday mode auto open\r\n"));
_delay_ms(THURSDAY_OPEN_DELAY);
open();
} else if (st == (pidx&1)) {
} else if (st == (pidx&1)) { // Doorcode
uint16_t val = TCNT1;
if (val > HZ*MIN_PULSE_WIDTH_MS/1000ULL) {
pattern[pidx++] = val;