diff options
| -rw-r--r-- | src/avr/ao_pwmin.c | 25 |
1 files changed, 1 insertions, 24 deletions
diff --git a/src/avr/ao_pwmin.c b/src/avr/ao_pwmin.c index edcb1636..4d96404d 100644 --- a/src/avr/ao_pwmin.c +++ b/src/avr/ao_pwmin.c @@ -25,8 +25,6 @@ * project payload developed at Challenger Middle School. */ -volatile __data uint16_t ao_tick3_count; - static void ao_pwmin_display(void) __reentrant { @@ -34,19 +32,10 @@ ao_pwmin_display(void) __reentrant uint8_t hi = TCNT1H; uint16_t value = (hi <<8) | lo; - uint8_t lo3 = TCNT3L; - uint8_t hi3 = TCNT3H; - uint16_t value3 = (hi3 <<8) | lo3; - /* now display the value we read */ - printf("timer 1: %5u %2x %2x\n", value, hi, lo); - printf("timer 3: %5u %2x %2x\n", value3, hi3, lo3); + printf("timer 1: %5u", value); } -ISR(TIMER3_COMPA_vect) -{ - ++ao_tick3_count; -} __code struct ao_cmds ao_pwmin_cmds[] = { { ao_pwmin_display, "p\0PWM input" }, @@ -57,18 +46,6 @@ void ao_pwmin_init(void) { /* do hardware setup here */ - TCCR3A = ((0 << WGM31) | /* normal mode, OCR3A */ - (0 << WGM30)); /* normal mode, OCR3A */ - TCCR3B = ((0 << ICNC3) | /* no input capture noise canceler */ - (0 << ICES3) | /* input capture on falling edge (don't care) */ - (0 << WGM33) | /* normal mode, OCR3A */ - (0 << WGM32) | /* normal mode, OCR3A */ - (4 << CS30)); /* clk/256 from prescaler */ - - OCR3A = 1250; /* 8MHz clock */ - - TIMSK3 = (1 << OCIE3A); /* Interrupt on compare match */ - /* set the spike filter bit in the TCCR3B register */ ao_cmd_register(&ao_pwmin_cmds[0]); |