wn/inverter0ctrl
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it works now

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This commit is contained in:
Wolfgang Hottgenroth 2016-10-15 21:34:21 +02:00
parent 25ba5312af
commit 9b91ba3b06
1 changed files with 26 additions and 6 deletions
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32
src/inverterCtrl.c
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@ -19,10 +19,14 @@
volatile uint8_t pulseWidthIdx = 0; volatile uint8_t pulseWidthIdx = 0;
volatile bool direction = false; volatile bool direction = true;
volatile uint32_t tick;
ISR(TIMER1_A0, TA1_ISR_Ovrfl) { ISR(TIMER1_A0, TA1_ISR_Ovrfl) {
tick++;
if (direction) { if (direction) {
if (pulseWidthIdx == 0) { if (pulseWidthIdx == 0) {
P2OUT |= BIT3; P2OUT |= BIT3;
@ -55,10 +59,10 @@ ISR(TIMER1_A0, TA1_ISR_Ovrfl) {
void inverterCtrlInit() { void inverterCtrlInit() {
// start, stop // reset, start, stop
P2SEL &= ~(BIT3 | BIT4 | BIT5); P2SEL &= ~(BIT2 | BIT3 | BIT4 | BIT5);
P2OUT &= ~(BIT3 | BIT4 | BIT5); P2OUT &= ~(BIT2 | BIT3 | BIT4 | BIT5);
P2DIR |= BIT3 | BIT4 | BIT5; P2DIR |= BIT2 | BIT3 | BIT4 | BIT5;
// start mark // start mark
P2OUT &= ~BIT0; P2OUT &= ~BIT0;
@ -70,13 +74,29 @@ void inverterCtrlInit() {
P1SEL |= BIT4; P1SEL |= BIT4;
TA1CTL = MC_1 | ID_0 | TASSEL_2 | TACLR; tick = 0;
TA1CTL = MC_0;
TA1CCTL0 = CCIE | OUTMOD_4; TA1CCTL0 = CCIE | OUTMOD_4;
TA1CCR0 = 0; TA1CCR0 = 0;
P2OUT &= ~BIT2;
volatile uint32_t w;
for (w = 0; w < 100000; w++);
// remove reset from PWNs
P2OUT |= BIT2;
for (w = 0; w < 100000; w++);
TA1CTL = MC_1 | ID_0 | TASSEL_2 | TACLR;
} }
void inverterCtrlSetFrequency(uint16_t f) { void inverterCtrlSetFrequency(uint16_t f) {
float ff = (float)f; float ff = (float)f;
float slotLength = 4 / (ff * 400e-9 * NUM_OF_SINE_VALUES); float slotLength = 4 / (ff * 400e-9 * NUM_OF_SINE_VALUES);