lightctrl_v2: refresh every 30 sec

1 files changed, 22 insertions, 0 deletions

diff --git a/lightctrl_v2.c b/lightctrl_v2.c
index 5d90850..22dc0b2 100644
--- a/lightctrl_v2.c
+++ b/lightctrl_v2.c
@@ -85,6 +85,8 @@ static void target_set(uint8_t dst, uint8_t val);
 #define target_present(addr)		devices[addr].present
 #define target_set_present(addr)	devices[addr].present = 1
 
+#define REFRESH_TIMER	30	/* seconds */
+
 #include "uart.c"
 #include "tick.c"
 #include "dali2.c"
@@ -113,9 +115,14 @@ static void target_set(uint8_t dst, uint8_t val)
 	devices[dst].set = val;
 }
 
+static uint8_t refresh_timer = 0;
+
 /* irqonly */
 static void systick_user_1hz(void)
 {
+	if (global_state == G_BOOTING)
+		return;
+
 	for (uint8_t i = 0; i < DALI_NUMDEV; i++) {
 		if (!devices[i].cooldown)
 			continue;
@@ -125,6 +132,20 @@ static void systick_user_1hz(void)
 			devices[i].need_poweron = NEED_POWERON;
 		}
 	}
+	if (refresh_timer)
+		refresh_timer--;
+	else {
+		uart_puts("periodic DALI refresh triggered\n");
+		for (uint8_t i = 0; i < DALI_NUMDEV; i++) {
+			if (!target_present(i))
+				continue;
+			if (devices[i].set)
+				devices[i].need_set |= 1;
+			else
+				devices[i].need_poweroff |= 1;
+		}
+		refresh_timer = REFRESH_TIMER;
+	}
 }
 
 /* irqonly */
@@ -501,6 +522,7 @@ int main(void)
 	DDRD |= (1 << D_LED1) | (1 << D_LED2 ) | (1 << D_TXD) | (1 << D_DALIO);
 	PORTD |= (1 << D_LED1) | (1 << D_TAST);
 	PORTD &= ~(1 << D_LED1);
+	refresh_timer = REFRESH_TIMER;
 
 	uart_init();
 	tick_init();