diff options
| -rw-r--r-- | include/arch/msp430fr5969lp/driver/counter.h | 26 | ||||
| -rw-r--r-- | src/arch/msp430fr5969lp/Makefile.inc | 4 | ||||
| -rw-r--r-- | src/arch/msp430fr5969lp/driver/counter.cc | 7 |
3 files changed, 37 insertions, 0 deletions
diff --git a/include/arch/msp430fr5969lp/driver/counter.h b/include/arch/msp430fr5969lp/driver/counter.h new file mode 100644 index 0000000..851c32d --- /dev/null +++ b/include/arch/msp430fr5969lp/driver/counter.h @@ -0,0 +1,26 @@ +#include <msp430.h> +#include <stdint.h> + +class Counter { + private: + Counter(const Counter ©); + + public: + uint8_t overflowed; + + Counter() : overflowed(0) {} + + inline void start() { + overflowed = 0; + TA2CTL = TASSEL__SMCLK | ID__1 | MC__CONTINUOUS; + TA2EX0 = 0; + TA2CTL |= TACLR; + } + + inline uint16_t stop() { + TA2CTL = 0; + return TA2R; + } +}; + +extern Counter counter; diff --git a/src/arch/msp430fr5969lp/Makefile.inc b/src/arch/msp430fr5969lp/Makefile.inc index 49e0725..6c4b62a 100644 --- a/src/arch/msp430fr5969lp/Makefile.inc +++ b/src/arch/msp430fr5969lp/Makefile.inc @@ -49,6 +49,10 @@ ifneq ($(findstring timer,${arch_drivers}), ) CXX_TARGETS += src/arch/msp430fr5969lp/driver/timer.cc endif +ifneq ($(findstring counter,${arch_drivers}), ) + CXX_TARGETS += src/arch/msp430fr5969lp/driver/counter.cc +endif + ifneq (${cpu_freq}, ) COMMON_FLAGS += -DF_CPU=${cpu_freq}UL else diff --git a/src/arch/msp430fr5969lp/driver/counter.cc b/src/arch/msp430fr5969lp/driver/counter.cc new file mode 100644 index 0000000..62ac778 --- /dev/null +++ b/src/arch/msp430fr5969lp/driver/counter.cc @@ -0,0 +1,7 @@ +#include "driver/counter.h" + +#if defined(TIMER_CYCLES) +#warn "timer_cycles and counter are mutually exclusive. Expect odd behaviour." +#endif + +Counter counter; |