243 lines
11 KiB
C
243 lines
11 KiB
C
//*****************************************************************************
|
|
//
|
|
// am_hal_stimer.h
|
|
//! @file
|
|
//!
|
|
//! @brief Functions for accessing and configuring the STIMER.
|
|
//!
|
|
//! @addtogroup stimer2 Counter/Timer (STIMER)
|
|
//! @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 1.2.9 of the AmbiqSuite Development Package.
|
|
//
|
|
//*****************************************************************************
|
|
#ifndef AM_HAL_STIMER_H
|
|
#define AM_HAL_STIMER_H
|
|
|
|
#ifdef __cplusplus
|
|
extern "C"
|
|
{
|
|
#endif
|
|
|
|
//
|
|
// Compute address of a given COMPARE or CAPTURE register.
|
|
// Note - For Apollo2, the parameter n should be 0 (as only 1 stimer module
|
|
// exists) and the parameter r should be 0-7 (compare) or 0-3 (capture).
|
|
//
|
|
#define AM_REG_STIMER_COMPARE(n, r) (AM_REG_CTIMERn(n) + \
|
|
AM_REG_CTIMER_SCMPR0_O + (r * 4))
|
|
|
|
#define AM_REG_STIMER_CAPTURE(n, r) (AM_REG_CTIMERn(n) + \
|
|
AM_REG_CTIMER_SCAPT0_O + (r * 4))
|
|
|
|
//*****************************************************************************
|
|
//
|
|
//! @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_STIMER_INT_COMPAREA AM_REG_CTIMER_STMINTSTAT_COMPAREA_M
|
|
#define AM_HAL_STIMER_INT_COMPAREB AM_REG_CTIMER_STMINTSTAT_COMPAREB_M
|
|
#define AM_HAL_STIMER_INT_COMPAREC AM_REG_CTIMER_STMINTSTAT_COMPAREC_M
|
|
#define AM_HAL_STIMER_INT_COMPARED AM_REG_CTIMER_STMINTSTAT_COMPARED_M
|
|
#define AM_HAL_STIMER_INT_COMPAREE AM_REG_CTIMER_STMINTSTAT_COMPAREE_M
|
|
#define AM_HAL_STIMER_INT_COMPAREF AM_REG_CTIMER_STMINTSTAT_COMPAREF_M
|
|
#define AM_HAL_STIMER_INT_COMPAREG AM_REG_CTIMER_STMINTSTAT_COMPAREG_M
|
|
#define AM_HAL_STIMER_INT_COMPAREH AM_REG_CTIMER_STMINTSTAT_COMPAREH_M
|
|
|
|
#define AM_HAL_STIMER_INT_OVERFLOW AM_REG_CTIMER_STMINTSTAT_OVERFLOW_M
|
|
|
|
#define AM_HAL_STIMER_INT_CAPTUREA AM_REG_CTIMER_STMINTSTAT_CAPTUREA_M
|
|
#define AM_HAL_STIMER_INT_CAPTUREB AM_REG_CTIMER_STMINTSTAT_CAPTUREB_M
|
|
#define AM_HAL_STIMER_INT_CAPTUREC AM_REG_CTIMER_STMINTSTAT_CAPTUREC_M
|
|
#define AM_HAL_STIMER_INT_CAPTURED AM_REG_CTIMER_STMINTSTAT_CAPTURED_M
|
|
|
|
//! @}
|
|
|
|
|
|
|
|
//*****************************************************************************
|
|
//
|
|
//! @name STimer Configuration Bits
|
|
//! @brief Interrupt Status Bits for enable/disble use
|
|
//!
|
|
//! These macros may be used to set and clear interrupt bits
|
|
//! @{
|
|
//
|
|
//*****************************************************************************
|
|
#define AM_HAL_STIMER_CFG_THAW \
|
|
AM_REG_CTIMER_STCFG_FREEZE_THAW
|
|
#define AM_HAL_STIMER_CFG_FREEZE \
|
|
AM_REG_CTIMER_STCFG_FREEZE_FREEZE
|
|
#define AM_HAL_STIMER_CFG_RUN \
|
|
AM_REG_CTIMER_STCFG_CLEAR_RUN
|
|
#define AM_HAL_STIMER_CFG_CLEAR \
|
|
AM_REG_CTIMER_STCFG_CLEAR_CLEAR
|
|
#define AM_HAL_STIMER_CFG_COMPARE_A_ENABLE \
|
|
AM_REG_CTIMER_STCFG_COMPARE_A_EN_ENABLE
|
|
#define AM_HAL_STIMER_CFG_COMPARE_B_ENABLE \
|
|
AM_REG_CTIMER_STCFG_COMPARE_B_EN_ENABLE
|
|
#define AM_HAL_STIMER_CFG_COMPARE_C_ENABLE \
|
|
AM_REG_CTIMER_STCFG_COMPARE_C_EN_ENABLE
|
|
#define AM_HAL_STIMER_CFG_COMPARE_D_ENABLE \
|
|
AM_REG_CTIMER_STCFG_COMPARE_D_EN_ENABLE
|
|
#define AM_HAL_STIMER_CFG_COMPARE_E_ENABLE \
|
|
AM_REG_CTIMER_STCFG_COMPARE_E_EN_ENABLE
|
|
#define AM_HAL_STIMER_CFG_COMPARE_F_ENABLE \
|
|
AM_REG_CTIMER_STCFG_COMPARE_F_EN_ENABLE
|
|
#define AM_HAL_STIMER_CFG_COMPARE_G_ENABLE \
|
|
AM_REG_CTIMER_STCFG_COMPARE_G_EN_ENABLE
|
|
#define AM_HAL_STIMER_CFG_COMPARE_H_ENABLE \
|
|
AM_REG_CTIMER_STCFG_COMPARE_H_EN_ENABLE
|
|
|
|
//! @}
|
|
|
|
//*****************************************************************************
|
|
//
|
|
//! @name Clock Configuration options
|
|
//! @brief STimer Configuration register options.
|
|
//!
|
|
//! These options are to be used with the am_hal_stimer_config() function.
|
|
//! @{
|
|
//
|
|
//*****************************************************************************
|
|
#define AM_HAL_STIMER_NO_CLK \
|
|
AM_REG_CTIMER_STCFG_CLKSEL(AM_REG_CTIMER_STCFG_CLKSEL_NOCLK)
|
|
#define AM_HAL_STIMER_HFRC_3MHZ \
|
|
AM_REG_CTIMER_STCFG_CLKSEL(AM_REG_CTIMER_STCFG_CLKSEL_HFRC_DIV16)
|
|
#define AM_HAL_STIMER_HFRC_187_5KHZ \
|
|
AM_REG_CTIMER_STCFG_CLKSEL(AM_REG_CTIMER_STCFG_CLKSEL_HFRC_DIV256)
|
|
#define AM_HAL_STIMER_XTAL_32KHZ \
|
|
AM_REG_CTIMER_STCFG_CLKSEL(AM_REG_CTIMER_STCFG_CLKSEL_XTAL_DIV1)
|
|
#define AM_HAL_STIMER_XTAL_16KHZ \
|
|
AM_REG_CTIMER_STCFG_CLKSEL(AM_REG_CTIMER_STCFG_CLKSEL_XTAL_DIV2)
|
|
#define AM_HAL_STIMER_XTAL_1KHZ \
|
|
AM_REG_CTIMER_STCFG_CLKSEL(AM_REG_CTIMER_STCFG_CLKSEL_XTAL_DIV32)
|
|
#define AM_HAL_STIMER_LFRC_1KHZ \
|
|
AM_REG_CTIMER_STCFG_CLKSEL(AM_REG_CTIMER_STCFG_CLKSEL_LFRC_DIV1)
|
|
#define AM_HAL_STIMER_HFRC_CTIMER0A \
|
|
AM_REG_CTIMER_STCFG_CLKSEL(AM_REG_CTIMER_STCFG_CLKSEL_CTIMER0A)
|
|
#define AM_HAL_STIMER_HFRC_CTIMER0B \
|
|
AM_REG_CTIMER_STCFG_CLKSEL(AM_REG_CTIMER_STCFG_CLKSEL_CTIMER0B)
|
|
//! @}
|
|
|
|
|
|
|
|
//*****************************************************************************
|
|
//
|
|
//! @name Capture Control Register options.
|
|
//! @brief Configuration options for capture control register.
|
|
//!
|
|
//! These options are to be used with the am_hal_stimer_capture_control_set
|
|
//! function.
|
|
//! @{
|
|
//
|
|
//*****************************************************************************
|
|
#define AM_HAL_STIMER_CAPTURE_A_ENABLE \
|
|
AM_REG_CTIMER_CAPTURE_CONTROL_CAPTURE_A_ENABLE
|
|
#define AM_HAL_STIMER_CAPTURE_B_ENABLE \
|
|
AM_REG_CTIMER_CAPTURE_CONTROL_CAPTURE_B_ENABLE
|
|
#define AM_HAL_STIMER_CAPTURE_C_ENABLE \
|
|
AM_REG_CTIMER_CAPTURE_CONTROL_CAPTURE_C_ENABLE
|
|
#define AM_HAL_STIMER_CAPTURE_D_ENABLE \
|
|
AM_REG_CTIMER_CAPTURE_CONTROL_CAPTURE_D_ENABLE
|
|
|
|
//! @}
|
|
|
|
|
|
//*****************************************************************************
|
|
//
|
|
//
|
|
//
|
|
//*****************************************************************************
|
|
|
|
//*****************************************************************************
|
|
//
|
|
// Stimer configuration structure
|
|
//
|
|
//*****************************************************************************
|
|
typedef struct
|
|
{
|
|
//
|
|
//! Configuration options for the STIMER
|
|
//
|
|
uint32_t ui32STimerConfig;
|
|
}
|
|
am_hal_stimer_config_t;
|
|
|
|
|
|
|
|
//*****************************************************************************
|
|
//
|
|
// External function definitions
|
|
//
|
|
//*****************************************************************************
|
|
extern uint32_t am_hal_stimer_config(uint32_t ui32STimerConfig);
|
|
extern uint32_t am_hal_stimer_counter_get(void);
|
|
extern void am_hal_stimer_counter_clear(void);
|
|
extern void am_hal_stimer_compare_delta_set(uint32_t ui32CmprInstance,
|
|
uint32_t ui32Delta);
|
|
extern uint32_t am_hal_stimer_compare_get(uint32_t ui32CmprInstance);
|
|
extern void am_hal_stimer_capture_start(uint32_t ui32CaptureNum,
|
|
uint32_t ui32GPIONumber,
|
|
bool bPolarity);
|
|
extern void am_hal_stimer_capture_stop(uint32_t ui32CaptureNum);
|
|
extern uint32_t am_hal_stimer_capture_get(uint32_t ui32CaptureNum);
|
|
extern void am_hal_stimer_int_enable(uint32_t ui32Interrupt);
|
|
extern uint32_t am_hal_stimer_int_enable_get(void);
|
|
extern void am_hal_stimer_int_disable(uint32_t ui32Interrupt);
|
|
extern void am_hal_stimer_int_set(uint32_t ui32Interrupt);
|
|
extern void am_hal_stimer_int_clear(uint32_t ui32Interrupt);
|
|
extern uint32_t am_hal_stimer_int_status_get(bool bEnabledOnly);
|
|
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif // AM_HAL_STIMER_H
|
|
|
|
//*****************************************************************************
|
|
//
|
|
// End Doxygen group.
|
|
//! @}
|
|
//
|
|
//*****************************************************************************
|