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//*****************************************************************************
//
// am_hal_ctimer.h
//! @file
//!
//! @brief Functions for accessing and configuring the CTIMER.
//!
//! @addtogroup ctimer2 Counter/Timer (CTIMER)
//! @ingroup apollo2hal
//! @{
//
//*****************************************************************************
//*****************************************************************************
//
// Copyright (c) 2017, Ambiq Micro
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from this
// software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.2.11 of the AmbiqSuite Development Package.
//
//*****************************************************************************
#ifndef AM_HAL_CTIMER_H
#define AM_HAL_CTIMER_H
//*****************************************************************************
//
//! Number of timers
//
//*****************************************************************************
#define AM_HAL_CTIMER_TIMERS_NUM 4
//*****************************************************************************
//
//! Timer offset value
//
//*****************************************************************************
#define AM_HAL_CTIMER_TIMER_OFFSET (AM_REG_CTIMER_TMR1_O - AM_REG_CTIMER_TMR0_O)
//*****************************************************************************
//
//! @name Interrupt Status Bits
//! @brief Interrupt Status Bits for enable/disble use
//!
//! These macros may be used to set and clear interrupt bits
//! @{
//
//*****************************************************************************
#define AM_HAL_CTIMER_INT_TIMERA0C0 AM_REG_CTIMER_INTEN_CTMRA0C0INT_M
#define AM_HAL_CTIMER_INT_TIMERA0C1 AM_REG_CTIMER_INTEN_CTMRA0C1INT_M
#define AM_HAL_CTIMER_INT_TIMERA1C0 AM_REG_CTIMER_INTEN_CTMRA1C0INT_M
#define AM_HAL_CTIMER_INT_TIMERA1C1 AM_REG_CTIMER_INTEN_CTMRA1C1INT_M
#define AM_HAL_CTIMER_INT_TIMERA2C0 AM_REG_CTIMER_INTEN_CTMRA2C0INT_M
#define AM_HAL_CTIMER_INT_TIMERA2C1 AM_REG_CTIMER_INTEN_CTMRA2C1INT_M
#define AM_HAL_CTIMER_INT_TIMERA3C0 AM_REG_CTIMER_INTEN_CTMRA3C0INT_M
#define AM_HAL_CTIMER_INT_TIMERA3C1 AM_REG_CTIMER_INTEN_CTMRA3C1INT_M
#define AM_HAL_CTIMER_INT_TIMERB0C0 AM_REG_CTIMER_INTEN_CTMRB0C0INT_M
#define AM_HAL_CTIMER_INT_TIMERB0C1 AM_REG_CTIMER_INTEN_CTMRB0C1INT_M
#define AM_HAL_CTIMER_INT_TIMERB1C0 AM_REG_CTIMER_INTEN_CTMRB1C0INT_M
#define AM_HAL_CTIMER_INT_TIMERB1C1 AM_REG_CTIMER_INTEN_CTMRB1C1INT_M
#define AM_HAL_CTIMER_INT_TIMERB2C0 AM_REG_CTIMER_INTEN_CTMRB2C0INT_M
#define AM_HAL_CTIMER_INT_TIMERB2C1 AM_REG_CTIMER_INTEN_CTMRB2C1INT_M
#define AM_HAL_CTIMER_INT_TIMERB3C0 AM_REG_CTIMER_INTEN_CTMRB3C0INT_M
#define AM_HAL_CTIMER_INT_TIMERB3C1 AM_REG_CTIMER_INTEN_CTMRB3C1INT_M
//
// Deprecated, use the newer macros above.
//
#define AM_HAL_CTIMER_INT_TIMERA0 AM_HAL_CTIMER_INT_TIMERA0C0
#define AM_HAL_CTIMER_INT_TIMERB0 AM_HAL_CTIMER_INT_TIMERB0C0
#define AM_HAL_CTIMER_INT_TIMERA1 AM_HAL_CTIMER_INT_TIMERA1C0
#define AM_HAL_CTIMER_INT_TIMERB1 AM_HAL_CTIMER_INT_TIMERB1C0
#define AM_HAL_CTIMER_INT_TIMERA2 AM_HAL_CTIMER_INT_TIMERA2C0
#define AM_HAL_CTIMER_INT_TIMERB2 AM_HAL_CTIMER_INT_TIMERB2C0
#define AM_HAL_CTIMER_INT_TIMERA3 AM_HAL_CTIMER_INT_TIMERA3C0
#define AM_HAL_CTIMER_INT_TIMERB3 AM_HAL_CTIMER_INT_TIMERB3C0
//! @}
//*****************************************************************************
//
//! @name Configuration options
//! @brief Configuration options for \e am_hal_ctimer_config_t
//!
//! These options are to be used with the \e am_hal_ctimer_config_t structure
//! used by \e am_hal_ctimer_config
//! @{
//
//*****************************************************************************
#define AM_HAL_CTIMER_CLK_PIN AM_REG_CTIMER_CTRL0_TMRA0CLK(0x0)
#define AM_HAL_CTIMER_HFRC_12MHZ AM_REG_CTIMER_CTRL0_TMRA0CLK(0x1)
#define AM_HAL_CTIMER_HFRC_3MHZ AM_REG_CTIMER_CTRL0_TMRA0CLK(0x2)
#define AM_HAL_CTIMER_HFRC_187_5KHZ AM_REG_CTIMER_CTRL0_TMRA0CLK(0x3)
#define AM_HAL_CTIMER_HFRC_47KHZ AM_REG_CTIMER_CTRL0_TMRA0CLK(0x4)
#define AM_HAL_CTIMER_HFRC_12KHZ AM_REG_CTIMER_CTRL0_TMRA0CLK(0x5)
#define AM_HAL_CTIMER_XT_32_768KHZ AM_REG_CTIMER_CTRL0_TMRA0CLK(0x6)
#define AM_HAL_CTIMER_XT_16_384KHZ AM_REG_CTIMER_CTRL0_TMRA0CLK(0x7)
#define AM_HAL_CTIMER_XT_2_048KHZ AM_REG_CTIMER_CTRL0_TMRA0CLK(0x8)
#define AM_HAL_CTIMER_XT_256HZ AM_REG_CTIMER_CTRL0_TMRA0CLK(0x9)
#define AM_HAL_CTIMER_LFRC_512HZ AM_REG_CTIMER_CTRL0_TMRA0CLK(0xA)
#define AM_HAL_CTIMER_LFRC_32HZ AM_REG_CTIMER_CTRL0_TMRA0CLK(0xB)
#define AM_HAL_CTIMER_LFRC_1HZ AM_REG_CTIMER_CTRL0_TMRA0CLK(0xC)
#define AM_HAL_CTIMER_LFRC_1_16HZ AM_REG_CTIMER_CTRL0_TMRA0CLK(0xD)
#define AM_HAL_CTIMER_RTC_100HZ AM_REG_CTIMER_CTRL0_TMRA0CLK(0xE)
#define AM_HAL_CTIMER_HCLK AM_REG_CTIMER_CTRL0_TMRA0CLK(0xF)
#define AM_HAL_CTIMER_BUCK AM_REG_CTIMER_CTRL0_TMRA0CLK(0x10)
//! @}
//*****************************************************************************
//
// Timer function macros.
//
//*****************************************************************************
#define AM_HAL_CTIMER_FN_ONCE AM_REG_CTIMER_CTRL0_TMRA0FN(0)
#define AM_HAL_CTIMER_FN_REPEAT AM_REG_CTIMER_CTRL0_TMRA0FN(1)
#define AM_HAL_CTIMER_FN_PWM_ONCE AM_REG_CTIMER_CTRL0_TMRA0FN(2)
#define AM_HAL_CTIMER_FN_PWM_REPEAT AM_REG_CTIMER_CTRL0_TMRA0FN(3)
#define AM_HAL_CTIMER_FN_CONTINUOUS AM_REG_CTIMER_CTRL0_TMRA0FN(4)
//*****************************************************************************
//
// Half-timer options.
//
//*****************************************************************************
#define AM_HAL_CTIMER_INT_ENABLE AM_REG_CTIMER_CTRL0_TMRA0IE0_M
#define AM_HAL_CTIMER_PIN_ENABLE AM_REG_CTIMER_CTRL0_TMRA0PE_M
#define AM_HAL_CTIMER_PIN_INVERT AM_REG_CTIMER_CTRL0_TMRA0POL_M
#define AM_HAL_CTIMER_CLEAR AM_REG_CTIMER_CTRL0_TMRA0CLR_M
//*****************************************************************************
//
// Additional timer options.
//
//*****************************************************************************
#define AM_HAL_CTIMER_LINK AM_REG_CTIMER_CTRL0_CTLINK0_M
#define AM_HAL_CTIMER_ADC_TRIG AM_REG_CTIMER_CTRL3_ADCEN_M
//*****************************************************************************
//
// Timer selection macros.
//
//*****************************************************************************
#define AM_HAL_CTIMER_TIMERA 0x0000FFFF
#define AM_HAL_CTIMER_TIMERB 0xFFFF0000
#define AM_HAL_CTIMER_BOTH 0xFFFFFFFF
//! @}
//*****************************************************************************
//
// Timer configuration structure
//
//*****************************************************************************
typedef struct
{
//
//! Set to 1 to operate this timer as a 32-bit timer instead of two 16-bit
//! timers.
//
uint32_t ui32Link;
//
//! Configuration options for TIMERA
//
uint32_t ui32TimerAConfig;
//
//! Configuration options for TIMERB
//
uint32_t ui32TimerBConfig;
}
am_hal_ctimer_config_t;
//*****************************************************************************
//
// Function pointer type for CTimer interrupt handlers.
//
//*****************************************************************************
typedef void (*am_hal_ctimer_handler_t)(void);
#ifdef __cplusplus
extern "C"
{
#endif
//*****************************************************************************
//
// External function definitions
//
//*****************************************************************************
extern void am_hal_ctimer_config(uint32_t ui32TimerNumber,
am_hal_ctimer_config_t *psConfig);
extern void am_hal_ctimer_config_single(uint32_t ui32TimerNumber,
uint32_t ui32TimerSegment,
uint32_t ui32ConfigVal);
extern void am_hal_ctimer_start(uint32_t ui32TimerNumber,
uint32_t ui32TimerSegment);
extern void am_hal_ctimer_stop(uint32_t ui32TimerNumber,
uint32_t ui32TimerSegment);
extern void am_hal_ctimer_clear(uint32_t ui32TimerNumber,
uint32_t ui32TimerSegment);
extern uint32_t am_hal_ctimer_read(uint32_t ui32TimerNumber,
uint32_t ui32TimerSegment);
extern void am_hal_ctimer_pin_enable(uint32_t ui32TimerNumber,
uint32_t ui32TimerSegment);
extern void am_hal_ctimer_pin_disable(uint32_t ui32TimerNumber,
uint32_t ui32TimerSegment);
extern void am_hal_ctimer_pin_invert(uint32_t ui32TimerNumber,
uint32_t ui32TimerSegment,
bool bInvertOutput);
extern void am_hal_ctimer_compare_set(uint32_t ui32TimerNumber,
uint32_t ui32TimerSegment,
uint32_t ui32CompareReg,
uint32_t ui32Value);
extern void am_hal_ctimer_period_set(uint32_t ui32TimerNumber,
uint32_t ui32TimerSegment,
uint32_t ui32Period,
uint32_t ui32OnTime);
extern void am_hal_ctimer_adc_trigger_enable(void);
extern void am_hal_ctimer_adc_trigger_disable(void);
extern void am_hal_ctimer_int_enable(uint32_t ui32Interrupt);
extern uint32_t am_hal_ctimer_int_enable_get(void);
extern void am_hal_ctimer_int_disable(uint32_t ui32Interrupt);
extern void am_hal_ctimer_int_set(uint32_t ui32Interrupt);
extern void am_hal_ctimer_int_clear(uint32_t ui32Interrupt);
extern uint32_t am_hal_ctimer_int_status_get(bool bEnabledOnly);
extern void am_hal_ctimer_int_register(uint32_t ui32Interrupt,
am_hal_ctimer_handler_t pfnHandler);
extern void am_hal_ctimer_int_service(uint32_t ui32Status);
#ifdef __cplusplus
}
#endif
#endif // AM_HAL_CTIMER_H
//*****************************************************************************
//
// End Doxygen group.
//! @}
//
//*****************************************************************************
|
