| //***************************************************************************** |
| // |
| //! am_hal_sysctrl.h |
| //! @file |
| //! |
| //! @brief Functions for interfacing with the M4F system control registers |
| //! |
| //! @addtogroup sysctrl2 System Control (SYSCTRL) |
| //! @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 v1.2.10-2-gea660ad-hotfix2 of the AmbiqSuite Development Package. |
| // |
| //***************************************************************************** |
| #ifndef AM_HAL_SYSCTRL_H |
| #define AM_HAL_SYSCTRL_H |
| |
| |
| //***************************************************************************** |
| // |
| // Definitions for sleep mode parameter |
| // |
| //***************************************************************************** |
| #define AM_HAL_SYSCTRL_SLEEP_DEEP true |
| #define AM_HAL_SYSCTRL_SLEEP_NORMAL false |
| |
| //***************************************************************************** |
| // |
| // Parameters for am_hal_sysctrl_buck_ctimer_isr_init() |
| // |
| //***************************************************************************** |
| // |
| // Define the maximum valid timer number |
| // |
| #define BUCK_TIMER_MAX (AM_HAL_CTIMER_TIMERS_NUM - 1) |
| |
| // |
| // Define the valid timer numbers |
| // |
| #define AM_HAL_SYSCTRL_BUCK_CTIMER_TIMER0 0 |
| #define AM_HAL_SYSCTRL_BUCK_CTIMER_TIMER1 1 |
| #define AM_HAL_SYSCTRL_BUCK_CTIMER_TIMER2 2 |
| #define AM_HAL_SYSCTRL_BUCK_CTIMER_TIMER3 3 |
| |
| // |
| // The following is an invalid timer number. If used, it is the caller telling |
| // the HAL to use the "Hard Option", which applies a constant value to the zero |
| // cross. The applied value is more noise immune, if less energy efficent. |
| // |
| #define AM_HAL_SYSCTRL_BUCK_CTIMER_ZX_CONSTANT 0x01000000 // No timer, apply a constant value |
| |
| #ifdef __cplusplus |
| extern "C" |
| { |
| #endif |
| //***************************************************************************** |
| // |
| // External function definitions |
| // |
| //***************************************************************************** |
| extern void am_hal_sysctrl_sleep(bool bSleepDeep); |
| extern void am_hal_sysctrl_fpu_enable(void); |
| extern void am_hal_sysctrl_fpu_disable(void); |
| extern void am_hal_sysctrl_fpu_stacking_enable(bool bLazy); |
| extern void am_hal_sysctrl_fpu_stacking_disable(void); |
| extern void am_hal_sysctrl_aircr_reset(void); |
| |
| // |
| // Apollo2 zero-cross buck/ctimer related functions |
| // |
| extern uint32_t am_hal_sysctrl_buck_ctimer_isr_init(uint32_t ui32BuckTimerNumber); |
| extern bool am_hal_sysctrl_buck_update_complete(void); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif // AM_HAL_SYSCTRL_H |
| |
| //***************************************************************************** |
| // |
| // End Doxygen group. |
| //! @} |
| // |
| //***************************************************************************** |
| |