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

working a bit better

Browse Source
This commit is contained in:
Wolfgang Hottgenroth 2016-09-22 08:11:08 +02:00
parent 4dea7fe895
commit a2020fb38c
4 changed files with 21 additions and 27 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

BIN
doc/inverter0_2016-09-22_1.png Normal file
View File

Binary file not shown.
Side by Side

After

Width:  |  Height:  |  Size: 9.5 KiB

BIN
doc/inverter0_2016-09-22_2.png Normal file
View File

Binary file not shown.
Side by Side

After

Width:  |  Height:  |  Size: 9.2 KiB

46
src/inverter.c
View File

@ -28,37 +28,34 @@ float sineValues[NUM_OF_SINE_VALUES] = {
0.0000,
};
volatile uint16_t pulseWidths[NUM_OF_SINE_VALUES * 2] = { 0,50,0,50,0,50,0,50,0,50,0,0,0,0,0,0,0,0,0,0 };
volatile uint16_t pulseWidths[NUM_OF_SINE_VALUES * 2] = { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 };
volatile uint8_t pulseWidthIdx = 0;
volatile uint8_t activeOffset = 0;
volatile uint16_t uiSlotLength = 2040;
ISR(TIMER1_A0, TA1_ISR_Ovrfl) {
static uint16_t myUiSlotLength = 0;
if (myUiSlotLength != uiSlotLength) {
TA1CCR0 = uiSlotLength;
myUiSlotLength = uiSlotLength;
}
static uint8_t idx = 0;
if (idx == 0) {
if (pulseWidthIdx == 0) {
P1OUT ^= BIT1;
}
TA1CCR1 = pulseWidths[idx + activeOffset];
uint16_t pw = pulseWidths[pulseWidthIdx + activeOffset];
if (pw != 0) {
TA1CCR1 = pw;
P2OUT |= BIT1;
}
idx++;
if (idx >= NUM_OF_SINE_VALUES) {
idx = 0;
pulseWidthIdx++;
if (pulseWidthIdx >= NUM_OF_SINE_VALUES) {
pulseWidthIdx = 0;
}
}
//ISR(TIMER1_A1, TA1_ISR_Comp) {
//
//}
ISR(TIMER1_A1, TA1_ISR_Comp) {
if (TA1IV & TA1IV_TACCR1) {
P2OUT &= ~BIT1;
}
}
@ -68,19 +65,15 @@ void inverterInit() {
P2OUT &= ~BIT1;
P2DIR |= BIT1;
P2SEL |= BIT1;
P2OUT &= ~BIT0;
P2DIR |= BIT0;
P2SEL |= BIT0;
TA1CTL = MC_1 | ID_1 | TASSEL_2 | TACLR;
TA1CCTL0 = CCIE | OUTMOD_4;
TA1CCTL1 = OUTMOD_7;
TA1CCR0 = 5000;
TA1CCTL1 = CCIE;
TA1CCR0 = 0;
TA1CCR1 = 0;
}
@ -95,6 +88,7 @@ void inverterSetFrequency(uint16_t f) {
__disable_interrupt();
activeOffset = currentOffset;
uiSlotLength = (uint16_t)slotLength;
TA1CCR0 = (uint16_t)slotLength;
pulseWidthIdx = 0;
__enable_interrupt();
}

2
src/main.c
View File

@ -30,7 +30,7 @@ int main() {
__enable_interrupt();
//inverterSetFrequency(100);
inverterSetFrequency(100);
while (1) {
}