diff options
| author | Daniel Friesel <daniel.friesel@uos.de> | 2019-07-26 10:50:59 +0200 |
|---|---|---|
| committer | Daniel Friesel <daniel.friesel@uos.de> | 2019-07-26 10:50:59 +0200 |
| commit | e41dd62ff0415b254d8846280fe6070f834d0907 (patch) | |
| tree | 1a5b963306b4f418b1d150fd406d1ab373d3358e /include/arch/msp430fr5994lp/driver | |
| parent | d6cb4dbc366194c1dd9d4752fb7b0a74da6e26f0 (diff) | |
MSP430FR5994 counter: Track overflows.
Diffstat (limited to 'include/arch/msp430fr5994lp/driver')
| -rw-r--r-- | include/arch/msp430fr5994lp/driver/counter.h | 8 |
1 files changed, 6 insertions, 2 deletions
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(); } }; |