lightctrl: use WDT

the CPU seems to get stuck for no apparent reason, right in the middle
of a line on the serial console... weird.  let's enable the WDT as a
temporary band-aid.

1 files changed, 8 insertions, 0 deletions

diff --git a/dali_ctl.c b/dali_ctl.c
index ed23ce1..b5eb66b 100644
--- a/dali_ctl.c
+++ b/dali_ctl.c
@@ -41,6 +41,8 @@ static void dali_search_byte(uint16_t cmd)
 	uint8_t bit = 0x80;
 
 	while (bit) {
+		wdt_reset();
+
 		dali_twice(cmd | (dali_s_byte & ~bit));
 		if (dali_compare()) {
 			_delay_ms(1);
@@ -92,6 +94,8 @@ static void dali_search(void)
 	do {
 		dali_search_single();
 		if (!dali_s_notfound) {
+			wdt_reset();
+
 			uart_puts("dali scan found\t\t");
 			uart_puthex(dali_sh);
 			uart_puthex(dali_sm);
@@ -130,10 +134,14 @@ static void dali_search(void)
 					dali_map[addr >> 3] |= 1 << (addr & 0x7);
 			} else
 				uart_puts(" error\n");
+
+			wdt_reset();
 			dali_send(DALI_C_WITHDRAW);
 		}
 	} while (!dali_s_notfound);
 
+	wdt_reset();
+
 	dali_twice(DALI_C_TERMINATE);
 	uart_puts("dali scan end\n");