From 52f3a0ea9a7f4af188d37600f6b5264b6100bc09 Mon Sep 17 00:00:00 2001
From: David Lamparter <equinox@diac24.net>
Date: Wed, 20 Jun 2012 14:23:45 +0200
Subject: light: dali stats & loop revamp

---
 dali2.c     | 18 ++++++++++++------
 lightctrl.c | 24 +++++++++++++++---------
 2 files changed, 27 insertions(+), 15 deletions(-)

diff --git a/dali2.c b/dali2.c
index b0fbcc0..5a7d4f9 100644
--- a/dali2.c
+++ b/dali2.c
@@ -22,7 +22,13 @@ static volatile bool dali_rx_avail;
 static volatile uint16_t dali_tx;
 static volatile bool dali_tx_rq;
 
-static uint16_t dalistat_falsestart, dalistat_noise, dalistat_manchester, dalistat_rxok;
+struct dalistat {
+	uint16_t
+		rxok,
+		falsestart,
+		noise,
+		manchester;
+} dalistat;
 
 
 #undef DEBUG
@@ -105,7 +111,7 @@ ISR(TIMER0_COMPA_vect)
 
 	case DALI_RX_SBIT:
 		if (!hist_majority_0()) {
-			dalistat_falsestart++;
+			dalistat.falsestart++;
 			dali_state = rx_prevstate_errs;
 			return;
 		}
@@ -118,7 +124,7 @@ ISR(TIMER0_COMPA_vect)
 	case DALI_RX_DATA:
 		if (!(hist_majority_1() || hist_majority_0())) {
 			rx_prevstate_errs++;
-			dalistat_noise++;
+			dalistat.noise++;
 			bit = 0;
 		} else
 			bit = hist_majority_1();
@@ -126,7 +132,7 @@ ISR(TIMER0_COMPA_vect)
 		if (bitpos & 1) {
 			if (bit == (rx_data & 1)) {
 				rx_prevstate_errs++;
-				dalistat_manchester++;
+				dalistat.manchester++;
 			}
 		} else {
 			rx_data <<= 1;
@@ -139,7 +145,7 @@ ISR(TIMER0_COMPA_vect)
 			if (!rx_prevstate_errs) {
 				dali_rx = rx_data;
 				dali_rx_avail = 1;
-				dalistat_rxok++;
+				dalistat.rxok++;
 			}
 		}
 		break;
@@ -257,7 +263,7 @@ static void dali_init(void)
 	dali_tx_rq = 0;
 	dali_rx_avail = 0;
 
-	dalistat_falsestart = dalistat_noise = dalistat_manchester = dalistat_rxok = 0;
+	dalistat.falsestart = dalistat.noise = dalistat.manchester = dalistat.rxok = 0;
 
 	TIFR0  = (1 << OCF0A);
 	TCNT0 = 0;
diff --git a/lightctrl.c b/lightctrl.c
index 404ca33..5c70c90 100644
--- a/lightctrl.c
+++ b/lightctrl.c
@@ -67,7 +67,8 @@ int main(void)
 
 	dali_search();
 
-	uint8_t ctr = 0;
+	uint16_t ctr = 0;
+
 	while (1) {
 		if (canint) {
 			canint = false;
@@ -82,26 +83,31 @@ int main(void)
 		do_tick();
 
 		ctr++;
-		if (ctr % 64 == 0) {
+		switch (ctr) {
+		case 2048:
+			ctr = 0;
+			break;
+		case 512:
 			dali_send(0xffa0);
 			if (dali_rx_avail) {
 				uart_puts("ll ");
 				uart_puthex(dali_rx);
 				uart_puts("\n");
-				can_send(0xaa800000, 1, (uint8_t *)&dali_rx);
+				can_send(0xe608047f, 1, (uint8_t *)&dali_rx);
 			} else
 				uart_puts("ll noans\n");
-		}
+			break;
+		case 1024:
+			can_send(0xe7000000, 8, (uint8_t *)&dalistat);
 
-		if (ctr == 255) {
 			uart_puts("dali stats: ");
-			uart_puthex16(dalistat_rxok);
+			uart_puthex16(dalistat.rxok);
 			uart_puts(" ok  ");
-			uart_puthex16(dalistat_falsestart);
+			uart_puthex16(dalistat.falsestart);
 			uart_puts(" f-start  ");
-			uart_puthex16(dalistat_noise);
+			uart_puthex16(dalistat.noise);
 			uart_puts(" noise  ");
-			uart_puthex16(dalistat_manchester);
+			uart_puthex16(dalistat.manchester);
 			uart_puts(" mch-err\n");
 		}
 	}
-- 
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