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h1r9: fix Opera Cake time mode compatibility

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TIMER3 match register 3 was interfering with SCT, fixed by turning off
all ORing of timer outputs with SCT outputs.
This commit is contained in:
Michael Ossmann
2022-10-03 22:00:16 -04:00
committed by Mike Walters
parent 7b5d8da821
commit dc67fbd2ee
1 changed files with 2 additions and 0 deletions
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2
firmware/common/clkin.c
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@ -23,6 +23,7 @@
#include <libopencm3/lpc43xx/timer.h> #include <libopencm3/lpc43xx/timer.h>
#include <libopencm3/lpc43xx/scu.h> #include <libopencm3/lpc43xx/scu.h>
#include <libopencm3/lpc43xx/gima.h> #include <libopencm3/lpc43xx/gima.h>
#include <libopencm3/lpc43xx/creg.h>
#include <stdint.h> #include <stdint.h>
#define CLOCK_CYCLES_1_MS (204000) #define CLOCK_CYCLES_1_MS (204000)
@ -56,6 +57,7 @@ void clkin_detect_init(void)
(TIMER_EMR_EMC_TOGGLE << TIMER_EMR_EMC3_SHIFT); (TIMER_EMR_EMC_TOGGLE << TIMER_EMR_EMC3_SHIFT);
TIMER3_MR3 = MEASUREMENT_CYCLES; TIMER3_MR3 = MEASUREMENT_CYCLES;
TIMER3_MR0 = MEASUREMENT_CYCLES; TIMER3_MR0 = MEASUREMENT_CYCLES;
CREG_CREG6 |= CREG_CREG6_CTOUTCTRL;
/* Timer0 counts CLKIN */ /* Timer0 counts CLKIN */
timer_set_prescaler(TIMER0, 0); timer_set_prescaler(TIMER0, 0);