| //***************************************************************************** |
| // |
| // am_hal_itm.h |
| //! @file |
| //! |
| //! @brief Functions for accessing and configuring the ARM ITM. |
| //! |
| //! @addtogroup itm2 Instrumentation Trace Macrocell (ITM) |
| //! @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_ITM_H |
| #define AM_HAL_ITM_H |
| |
| //***************************************************************************** |
| // |
| // Sync Packet Defines |
| // |
| //***************************************************************************** |
| #define AM_HAL_ITM_SYNC_REG 23 |
| #define AM_HAL_ITM_SYNC_VAL 0xF8F8F8F8 |
| |
| //***************************************************************************** |
| // |
| // PrintF Setup |
| // |
| //***************************************************************************** |
| #define AM_HAL_ITM_PRINT_NUM_BYTES 1 |
| #define AM_HAL_ITM_PRINT_NUM_REGS 1 |
| extern uint32_t am_hal_itm_print_registers[AM_HAL_ITM_PRINT_NUM_REGS]; |
| |
| #ifdef __cplusplus |
| extern "C" |
| { |
| #endif |
| |
| //***************************************************************************** |
| // |
| // External function definitions |
| // |
| //***************************************************************************** |
| extern void am_hal_itm_delay_us(uint32_t ui32MicroSeconds); |
| extern void am_hal_itm_enable(void); |
| extern void am_hal_itm_disable(void); |
| extern void am_hal_itm_not_busy(void); |
| extern void am_hal_itm_sync_send(void); |
| extern void am_hal_itm_trace_port_enable(uint8_t ui8portNum); |
| extern void am_hal_itm_trace_port_disable(uint8_t ui8portNum); |
| extern bool am_hal_itm_stimulus_not_busy(uint32_t ui32StimReg); |
| extern void am_hal_itm_stimulus_reg_word_write(uint32_t ui32StimReg, |
| uint32_t ui32Value); |
| extern void am_hal_itm_stimulus_reg_short_write(uint32_t ui32StimReg, |
| uint16_t ui16Value); |
| extern void am_hal_itm_stimulus_reg_byte_write(uint32_t ui32StimReg, |
| uint8_t ui8Value); |
| extern bool am_hal_itm_print_not_busy(void); |
| extern void am_hal_itm_print(char *pcString); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif // AM_HAL_ITM_H |
| |
| //***************************************************************************** |
| // |
| // End Doxygen group. |
| //! @} |
| // |
| //***************************************************************************** |
