From e41dd62ff0415b254d8846280fe6070f834d0907 Mon Sep 17 00:00:00 2001 From: Daniel Friesel Date: Fri, 26 Jul 2019 10:50:59 +0200 Subject: MSP430FR5994 counter: Track overflows. --- include/arch/msp430fr5994lp/driver/counter.h | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) (limited to 'include/arch/msp430fr5994lp') diff --git a/include/arch/msp430fr5994lp/driver/counter.h b/include/arch/msp430fr5994lp/driver/counter.h index b95aba1..1d7800a 100644 --- a/include/arch/msp430fr5994lp/driver/counter.h +++ b/include/arch/msp430fr5994lp/driver/counter.h @@ -13,7 +13,7 @@ class Counter { public: uint16_t value; - uint8_t overflow; + volatile uint8_t overflow; Counter() : overflow(0) {} @@ -21,12 +21,16 @@ class Counter { overflow = 0; TA2CTL = TASSEL__SMCLK | ID__1 | MC__CONTINUOUS; TA2EX0 = 0; - TA2CTL |= TACLR; + TA2CTL |= TACLR | TAIE; + asm volatile("nop"); + __eint(); + asm volatile("nop"); } inline void stop() { TA2CTL = 0; value = TA2R; + __dint(); } }; -- cgit v1.2.3