From 9316ef363fd6e262d60f2f4102180ccf0049f94a Mon Sep 17 00:00:00 2001
From: Wolfgang Hottgenroth <wolfgang@hottgenroth.net>
Date: Sat, 15 Oct 2016 11:27:32 +0200
Subject: [PATCH] strange thing when write pulseWidths array

---
 src/inverter.c | 30 +++++++++++++++++++++++++++++-
 1 file changed, 29 insertions(+), 1 deletion(-)

diff --git a/src/inverter.c b/src/inverter.c
index ec7a964..8caa598 100644
--- a/src/inverter.c
+++ b/src/inverter.c
@@ -14,6 +14,33 @@
 
 #include "inverter.h"
 
+#if 1
+#define NUM_OF_SINE_VALUES 21
+
+float sineValues[NUM_OF_SINE_VALUES] = {
+		0.1490,
+		0.2948,
+		0.4339,
+		0.5633,
+		0.6802,
+		0.7818,
+		0.8660,
+		0.9309,
+		0.9749,
+		0.9972,
+		0.9972,
+		0.9749,
+		0.9309,
+		0.8660,
+		0.7818,
+		0.6802,
+		0.5633,
+		0.4339,
+		0.2948,
+		0.1490,
+		0.0000
+};
+#else
 #define NUM_OF_SINE_VALUES 20
 
 float sineValues[NUM_OF_SINE_VALUES] = {
@@ -38,6 +65,7 @@ float sineValues[NUM_OF_SINE_VALUES] = {
 		0.1564,
 		0.0000
 };
+#endif
 
 volatile uint16_t pulseWidths[NUM_OF_SINE_VALUES * 2];
 volatile uint8_t pulseWidthIdx = 0;
@@ -50,7 +78,7 @@ ISR(TIMER0_A0, TA0_ISR_Ovrfl) {
 	}
 
 	uint16_t pw = pulseWidths[pulseWidthIdx + activeOffset];
-	if (pw != 0) {
+	if (pulseWidthIdx != (NUM_OF_SINE_VALUES - 1)) {
 		TA0CCR1 = pw;
 		P2OUT |= BIT1;
 	}