wn/inverter0
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

strange thing when write pulseWidths array

Browse Source
This commit is contained in:
Wolfgang Hottgenroth
2016-10-15 11:27:32 +02:00
parent 5e982f8926
commit 9316ef363f
1 changed files with 29 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

30
src/inverter.c
View File

@ -14,6 +14,33 @@
#include "inverter.h" #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 #define NUM_OF_SINE_VALUES 20
float sineValues[NUM_OF_SINE_VALUES] = { float sineValues[NUM_OF_SINE_VALUES] = {
@ -38,6 +65,7 @@ float sineValues[NUM_OF_SINE_VALUES] = {
0.1564, 0.1564,
0.0000 0.0000
}; };
#endif
volatile uint16_t pulseWidths[NUM_OF_SINE_VALUES * 2]; volatile uint16_t pulseWidths[NUM_OF_SINE_VALUES * 2];
volatile uint8_t pulseWidthIdx = 0; volatile uint8_t pulseWidthIdx = 0;
@ -50,7 +78,7 @@ ISR(TIMER0_A0, TA0_ISR_Ovrfl) {
} }
uint16_t pw = pulseWidths[pulseWidthIdx + activeOffset]; uint16_t pw = pulseWidths[pulseWidthIdx + activeOffset];
if (pw != 0) { if (pulseWidthIdx != (NUM_OF_SINE_VALUES - 1)) {
TA0CCR1 = pw; TA0CCR1 = pw;
P2OUT |= BIT1; P2OUT |= BIT1;
} }