Commit 0d502cd0 authored by Birte Kristina Friesel's avatar Birte Kristina Friesel
Browse files

msp430fr timer: automatically set TA0CCR for low Hz values

parent fb6e2fed

include/arch/msp430fr5969lp/driver/timer.h

+9 −2
Original line number Diff line number Diff line
@@ -58,8 +58,15 @@ class Timer { 


		inline void setup_hz(uint16_t const frequency) { // 2 MHz base

			TA0CTL = TASSEL__SMCLK | _TA0_MAIN_DIV;

			if (frequency < 32) {

				// 2 MHz base

				TA0EX0 = 7;

				TA0CCR0 = 250000UL / frequency;

			} else {

				// 250 kHz base

				TA0EX0 = 0;

				TA0CCR0 = 2000000UL / frequency;

			}

			TA0CTL |= TACLR;

		}

#endif

include/arch/msp430fr5994lp/driver/timer.h

+10 −10
Original line number Diff line number Diff line
@@ -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;

			if (frequency < 32) {

				// 2 MHz base

				TA0EX0 = 7;

				TA0CCR0 = 250000UL / frequency;

			} else {

				// 250 kHz base

				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;

			TA0CTL |= TACLR;

		}

#endif