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start/stop running

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This commit is contained in:
Wolfgang Hottgenroth 2016-10-01 17:28:32 +02:00
parent a50a5e2f00
commit 5e982f8926
3 changed files with 23 additions and 14 deletions
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35
src/inverter.c
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@ -8,6 +8,7 @@
#include <stdint.h> #include <stdint.h>
#include <stdlib.h> #include <stdlib.h>
#include <stdbool.h>
#include <msp430g2452.h> #include <msp430g2452.h>
#include <isr_compat.h> #include <isr_compat.h>
@ -71,25 +72,30 @@ ISR(TIMER0_A1, TA0_ISR_Comp) {
__enable_interrupt(); __enable_interrupt();
} }
ISR(PORT1, PORT1_ISR) { void inverterExec() {
uint16_t p1Ifg = P1IFG; static bool running = false;
if (p1Ifg & BIT3) {
// start if (P1IN & BIT3) {
pulseWidthIdx = 0; if (! running) {
TA0CTL = MC_1 | ID_0 | TASSEL_0 | TACLR; // start
} else if (p1Ifg & BIT4) { pulseWidthIdx = 0;
// stop TA0CTL = MC_1 | ID_0 | TASSEL_0 | TACLR;
TA0CTL = MC_0; running = true;
}
} else {
if (running) {
// stop
TA0CTL = MC_0;
running = false;
}
} }
} }
void inverterInit() { void inverterInit() {
// start, stop // start, stop
// BIT3: start, BIT4: stop // BIT3: start, BIT4: stop
// P1OUT &= (BIT3 | BIT4); P1OUT &= (BIT3 | BIT4);
// P1DIR &= (BIT3 | BIT4); P1DIR &= (BIT3 | BIT4);
// P1IES = BIT3;
// P1IE |= BIT3 | BIT4;
// bridge direction // bridge direction
P1OUT &= ~BIT2; P1OUT &= ~BIT2;
@ -110,7 +116,8 @@ void inverterInit() {
P1DIR &= ~BIT0; P1DIR &= ~BIT0;
P1SEL |= BIT0; P1SEL |= BIT0;
TA0CTL = TA0CTL = MC_1 | ID_0 | TASSEL_0 | TACLR; //TA0CTL = MC_1 | ID_0 | TASSEL_0 | TACLR;
TA0CTL = MC_0;
TA0CCTL0 = CCIE | OUTMOD_4; TA0CCTL0 = CCIE | OUTMOD_4;
TA0CCTL1 = CCIE; TA0CCTL1 = CCIE;

1
src/inverter.h
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@ -11,6 +11,7 @@
#include <stdint.h> #include <stdint.h>
void inverterInit(); void inverterInit();
void inverterExec();
void inverterSetFrequency(uint16_t f); void inverterSetFrequency(uint16_t f);
#endif /* INVERTER_H_ */ #endif /* INVERTER_H_ */

1
src/main.c
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@ -31,6 +31,7 @@ int main() {
inverterSetFrequency(50); inverterSetFrequency(50);
while (1) { while (1) {
inverterExec();
} }
} }