diff options
| author | Daniel Friesel <derf@finalrewind.org> | 2019-03-08 11:53:33 +0100 |
|---|---|---|
| committer | Daniel Friesel <derf@finalrewind.org> | 2019-03-08 11:53:33 +0100 |
| commit | cd7ee540291f7412153ee9fa1e785cc859c589fe (patch) | |
| tree | c4c58dc1957dc464fb61cdb3742f7b32d5eb3c18 /src | |
| parent | d1668a6fc12062c2c180534e7825910e6fcb05b0 (diff) | |
msp430fr5969 counter: Track overflows
Diffstat (limited to 'src')
| -rw-r--r-- | src/arch/msp430fr5969lp/driver/counter.cc | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/arch/msp430fr5969lp/driver/counter.cc b/src/arch/msp430fr5969lp/driver/counter.cc index 62ac778..cd10b5c 100644 --- a/src/arch/msp430fr5969lp/driver/counter.cc +++ b/src/arch/msp430fr5969lp/driver/counter.cc @@ -1,7 +1,18 @@ +#include "arch.h" #include "driver/counter.h" +#include "driver/gpio.h" #if defined(TIMER_CYCLES) #warn "timer_cycles and counter are mutually exclusive. Expect odd behaviour." #endif Counter counter; + +__attribute__((interrupt(TIMER2_A1_VECTOR))) void handle_timer2_overflow() +{ + if (TA2IV == 0x0e) { + if (counter.overflow < 255) { + counter.overflow++; + } + } +} |