OpenModem/hardware/LED.c

118 lines
2.5 KiB
C

#include "LED.h"
#include "util/time.h"
#include "util/Config.h"
bool LED_softblock_enabled = false;
//uint8_t ledIntensity = CONFIG_LED_INTENSITY;
ticks_t led_status_ticks_top = 0;
ticks_t led_status_ticks = 0;
ticks_t com_led_timeout = 0;
void LED_init(void) {
led_status_ticks_top = ms_to_ticks(CONFIG_LED_UPDATE_INTERVAL_MS);
// Enable output for LED pins and drain pin
LED_DDR |= _BV(0) | // RX
_BV(1) | // TX
_BV(2) | // Status
_BV(3) | // PWM drain
_BV(4); // COM
LED_PORT &= 0b11100000;
TCCR0A = _BV(WGM00) |
_BV(WGM01) |
_BV(COM0A1)|
_BV(COM0A0);
TCCR0B = _BV(CS00);
OCR0A = config_led_intensity;
}
void LED_softblock_on(void) {
LED_softblock_enabled = true;
}
void LED_softblock_off(void) {
LED_softblock_enabled = false;
}
void LED_setIntensity(uint8_t value) {
config_led_intensity = value;
OCR0A = config_led_intensity;
}
void LED_COM_ON(void) {
if (!LED_softblock_enabled) {
LED_PORT |= _BV(4);
com_led_timeout = timer_clock() + ms_to_ticks(CONFIG_COM_LED_TIMEOUT_MS);
}
}
void LED_COM_OFF(void) {
if (!LED_softblock_enabled) LED_PORT &= ~_BV(4);
}
void LED_F_COM_ON(void) {
LED_PORT |= _BV(4);
com_led_timeout = timer_clock() + ms_to_ticks(CONFIG_COM_LED_TIMEOUT_MS);
}
void LED_F_COM_OFF(void) {
LED_PORT &= ~_BV(4);
}
void update_led_status(void) {
if (led_status_ticks >= led_status_ticks_top) {
if (timer_clock() > com_led_timeout) {
LED_COM_OFF();
}
led_status_ticks = 0;
} else {
led_status_ticks++;
}
}
#define LED_DELAY_E_C_1 200
#define LED_DELAY_E_C_2 50
void LED_indicate_enabled_crypto(void) {
LED_softblock_on();
LED_F_STATUS_OFF();
LED_F_COM_OFF();
LED_F_TX_OFF();
LED_F_RX_OFF();
delay_ms(LED_DELAY_E_C_1);
for (uint8_t i = 0; i < 2; i++) {
LED_F_STATUS_ON();
delay_ms(LED_DELAY_E_C_2);
LED_F_STATUS_OFF();
LED_F_COM_ON();
delay_ms(LED_DELAY_E_C_2);
LED_F_COM_OFF();
LED_F_RX_ON();
delay_ms(LED_DELAY_E_C_2);
LED_F_RX_OFF();
LED_F_TX_ON();
delay_ms(LED_DELAY_E_C_2);
LED_F_TX_OFF();
delay_ms(LED_DELAY_E_C_2);
}
LED_F_STATUS_ON();
LED_softblock_off();
}
void LED_indicate_error_crypto(void) {
while (true) {
LED_COM_ON();
LED_STATUS_OFF();
delay_ms(500);
LED_COM_OFF();
LED_STATUS_ON();
delay_ms(500);
}
}