Texas Instruments Tiva TM4C123GH6PM, User Manual

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Timer
that can operate independently or be concatenated to form a 32-bit timer. Similarly, the 32/64-
bit variety is comprised of two 32-bit timers that can operate independently or be concatenated
to form a 64-bit timer.
The configuration is specified in ui32Config as one of the following values:
TIMER_CFG_ONE_SHOT - Full-width one-shot timer
TIMER_CFG_ONE_SHOT_UP - Full-width one-shot timer that counts up instead of down
(not available on all parts)
TIMER_CFG_PERIODIC - Full-width periodic timer
TIMER_CFG_PERIODIC_UP - Full-width periodic timer that counts up instead of down
(not available on all parts)
TIMER_CFG_RTC - Full-width real time clock timer
TIMER_CFG_SPLIT_PAIR - Two half-width timers
When configured for a pair of half-width timers, each timer is separately configured. The first
timer is configured by setting
ui32Config to the result of a logical OR operation between one of
the following values and ui32Config:
TIMER_CFG_A_ONE_SHOT - Half-width one-shot timer
TIMER_CFG_A_ONE_SHOT_UP - Half-width one-shot timer that counts up instead of
down (not available on all parts)
TIMER_CFG_A_PERIODIC - Half-width periodic timer
TIMER_CFG_A_PERIODIC_UP - Half-width periodic timer that counts up instead of down
(not available on all parts)
TIMER_CFG_A_CAP_COUNT - Half-width edge count capture
TIMER_CFG_A_CAP_COUNT_UP - Half-width edge count capture that counts up instead
of down (not available on all parts)
TIMER_CFG_A_CAP_TIME - Half-width edge time capture
TIMER_CFG_A_CAP_TIME_UP - Half-width edge time capture that counts up instead of
down (not available on all parts)
TIMER_CFG_A_PWM - Half-width PWM output
Similarly, the second timer is configured by setting ui32Config to the result of a logical OR
operation between one of the corresponding TIMER_CFG_B_ ∗ values and ui32Config .
Returns:
None.
21.2.1.2 ROM_TimerControlEvent
Controls the event type.
Prototype:
void
ROM_TimerControlEvent(uint32_t ui32Base,
uint32_t ui32Timer,
uint32_t ui32Event)
ROM Location:
ROM_APITABLE
is an array of pointers located at
0x0100.0010
.
ROM_TIMERTABLE
is an array of pointers located at
ROM_APITABLE[11]
.
ROM_TimerControlEvent
is a function pointer located at
ROM_TIMERTABLE[6]
.
April 8, 2013 233