Nathan Hartman b417ed4b40 Tiva GPTM timers: Implement 16-bit PWM mode ... arch/arm/src/tiva/Kconfig: Remove EXPERIMENTAL dependency on TIVA_TIMER16_PWM. arch/arm/src/tiva/common/tiva_timerlib.c: Fix wrong 32/16-bit ifdef checks. Add tiva_pwm16_sel_event() to choose GPTMCTL.TnEVENT value. Implement tiva_pwm_mode16(). tiva_timer16_setinterval(): Fix wrong check for TIMER16_MODE_ONESHOT and TIMER16_MODE_PERIODIC. Was comparing to config->cmn.mode which can never have those values. This prevented interrupts being enabled. Compare to timer->mode instead. Add tiva_timer16pwm_setperiodduty() to set initial period, duty cycle, and enable interrupts if requested in GPTM peripheral. Interrupts are not enabled in NVIC until tiva_timer16_start() is called. Add tiva_timer16pwm_setduty() to update duty cycle at any time. arch/arm/src/tiva/hardware/lm/lm3s_timer.h, arch/arm/src/tiva/hardware/lm/lm4f_timer.h, arch/arm/src/tiva/hardware/tm4c/tm4c123_timer.h, arch/arm/src/tiva/hardware/tm4c/tm4c129_timer.h: Add missing defines; make surrounding defines consistent. arch/arm/src/tiva/tiva_timer.h: Add new TIMER_FLAG_* configuration flags to enable configuring the 16-bit PWM feature. Extend type of "flags" in tiva_timer32config_s and tiva_timer16config_s from 8- to 32-bits to allow more flags.		2019-08-09 11:03:44 -06:00
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include	This commit removes CONFIG_ARCH_INT_DISABLEALL. In the normal course of things, interrupts must occasionally be disabled using the up_irq_save() inline function to prevent contention in use of resources that may be shared between interrupt level and non-interrupt level logic. Now the question arises, if we are using BASEPRI to disable interrupts and have high priority interrupts enabled (CONFIG_ARCH_HIPRI_INTERRUPT=y), do we disable all interrupts except SVCall (we cannot disable SVCall interrupts). Or do we only disable the "normal" interrupts?	2019-08-09 10:52:35 -06:00
src	Tiva GPTM timers: Implement 16-bit PWM mode	2019-08-09 11:03:44 -06:00
Kconfig	Beginning to update comments to reflect new organization of the boards/ sub-directory.	2019-08-08 08:46:54 -06:00