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-rw-r--r--include/arch/msp430fr5969lp/driver/timer.h11
-rw-r--r--include/arch/msp430fr5994lp/driver/timer.h20
2 files changed, 19 insertions, 12 deletions
diff --git a/include/arch/msp430fr5969lp/driver/timer.h b/include/arch/msp430fr5969lp/driver/timer.h
index c07ae4e..160074a 100644
--- a/include/arch/msp430fr5969lp/driver/timer.h
+++ b/include/arch/msp430fr5969lp/driver/timer.h
@@ -58,8 +58,15 @@ class Timer {
inline void setup_hz(uint16_t const frequency) { // 2 MHz base
TA0CTL = TASSEL__SMCLK | _TA0_MAIN_DIV;
- TA0EX0 = 0;
- TA0CCR0 = 2000000UL / frequency;
+ if (frequency < 32) {
+ // 2 MHz base
+ TA0EX0 = 7;
+ TA0CCR0 = 250000UL / frequency;
+ } else {
+ // 250 kHz base
+ TA0EX0 = 0;
+ TA0CCR0 = 2000000UL / frequency;
+ }
TA0CTL |= TACLR;
}
#endif
diff --git a/include/arch/msp430fr5994lp/driver/timer.h b/include/arch/msp430fr5994lp/driver/timer.h
index 9a2c7fe..97bd302 100644
--- a/include/arch/msp430fr5994lp/driver/timer.h
+++ b/include/arch/msp430fr5994lp/driver/timer.h
@@ -56,17 +56,17 @@ class Timer {
TA0CTL |= TACLR;
}
- inline void setup_hz(uint16_t const frequency) { // 2 MHz base
+ inline void setup_hz(uint16_t const frequency) {
TA0CTL = TASSEL__SMCLK | _TA0_MAIN_DIV;
- TA0EX0 = 0;
- TA0CCR0 = 2000000UL / frequency;
- TA0CTL |= TACLR;
- }
-
- inline void setup_hz_low(uint16_t const frequency) { // 250 kHz base
- TA0CTL = TASSEL__SMCLK | _TA0_MAIN_DIV;
- TA0EX0 = 7;
- TA0CCR0 = 250000UL / frequency;
+ if (frequency < 32) {
+ // 2 MHz base
+ TA0EX0 = 7;
+ TA0CCR0 = 250000UL / frequency;
+ } else {
+ // 250 kHz base
+ TA0EX0 = 0;
+ TA0CCR0 = 2000000UL / frequency;
+ }
TA0CTL |= TACLR;
}
#endif