From: Martin Mares <mj@ucw.cz>
Date: Fri, 14 Jul 2023 15:42:27 +0000 (+0200)
Subject: test-sinclair: Debugging RC
X-Git-Url: http://mj.ucw.cz/gitweb/?a=commitdiff_plain;h=5b48fbfc8c5d7e6cb7de640286c839b5e60300e9;p=home-hw.git

test-sinclair: Debugging RC
---

diff --git a/test-sinclair/main.c b/test-sinclair/main.c
index 7cfe1b4..5e90ecf 100644
--- a/test-sinclair/main.c
+++ b/test-sinclair/main.c
@@ -370,9 +370,9 @@ enum rc_mode {
 	MODE_DEHUMIDIFY,
 };
 
-static byte rc_mode;		// MODE_xxx
-static byte rc_fan;		// 0-3
-static byte rc_temp;		// 17-30
+static byte rc_mode = MODE_COOL;	// MODE_xxx
+static byte rc_fan;			// 0-3
+static byte rc_temp = 17;		// 17-30
 
 static void rc_init(void)
 {
@@ -424,7 +424,7 @@ void tim4_isr(void)
 		bool val;	// 1=pulse, 0=break
 		uint duration;	// in μs
 
-		switch (rc_tick++) {
+		switch (rc_tick) {
 			case 0:
 				// Better be safe
 				return;
@@ -433,11 +433,13 @@ void tim4_isr(void)
 				// Initial / final marker
 				val = 0;
 				duration = 3600;
+				// debug_putc('#');
 				break;
 			case 110:
 				// Inter-packet gap
 				val = 0;
 				duration = 10000;
+				// debug_putc('$');
 				break;
 			case 111:
 				// End of message
@@ -447,17 +449,23 @@ void tim4_isr(void)
 				if (rc_tick % 2) {
 					val = 1;
 					duration = 565;
+					// debug_putc('*');
 				} else {
 					// Even ticks 4 to 106 transmit 52 bits of data
 					uint i = 12 + (rc_tick - 4) / 2;
 					val = 0;
-					if (rc_pattern[i>>5] & (1 << (i & 31)))
+					if (rc_pattern[i>>5] & (0x80000000 >> (i & 31))) {
 						duration = 1471;
-					else
+						// debug_putc('B');
+					} else {
 						duration = 480;
+						// debug_putc('A');
+					}
 				}
 		}
 
+		rc_tick++;
+
 		if (val)
 			gpio_set(GPIOA, GPIO8);
 		else
@@ -475,7 +483,9 @@ static void rc_send(void)
 		return;
 
 	rc_encode();
-	debug_printf("RC sending: %05x %08x\n", (uint) rc_pattern[0], (uint) rc_pattern[1]);
+	debug_printf("RC sending: %05x %08x (mode=%d, fan=%d, temp=%d)\n",
+		(uint) rc_pattern[0], (uint) rc_pattern[1],
+		rc_mode, rc_fan, rc_temp);
 	rc_tick = 1;
 
 	timer_set_period(TIM4, 1);